Obsidian/.obsidian/plugins/obsidian-dice-roller/main.js

/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __markAsModule = (target) => __defProp(target, "__esModule", { value: true });
var __commonJS = (cb2, mod) => function __require() {
  return mod || (0, cb2[Object.keys(cb2)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};
var __export = (target, all) => {
  __markAsModule(target);
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __reExport = (target, module2, desc) => {
  if (module2 && typeof module2 === "object" || typeof module2 === "function") {
    for (let key of __getOwnPropNames(module2))
      if (!__hasOwnProp.call(target, key) && key !== "default")
        __defProp(target, key, { get: () => module2[key], enumerable: !(desc = __getOwnPropDesc(module2, key)) || desc.enumerable });
  }
  return target;
};
var __toModule = (module2) => {
  return __reExport(__markAsModule(__defProp(module2 != null ? __create(__getProtoOf(module2)) : {}, "default", module2 && module2.__esModule && "default" in module2 ? { get: () => module2.default, enumerable: true } : { value: module2, enumerable: true })), module2);
};

// node_modules/lex/lexer.js
var require_lexer = __commonJS({
  "node_modules/lex/lexer.js"(exports, module2) {
    if (typeof module2 === "object" && typeof module2.exports === "object")
      module2.exports = Lexer;
    Lexer.defunct = function(chr) {
      throw new Error("Unexpected character at index " + (this.index - 1) + ": " + chr);
    };
    function Lexer(defunct) {
      if (typeof defunct !== "function")
        defunct = Lexer.defunct;
      var tokens = [];
      var rules = [];
      var remove = 0;
      this.state = 0;
      this.index = 0;
      this.input = "";
      this.addRule = function(pattern, action, start) {
        var global2 = pattern.global;
        if (!global2) {
          var flags = "g";
          if (pattern.multiline)
            flags += "m";
          if (pattern.ignoreCase)
            flags += "i";
          pattern = new RegExp(pattern.source, flags);
        }
        if (Object.prototype.toString.call(start) !== "[object Array]")
          start = [0];
        rules.push({
          pattern,
          global: global2,
          action,
          start
        });
        return this;
      };
      this.setInput = function(input) {
        remove = 0;
        this.state = 0;
        this.index = 0;
        tokens.length = 0;
        this.input = input;
        return this;
      };
      this.lex = function() {
        if (tokens.length)
          return tokens.shift();
        this.reject = true;
        while (this.index <= this.input.length) {
          var matches = scan.call(this).splice(remove);
          var index = this.index;
          while (matches.length) {
            if (this.reject) {
              var match = matches.shift();
              var result = match.result;
              var length = match.length;
              this.index += length;
              this.reject = false;
              remove++;
              var token = match.action.apply(this, result);
              if (this.reject)
                this.index = result.index;
              else if (typeof token !== "undefined") {
                switch (Object.prototype.toString.call(token)) {
                  case "[object Array]":
                    tokens = token.slice(1);
                    token = token[0];
                  default:
                    if (length)
                      remove = 0;
                    return token;
                }
              }
            } else
              break;
          }
          var input = this.input;
          if (index < input.length) {
            if (this.reject) {
              remove = 0;
              var token = defunct.call(this, input.charAt(this.index++));
              if (typeof token !== "undefined") {
                if (Object.prototype.toString.call(token) === "[object Array]") {
                  tokens = token.slice(1);
                  return token[0];
                } else
                  return token;
              }
            } else {
              if (this.index !== index)
                remove = 0;
              this.reject = true;
            }
          } else if (matches.length)
            this.reject = true;
          else
            break;
        }
      };
      function scan() {
        var matches = [];
        var index = 0;
        var state = this.state;
        var lastIndex = this.index;
        var input = this.input;
        for (var i = 0, length = rules.length; i < length; i++) {
          var rule = rules[i];
          var start = rule.start;
          var states = start.length;
          if (!states || start.indexOf(state) >= 0 || state % 2 && states === 1 && !start[0]) {
            var pattern = rule.pattern;
            pattern.lastIndex = lastIndex;
            var result = pattern.exec(input);
            if (result && result.index === lastIndex) {
              var j = matches.push({
                result,
                action: rule.action,
                length: result[0].length
              });
              if (rule.global)
                index = j;
              while (--j > index) {
                var k = j - 1;
                if (matches[j].length > matches[k].length) {
                  var temple = matches[j];
                  matches[j] = matches[k];
                  matches[k] = temple;
                }
              }
            }
          }
        }
        return matches;
      }
    }
  }
});

// node_modules/he/he.js
var require_he = __commonJS({
  "node_modules/he/he.js"(exports, module2) {
    (function(root) {
      var freeExports = typeof exports == "object" && exports;
      var freeModule = typeof module2 == "object" && module2 && module2.exports == freeExports && module2;
      var freeGlobal = typeof global == "object" && global;
      if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
        root = freeGlobal;
      }
      var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
      var regexAsciiWhitelist = /[\x01-\x7F]/g;
      var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
      var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
      var encodeMap = { "\xAD": "shy", "\u200C": "zwnj", "\u200D": "zwj", "\u200E": "lrm", "\u2063": "ic", "\u2062": "it", "\u2061": "af", "\u200F": "rlm", "\u200B": "ZeroWidthSpace", "\u2060": "NoBreak", "\u0311": "DownBreve", "\u20DB": "tdot", "\u20DC": "DotDot", "	": "Tab", "\n": "NewLine", "\u2008": "puncsp", "\u205F": "MediumSpace", "\u2009": "thinsp", "\u200A": "hairsp", "\u2004": "emsp13", "\u2002": "ensp", "\u2005": "emsp14", "\u2003": "emsp", "\u2007": "numsp", "\xA0": "nbsp", "\u205F\u200A": "ThickSpace", "\u203E": "oline", "_": "lowbar", "\u2010": "dash", "\u2013": "ndash", "\u2014": "mdash", "\u2015": "horbar", ",": "comma", ";": "semi", "\u204F": "bsemi", ":": "colon", "\u2A74": "Colone", "!": "excl", "\xA1": "iexcl", "?": "quest", "\xBF": "iquest", ".": "period", "\u2025": "nldr", "\u2026": "mldr", "\xB7": "middot", "'": "apos", "\u2018": "lsquo", "\u2019": "rsquo", "\u201A": "sbquo", "\u2039": "lsaquo", "\u203A": "rsaquo", '"': "quot", "\u201C": "ldquo", "\u201D": "rdquo", "\u201E": "bdquo", "\xAB": "laquo", "\xBB": "raquo", "(": "lpar", ")": "rpar", "[": "lsqb", "]": "rsqb", "{": "lcub", "}": "rcub", "\u2308": "lceil", "\u2309": "rceil", "\u230A": "lfloor", "\u230B": "rfloor", "\u2985": "lopar", "\u2986": "ropar", "\u298B": "lbrke", "\u298C": "rbrke", "\u298D": "lbrkslu", "\u298E": "rbrksld", "\u298F": "lbrksld", "\u2990": "rbrkslu", "\u2991": "langd", "\u2992": "rangd", "\u2993": "lparlt", "\u2994": "rpargt", "\u2995": "gtlPar", "\u2996": "ltrPar", "\u27E6": "lobrk", "\u27E7": "robrk", "\u27E8": "lang", "\u27E9": "rang", "\u27EA": "Lang", "\u27EB": "Rang", "\u27EC": "loang", "\u27ED": "roang", "\u2772": "lbbrk", "\u2773": "rbbrk", "\u2016": "Vert", "\xA7": "sect", "\xB6": "para", "@": "commat", "*": "ast", "/": "sol", "undefined": null, "&": "amp", "#": "num", "%": "percnt", "\u2030": "permil", "\u2031": "pertenk", "\u2020": "dagger", "\u2021": "Dagger", "\u2022": "bull", "\u2043": "hybull", "\u2032": "prime", "\u2033": "Prime", "\u2034": "tprime", "\u2057": "qprime", "\u2035": "bprime", "\u2041": "caret", "`": "grave", "\xB4": "acute", "\u02DC": "tilde", "^": "Hat", "\xAF": "macr", "\u02D8": "breve", "\u02D9": "dot", "\xA8": "die", "\u02DA": "ring", "\u02DD": "dblac", "\xB8": "cedil", "\u02DB": "ogon", "\u02C6": "circ", "\u02C7": "caron", "\xB0": "deg", "\xA9": "copy", "\xAE": "reg", "\u2117": "copysr", "\u2118": "wp", "\u211E": "rx", "\u2127": "mho", "\u2129": "iiota", "\u2190": "larr", "\u219A": "nlarr", "\u2192": "rarr", "\u219B": "nrarr", "\u2191": "uarr", "\u2193": "darr", "\u2194": "harr", "\u21AE": "nharr", "\u2195": "varr", "\u2196": "nwarr", "\u2197": "nearr", "\u2198": "searr", "\u2199": "swarr", "\u219D": "rarrw", "\u219D\u0338": "nrarrw", "\u219E": "Larr", "\u219F": "Uarr", "\u21A0": "Rarr", "\u21A1": "Darr", "\u21A2": "larrtl", "\u21A3": "rarrtl", "\u21A4": "mapstoleft", "\u21A5": "mapstoup", "\u21A6": "map", "\u21A7": "mapstodown", "\u21A9": "larrhk", "\u21AA": "rarrhk", "\u21AB": "larrlp", "\u21AC": "rarrlp", "\u21AD": "harrw", "\u21B0": "lsh", "\u21B1": "rsh", "\u21B2": "ldsh", "\u21B3": "rdsh", "\u21B5": "crarr", "\u21B6": "cularr", "\u21B7": "curarr", "\u21BA": "olarr", "\u21BB": "orarr", "\u21BC": "lharu", "\u21BD": "lhard", "\u21BE": "uharr", "\u21BF": "uharl", "\u21C0": "rharu", "\u21C1": "rhard", "\u21C2": "dharr", "\u21C3": "dharl", "\u21C4": "rlarr", "\u21C5": "udarr", "\u21C6": "lrarr", "\u21C7": "llarr", "\u21C8": "uuarr", "\u21C9": "rrarr", "\u21CA": "ddarr", "\u21CB": "lrhar", "\u21CC": "rlhar", "\u21D0": "lArr", "\u21CD": "nlArr", "\u21D1": "uArr", "\u21D2": "rArr", "\u21CF": "nrArr", "\u21D3": "dArr", "\u21D4": "iff", "\u21CE": "nhArr", "\u21D5": "vArr", "\u21D6": "nwArr", "\u21D7": "neArr", "\u21D8": "seArr", "\u21D9": "swArr", "\u21DA": "lAarr", "\u21DB": "rAarr", "\u21DD": "zigrarr", "\u21E4": "larrb", "\u21E5": "rarrb", "\u21F5": "duarr", "\u21FD": "loarr", "\u21FE": "roarr", "\u21FF": "hoarr", "\u2200": "forall", "\u2201": "comp", "\u2202": "part", "\u2202\u0338": "npart", "\u2203": "exist", "\u2204": "nexist", "\u2205": "empty", "\u2207": "Del", "\u2208": "in", "\u2209": "notin", "\u220B": "ni", "\u220C": "notni", "\u03F6": "bepsi", "\u220F": "prod", "\u2210": "coprod", "\u2211": "sum", "+": "plus", "\xB1": "pm", "\xF7": "div", "\xD7": "times", "<": "lt", "\u226E": "nlt", "<\u20D2": "nvlt", "=": "equals", "\u2260": "ne", "=\u20E5": "bne", "\u2A75": "Equal", ">": "gt", "\u226F": "ngt", ">\u20D2": "nvgt", "\xAC": "not", "|": "vert", "\xA6": "brvbar", "\u2212": "minus", "\u2213": "mp", "\u2214": "plusdo", "\u2044": "frasl", "\u2216": "setmn", "\u2217": "lowast", "\u2218": "compfn", "\u221A": "Sqrt", "\u221D": "prop", "\u221E": "infin", "\u221F": "angrt", "\u2220": "ang", "\u2220\u20D2": "nang", "\u2221": "angmsd", "\u2222": "angsph", "\u2223": "mid", "\u2224": "nmid", "\u2225": "par", "\u2226": "npar", "\u2227": "and", "\u2228": "or", "\u2229": "cap", "\u2229\uFE00": "caps", "\u222A": "cup", "\u222A\uFE00": "cups", "\u222B": "int", "\u222C": "Int", "\u222D": "tint", "\u2A0C": "qint", "\u222E": "oint", "\u222F": "Conint", "\u2230": "Cconint", "\u2231": "cwint", "\u2232": "cwconint", "\u2233": "awconint", "\u2234": "there4", "\u2235": "becaus", "\u2236": "ratio", "\u2237": "Colon", "\u2238": "minusd", "\u223A": "mDDot", "\u223B": "homtht", "\u223C": "sim", "\u2241": "nsim", "\u223C\u20D2": "nvsim", "\u223D": "bsim", "\u223D\u0331": "race", "\u223E": "ac", "\u223E\u0333": "acE", "\u223F": "acd", "\u2240": "wr", "\u2242": "esim", "\u2242\u0338": "nesim", "\u2243": "sime", "\u2244": "nsime", "\u2245": "cong", "\u2247": "ncong", "\u2246": "simne", "\u2248": "ap", "\u2249": "nap", "\u224A": "ape", "\u224B": "apid", "\u224B\u0338": "napid", "\u224C": "bcong", "\u224D": "CupCap", "\u226D": "NotCupCap", "\u224D\u20D2": "nvap", "\u224E": "bump", "\u224E\u0338": "nbump", "\u224F": "bumpe", "\u224F\u0338": "nbumpe", "\u2250": "doteq", "\u2250\u0338": "nedot", "\u2251": "eDot", "\u2252": "efDot", "\u2253": "erDot", "\u2254": "colone", "\u2255": "ecolon", "\u2256": "ecir", "\u2257": "cire", "\u2259": "wedgeq", "\u225A": "veeeq", "\u225C": "trie", "\u225F": "equest", "\u2261": "equiv", "\u2262": "nequiv", "\u2261\u20E5": "bnequiv", "\u2264": "le", "\u2270": "nle", "\u2264\u20D2": "nvle", "\u2265": "ge", "\u2271": "nge", "\u2265\u20D2": "nvge", "\u2266": "lE", "\u2266\u0338": "nlE", "\u2267": "gE", "\u2267\u0338": "ngE", "\u2268\uFE00": "lvnE", "\u2268": "lnE", "\u2269": "gnE", "\u2269\uFE00": "gvnE", "\u226A": "ll", "\u226A\u0338": "nLtv", "\u226A\u20D2": "nLt", "\u226B": "gg", "\u226B\u0338": "nGtv", "\u226B\u20D2": "nGt", "\u226C": "twixt", "\u2272": "lsim", "\u2274": "nlsim", "\u2273": "gsim", "\u2275": "ngsim", "\u2276": "lg", "\u2278": "ntlg", "\u2277": "gl", "\u2279": "ntgl", "\u227A": "pr", "\u2280": "npr", "\u227B": "sc", "\u2281": "nsc", "\u227C": "prcue", "\u22E0": "nprcue", "\u227D": "sccue", "\u22E1": "nsccue", "\u227E": "prsim", "\u227F": "scsim", "\u227F\u0338": "NotSucceedsTilde", "\u2282": "sub", "\u2284": "nsub", "\u2282\u20D2": "vnsub", "\u2283": "sup", "\u2285": "nsup", "\u2283\u20D2": "vnsup", "\u2286": "sube", "\u2288": "nsube", "\u2287": "supe", "\u2289": "nsupe", "\u228A\uFE00": "vsubne", "\u228A": "subne", "\u228B\uFE00": "vsupne", "\u228B": "supne", "\u228D": "cupdot", "\u228E": "uplus", "\u228F": "sqsub", "\u228F\u0338": "NotSquareSubset", "\u2290": "sqsup", "\u2290\u0338": "NotSquareSuperset", "\u2291": "sqsube", "\u22E2": "nsqsube", "\u2292": "sqsupe", "\u22E3": "nsqsupe", "\u2293": "sqcap", "\u2293\uFE00": "sqcaps", "\u2294": "sqcup", "\u2294\uFE00": "sqcups", "\u2295": "oplus", "\u2296": "ominus", "\u2297": "otimes", "\u2298": "osol", "\u2299": "odot", "\u229A": "ocir", "\u229B": "oast", "\u229D": "odash", "\u229E": "plusb", "\u229F": "minusb", "\u22A0": "timesb", "\u22A1": "sdotb", "\u22A2": "vdash", "\u22AC": "nvdash", "\u22A3": "dashv", "\u22A4": "top", "\u22A5": "bot", "\u22A7": "models", "\u22A8": "vDash", "\u22AD": "nvDash", "\u22A9": "Vdash", "\u22AE": "nVdash", "\u22AA": "Vvdash", "\u22AB": "VDash", "\u22AF": "nVDash", "\u22B0": "prurel", "\u22B2": "vltri", "\u22EA": "nltri", "\u22B3": "vrtri", "\u22EB": "nrtri", "\u22B4": "ltrie", "\u22EC": "nltrie", "\u22B4\u20D2": "nvltrie", "\u22B5": "rtrie", "\u22ED": "nrtrie", "\u22B5\u20D2": "nvrtrie", "\u22B6": "origof", "\u22B7": "imof", "\u22B8": "mumap", "\u22B9": "hercon", "\u22BA": "intcal", "\u22BB": "veebar", "\u22BD": "barvee", "\u22BE": "angrtvb", "\u22BF": "lrtri", "\u22C0": "Wedge", "\u22C1": "Vee", "\u22C2": "xcap", "\u22C3": "xcup", "\u22C4": "diam", "\u22C5": "sdot", "\u22C6": "Star", "\u22C7": "divonx", "\u22C8": "bowtie", "\u22C9": "ltimes", "\u22CA": "rtimes", "\u22CB": "lthree", "\u22CC": "rthree", "\u22CD": "bsime", "\u22CE": "cuvee", "\u22CF": "cuwed", "\u22D0": "Sub", "\u22D1": "Sup", "\u22D2": "Cap", "\u22D3": "Cup", "\u22D4": "fork", "\u22D5": "epar", "\u22D6": "ltdot", "\u22D7": "gtdot", "\u22D8": "Ll", "\u22D8\u0338": "nLl", "\u22D9": "Gg", "\u22D9\u0338": "nGg", "\u22DA\uFE00": "lesg", "\u22DA": "leg", "\u22DB": "gel", "\u22DB\uFE00": "gesl", "\u22DE": "cuepr", "\u22DF": "cuesc", "\u22E6": "lnsim", "\u22E7": "gnsim", "\u22E8": "prnsim", "\u22E9": "scnsim", "\u22EE": "vellip", "\u22EF": "ctdot", "\u22F0": "utdot", "\u22F1": "dtdot", "\u22F2": "disin", "\u22F3": "isinsv", "\u22F4": "isins", "\u22F5": "isindot", "\u22F5\u0338": "notindot", "\u22F6": "notinvc", "\u22F7": "notinvb", "\u22F9": "isinE", "\u22F9\u0338": "notinE", "\u22FA": "nisd", "\u22FB": "xnis", "\u22FC": "nis", "\u22FD": "notnivc", "\u22FE": "notnivb", "\u2305": "barwed", "\u2306": "Barwed", "\u230C": "drcrop", "\u230D": "dlcrop", "\u230E": "urcrop", "\u230F": "ulcrop", "\u2310": "bnot", "\u2312": "profline", "\u2313": "profsurf", "\u2315": "telrec", "\u2316": "target", "\u231C": "ulcorn", "\u231D": "urcorn", "\u231E": "dlcorn", "\u231F": "drcorn", "\u2322": "frown", "\u2323": "smile", "\u232D": "cylcty", "\u232E": "profalar", "\u2336": "topbot", "\u233D": "ovbar", "\u233F": "solbar", "\u237C": "angzarr", "\u23B0": "lmoust", "\u23B1": "rmoust", "\u23B4": "tbrk", "\u23B5": "bbrk", "\u23B6": "bbrktbrk", "\u23DC": "OverParenthesis", "\u23DD": "UnderParenthesis", "\u23DE": "OverBrace", "\u23DF": "UnderBrace", "\u23E2": "trpezium", "\u23E7": "elinters", "\u2423": "blank", "\u2500": "boxh", "\u2502": "boxv", "\u250C": "boxdr", "\u2510": "boxdl", "\u2514": "boxur", "\u2518": "boxul", "\u251C": "boxvr", "\u2524": "boxvl", "\u252C": "boxhd", "\u2534": "boxhu", "\u253C": "boxvh", "\u2550": "boxH", "\u2551": "boxV", "\u2552": "boxdR", "\u2553": "boxDr", "\u2554": "boxDR", "\u2555": "boxdL", "\u2556": "boxDl", "\u2557": "boxDL", "\u2558": "boxuR", "\u2559": "boxUr", "\u255A": "boxUR", "\u255B": "boxuL", "\u255C": "boxUl", "\u255D": "boxUL", "\u255E": "boxvR", "\u255F": "boxVr", "\u2560": "boxVR", "\u2561": "boxvL", "\u2562": "boxVl", "\u2563": "boxVL", "\u2564": "boxHd", "\u2565": "boxhD", "\u2566": "boxHD", "\u2567": "boxHu", "\u2568": "boxhU", "\u2569": "boxHU", "\u256A": "boxvH", "\u256B": "boxVh", "\u256C": "boxVH", "\u2580": "uhblk", "\u2584": "lhblk", "\u2588": "block", "\u2591": "blk14", "\u2592": "blk12", "\u2593": "blk34", "\u25A1": "squ", "\u25AA": "squf", "\u25AB": "EmptyVerySmallSquare", "\u25AD": "rect", "\u25AE": "marker", "\u25B1": "fltns", "\u25B3": "xutri", "\u25B4": "utrif", "\u25B5": "utri", "\u25B8": "rtrif", "\u25B9": "rtri", "\u25BD": "xdtri", "\u25BE": "dtrif", "\u25BF": "dtri", "\u25C2": "ltrif", "\u25C3": "ltri", "\u25CA": "loz", "\u25CB": "cir", "\u25EC": "tridot", "\u25EF": "xcirc", "\u25F8": "ultri", "\u25F9": "urtri", "\u25FA": "lltri", "\u25FB": "EmptySmallSquare", "\u25FC": "FilledSmallSquare", "\u2605": "starf", "\u2606": "star", "\u260E": "phone", "\u2640": "female", "\u2642": "male", "\u2660": "spades", "\u2663": "clubs", "\u2665": "hearts", "\u2666": "diams", "\u266A": "sung", "\u2713": "check", "\u2717": "cross", "\u2720": "malt", "\u2736": "sext", "\u2758": "VerticalSeparator", "\u27C8": "bsolhsub", "\u27C9": "suphsol", "\u27F5": "xlarr", "\u27F6": "xrarr", "\u27F7": "xharr", "\u27F8": "xlArr", "\u27F9": "xrArr", "\u27FA": "xhArr", "\u27FC": "xmap", "\u27FF": "dzigrarr", "\u2902": "nvlArr", "\u2903": "nvrArr", "\u2904": "nvHarr", "\u2905": "Map", "\u290C": "lbarr", "\u290D": "rbarr", "\u290E": "lBarr", "\u290F": "rBarr", "\u2910": "RBarr", "\u2911": "DDotrahd", "\u2912": "UpArrowBar", "\u2913": "DownArrowBar", "\u2916": "Rarrtl", "\u2919": "latail", "\u291A": "ratail", "\u291B": "lAtail", "\u291C": "rAtail", "\u291D": "larrfs", "\u291E": "rarrfs", "\u291F": "larrbfs", "\u2920": "rarrbfs", "\u2923": "nwarhk", "\u2924": "nearhk", "\u2925": "searhk", "\u2926": "swarhk", "\u2927": "nwnear", "\u2928": "toea", "\u2929": "tosa", "\u292A": "swnwar", "\u2933": "rarrc", "\u2933\u0338": "nrarrc", "\u2935": "cudarrr", "\u2936": "ldca", "\u2937": "rdca", "\u2938": "cudarrl", "\u2939": "larrpl", "\u293C": "curarrm", "\u293D": "cularrp", "\u2945": "rarrpl", "\u2948": "harrcir", "\u2949": "Uarrocir", "\u294A": "lurdshar", "\u294B": "ldrushar", "\u294E": "LeftRightVector", "\u294F": "RightUpDownVector", "\u2950": "DownLeftRightVector", "\u2951": "LeftUpDownVector", "\u2952": "LeftVectorBar", "\u2953": "RightVectorBar", "\u2954": "RightUpVectorBar", "\u2955": "RightDownVectorBar", "\u2956": "DownLeftVectorBar", "\u2957": "DownRightVectorBar", "\u2958": "LeftUpVectorBar", "\u2959": "LeftDownVectorBar", "\u295A": "LeftTeeVector", "\u295B": "RightTeeVector", "\u295C": "RightUpTeeVector", "\u295D": "RightDownTeeVector", "\u295E": "DownLeftTeeVector", "\u295F": "DownRightTeeVector", "\u2960": "LeftUpTeeVector", "\u2961": "LeftDownTeeVector", "\u2962": "lHar", "\u2963": "uHar", "\u2964": "rHar", "\u2965": "dHar", "\u2966": "luruhar", "\u2967": "ldrdhar", "\u2968": "ruluhar", "\u2969": "rdldhar", "\u296A": "lharul", "\u296B": "llhard", "\u296C": "rharul", "\u296D": "lrhard", "\u296E": "udhar", "\u296F": "duhar", "\u2970": "RoundImplies", "\u2971": "erarr", "\u2972": "simrarr", "\u2973": "larrsim", "\u2974": "rarrsim", "\u2975": "rarrap", "\u2976": "ltlarr", "\u2978": "gtrarr", "\u2979": "subrarr", "\u297B": "suplarr", "\u297C": "lfisht", "\u297D": "rfisht", "\u297E": "ufisht", "\u297F": "dfisht", "\u299A": "vzigzag", "\u299C": "vangrt", "\u299D": "angrtvbd", "\u29A4": "ange", "\u29A5": "range", "\u29A6": "dwangle", "\u29A7": "uwangle", "\u29A8": "angmsdaa", "\u29A9": "angmsdab", "\u29AA": "angmsdac", "\u29AB": "angmsdad", "\u29AC": "angmsdae", "\u29AD": "angmsdaf", "\u29AE": "angmsdag", "\u29AF": "angmsdah", "\u29B0": "bemptyv", "\u29B1": "demptyv", "\u29B2": "cemptyv", "\u29B3": "raemptyv", "\u29B4": "laemptyv", "\u29B5": "ohbar", "\u29B6": "omid", "\u29B7": "opar", "\u29B9": "operp", "\u29BB": "olcross", "\u29BC": "odsold", "\u29BE": "olcir", "\u29BF": "ofcir", "\u29C0": "olt", "\u29C1": "ogt", "\u29C2": "cirscir", "\u29C3": "cirE", "\u29C4": "solb", "\u29C5": "bsolb", "\u29C9": "boxbox", "\u29CD": "trisb", "\u29CE": "rtriltri", "\u29CF": "LeftTriangleBar", "\u29CF\u0338": "NotLeftTriangleBar", "\u29D0": "RightTriangleBar", "\u29D0\u0338": "NotRightTriangleBar", "\u29DC": "iinfin", "\u29DD": "infintie", "\u29DE": "nvinfin", "\u29E3": "eparsl", "\u29E4": "smeparsl", "\u29E5": "eqvparsl", "\u29EB": "lozf", "\u29F4": "RuleDelayed", "\u29F6": "dsol", "\u2A00": "xodot", "\u2A01": "xoplus", "\u2A02": "xotime", "\u2A04": "xuplus", "\u2A06": "xsqcup", "\u2A0D": "fpartint", "\u2A10": "cirfnint", "\u2A11": "awint", "\u2A12": "rppolint", "\u2A13": "scpolint", "\u2A14": "npolint", "\u2A15": "pointint", "\u2A16": "quatint", "\u2A17": "intlarhk", "\u2A22": "pluscir", "\u2A23": "plusacir", "\u2A24": "simplus", "\u2A25": "plusdu", "\u2A26": "plussim", "\u2A27": "plustwo", "\u2A29": "mcomma", "\u2A2A": "minusdu", "\u2A2D": "loplus", "\u2A2E": "roplus", "\u2A2F": "Cross", "\u2A30": "timesd", "\u2A31": "timesbar", "\u2A33": "smashp", "\u2A34": "lotimes", "\u2A35": "rotimes", "\u2A36": "otimesas", "\u2A37": "Otimes", "\u2A38": "odiv", "\u2A39": "triplus", "\u2A3A": "triminus", "\u2A3B": "tritime", "\u2A3C": "iprod", "\u2A3F": "amalg", "\u2A40": "capdot", "\u2A42": "ncup", "\u2A43": "ncap", "\u2A44": "capand", "\u2A45": "cupor", "\u2A46": "cupcap", "\u2A47": "capcup", "\u2A48": "cupbrcap", "\u2A49": "capbrcup", "\u2A4A": "cupcup", "\u2A4B": "capcap", "\u2A4C": "ccups", "\u2A4D": "ccaps", "\u2A50": "ccupssm", "\u2A53": "And", "\u2A54": "Or", "\u2A55": "andand", "\u2A56": "oror", "\u2A57": "orslope", "\u2A58": "andslope", "\u2A5A": "andv", "\u2A5B": "orv", "\u2A5C": "andd", "\u2A5D": "ord", "\u2A5F": "wedbar", "\u2A66": "sdote", "\u2A6A": "simdot", "\u2A6D": "congdot", "\u2A6D\u0338": "ncongdot", "\u2A6E": "easter", "\u2A6F": "apacir", "\u2A70": "apE", "\u2A70\u0338": "napE", "\u2A71": "eplus", "\u2A72": "pluse", "\u2A73": "Esim", "\u2A77": "eDDot", "\u2A78": "equivDD", "\u2A79": "ltcir", "\u2A7A": "gtcir", "\u2A7B": "ltquest", "\u2A7C": "gtquest", "\u2A7D": "les", "\u2A7D\u0338": "nles", "\u2A7E": "ges", "\u2A7E\u0338": "nges", "\u2A7F": "lesdot", "\u2A80": "gesdot", "\u2A81": "lesdoto", "\u2A82": "gesdoto", "\u2A83": "lesdotor", "\u2A84": "gesdotol", "\u2A85": "lap", "\u2A86": "gap", "\u2A87": "lne", "\u2A88": "gne", "\u2A89": "lnap", "\u2A8A": "gnap", "\u2A8B": "lEg", "\u2A8C": "gEl", "\u2A8D": "lsime", "\u2A8E": "gsime", "\u2A8F": "lsimg", "\u2A90": "gsiml", "\u2A91": "lgE", "\u2A92": "glE", "\u2A93": "lesges", "\u2A94": "gesles", "\u2A95": "els", "\u2A96": "egs", "\u2A97": "elsdot", "\u2A98": "egsdot", "\u2A99": "el", "\u2A9A": "eg", "\u2A9D": "siml", "\u2A9E": "simg", "\u2A9F": "simlE", "\u2AA0": "simgE", "\u2AA1": "LessLess", "\u2AA1\u0338": "NotNestedLessLess", "\u2AA2": "GreaterGreater", "\u2AA2\u0338": "NotNestedGreaterGreater", "\u2AA4": "glj", "\u2AA5": "gla", "\u2AA6": "ltcc", "\u2AA7": "gtcc", "\u2AA8": "lescc", "\u2AA9": "gescc", "\u2AAA": "smt", "\u2AAB": "lat", "\u2AAC": "smte", "\u2AAC\uFE00": "smtes", "\u2AAD": "late", "\u2AAD\uFE00": "lates", "\u2AAE": "bumpE", "\u2AAF": "pre", "\u2AAF\u0338": "npre", "\u2AB0": "sce", "\u2AB0\u0338": "nsce", "\u2AB3": "prE", "\u2AB4": "scE", "\u2AB5": "prnE", "\u2AB6": "scnE", "\u2AB7": "prap", "\u2AB8": "scap", "\u2AB9": "prnap", "\u2ABA": "scnap", "\u2ABB": "Pr", "\u2ABC": "Sc", "\u2ABD": "subdot", "\u2ABE": "supdot", "\u2ABF": "subplus", "\u2AC0": "supplus", "\u2AC1": "submult", "\u2AC2": "supmult", "\u2AC3": "subedot", "\u2AC4": "supedot", "\u2AC5": "subE", "\u2AC5\u0338": "nsubE", "\u2AC6": "supE", "\u2AC6\u0338": "nsupE", "\u2AC7": "subsim", "\u2AC8": "supsim", "\u2ACB\uFE00": "vsubnE", "\u2ACB": "subnE", "\u2ACC\uFE00": "vsupnE", "\u2ACC": "supnE", "\u2ACF": "csub", "\u2AD0": "csup", "\u2AD1": "csube", "\u2AD2": "csupe", "\u2AD3": "subsup", "\u2AD4": "supsub", "\u2AD5": "subsub", "\u2AD6": "supsup", "\u2AD7": "suphsub", "\u2AD8": "supdsub", "\u2AD9": "forkv", "\u2ADA": "topfork", "\u2ADB": "mlcp", "\u2AE4": "Dashv", "\u2AE6": "Vdashl", "\u2AE7": "Barv", "\u2AE8": "vBar", "\u2AE9": "vBarv", "\u2AEB": "Vbar", "\u2AEC": "Not", "\u2AED": "bNot", "\u2AEE": "rnmid", "\u2AEF": "cirmid", "\u2AF0": "midcir", "\u2AF1": "topcir", "\u2AF2": "nhpar", "\u2AF3": "parsim", "\u2AFD": "parsl", "\u2AFD\u20E5": "nparsl", "\u266D": "flat", "\u266E": "natur", "\u266F": "sharp", "\xA4": "curren", "\xA2": "cent", "$": "dollar", "\xA3": "pound", "\xA5": "yen", "\u20AC": "euro", "\xB9": "sup1", "\xBD": "half", "\u2153": "frac13", "\xBC": "frac14", "\u2155": "frac15", "\u2159": "frac16", "\u215B": "frac18", "\xB2": "sup2", "\u2154": "frac23", "\u2156": "frac25", "\xB3": "sup3", "\xBE": "frac34", "\u2157": "frac35", "\u215C": "frac38", "\u2158": "frac45", "\u215A": "frac56", "\u215D": "frac58", "\u215E": "frac78", "\u{1D4B6}": "ascr", "\u{1D552}": "aopf", "\u{1D51E}": "afr", "\u{1D538}": "Aopf", "\u{1D504}": "Afr", "\u{1D49C}": "Ascr", "\xAA": "ordf", "\xE1": "aacute", "\xC1": "Aacute", "\xE0": "agrave", "\xC0": "Agrave", "\u0103": "abreve", "\u0102": "Abreve", "\xE2": "acirc", "\xC2": "Acirc", "\xE5": "aring", "\xC5": "angst", "\xE4": "auml", "\xC4": "Auml", "\xE3": "atilde", "\xC3": "Atilde", "\u0105": "aogon", "\u0104": "Aogon", "\u0101": "amacr", "\u0100": "Amacr", "\xE6": "aelig", "\xC6": "AElig", "\u{1D4B7}": "bscr", "\u{1D553}": "bopf", "\u{1D51F}": "bfr", "\u{1D539}": "Bopf", "\u212C": "Bscr", "\u{1D505}": "Bfr", "\u{1D520}": "cfr", "\u{1D4B8}": "cscr", "\u{1D554}": "copf", "\u212D": "Cfr", "\u{1D49E}": "Cscr", "\u2102": "Copf", "\u0107": "cacute", "\u0106": "Cacute", "\u0109": "ccirc", "\u0108": "Ccirc", "\u010D": "ccaron", "\u010C": "Ccaron", "\u010B": "cdot", "\u010A": "Cdot", "\xE7": "ccedil", "\xC7": "Ccedil", "\u2105": "incare", "\u{1D521}": "dfr", "\u2146": "dd", "\u{1D555}": "dopf", "\u{1D4B9}": "dscr", "\u{1D49F}": "Dscr", "\u{1D507}": "Dfr", "\u2145": "DD", "\u{1D53B}": "Dopf", "\u010F": "dcaron", "\u010E": "Dcaron", "\u0111": "dstrok", "\u0110": "Dstrok", "\xF0": "eth", "\xD0": "ETH", "\u2147": "ee", "\u212F": "escr", "\u{1D522}": "efr", "\u{1D556}": "eopf", "\u2130": "Escr", "\u{1D508}": "Efr", "\u{1D53C}": "Eopf", "\xE9": "eacute", "\xC9": "Eacute", "\xE8": "egrave", "\xC8": "Egrave", "\xEA": "ecirc", "\xCA": "Ecirc", "\u011B": "ecaron", "\u011A": "Ecaron", "\xEB": "euml", "\xCB": "Euml", "\u0117": "edot", "\u0116": "Edot", "\u0119": "eogon", "\u0118": "Eogon", "\u0113": "emacr", "\u0112": "Emacr", "\u{1D523}": "ffr", "\u{1D557}": "fopf", "\u{1D4BB}": "fscr", "\u{1D509}": "Ffr", "\u{1D53D}": "Fopf", "\u2131": "Fscr", "\uFB00": "fflig", "\uFB03": "ffilig", "\uFB04": "ffllig", "\uFB01": "filig", "fj": "fjlig", "\uFB02": "fllig", "\u0192": "fnof", "\u210A": "gscr", "\u{1D558}": "gopf", "\u{1D524}": "gfr", "\u{1D4A2}": "Gscr", "\u{1D53E}": "Gopf", "\u{1D50A}": "Gfr", "\u01F5": "gacute", "\u011F": "gbreve", "\u011E": "Gbreve", "\u011D": "gcirc", "\u011C": "Gcirc", "\u0121": "gdot", "\u0120": "Gdot", "\u0122": "Gcedil", "\u{1D525}": "hfr", "\u210E": "planckh", "\u{1D4BD}": "hscr", "\u{1D559}": "hopf", "\u210B": "Hscr", "\u210C": "Hfr", "\u210D": "Hopf", "\u0125": "hcirc", "\u0124": "Hcirc", "\u210F": "hbar", "\u0127": "hstrok", "\u0126": "Hstrok", "\u{1D55A}": "iopf", "\u{1D526}": "ifr", "\u{1D4BE}": "iscr", "\u2148": "ii", "\u{1D540}": "Iopf", "\u2110": "Iscr", "\u2111": "Im", "\xED": "iacute", "\xCD": "Iacute", "\xEC": "igrave", "\xCC": "Igrave", "\xEE": "icirc", "\xCE": "Icirc", "\xEF": "iuml", "\xCF": "Iuml", "\u0129": "itilde", "\u0128": "Itilde", "\u0130": "Idot", "\u012F": "iogon", "\u012E": "Iogon", "\u012B": "imacr", "\u012A": "Imacr", "\u0133": "ijlig", "\u0132": "IJlig", "\u0131": "imath", "\u{1D4BF}": "jscr", "\u{1D55B}": "jopf", "\u{1D527}": "jfr", "\u{1D4A5}": "Jscr", "\u{1D50D}": "Jfr", "\u{1D541}": "Jopf", "\u0135": "jcirc", "\u0134": "Jcirc", "\u0237": "jmath", "\u{1D55C}": "kopf", "\u{1D4C0}": "kscr", "\u{1D528}": "kfr", "\u{1D4A6}": "Kscr", "\u{1D542}": "Kopf", "\u{1D50E}": "Kfr", "\u0137": "kcedil", "\u0136": "Kcedil", "\u{1D529}": "lfr", "\u{1D4C1}": "lscr", "\u2113": "ell", "\u{1D55D}": "lopf", "\u2112": "Lscr", "\u{1D50F}": "Lfr", "\u{1D543}": "Lopf", "\u013A": "lacute", "\u0139": "Lacute", "\u013E": "lcaron", "\u013D": "Lcaron", "\u013C": "lcedil", "\u013B": "Lcedil", "\u0142": "lstrok", "\u0141": "Lstrok", "\u0140": "lmidot", "\u013F": "Lmidot", "\u{1D52A}": "mfr", "\u{1D55E}": "mopf", "\u{1D4C2}": "mscr", "\u{1D510}": "Mfr", "\u{1D544}": "Mopf", "\u2133": "Mscr", "\u{1D52B}": "nfr", "\u{1D55F}": "nopf", "\u{1D4C3}": "nscr", "\u2115": "Nopf", "\u{1D4A9}": "Nscr", "\u{1D511}": "Nfr", "\u0144": "nacute", "\u0143": "Nacute", "\u0148": "ncaron", "\u0147": "Ncaron", "\xF1": "ntilde", "\xD1": "Ntilde", "\u0146": "ncedil", "\u0145": "Ncedil", "\u2116": "numero", "\u014B": "eng", "\u014A": "ENG", "\u{1D560}": "oopf", "\u{1D52C}": "ofr", "\u2134": "oscr", "\u{1D4AA}": "Oscr", "\u{1D512}": "Ofr", "\u{1D546}": "Oopf", "\xBA": "ordm", "\xF3": "oacute", "\xD3": "Oacute", "\xF2": "ograve", "\xD2": "Ograve", "\xF4": "ocirc", "\xD4": "Ocirc", "\xF6": "ouml", "\xD6": "Ouml", "\u0151": "odblac", "\u0150": "Odblac", "\xF5": "otilde", "\xD5": "Otilde", "\xF8": "oslash", "\xD8": "Oslash", "\u014D": "omacr", "\u014C": "Omacr", "\u0153": "oelig", "\u0152": "OElig", "\u{1D52D}": "pfr", "\u{1D4C5}": "pscr", "\u{1D561}": "popf", "\u2119": "Popf", "\u{1D513}": "Pfr", "\u{1D4AB}": "Pscr", "\u{1D562}": "qopf", "\u{1D52E}": "qfr", "\u{1D4C6}": "qscr", "\u{1D4AC}": "Qscr", "\u{1D514}": "Qfr", "\u211A": "Qopf", "\u0138": "kgreen", "\u{1D52F}": "rfr", "\u{1D563}": "ropf", "\u{1D4C7}": "rscr", "\u211B": "Rscr", "\u211C": "Re", "\u211D": "Ropf", "\u0155": "racute", "\u0154": "Racute", "\u0159": "rcaron", "\u0158": "Rcaron", "\u0157": "rcedil", "\u0156": "Rcedil", "\u{1D564}": "sopf", "\u{1D4C8}": "sscr", "\u{1D530}": "sfr", "\u{1D54A}": "Sopf", "\u{1D516}": "Sfr", "\u{1D4AE}": "Sscr", "\u24C8": "oS", "\u015B": "sacute", "\u015A": "Sacute", "\u015D": "scirc", "\u015C": "Scirc", "\u0161": "scaron", "\u0160": "Scaron", "\u015F": "scedil", "\u015E": "Scedil", "\xDF": "szlig", "\u{1D531}": "tfr", "\u{1D4C9}": "tscr", "\u{1D565}": "topf", "\u{1D4AF}": "Tscr", "\u{1D517}": "Tfr", "\u{1D54B}": "Topf", "\u0165": "tcaron", "\u0164": "Tcaron", "\u0163": "tcedil", "\u0162": "Tcedil", "\u2122": "trade", "\u0167": "tstrok", "\u0166": "Tstrok", "\u{1D4CA}": "uscr", "\u{1D566}": "uopf", "\u{1D532}": "ufr", "\u{1D54C}": "Uopf", "\u{1D518}": "Ufr", "\u{1D4B0}": "Uscr", "\xFA": "uacute", "\xDA": "Uacute", "\xF9": "ugrave", "\xD9": "Ugrave", "\u016D": "ubreve", "\u016C": "Ubreve", "\xFB": "ucirc", "\xDB": "Ucirc", "\u016F": "uring", "\u016E": "Uring", "\xFC": "uuml", "\xDC": "Uuml", "\u0171": "udblac", "\u0170": "Udblac", "\u0169": "utilde", "\u0168": "Utilde", "\u0173": "uogon", "\u0172": "Uogon", "\u016B": "umacr", "\u016A": "Umacr", "\u{1D533}": "vfr", "\u{1D567}": "vopf", "\u{1D4CB}": "vscr", "\u{1D519}": "Vfr", "\u{1D54D}": "Vopf", "\u{1D4B1}": "Vscr", "\u{1D568}": "wopf", "\u{1D4CC}": "wscr", "\u{1D534}": "wfr", "\u{1D4B2}": "Wscr", "\u{1D54E}": "Wopf", "\u{1D51A}": "Wfr", "\u0175": "wcirc", "\u0174": "Wcirc", "\u{1D535}": "xfr", "\u{1D4CD}": "xscr", "\u{1D569}": "xopf", "\u{1D54F}": "Xopf", "\u{1D51B}": "Xfr", "\u{1D4B3}": "Xscr", "\u{1D536}": "yfr", "\u{1D4CE}": "yscr", "\u{1D56A}": "yopf", "\u{1D4B4}": "Yscr", "\u{1D51C}": "Yfr", "\u{1D550}": "Yopf", "\xFD": "yacute", "\xDD": "Yacute", "\u0177": "ycirc", "\u0176": "Ycirc", "\xFF": "yuml", "\u0178": "Yuml", "\u{1D4CF}": "zscr", "\u{1D537}": "zfr", "\u{1D56B}": "zopf", "\u2128": "Zfr", "\u2124": "Zopf", "\u{1D4B5}": "Zscr", "\u017A": "zacute", "\u0179": "Zacute", "\u017E": "zcaron", "\u017D": "Zcaron", "\u017C": "zdot", "\u017B": "Zdot", "\u01B5": "imped", "\xFE": "thorn", "\xDE": "THORN", "\u0149": "napos", "\u03B1": "alpha", "\u0391": "Alpha", "\u03B2": "beta", "\u0392": "Beta", "\u03B3": "gamma", "\u0393": "Gamma", "\u03B4": "delta", "\u0394": "Delta", "\u03B5": "epsi", "\u03F5": "epsiv", "\u0395": "Epsilon", "\u03DD": "gammad", "\u03DC": "Gammad", "\u03B6": "zeta", "\u0396": "Zeta", "\u03B7": "eta", "\u0397": "Eta", "\u03B8": "theta", "\u03D1": "thetav", "\u0398": "Theta", "\u03B9": "iota", "\u0399": "Iota", "\u03BA": "kappa", "\u03F0": "kappav", "\u039A": "Kappa", "\u03BB": "lambda", "\u039B": "Lambda", "\u03BC": "mu", "\xB5": "micro", "\u039C": "Mu", "\u03BD": "nu", "\u039D": "Nu", "\u03BE": "xi", "\u039E": "Xi", "\u03BF": "omicron", "\u039F": "Omicron", "\u03C0": "pi", "\u03D6": "piv", "\u03A0": "Pi", "\u03C1": "rho", "\u03F1": "rhov", "\u03A1": "Rho", "\u03C3": "sigma", "\u03A3": "Sigma", "\u03C2": "sigmaf", "\u03C4": "tau", "\u03A4": "Tau", "\u03C5": "upsi", "\u03A5": "Upsilon", "\u03D2": "Upsi", "\u03C6": "phi", "\u03D5": "phiv", "\u03A6": "Phi", "\u03C7": "chi", "\u03A7": "Chi", "\u03C8": "psi", "\u03A8": "Psi", "\u03C9": "omega", "\u03A9": "ohm", "\u0430": "acy", "\u0410": "Acy", "\u0431": "bcy", "\u0411": "Bcy", "\u0432": "vcy", "\u0412": "Vcy", "\u0433": "gcy", "\u0413": "Gcy", "\u0453": "gjcy", "\u0403": "GJcy", "\u0434": "dcy", "\u0414": "Dcy", "\u0452": "djcy", "\u0402": "DJcy", "\u0435": "iecy", "\u0415": "IEcy", "\u0451": "iocy", "\u0401": "IOcy", "\u0454": "jukcy", "\u0404": "Jukcy", "\u0436": "zhcy", "\u0416": "ZHcy", "\u0437": "zcy", "\u0417": "Zcy", "\u0455": "dscy", "\u0405": "DScy", "\u0438": "icy", "\u0418": "Icy", "\u0456": "iukcy", "\u0406": "Iukcy", "\u0457": "yicy", "\u0407": "YIcy", "\u0439": "jcy", "\u0419": "Jcy", "\u0458": "jsercy", "\u0408": "Jsercy", "\u043A": "kcy", "\u041A": "Kcy", "\u045C": "kjcy", "\u040C": "KJcy", "\u043B": "lcy", "\u041B": "Lcy", "\u0459": "ljcy", "\u0409": "LJcy", "\u043C": "mcy", "\u041C": "Mcy", "\u043D": "ncy", "\u041D": "Ncy", "\u045A": "njcy", "\u040A": "NJcy", "\u043E": "ocy", "\u041E": "Ocy", "\u043F": "pcy", "\u041F": "Pcy", "\u0440": "rcy", "\u0420": "Rcy", "\u0441": "scy", "\u0421": "Scy", "\u0442": "tcy", "\u0422": "Tcy", "\u045B": "tshcy", "\u040B": "TSHcy", "\u0443": "ucy", "\u0423": "Ucy", "\u045E": "ubrcy", "\u040E": "Ubrcy", "\u0444": "fcy", "\u0424": "Fcy", "\u0445": "khcy", "\u0425": "KHcy", "\u0446": "tscy", "\u0426": "TScy", "\u0447": "chcy", "\u0427": "CHcy", "\u045F": "dzcy", "\u040F": "DZcy", "\u0448": "shcy", "\u0428": "SHcy", "\u0449": "shchcy", "\u0429": "SHCHcy", "\u044A": "hardcy", "\u042A": "HARDcy", "\u044B": "ycy", "\u042B": "Ycy", "\u044C": "softcy", "\u042C": "SOFTcy", "\u044D": "ecy", "\u042D": "Ecy", "\u044E": "yucy", "\u042E": "YUcy", "\u044F": "yacy", "\u042F": "YAcy", "\u2135": "aleph", "\u2136": "beth", "\u2137": "gimel", "\u2138": "daleth" };
      var regexEscape = /["&'<>`]/g;
      var escapeMap = {
        '"': "&quot;",
        "&": "&amp;",
        "'": "&#x27;",
        "<": "&lt;",
        ">": "&gt;",
        "`": "&#x60;"
      };
      var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
      var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
      var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|complement|CirclePlus|sqsubseteq|Lleftarrow|circledast|RightArrow|Rightarrow|rightarrow|lmoustache|Bernoullis|precapprox|mapstoleft|mapstodown|longmapsto|dotsquare|downarrow|DoubleDot|nsubseteq|supsetneq|leftarrow|nsupseteq|subsetneq|ThinSpace|ngeqslant|subseteqq|HumpEqual|NotSubset|triangleq|NotCupCap|lesseqgtr|heartsuit|TripleDot|Leftarrow|Coproduct|Congruent|varpropto|complexes|gvertneqq|LeftArrow|LessTilde|supseteqq|MinusPlus|CircleDot|nleqslant|NotExists|gtreqless|nparallel|UnionPlus|LeftFloor|checkmark|CenterDot|centerdot|Mellintrf|gtrapprox|bigotimes|OverBrace|spadesuit|therefore|pitchfork|rationals|PlusMinus|Backslash|Therefore|DownBreve|backsimeq|backprime|DownArrow|nshortmid|Downarrow|lvertneqq|eqvparsl|imagline|imagpart|infintie|integers|Integral|intercal|LessLess|Uarrocir|intlarhk|sqsupset|angmsdaf|sqsubset|llcorner|vartheta|cupbrcap|lnapprox|Superset|SuchThat|succnsim|succneqq|angmsdag|biguplus|curlyvee|trpezium|Succeeds|NotTilde|bigwedge|angmsdah|angrtvbd|triminus|cwconint|fpartint|lrcorner|smeparsl|subseteq|urcorner|lurdshar|laemptyv|DDotrahd|approxeq|ldrushar|awconint|mapstoup|backcong|shortmid|triangle|geqslant|gesdotol|timesbar|circledR|circledS|setminus|multimap|naturals|scpolint|ncongdot|RightTee|boxminus|gnapprox|boxtimes|andslope|thicksim|angmsdaa|varsigma|cirfnint|rtriltri|angmsdab|rppolint|angmsdac|barwedge|drbkarow|clubsuit|thetasym|bsolhsub|capbrcup|dzigrarr|doteqdot|DotEqual|dotminus|UnderBar|NotEqual|realpart|otimesas|ulcorner|hksearow|hkswarow|parallel|PartialD|elinters|emptyset|plusacir|bbrktbrk|angmsdad|pointint|bigoplus|angmsdae|Precedes|bigsqcup|varkappa|notindot|supseteq|precneqq|precnsim|profalar|profline|profsurf|leqslant|lesdotor|raemptyv|subplus|notnivb|notnivc|subrarr|zigrarr|vzigzag|submult|subedot|Element|between|cirscir|larrbfs|larrsim|lotimes|lbrksld|lbrkslu|lozenge|ldrdhar|dbkarow|bigcirc|epsilon|simrarr|simplus|ltquest|Epsilon|luruhar|gtquest|maltese|npolint|eqcolon|npreceq|bigodot|ddagger|gtrless|bnequiv|harrcir|ddotseq|equivDD|backsim|demptyv|nsqsube|nsqsupe|Upsilon|nsubset|upsilon|minusdu|nsucceq|swarrow|nsupset|coloneq|searrow|boxplus|napprox|natural|asympeq|alefsym|congdot|nearrow|bigstar|diamond|supplus|tritime|LeftTee|nvinfin|triplus|NewLine|nvltrie|nvrtrie|nwarrow|nexists|Diamond|ruluhar|Implies|supmult|angzarr|suplarr|suphsub|questeq|because|digamma|Because|olcross|bemptyv|omicron|Omicron|rotimes|NoBreak|intprod|angrtvb|orderof|uwangle|suphsol|lesdoto|orslope|DownTee|realine|cudarrl|rdldhar|OverBar|supedot|lessdot|supdsub|topfork|succsim|rbrkslu|rbrksld|pertenk|cudarrr|isindot|planckh|lessgtr|pluscir|gesdoto|plussim|plustwo|lesssim|cularrp|rarrsim|Cayleys|notinva|notinvb|notinvc|UpArrow|Uparrow|uparrow|NotLess|dwangle|precsim|Product|curarrm|Cconint|dotplus|rarrbfs|ccupssm|Cedilla|cemptyv|notniva|quatint|frac35|frac38|frac45|frac56|frac58|frac78|tridot|xoplus|gacute|gammad|Gammad|lfisht|lfloor|bigcup|sqsupe|gbreve|Gbreve|lharul|sqsube|sqcups|Gcedil|apacir|llhard|lmidot|Lmidot|lmoust|andand|sqcaps|approx|Abreve|spades|circeq|tprime|divide|topcir|Assign|topbot|gesdot|divonx|xuplus|timesd|gesles|atilde|solbar|SOFTcy|loplus|timesb|lowast|lowbar|dlcorn|dlcrop|softcy|dollar|lparlt|thksim|lrhard|Atilde|lsaquo|smashp|bigvee|thinsp|wreath|bkarow|lsquor|lstrok|Lstrok|lthree|ltimes|ltlarr|DotDot|simdot|ltrPar|weierp|xsqcup|angmsd|sigmav|sigmaf|zeetrf|Zcaron|zcaron|mapsto|vsupne|thetav|cirmid|marker|mcomma|Zacute|vsubnE|there4|gtlPar|vsubne|bottom|gtrarr|SHCHcy|shchcy|midast|midcir|middot|minusb|minusd|gtrdot|bowtie|sfrown|mnplus|models|colone|seswar|Colone|mstpos|searhk|gtrsim|nacute|Nacute|boxbox|telrec|hairsp|Tcedil|nbumpe|scnsim|ncaron|Ncaron|ncedil|Ncedil|hamilt|Scedil|nearhk|hardcy|HARDcy|tcedil|Tcaron|commat|nequiv|nesear|tcaron|target|hearts|nexist|varrho|scedil|Scaron|scaron|hellip|Sacute|sacute|hercon|swnwar|compfn|rtimes|rthree|rsquor|rsaquo|zacute|wedgeq|homtht|barvee|barwed|Barwed|rpargt|horbar|conint|swarhk|roplus|nltrie|hslash|hstrok|Hstrok|rmoust|Conint|bprime|hybull|hyphen|iacute|Iacute|supsup|supsub|supsim|varphi|coprod|brvbar|agrave|Supset|supset|igrave|Igrave|notinE|Agrave|iiiint|iinfin|copysr|wedbar|Verbar|vangrt|becaus|incare|verbar|inodot|bullet|drcorn|intcal|drcrop|cularr|vellip|Utilde|bumpeq|cupcap|dstrok|Dstrok|CupCap|cupcup|cupdot|eacute|Eacute|supdot|iquest|easter|ecaron|Ecaron|ecolon|isinsv|utilde|itilde|Itilde|curarr|succeq|Bumpeq|cacute|ulcrop|nparsl|Cacute|nprcue|egrave|Egrave|nrarrc|nrarrw|subsup|subsub|nrtrie|jsercy|nsccue|Jsercy|kappav|kcedil|Kcedil|subsim|ulcorn|nsimeq|egsdot|veebar|kgreen|capand|elsdot|Subset|subset|curren|aacute|lacute|Lacute|emptyv|ntilde|Ntilde|lagran|lambda|Lambda|capcap|Ugrave|langle|subdot|emsp13|numero|emsp14|nvdash|nvDash|nVdash|nVDash|ugrave|ufisht|nvHarr|larrfs|nvlArr|larrhk|larrlp|larrpl|nvrArr|Udblac|nwarhk|larrtl|nwnear|oacute|Oacute|latail|lAtail|sstarf|lbrace|odblac|Odblac|lbrack|udblac|odsold|eparsl|lcaron|Lcaron|ograve|Ograve|lcedil|Lcedil|Aacute|ssmile|ssetmn|squarf|ldquor|capcup|ominus|cylcty|rharul|eqcirc|dagger|rfloor|rfisht|Dagger|daleth|equals|origof|capdot|equest|dcaron|Dcaron|rdquor|oslash|Oslash|otilde|Otilde|otimes|Otimes|urcrop|Ubreve|ubreve|Yacute|Uacute|uacute|Rcedil|rcedil|urcorn|parsim|Rcaron|Vdashl|rcaron|Tstrok|percnt|period|permil|Exists|yacute|rbrack|rbrace|phmmat|ccaron|Ccaron|planck|ccedil|plankv|tstrok|female|plusdo|plusdu|ffilig|plusmn|ffllig|Ccedil|rAtail|dfisht|bernou|ratail|Rarrtl|rarrtl|angsph|rarrpl|rarrlp|rarrhk|xwedge|xotime|forall|ForAll|Vvdash|vsupnE|preceq|bigcap|frac12|frac13|frac14|primes|rarrfs|prnsim|frac15|Square|frac16|square|lesdot|frac18|frac23|propto|prurel|rarrap|rangle|puncsp|frac25|Racute|qprime|racute|lesges|frac34|abreve|AElig|eqsim|utdot|setmn|urtri|Equal|Uring|seArr|uring|searr|dashv|Dashv|mumap|nabla|iogon|Iogon|sdote|sdotb|scsim|napid|napos|equiv|natur|Acirc|dblac|erarr|nbump|iprod|erDot|ucirc|awint|esdot|angrt|ncong|isinE|scnap|Scirc|scirc|ndash|isins|Ubrcy|nearr|neArr|isinv|nedot|ubrcy|acute|Ycirc|iukcy|Iukcy|xutri|nesim|caret|jcirc|Jcirc|caron|twixt|ddarr|sccue|exist|jmath|sbquo|ngeqq|angst|ccaps|lceil|ngsim|UpTee|delta|Delta|rtrif|nharr|nhArr|nhpar|rtrie|jukcy|Jukcy|kappa|rsquo|Kappa|nlarr|nlArr|TSHcy|rrarr|aogon|Aogon|fflig|xrarr|tshcy|ccirc|nleqq|filig|upsih|nless|dharl|nlsim|fjlig|ropar|nltri|dharr|robrk|roarr|fllig|fltns|roang|rnmid|subnE|subne|lAarr|trisb|Ccirc|acirc|ccups|blank|VDash|forkv|Vdash|langd|cedil|blk12|blk14|laquo|strns|diams|notin|vDash|larrb|blk34|block|disin|uplus|vdash|vBarv|aelig|starf|Wedge|check|xrArr|lates|lbarr|lBarr|notni|lbbrk|bcong|frasl|lbrke|frown|vrtri|vprop|vnsup|gamma|Gamma|wedge|xodot|bdquo|srarr|doteq|ldquo|boxdl|boxdL|gcirc|Gcirc|boxDl|boxDL|boxdr|boxdR|boxDr|TRADE|trade|rlhar|boxDR|vnsub|npart|vltri|rlarr|boxhd|boxhD|nprec|gescc|nrarr|nrArr|boxHd|boxHD|boxhu|boxhU|nrtri|boxHu|clubs|boxHU|times|colon|Colon|gimel|xlArr|Tilde|nsime|tilde|nsmid|nspar|THORN|thorn|xlarr|nsube|nsubE|thkap|xhArr|comma|nsucc|boxul|boxuL|nsupe|nsupE|gneqq|gnsim|boxUl|boxUL|grave|boxur|boxuR|boxUr|boxUR|lescc|angle|bepsi|boxvh|varpi|boxvH|numsp|Theta|gsime|gsiml|theta|boxVh|boxVH|boxvl|gtcir|gtdot|boxvL|boxVl|boxVL|crarr|cross|Cross|nvsim|boxvr|nwarr|nwArr|sqsup|dtdot|Uogon|lhard|lharu|dtrif|ocirc|Ocirc|lhblk|duarr|odash|sqsub|Hacek|sqcup|llarr|duhar|oelig|OElig|ofcir|boxvR|uogon|lltri|boxVr|csube|uuarr|ohbar|csupe|ctdot|olarr|olcir|harrw|oline|sqcap|omacr|Omacr|omega|Omega|boxVR|aleph|lneqq|lnsim|loang|loarr|rharu|lobrk|hcirc|operp|oplus|rhard|Hcirc|orarr|Union|order|ecirc|Ecirc|cuepr|szlig|cuesc|breve|reals|eDDot|Breve|hoarr|lopar|utrif|rdquo|Umacr|umacr|efDot|swArr|ultri|alpha|rceil|ovbar|swarr|Wcirc|wcirc|smtes|smile|bsemi|lrarr|aring|parsl|lrhar|bsime|uhblk|lrtri|cupor|Aring|uharr|uharl|slarr|rbrke|bsolb|lsime|rbbrk|RBarr|lsimg|phone|rBarr|rbarr|icirc|lsquo|Icirc|emacr|Emacr|ratio|simne|plusb|simlE|simgE|simeq|pluse|ltcir|ltdot|empty|xharr|xdtri|iexcl|Alpha|ltrie|rarrw|pound|ltrif|xcirc|bumpe|prcue|bumpE|asymp|amacr|cuvee|Sigma|sigma|iiint|udhar|iiota|ijlig|IJlig|supnE|imacr|Imacr|prime|Prime|image|prnap|eogon|Eogon|rarrc|mdash|mDDot|cuwed|imath|supne|imped|Amacr|udarr|prsim|micro|rarrb|cwint|raquo|infin|eplus|range|rangd|Ucirc|radic|minus|amalg|veeeq|rAarr|epsiv|ycirc|quest|sharp|quot|zwnj|Qscr|race|qscr|Qopf|qopf|qint|rang|Rang|Zscr|zscr|Zopf|zopf|rarr|rArr|Rarr|Pscr|pscr|prop|prod|prnE|prec|ZHcy|zhcy|prap|Zeta|zeta|Popf|popf|Zdot|plus|zdot|Yuml|yuml|phiv|YUcy|yucy|Yscr|yscr|perp|Yopf|yopf|part|para|YIcy|Ouml|rcub|yicy|YAcy|rdca|ouml|osol|Oscr|rdsh|yacy|real|oscr|xvee|andd|rect|andv|Xscr|oror|ordm|ordf|xscr|ange|aopf|Aopf|rHar|Xopf|opar|Oopf|xopf|xnis|rhov|oopf|omid|xmap|oint|apid|apos|ogon|ascr|Ascr|odot|odiv|xcup|xcap|ocir|oast|nvlt|nvle|nvgt|nvge|nvap|Wscr|wscr|auml|ntlg|ntgl|nsup|nsub|nsim|Nscr|nscr|nsce|Wopf|ring|npre|wopf|npar|Auml|Barv|bbrk|Nopf|nopf|nmid|nLtv|beta|ropf|Ropf|Beta|beth|nles|rpar|nleq|bnot|bNot|nldr|NJcy|rscr|Rscr|Vscr|vscr|rsqb|njcy|bopf|nisd|Bopf|rtri|Vopf|nGtv|ngtr|vopf|boxh|boxH|boxv|nges|ngeq|boxV|bscr|scap|Bscr|bsim|Vert|vert|bsol|bull|bump|caps|cdot|ncup|scnE|ncap|nbsp|napE|Cdot|cent|sdot|Vbar|nang|vBar|chcy|Mscr|mscr|sect|semi|CHcy|Mopf|mopf|sext|circ|cire|mldr|mlcp|cirE|comp|shcy|SHcy|vArr|varr|cong|copf|Copf|copy|COPY|malt|male|macr|lvnE|cscr|ltri|sime|ltcc|simg|Cscr|siml|csub|Uuml|lsqb|lsim|uuml|csup|Lscr|lscr|utri|smid|lpar|cups|smte|lozf|darr|Lopf|Uscr|solb|lopf|sopf|Sopf|lneq|uscr|spar|dArr|lnap|Darr|dash|Sqrt|LJcy|ljcy|lHar|dHar|Upsi|upsi|diam|lesg|djcy|DJcy|leqq|dopf|Dopf|dscr|Dscr|dscy|ldsh|ldca|squf|DScy|sscr|Sscr|dsol|lcub|late|star|Star|Uopf|Larr|lArr|larr|uopf|dtri|dzcy|sube|subE|Lang|lang|Kscr|kscr|Kopf|kopf|KJcy|kjcy|KHcy|khcy|DZcy|ecir|edot|eDot|Jscr|jscr|succ|Jopf|jopf|Edot|uHar|emsp|ensp|Iuml|iuml|eopf|isin|Iscr|iscr|Eopf|epar|sung|epsi|escr|sup1|sup2|sup3|Iota|iota|supe|supE|Iopf|iopf|IOcy|iocy|Escr|esim|Esim|imof|Uarr|QUOT|uArr|uarr|euml|IEcy|iecy|Idot|Euml|euro|excl|Hscr|hscr|Hopf|hopf|TScy|tscy|Tscr|hbar|tscr|flat|tbrk|fnof|hArr|harr|half|fopf|Fopf|tdot|gvnE|fork|trie|gtcc|fscr|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g;
      var decodeMap = { "aacute": "\xE1", "Aacute": "\xC1", "abreve": "\u0103", "Abreve": "\u0102", "ac": "\u223E", "acd": "\u223F", "acE": "\u223E\u0333", "acirc": "\xE2", "Acirc": "\xC2", "acute": "\xB4", "acy": "\u0430", "Acy": "\u0410", "aelig": "\xE6", "AElig": "\xC6", "af": "\u2061", "afr": "\u{1D51E}", "Afr": "\u{1D504}", "agrave": "\xE0", "Agrave": "\xC0", "alefsym": "\u2135", "aleph": "\u2135", "alpha": "\u03B1", "Alpha": "\u0391", "amacr": "\u0101", "Amacr": "\u0100", "amalg": "\u2A3F", "amp": "&", "AMP": "&", "and": "\u2227", "And": "\u2A53", "andand": "\u2A55", "andd": "\u2A5C", "andslope": "\u2A58", "andv": "\u2A5A", "ang": "\u2220", "ange": "\u29A4", "angle": "\u2220", "angmsd": "\u2221", "angmsdaa": "\u29A8", "angmsdab": "\u29A9", "angmsdac": "\u29AA", "angmsdad": "\u29AB", "angmsdae": "\u29AC", "angmsdaf": "\u29AD", "angmsdag": "\u29AE", "angmsdah": "\u29AF", "angrt": "\u221F", "angrtvb": "\u22BE", "angrtvbd": "\u299D", "angsph": "\u2222", "angst": "\xC5", "angzarr": "\u237C", "aogon": "\u0105", "Aogon": "\u0104", "aopf": "\u{1D552}", "Aopf": "\u{1D538}", "ap": "\u2248", "apacir": "\u2A6F", "ape": "\u224A", "apE": "\u2A70", "apid": "\u224B", "apos": "'", "ApplyFunction": "\u2061", "approx": "\u2248", "approxeq": "\u224A", "aring": "\xE5", "Aring": "\xC5", "ascr": "\u{1D4B6}", "Ascr": "\u{1D49C}", "Assign": "\u2254", "ast": "*", "asymp": "\u2248", "asympeq": "\u224D", "atilde": "\xE3", "Atilde": "\xC3", "auml": "\xE4", "Auml": "\xC4", "awconint": "\u2233", "awint": "\u2A11", "backcong": "\u224C", "backepsilon": "\u03F6", "backprime": "\u2035", "backsim": "\u223D", "backsimeq": "\u22CD", "Backslash": "\u2216", "Barv": "\u2AE7", "barvee": "\u22BD", "barwed": "\u2305", "Barwed": "\u2306", "barwedge": "\u2305", "bbrk": "\u23B5", "bbrktbrk": "\u23B6", "bcong": "\u224C", "bcy": "\u0431", "Bcy": "\u0411", "bdquo": "\u201E", "becaus": "\u2235", "because": "\u2235", "Because": "\u2235", "bemptyv": "\u29B0", "bepsi": "\u03F6", "bernou": "\u212C", "Bernoullis": "\u212C", "beta": "\u03B2", "Beta": "\u0392", "beth": "\u2136", "between": "\u226C", "bfr": "\u{1D51F}", "Bfr": "\u{1D505}", "bigcap": "\u22C2", "bigcirc": "\u25EF", "bigcup": "\u22C3", "bigodot": "\u2A00", "bigoplus": "\u2A01", "bigotimes": "\u2A02", "bigsqcup": "\u2A06", "bigstar": "\u2605", "bigtriangledown": "\u25BD", "bigtriangleup": "\u25B3", "biguplus": "\u2A04", "bigvee": "\u22C1", "bigwedge": "\u22C0", "bkarow": "\u290D", "blacklozenge": "\u29EB", "blacksquare": "\u25AA", "blacktriangle": "\u25B4", "blacktriangledown": "\u25BE", "blacktriangleleft": "\u25C2", "blacktriangleright": "\u25B8", "blank": "\u2423", "blk12": "\u2592", "blk14": "\u2591", "blk34": "\u2593", "block": "\u2588", "bne": "=\u20E5", "bnequiv": "\u2261\u20E5", "bnot": "\u2310", "bNot": "\u2AED", "bopf": "\u{1D553}", "Bopf": "\u{1D539}", "bot": "\u22A5", "bottom": "\u22A5", "bowtie": "\u22C8", "boxbox": "\u29C9", "boxdl": "\u2510", "boxdL": "\u2555", "boxDl": "\u2556", "boxDL": "\u2557", "boxdr": "\u250C", "boxdR": "\u2552", "boxDr": "\u2553", "boxDR": "\u2554", "boxh": "\u2500", "boxH": "\u2550", "boxhd": "\u252C", "boxhD": "\u2565", "boxHd": "\u2564", "boxHD": "\u2566", "boxhu": "\u2534", "boxhU": "\u2568", "boxHu": "\u2567", "boxHU": "\u2569", "boxminus": "\u229F", "boxplus": "\u229E", "boxtimes": "\u22A0", "boxul": "\u2518", "boxuL": "\u255B", "boxUl": "\u255C", "boxUL": "\u255D", "boxur": "\u2514", "boxuR": "\u2558", "boxUr": "\u2559", "boxUR": "\u255A", "boxv": "\u2502", "boxV": "\u2551", "boxvh": "\u253C", "boxvH": "\u256A", "boxVh": "\u256B", "boxVH": "\u256C", "boxvl": "\u2524", "boxvL": "\u2561", "boxVl": "\u2562", "boxVL": "\u2563", "boxvr": "\u251C", "boxvR": "\u255E", "boxVr": "\u255F", "boxVR": "\u2560", "bprime": "\u2035", "breve": "\u02D8", "Breve": "\u02D8", "brvbar": "\xA6", "bscr": "\u{1D4B7}", "Bscr": "\u212C", "bsemi": "\u204F", "bsim": "\u223D", "bsime": "\u22CD", "bsol": "\\", "bsolb": "\u29C5", "bsolhsub": "\u27C8", "bull": "\u2022", "bullet": "\u2022", "bump": "\u224E", "bumpe": "\u224F", "bumpE": "\u2AAE", "bumpeq": "\u224F", "Bumpeq": "\u224E", "cacute": "\u0107", "Cacute": "\u0106", "cap": "\u2229", "Cap": "\u22D2", "capand": "\u2A44", "capbrcup": "\u2A49", "capcap": "\u2A4B", "capcup": "\u2A47", "capdot": "\u2A40", "CapitalDifferentialD": "\u2145", "caps": "\u2229\uFE00", "caret": "\u2041", "caron": "\u02C7", "Cayleys": "\u212D", "ccaps": "\u2A4D", "ccaron": "\u010D", "Ccaron": "\u010C", "ccedil": "\xE7", "Ccedil": "\xC7", "ccirc": "\u0109", "Ccirc": "\u0108", "Cconint": "\u2230", "ccups": "\u2A4C", "ccupssm": "\u2A50", "cdot": "\u010B", "Cdot": "\u010A", "cedil": "\xB8", "Cedilla": "\xB8", "cemptyv": "\u29B2", "cent": "\xA2", "centerdot": "\xB7", "CenterDot": "\xB7", "cfr": "\u{1D520}", "Cfr": "\u212D", "chcy": "\u0447", "CHcy": "\u0427", "check": "\u2713", "checkmark": "\u2713", "chi": "\u03C7", "Chi": "\u03A7", "cir": "\u25CB", "circ": "\u02C6", "circeq": "\u2257", "circlearrowleft": "\u21BA", "circlearrowright": "\u21BB", "circledast": "\u229B", "circledcirc": "\u229A", "circleddash": "\u229D", "CircleDot": "\u2299", "circledR": "\xAE", "circledS": "\u24C8", "CircleMinus": "\u2296", "CirclePlus": "\u2295", "CircleTimes": "\u2297", "cire": "\u2257", "cirE": "\u29C3", "cirfnint": "\u2A10", "cirmid": "\u2AEF", "cirscir": "\u29C2", "ClockwiseContourIntegral": "\u2232", "CloseCurlyDoubleQuote": "\u201D", "CloseCurlyQuote": "\u2019", "clubs": "\u2663", "clubsuit": "\u2663", "colon": ":", "Colon": "\u2237", "colone": "\u2254", "Colone": "\u2A74", "coloneq": "\u2254", "comma": ",", "commat": "@", "comp": "\u2201", "compfn": "\u2218", "complement": "\u2201", "complexes": "\u2102", "cong": "\u2245", "congdot": "\u2A6D", "Congruent": "\u2261", "conint": "\u222E", "Conint": "\u222F", "ContourIntegral": "\u222E", "copf": "\u{1D554}", "Copf": "\u2102", "coprod": "\u2210", "Coproduct": "\u2210", "copy": "\xA9", "COPY": "\xA9", "copysr": "\u2117", "CounterClockwiseContourIntegral": "\u2233", "crarr": "\u21B5", "cross": "\u2717", "Cross": "\u2A2F", "cscr": "\u{1D4B8}", "Cscr": "\u{1D49E}", "csub": "\u2ACF", "csube": "\u2AD1", "csup": "\u2AD0", "csupe": "\u2AD2", "ctdot": "\u22EF", "cudarrl": "\u2938", "cudarrr": "\u2935", "cuepr": "\u22DE", "cuesc": "\u22DF", "cularr": "\u21B6", "cularrp": "\u293D", "cup": "\u222A", "Cup": "\u22D3", "cupbrcap": "\u2A48", "cupcap": "\u2A46", "CupCap": "\u224D", "cupcup": "\u2A4A", "cupdot": "\u228D", "cupor": "\u2A45", "cups": "\u222A\uFE00", "curarr": "\u21B7", "curarrm": "\u293C", "curlyeqprec": "\u22DE", "curlyeqsucc": "\u22DF", "curlyvee": "\u22CE", "curlywedge": "\u22CF", "curren": "\xA4", "curvearrowleft": "\u21B6", "curvearrowright": "\u21B7", "cuvee": "\u22CE", "cuwed": "\u22CF", "cwconint": "\u2232", "cwint": "\u2231", "cylcty": "\u232D", "dagger": "\u2020", "Dagger": "\u2021", "daleth": "\u2138", "darr": "\u2193", "dArr": "\u21D3", "Darr": "\u21A1", "dash": "\u2010", "dashv": "\u22A3", "Dashv": "\u2AE4", "dbkarow": "\u290F", "dblac": "\u02DD", "dcaron": "\u010F", "Dcaron": "\u010E", "dcy": "\u0434", "Dcy": "\u0414", "dd": "\u2146", "DD": "\u2145", "ddagger": "\u2021", "ddarr": "\u21CA", "DDotrahd": "\u2911", "ddotseq": "\u2A77", "deg": "\xB0", "Del": "\u2207", "delta": "\u03B4", "Delta": "\u0394", "demptyv": "\u29B1", "dfisht": "\u297F", "dfr": "\u{1D521}", "Dfr": "\u{1D507}", "dHar": "\u2965", "dharl": "\u21C3", "dharr": "\u21C2", "DiacriticalAcute": "\xB4", "DiacriticalDot": "\u02D9", "DiacriticalDoubleAcute": "\u02DD", "DiacriticalGrave": "`", "DiacriticalTilde": "\u02DC", "diam": "\u22C4", "diamond": "\u22C4", "Diamond": "\u22C4", "diamondsuit": "\u2666", "diams": "\u2666", "die": "\xA8", "DifferentialD": "\u2146", "digamma": "\u03DD", "disin": "\u22F2", "div": "\xF7", "divide": "\xF7", "divideontimes": "\u22C7", "divonx": "\u22C7", "djcy": "\u0452", "DJcy": "\u0402", "dlcorn": "\u231E", "dlcrop": "\u230D", "dollar": "$", "dopf": "\u{1D555}", "Dopf": "\u{1D53B}", "dot": "\u02D9", "Dot": "\xA8", "DotDot": "\u20DC", "doteq": "\u2250", "doteqdot": "\u2251", "DotEqual": "\u2250", "dotminus": "\u2238", "dotplus": "\u2214", "dotsquare": "\u22A1", "doublebarwedge": "\u2306", "DoubleContourIntegral": "\u222F", "DoubleDot": "\xA8", "DoubleDownArrow": "\u21D3", "DoubleLeftArrow": "\u21D0", "DoubleLeftRightArrow": "\u21D4", "DoubleLeftTee": "\u2AE4", "DoubleLongLeftArrow": "\u27F8", "DoubleLongLeftRightArrow": "\u27FA", "DoubleLongRightArrow": "\u27F9", "DoubleRightArrow": "\u21D2", "DoubleRightTee": "\u22A8", "DoubleUpArrow": "\u21D1", "DoubleUpDownArrow": "\u21D5", "DoubleVerticalBar": "\u2225", "downarrow": "\u2193", "Downarrow": "\u21D3", "DownArrow": "\u2193", "DownArrowBar": "\u2913", "DownArrowUpArrow": "\u21F5", "DownBreve": "\u0311", "downdownarrows": "\u21CA", "downharpoonleft": "\u21C3", "downharpoonright": "\u21C2", "DownLeftRightVector": "\u2950", "DownLeftTeeVector": "\u295E", "DownLeftVector": "\u21BD", "DownLeftVectorBar": "\u2956", "DownRightTeeVector": "\u295F", "DownRightVector": "\u21C1", "DownRightVectorBar": "\u2957", "DownTee": "\u22A4", "DownTeeArrow": "\u21A7", "drbkarow": "\u2910", "drcorn": "\u231F", "drcrop": "\u230C", "dscr": "\u{1D4B9}", "Dscr": "\u{1D49F}", "dscy": "\u0455", "DScy": "\u0405", "dsol": "\u29F6", "dstrok": "\u0111", "Dstrok": "\u0110", "dtdot": "\u22F1", "dtri": "\u25BF", "dtrif": "\u25BE", "duarr": "\u21F5", "duhar": "\u296F", "dwangle": "\u29A6", "dzcy": "\u045F", "DZcy": "\u040F", "dzigrarr": "\u27FF", "eacute": "\xE9", "Eacute": "\xC9", "easter": "\u2A6E", "ecaron": "\u011B", "Ecaron": "\u011A", "ecir": "\u2256", "ecirc": "\xEA", "Ecirc": "\xCA", "ecolon": "\u2255", "ecy": "\u044D", "Ecy": "\u042D", "eDDot": "\u2A77", "edot": "\u0117", "eDot": "\u2251", "Edot": "\u0116", "ee": "\u2147", "efDot": "\u2252", "efr": "\u{1D522}", "Efr": "\u{1D508}", "eg": "\u2A9A", "egrave": "\xE8", "Egrave": "\xC8", "egs": "\u2A96", "egsdot": "\u2A98", "el": "\u2A99", "Element": "\u2208", "elinters": "\u23E7", "ell": "\u2113", "els": "\u2A95", "elsdot": "\u2A97", "emacr": "\u0113", "Emacr": "\u0112", "empty": "\u2205", "emptyset": "\u2205", "EmptySmallSquare": "\u25FB", "emptyv": "\u2205", "EmptyVerySmallSquare": "\u25AB", "emsp": "\u2003", "emsp13": "\u2004", "emsp14": "\u2005", "eng": "\u014B", "ENG": "\u014A", "ensp": "\u2002", "eogon": "\u0119", "Eogon": "\u0118", "eopf": "\u{1D556}", "Eopf": "\u{1D53C}", "epar": "\u22D5", "eparsl": "\u29E3", "eplus": "\u2A71", "epsi": "\u03B5", "epsilon": "\u03B5", "Epsilon": "\u0395", "epsiv": "\u03F5", "eqcirc": "\u2256", "eqcolon": "\u2255", "eqsim": "\u2242", "eqslantgtr": "\u2A96", "eqslantless": "\u2A95", "Equal": "\u2A75", "equals": "=", "EqualTilde": "\u2242", "equest": "\u225F", "Equilibrium": "\u21CC", "equiv": "\u2261", "equivDD": "\u2A78", "eqvparsl": "\u29E5", "erarr": "\u2971", "erDot": "\u2253", "escr": "\u212F", "Escr": "\u2130", "esdot": "\u2250", "esim": "\u2242", "Esim": "\u2A73", "eta": "\u03B7", "Eta": "\u0397", "eth": "\xF0", "ETH": "\xD0", "euml": "\xEB", "Euml": "\xCB", "euro": "\u20AC", "excl": "!", "exist": "\u2203", "Exists": "\u2203", "expectation": "\u2130", "exponentiale": "\u2147", "ExponentialE": "\u2147", "fallingdotseq": "\u2252", "fcy": "\u0444", "Fcy": "\u0424", "female": "\u2640", "ffilig": "\uFB03", "fflig": "\uFB00", "ffllig": "\uFB04", "ffr": "\u{1D523}", "Ffr": "\u{1D509}", "filig": "\uFB01", "FilledSmallSquare": "\u25FC", "FilledVerySmallSquare": "\u25AA", "fjlig": "fj", "flat": "\u266D", "fllig": "\uFB02", "fltns": "\u25B1", "fnof": "\u0192", "fopf": "\u{1D557}", "Fopf": "\u{1D53D}", "forall": "\u2200", "ForAll": "\u2200", "fork": "\u22D4", "forkv": "\u2AD9", "Fouriertrf": "\u2131", "fpartint": "\u2A0D", "frac12": "\xBD", "frac13": "\u2153", "frac14": "\xBC", "frac15": "\u2155", "frac16": "\u2159", "frac18": "\u215B", "frac23": "\u2154", "frac25": "\u2156", "frac34": "\xBE", "frac35": "\u2157", "frac38": "\u215C", "frac45": "\u2158", "frac56": "\u215A", "frac58": "\u215D", "frac78": "\u215E", "frasl": "\u2044", "frown": "\u2322", "fscr": "\u{1D4BB}", "Fscr": "\u2131", "gacute": "\u01F5", "gamma": "\u03B3", "Gamma": "\u0393", "gammad": "\u03DD", "Gammad": "\u03DC", "gap": "\u2A86", "gbreve": "\u011F", "Gbreve": "\u011E", "Gcedil": "\u0122", "gcirc": "\u011D", "Gcirc": "\u011C", "gcy": "\u0433", "Gcy": "\u0413", "gdot": "\u0121", "Gdot": "\u0120", "ge": "\u2265", "gE": "\u2267", "gel": "\u22DB", "gEl": "\u2A8C", "geq": "\u2265", "geqq": "\u2267", "geqslant": "\u2A7E", "ges": "\u2A7E", "gescc": "\u2AA9", "gesdot": "\u2A80", "gesdoto": "\u2A82", "gesdotol": "\u2A84", "gesl": "\u22DB\uFE00", "gesles": "\u2A94", "gfr": "\u{1D524}", "Gfr": "\u{1D50A}", "gg": "\u226B", "Gg": "\u22D9", "ggg": "\u22D9", "gimel": "\u2137", "gjcy": "\u0453", "GJcy": "\u0403", "gl": "\u2277", "gla": "\u2AA5", "glE": "\u2A92", "glj": "\u2AA4", "gnap": "\u2A8A", "gnapprox": "\u2A8A", "gne": "\u2A88", "gnE": "\u2269", "gneq": "\u2A88", "gneqq": "\u2269", "gnsim": "\u22E7", "gopf": "\u{1D558}", "Gopf": "\u{1D53E}", "grave": "`", "GreaterEqual": "\u2265", "GreaterEqualLess": "\u22DB", "GreaterFullEqual": "\u2267", "GreaterGreater": "\u2AA2", "GreaterLess": "\u2277", "GreaterSlantEqual": "\u2A7E", "GreaterTilde": "\u2273", "gscr": "\u210A", "Gscr": "\u{1D4A2}", "gsim": "\u2273", "gsime": "\u2A8E", "gsiml": "\u2A90", "gt": ">", "Gt": "\u226B", "GT": ">", "gtcc": "\u2AA7", "gtcir": "\u2A7A", "gtdot": "\u22D7", "gtlPar": "\u2995", "gtquest": "\u2A7C", "gtrapprox": "\u2A86", "gtrarr": "\u2978", "gtrdot": "\u22D7", "gtreqless": "\u22DB", "gtreqqless": "\u2A8C", "gtrless": "\u2277", "gtrsim": "\u2273", "gvertneqq": "\u2269\uFE00", "gvnE": "\u2269\uFE00", "Hacek": "\u02C7", "hairsp": "\u200A", "half": "\xBD", "hamilt": "\u210B", "hardcy": "\u044A", "HARDcy": "\u042A", "harr": "\u2194", "hArr": "\u21D4", "harrcir": "\u2948", "harrw": "\u21AD", "Hat": "^", "hbar": "\u210F", "hcirc": "\u0125", "Hcirc": "\u0124", "hearts": "\u2665", "heartsuit": "\u2665", "hellip": "\u2026", "hercon": "\u22B9", "hfr": "\u{1D525}", "Hfr": "\u210C", "HilbertSpace": "\u210B", "hksearow": "\u2925", "hkswarow": "\u2926", "hoarr": "\u21FF", "homtht": "\u223B", "hookleftarrow": "\u21A9", "hookrightarrow": "\u21AA", "hopf": "\u{1D559}", "Hopf": "\u210D", "horbar": "\u2015", "HorizontalLine": "\u2500", "hscr": "\u{1D4BD}", "Hscr": "\u210B", "hslash": "\u210F", "hstrok": "\u0127", "Hstrok": "\u0126", "HumpDownHump": "\u224E", "HumpEqual": "\u224F", "hybull": "\u2043", "hyphen": "\u2010", "iacute": "\xED", "Iacute": "\xCD", "ic": "\u2063", "icirc": "\xEE", "Icirc": "\xCE", "icy": "\u0438", "Icy": "\u0418", "Idot": "\u0130", "iecy": "\u0435", "IEcy": "\u0415", "iexcl": "\xA1", "iff": "\u21D4", "ifr": "\u{1D526}", "Ifr": "\u2111", "igrave": "\xEC", "Igrave": "\xCC", "ii": "\u2148", "iiiint": "\u2A0C", "iiint": "\u222D", "iinfin": "\u29DC", "iiota": "\u2129", "ijlig": "\u0133", "IJlig": "\u0132", "Im": "\u2111", "imacr": "\u012B", "Imacr": "\u012A", "image": "\u2111", "ImaginaryI": "\u2148", "imagline": "\u2110", "imagpart": "\u2111", "imath": "\u0131", "imof": "\u22B7", "imped": "\u01B5", "Implies": "\u21D2", "in": "\u2208", "incare": "\u2105", "infin": "\u221E", "infintie": "\u29DD", "inodot": "\u0131", "int": "\u222B", "Int": "\u222C", "intcal": "\u22BA", "integers": "\u2124", "Integral": "\u222B", "intercal": "\u22BA", "Intersection": "\u22C2", "intlarhk": "\u2A17", "intprod": "\u2A3C", "InvisibleComma": "\u2063", "InvisibleTimes": "\u2062", "iocy": "\u0451", "IOcy": "\u0401", "iogon": "\u012F", "Iogon": "\u012E", "iopf": "\u{1D55A}", "Iopf": "\u{1D540}", "iota": "\u03B9", "Iota": "\u0399", "iprod": "\u2A3C", "iquest": "\xBF", "iscr": "\u{1D4BE}", "Iscr": "\u2110", "isin": "\u2208", "isindot": "\u22F5", "isinE": "\u22F9", "isins": "\u22F4", "isinsv": "\u22F3", "isinv": "\u2208", "it": "\u2062", "itilde": "\u0129", "Itilde": "\u0128", "iukcy": "\u0456", "Iukcy": "\u0406", "iuml": "\xEF", "Iuml": "\xCF", "jcirc": "\u0135", "Jcirc": "\u0134", "jcy": "\u0439", "Jcy": "\u0419", "jfr": "\u{1D527}", "Jfr": "\u{1D50D}", "jmath": "\u0237", "jopf": "\u{1D55B}", "Jopf": "\u{1D541}", "jscr": "\u{1D4BF}", "Jscr": "\u{1D4A5}", "jsercy": "\u0458", "Jsercy": "\u0408", "jukcy": "\u0454", "Jukcy": "\u0404", "kappa": "\u03BA", "Kappa": "\u039A", "kappav": "\u03F0", "kcedil": "\u0137", "Kcedil": "\u0136", "kcy": "\u043A", "Kcy": "\u041A", "kfr": "\u{1D528}", "Kfr": "\u{1D50E}", "kgreen": "\u0138", "khcy": "\u0445", "KHcy": "\u0425", "kjcy": "\u045C", "KJcy": "\u040C", "kopf": "\u{1D55C}", "Kopf": "\u{1D542}", "kscr": "\u{1D4C0}", "Kscr": "\u{1D4A6}", "lAarr": "\u21DA", "lacute": "\u013A", "Lacute": "\u0139", "laemptyv": "\u29B4", "lagran": "\u2112", "lambda": "\u03BB", "Lambda": "\u039B", "lang": "\u27E8", "Lang": "\u27EA", "langd": "\u2991", "langle": "\u27E8", "lap": "\u2A85", "Laplacetrf": "\u2112", "laquo": "\xAB", "larr": "\u2190", "lArr": "\u21D0", "Larr": "\u219E", "larrb": "\u21E4", "larrbfs": "\u291F", "larrfs": "\u291D", "larrhk": "\u21A9", "larrlp": "\u21AB", "larrpl": "\u2939", "larrsim": "\u2973", "larrtl": "\u21A2", "lat": "\u2AAB", "latail": "\u2919", "lAtail": "\u291B", "late": "\u2AAD", "lates": "\u2AAD\uFE00", "lbarr": "\u290C", "lBarr": "\u290E", "lbbrk": "\u2772", "lbrace": "{", "lbrack": "[", "lbrke": "\u298B", "lbrksld": "\u298F", "lbrkslu": "\u298D", "lcaron": "\u013E", "Lcaron": "\u013D", "lcedil": "\u013C", "Lcedil": "\u013B", "lceil": "\u2308", "lcub": "{", "lcy": "\u043B", "Lcy": "\u041B", "ldca": "\u2936", "ldquo": "\u201C", "ldquor": "\u201E", "ldrdhar": "\u2967", "ldrushar": "\u294B", "ldsh": "\u21B2", "le": "\u2264", "lE": "\u2266", "LeftAngleBracket": "\u27E8", "leftarrow": "\u2190", "Leftarrow": "\u21D0", "LeftArrow": "\u2190", "LeftArrowBar": "\u21E4", "LeftArrowRightArrow": "\u21C6", "leftarrowtail": "\u21A2", "LeftCeiling": "\u2308", "LeftDoubleBracket": "\u27E6", "LeftDownTeeVector": "\u2961", "LeftDownVector": "\u21C3", "LeftDownVectorBar": "\u2959", "LeftFloor": "\u230A", "leftharpoondown": "\u21BD", "leftharpoonup": "\u21BC", "leftleftarrows": "\u21C7", "leftrightarrow": "\u2194", "Leftrightarrow": "\u21D4", "LeftRightArrow": "\u2194", "leftrightarrows": "\u21C6", "leftrightharpoons": "\u21CB", "leftrightsquigarrow": "\u21AD", "LeftRightVector": "\u294E", "LeftTee": "\u22A3", "LeftTeeArrow": "\u21A4", "LeftTeeVector": "\u295A", "leftthreetimes": "\u22CB", "LeftTriangle": "\u22B2", "LeftTriangleBar": "\u29CF", "LeftTriangleEqual": "\u22B4", "LeftUpDownVector": "\u2951", "LeftUpTeeVector": "\u2960", "LeftUpVector": "\u21BF", "LeftUpVectorBar": "\u2958", "LeftVector": "\u21BC", "LeftVectorBar": "\u2952", "leg": "\u22DA", "lEg": "\u2A8B", "leq": "\u2264", "leqq": "\u2266", "leqslant": "\u2A7D", "les": "\u2A7D", "lescc": "\u2AA8", "lesdot": "\u2A7F", "lesdoto": "\u2A81", "lesdotor": "\u2A83", "lesg": "\u22DA\uFE00", "lesges": "\u2A93", "lessapprox": "\u2A85", "lessdot": "\u22D6", "lesseqgtr": "\u22DA", "lesseqqgtr": "\u2A8B", "LessEqualGreater": "\u22DA", "LessFullEqual": "\u2266", "LessGreater": "\u2276", "lessgtr": "\u2276", "LessLess": "\u2AA1", "lesssim": "\u2272", "LessSlantEqual": "\u2A7D", "LessTilde": "\u2272", "lfisht": "\u297C", "lfloor": "\u230A", "lfr": "\u{1D529}", "Lfr": "\u{1D50F}", "lg": "\u2276", "lgE": "\u2A91", "lHar": "\u2962", "lhard": "\u21BD", "lharu": "\u21BC", "lharul": "\u296A", "lhblk": "\u2584", "ljcy": "\u0459", "LJcy": "\u0409", "ll": "\u226A", "Ll": "\u22D8", "llarr": "\u21C7", "llcorner": "\u231E", "Lleftarrow": "\u21DA", "llhard": "\u296B", "lltri": "\u25FA", "lmidot": "\u0140", "Lmidot": "\u013F", "lmoust": "\u23B0", "lmoustache": "\u23B0", "lnap": "\u2A89", "lnapprox": "\u2A89", "lne": "\u2A87", "lnE": "\u2268", "lneq": "\u2A87", "lneqq": "\u2268", "lnsim": "\u22E6", "loang": "\u27EC", "loarr": "\u21FD", "lobrk": "\u27E6", "longleftarrow": "\u27F5", "Longleftarrow": "\u27F8", "LongLeftArrow": "\u27F5", "longleftrightarrow": "\u27F7", "Longleftrightarrow": "\u27FA", "LongLeftRightArrow": "\u27F7", "longmapsto": "\u27FC", "longrightarrow": "\u27F6", "Longrightarrow": "\u27F9", "LongRightArrow": "\u27F6", "looparrowleft": "\u21AB", "looparrowright": "\u21AC", "lopar": "\u2985", "lopf": "\u{1D55D}", "Lopf": "\u{1D543}", "loplus": "\u2A2D", "lotimes": "\u2A34", "lowast": "\u2217", "lowbar": "_", "LowerLeftArrow": "\u2199", "LowerRightArrow": "\u2198", "loz": "\u25CA", "lozenge": "\u25CA", "lozf": "\u29EB", "lpar": "(", "lparlt": "\u2993", "lrarr": "\u21C6", "lrcorner": "\u231F", "lrhar": "\u21CB", "lrhard": "\u296D", "lrm": "\u200E", "lrtri": "\u22BF", "lsaquo": "\u2039", "lscr": "\u{1D4C1}", "Lscr": "\u2112", "lsh": "\u21B0", "Lsh": "\u21B0", "lsim": "\u2272", "lsime": "\u2A8D", "lsimg": "\u2A8F", "lsqb": "[", "lsquo": "\u2018", "lsquor": "\u201A", "lstrok": "\u0142", "Lstrok": "\u0141", "lt": "<", "Lt": "\u226A", "LT": "<", "ltcc": "\u2AA6", "ltcir": "\u2A79", "ltdot": "\u22D6", "lthree": "\u22CB", "ltimes": "\u22C9", "ltlarr": "\u2976", "ltquest": "\u2A7B", "ltri": "\u25C3", "ltrie": "\u22B4", "ltrif": "\u25C2", "ltrPar": "\u2996", "lurdshar": "\u294A", "luruhar": "\u2966", "lvertneqq": "\u2268\uFE00", "lvnE": "\u2268\uFE00", "macr": "\xAF", "male": "\u2642", "malt": "\u2720", "maltese": "\u2720", "map": "\u21A6", "Map": "\u2905", "mapsto": "\u21A6", "mapstodown": "\u21A7", "mapstoleft": "\u21A4", "mapstoup": "\u21A5", "marker": "\u25AE", "mcomma": "\u2A29", "mcy": "\u043C", "Mcy": "\u041C", "mdash": "\u2014", "mDDot": "\u223A", "measuredangle": "\u2221", "MediumSpace": "\u205F", "Mellintrf": "\u2133", "mfr": "\u{1D52A}", "Mfr": "\u{1D510}", "mho": "\u2127", "micro": "\xB5", "mid": "\u2223", "midast": "*", "midcir": "\u2AF0", "middot": "\xB7", "minus": "\u2212", "minusb": "\u229F", "minusd": "\u2238", "minusdu": "\u2A2A", "MinusPlus": "\u2213", "mlcp": "\u2ADB", "mldr": "\u2026", "mnplus": "\u2213", "models": "\u22A7", "mopf": "\u{1D55E}", "Mopf": "\u{1D544}", "mp": "\u2213", "mscr": "\u{1D4C2}", "Mscr": "\u2133", "mstpos": "\u223E", "mu": "\u03BC", "Mu": "\u039C", "multimap": "\u22B8", "mumap": "\u22B8", "nabla": "\u2207", "nacute": "\u0144", "Nacute": "\u0143", "nang": "\u2220\u20D2", "nap": "\u2249", "napE": "\u2A70\u0338", "napid": "\u224B\u0338", "napos": "\u0149", "napprox": "\u2249", "natur": "\u266E", "natural": "\u266E", "naturals": "\u2115", "nbsp": "\xA0", "nbump": "\u224E\u0338", "nbumpe": "\u224F\u0338", "ncap": "\u2A43", "ncaron": "\u0148", "Ncaron": "\u0147", "ncedil": "\u0146", "Ncedil": "\u0145", "ncong": "\u2247", "ncongdot": "\u2A6D\u0338", "ncup": "\u2A42", "ncy": "\u043D", "Ncy": "\u041D", "ndash": "\u2013", "ne": "\u2260", "nearhk": "\u2924", "nearr": "\u2197", "neArr": "\u21D7", "nearrow": "\u2197", "nedot": "\u2250\u0338", "NegativeMediumSpace": "\u200B", "NegativeThickSpace": "\u200B", "NegativeThinSpace": "\u200B", "NegativeVeryThinSpace": "\u200B", "nequiv": "\u2262", "nesear": "\u2928", "nesim": "\u2242\u0338", "NestedGreaterGreater": "\u226B", "NestedLessLess": "\u226A", "NewLine": "\n", "nexist": "\u2204", "nexists": "\u2204", "nfr": "\u{1D52B}", "Nfr": "\u{1D511}", "nge": "\u2271", "ngE": "\u2267\u0338", "ngeq": "\u2271", "ngeqq": "\u2267\u0338", "ngeqslant": "\u2A7E\u0338", "nges": "\u2A7E\u0338", "nGg": "\u22D9\u0338", "ngsim": "\u2275", "ngt": "\u226F", "nGt": "\u226B\u20D2", "ngtr": "\u226F", "nGtv": "\u226B\u0338", "nharr": "\u21AE", "nhArr": "\u21CE", "nhpar": "\u2AF2", "ni": "\u220B", "nis": "\u22FC", "nisd": "\u22FA", "niv": "\u220B", "njcy": "\u045A", "NJcy": "\u040A", "nlarr": "\u219A", "nlArr": "\u21CD", "nldr": "\u2025", "nle": "\u2270", "nlE": "\u2266\u0338", "nleftarrow": "\u219A", "nLeftarrow": "\u21CD", "nleftrightarrow": "\u21AE", "nLeftrightarrow": "\u21CE", "nleq": "\u2270", "nleqq": "\u2266\u0338", "nleqslant": "\u2A7D\u0338", "nles": "\u2A7D\u0338", "nless": "\u226E", "nLl": "\u22D8\u0338", "nlsim": "\u2274", "nlt": "\u226E", "nLt": "\u226A\u20D2", "nltri": "\u22EA", "nltrie": "\u22EC", "nLtv": "\u226A\u0338", "nmid": "\u2224", "NoBreak": "\u2060", "NonBreakingSpace": "\xA0", "nopf": "\u{1D55F}", "Nopf": "\u2115", "not": "\xAC", "Not": "\u2AEC", "NotCongruent": "\u2262", "NotCupCap": "\u226D", "NotDoubleVerticalBar": "\u2226", "NotElement": "\u2209", "NotEqual": "\u2260", "NotEqualTilde": "\u2242\u0338", "NotExists": "\u2204", "NotGreater": "\u226F", "NotGreaterEqual": "\u2271", "NotGreaterFullEqual": "\u2267\u0338", "NotGreaterGreater": "\u226B\u0338", "NotGreaterLess": "\u2279", "NotGreaterSlantEqual": "\u2A7E\u0338", "NotGreaterTilde": "\u2275", "NotHumpDownHump": "\u224E\u0338", "NotHumpEqual": "\u224F\u0338", "notin": "\u2209", "notindot": "\u22F5\u0338", "notinE": "\u22F9\u0338", "notinva": "\u2209", "notinvb": "\u22F7", "notinvc": "\u22F6", "NotLeftTriangle": "\u22EA", "NotLeftTriangleBar": "\u29CF\u0338", "NotLeftTriangleEqual": "\u22EC", "NotLess": "\u226E", "NotLessEqual": "\u2270", "NotLessGreater": "\u2278", "NotLessLess": "\u226A\u0338", "NotLessSlantEqual": "\u2A7D\u0338", "NotLessTilde": "\u2274", "NotNestedGreaterGreater": "\u2AA2\u0338", "NotNestedLessLess": "\u2AA1\u0338", "notni": "\u220C", "notniva": "\u220C", "notnivb": "\u22FE", "notnivc": "\u22FD", "NotPrecedes": "\u2280", "NotPrecedesEqual": "\u2AAF\u0338", "NotPrecedesSlantEqual": "\u22E0", "NotReverseElement": "\u220C", "NotRightTriangle": "\u22EB", "NotRightTriangleBar": "\u29D0\u0338", "NotRightTriangleEqual": "\u22ED", "NotSquareSubset": "\u228F\u0338", "NotSquareSubsetEqual": "\u22E2", "NotSquareSuperset": "\u2290\u0338", "NotSquareSupersetEqual": "\u22E3", "NotSubset": "\u2282\u20D2", "NotSubsetEqual": "\u2288", "NotSucceeds": "\u2281", "NotSucceedsEqual": "\u2AB0\u0338", "NotSucceedsSlantEqual": "\u22E1", "NotSucceedsTilde": "\u227F\u0338", "NotSuperset": "\u2283\u20D2", "NotSupersetEqual": "\u2289", "NotTilde": "\u2241", "NotTildeEqual": "\u2244", "NotTildeFullEqual": "\u2247", "NotTildeTilde": "\u2249", "NotVerticalBar": "\u2224", "npar": "\u2226", "nparallel": "\u2226", "nparsl": "\u2AFD\u20E5", "npart": "\u2202\u0338", "npolint": "\u2A14", "npr": "\u2280", "nprcue": "\u22E0", "npre": "\u2AAF\u0338", "nprec": "\u2280", "npreceq": "\u2AAF\u0338", "nrarr": "\u219B", "nrArr": "\u21CF", "nrarrc": "\u2933\u0338", "nrarrw": "\u219D\u0338", "nrightarrow": "\u219B", "nRightarrow": "\u21CF", "nrtri": "\u22EB", "nrtrie": "\u22ED", "nsc": "\u2281", "nsccue": "\u22E1", "nsce": "\u2AB0\u0338", "nscr": "\u{1D4C3}", "Nscr": "\u{1D4A9}", "nshortmid": "\u2224", "nshortparallel": "\u2226", "nsim": "\u2241", "nsime": "\u2244", "nsimeq": "\u2244", "nsmid": "\u2224", "nspar": "\u2226", "nsqsube": "\u22E2", "nsqsupe": "\u22E3", "nsub": "\u2284", "nsube": "\u2288", "nsubE": "\u2AC5\u0338", "nsubset": "\u2282\u20D2", "nsubseteq": "\u2288", "nsubseteqq": "\u2AC5\u0338", "nsucc": "\u2281", "nsucceq": "\u2AB0\u0338", "nsup": "\u2285", "nsupe": "\u2289", "nsupE": "\u2AC6\u0338", "nsupset": "\u2283\u20D2", "nsupseteq": "\u2289", "nsupseteqq": "\u2AC6\u0338", "ntgl": "\u2279", "ntilde": "\xF1", "Ntilde": "\xD1", "ntlg": "\u2278", "ntriangleleft": "\u22EA", "ntrianglelefteq": "\u22EC", "ntriangleright": "\u22EB", "ntrianglerighteq": "\u22ED", "nu": "\u03BD", "Nu": "\u039D", "num": "#", "numero": "\u2116", "numsp": "\u2007", "nvap": "\u224D\u20D2", "nvdash": "\u22AC", "nvDash": "\u22AD", "nVdash": "\u22AE", "nVDash": "\u22AF", "nvge": "\u2265\u20D2", "nvgt": ">\u20D2", "nvHarr": "\u2904", "nvinfin": "\u29DE", "nvlArr": "\u2902", "nvle": "\u2264\u20D2", "nvlt": "<\u20D2", "nvltrie": "\u22B4\u20D2", "nvrArr": "\u2903", "nvrtrie": "\u22B5\u20D2", "nvsim": "\u223C\u20D2", "nwarhk": "\u2923", "nwarr": "\u2196", "nwArr": "\u21D6", "nwarrow": "\u2196", "nwnear": "\u2927", "oacute": "\xF3", "Oacute": "\xD3", "oast": "\u229B", "ocir": "\u229A", "ocirc": "\xF4", "Ocirc": "\xD4", "ocy": "\u043E", "Ocy": "\u041E", "odash": "\u229D", "odblac": "\u0151", "Odblac": "\u0150", "odiv": "\u2A38", "odot": "\u2299", "odsold": "\u29BC", "oelig": "\u0153", "OElig": "\u0152", "ofcir": "\u29BF", "ofr": "\u{1D52C}", "Ofr": "\u{1D512}", "ogon": "\u02DB", "ograve": "\xF2", "Ograve": "\xD2", "ogt": "\u29C1", "ohbar": "\u29B5", "ohm": "\u03A9", "oint": "\u222E", "olarr": "\u21BA", "olcir": "\u29BE", "olcross": "\u29BB", "oline": "\u203E", "olt": "\u29C0", "omacr": "\u014D", "Omacr": "\u014C", "omega": "\u03C9", "Omega": "\u03A9", "omicron": "\u03BF", "Omicron": "\u039F", "omid": "\u29B6", "ominus": "\u2296", "oopf": "\u{1D560}", "Oopf": "\u{1D546}", "opar": "\u29B7", "OpenCurlyDoubleQuote": "\u201C", "OpenCurlyQuote": "\u2018", "operp": "\u29B9", "oplus": "\u2295", "or": "\u2228", "Or": "\u2A54", "orarr": "\u21BB", "ord": "\u2A5D", "order": "\u2134", "orderof": "\u2134", "ordf": "\xAA", "ordm": "\xBA", "origof": "\u22B6", "oror": "\u2A56", "orslope": "\u2A57", "orv": "\u2A5B", "oS": "\u24C8", "oscr": "\u2134", "Oscr": "\u{1D4AA}", "oslash": "\xF8", "Oslash": "\xD8", "osol": "\u2298", "otilde": "\xF5", "Otilde": "\xD5", "otimes": "\u2297", "Otimes": "\u2A37", "otimesas": "\u2A36", "ouml": "\xF6", "Ouml": "\xD6", "ovbar": "\u233D", "OverBar": "\u203E", "OverBrace": "\u23DE", "OverBracket": "\u23B4", "OverParenthesis": "\u23DC", "par": "\u2225", "para": "\xB6", "parallel": "\u2225", "parsim": "\u2AF3", "parsl": "\u2AFD", "part": "\u2202", "PartialD": "\u2202", "pcy": "\u043F", "Pcy": "\u041F", "percnt": "%", "period": ".", "permil": "\u2030", "perp": "\u22A5", "pertenk": "\u2031", "pfr": "\u{1D52D}", "Pfr": "\u{1D513}", "phi": "\u03C6", "Phi": "\u03A6", "phiv": "\u03D5", "phmmat": "\u2133", "phone": "\u260E", "pi": "\u03C0", "Pi": "\u03A0", "pitchfork": "\u22D4", "piv": "\u03D6", "planck": "\u210F", "planckh": "\u210E", "plankv": "\u210F", "plus": "+", "plusacir": "\u2A23", "plusb": "\u229E", "pluscir": "\u2A22", "plusdo": "\u2214", "plusdu": "\u2A25", "pluse": "\u2A72", "PlusMinus": "\xB1", "plusmn": "\xB1", "plussim": "\u2A26", "plustwo": "\u2A27", "pm": "\xB1", "Poincareplane": "\u210C", "pointint": "\u2A15", "popf": "\u{1D561}", "Popf": "\u2119", "pound": "\xA3", "pr": "\u227A", "Pr": "\u2ABB", "prap": "\u2AB7", "prcue": "\u227C", "pre": "\u2AAF", "prE": "\u2AB3", "prec": "\u227A", "precapprox": "\u2AB7", "preccurlyeq": "\u227C", "Precedes": "\u227A", "PrecedesEqual": "\u2AAF", "PrecedesSlantEqual": "\u227C", "PrecedesTilde": "\u227E", "preceq": "\u2AAF", "precnapprox": "\u2AB9", "precneqq": "\u2AB5", "precnsim": "\u22E8", "precsim": "\u227E", "prime": "\u2032", "Prime": "\u2033", "primes": "\u2119", "prnap": "\u2AB9", "prnE": "\u2AB5", "prnsim": "\u22E8", "prod": "\u220F", "Product": "\u220F", "profalar": "\u232E", "profline": "\u2312", "profsurf": "\u2313", "prop": "\u221D", "Proportion": "\u2237", "Proportional": "\u221D", "propto": "\u221D", "prsim": "\u227E", "prurel": "\u22B0", "pscr": "\u{1D4C5}", "Pscr": "\u{1D4AB}", "psi": "\u03C8", "Psi": "\u03A8", "puncsp": "\u2008", "qfr": "\u{1D52E}", "Qfr": "\u{1D514}", "qint": "\u2A0C", "qopf": "\u{1D562}", "Qopf": "\u211A", "qprime": "\u2057", "qscr": "\u{1D4C6}", "Qscr": "\u{1D4AC}", "quaternions": "\u210D", "quatint": "\u2A16", "quest": "?", "questeq": "\u225F", "quot": '"', "QUOT": '"', "rAarr": "\u21DB", "race": "\u223D\u0331", "racute": "\u0155", "Racute": "\u0154", "radic": "\u221A", "raemptyv": "\u29B3", "rang": "\u27E9", "Rang": "\u27EB", "rangd": "\u2992", "range": "\u29A5", "rangle": "\u27E9", "raquo": "\xBB", "rarr": "\u2192", "rArr": "\u21D2", "Rarr": "\u21A0", "rarrap": "\u2975", "rarrb": "\u21E5", "rarrbfs": "\u2920", "rarrc": "\u2933", "rarrfs": "\u291E", "rarrhk": "\u21AA", "rarrlp": "\u21AC", "rarrpl": "\u2945", "rarrsim": "\u2974", "rarrtl": "\u21A3", "Rarrtl": "\u2916", "rarrw": "\u219D", "ratail": "\u291A", "rAtail": "\u291C", "ratio": "\u2236", "rationals": "\u211A", "rbarr": "\u290D", "rBarr": "\u290F", "RBarr": "\u2910", "rbbrk": "\u2773", "rbrace": "}", "rbrack": "]", "rbrke": "\u298C", "rbrksld": "\u298E", "rbrkslu": "\u2990", "rcaron": "\u0159", "Rcaron": "\u0158", "rcedil": "\u0157", "Rcedil": "\u0156", "rceil": "\u2309", "rcub": "}", "rcy": "\u0440", "Rcy": "\u0420", "rdca": "\u2937", "rdldhar": "\u2969", "rdquo": "\u201D", "rdquor": "\u201D", "rdsh": "\u21B3", "Re": "\u211C", "real": "\u211C", "realine": "\u211B", "realpart": "\u211C", "reals": "\u211D", "rect": "\u25AD", "reg": "\xAE", "REG": "\xAE", "ReverseElement": "\u220B", "ReverseEquilibrium": "\u21CB", "ReverseUpEquilibrium": "\u296F", "rfisht": "\u297D", "rfloor": "\u230B", "rfr": "\u{1D52F}", "Rfr": "\u211C", "rHar": "\u2964", "rhard": "\u21C1", "rharu": "\u21C0", "rharul": "\u296C", "rho": "\u03C1", "Rho": "\u03A1", "rhov": "\u03F1", "RightAngleBracket": "\u27E9", "rightarrow": "\u2192", "Rightarrow": "\u21D2", "RightArrow": "\u2192", "RightArrowBar": "\u21E5", "RightArrowLeftArrow": "\u21C4", "rightarrowtail": "\u21A3", "RightCeiling": "\u2309", "RightDoubleBracket": "\u27E7", "RightDownTeeVector": "\u295D", "RightDownVector": "\u21C2", "RightDownVectorBar": "\u2955", "RightFloor": "\u230B", "rightharpoondown": "\u21C1", "rightharpoonup": "\u21C0", "rightleftarrows": "\u21C4", "rightleftharpoons": "\u21CC", "rightrightarrows": "\u21C9", "rightsquigarrow": "\u219D", "RightTee": "\u22A2", "RightTeeArrow": "\u21A6", "RightTeeVector": "\u295B", "rightthreetimes": "\u22CC", "RightTriangle": "\u22B3", "RightTriangleBar": "\u29D0", "RightTriangleEqual": "\u22B5", "RightUpDownVector": "\u294F", "RightUpTeeVector": "\u295C", "RightUpVector": "\u21BE", "RightUpVectorBar": "\u2954", "RightVector": "\u21C0", "RightVectorBar": "\u2953", "ring": "\u02DA", "risingdotseq": "\u2253", "rlarr": "\u21C4", "rlhar": "\u21CC", "rlm": "\u200F", "rmoust": "\u23B1", "rmoustache": "\u23B1", "rnmid": "\u2AEE", "roang": "\u27ED", "roarr": "\u21FE", "robrk": "\u27E7", "ropar": "\u2986", "ropf": "\u{1D563}", "Ropf": "\u211D", "roplus": "\u2A2E", "rotimes": "\u2A35", "RoundImplies": "\u2970", "rpar": ")", "rpargt": "\u2994", "rppolint": "\u2A12", "rrarr": "\u21C9", "Rrightarrow": "\u21DB", "rsaquo": "\u203A", "rscr": "\u{1D4C7}", "Rscr": "\u211B", "rsh": "\u21B1", "Rsh": "\u21B1", "rsqb": "]", "rsquo": "\u2019", "rsquor": "\u2019", "rthree": "\u22CC", "rtimes": "\u22CA", "rtri": "\u25B9", "rtrie": "\u22B5", "rtrif": "\u25B8", "rtriltri": "\u29CE", "RuleDelayed": "\u29F4", "ruluhar": "\u2968", "rx": "\u211E", "sacute": "\u015B", "Sacute": "\u015A", "sbquo": "\u201A", "sc": "\u227B", "Sc": "\u2ABC", "scap": "\u2AB8", "scaron": "\u0161", "Scaron": "\u0160", "sccue": "\u227D", "sce": "\u2AB0", "scE": "\u2AB4", "scedil": "\u015F", "Scedil": "\u015E", "scirc": "\u015D", "Scirc": "\u015C", "scnap": "\u2ABA", "scnE": "\u2AB6", "scnsim": "\u22E9", "scpolint": "\u2A13", "scsim": "\u227F", "scy": "\u0441", "Scy": "\u0421", "sdot": "\u22C5", "sdotb": "\u22A1", "sdote": "\u2A66", "searhk": "\u2925", "searr": "\u2198", "seArr": "\u21D8", "searrow": "\u2198", "sect": "\xA7", "semi": ";", "seswar": "\u2929", "setminus": "\u2216", "setmn": "\u2216", "sext": "\u2736", "sfr": "\u{1D530}", "Sfr": "\u{1D516}", "sfrown": "\u2322", "sharp": "\u266F", "shchcy": "\u0449", "SHCHcy": "\u0429", "shcy": "\u0448", "SHcy": "\u0428", "ShortDownArrow": "\u2193", "ShortLeftArrow": "\u2190", "shortmid": "\u2223", "shortparallel": "\u2225", "ShortRightArrow": "\u2192", "ShortUpArrow": "\u2191", "shy": "\xAD", "sigma": "\u03C3", "Sigma": "\u03A3", "sigmaf": "\u03C2", "sigmav": "\u03C2", "sim": "\u223C", "simdot": "\u2A6A", "sime": "\u2243", "simeq": "\u2243", "simg": "\u2A9E", "simgE": "\u2AA0", "siml": "\u2A9D", "simlE": "\u2A9F", "simne": "\u2246", "simplus": "\u2A24", "simrarr": "\u2972", "slarr": "\u2190", "SmallCircle": "\u2218", "smallsetminus": "\u2216", "smashp": "\u2A33", "smeparsl": "\u29E4", "smid": "\u2223", "smile": "\u2323", "smt": "\u2AAA", "smte": "\u2AAC", "smtes": "\u2AAC\uFE00", "softcy": "\u044C", "SOFTcy": "\u042C", "sol": "/", "solb": "\u29C4", "solbar": "\u233F", "sopf": "\u{1D564}", "Sopf": "\u{1D54A}", "spades": "\u2660", "spadesuit": "\u2660", "spar": "\u2225", "sqcap": "\u2293", "sqcaps": "\u2293\uFE00", "sqcup": "\u2294", "sqcups": "\u2294\uFE00", "Sqrt": "\u221A", "sqsub": "\u228F", "sqsube": "\u2291", "sqsubset": "\u228F", "sqsubseteq": "\u2291", "sqsup": "\u2290", "sqsupe": "\u2292", "sqsupset": "\u2290", "sqsupseteq": "\u2292", "squ": "\u25A1", "square": "\u25A1", "Square": "\u25A1", "SquareIntersection": "\u2293", "SquareSubset": "\u228F", "SquareSubsetEqual": "\u2291", "SquareSuperset": "\u2290", "SquareSupersetEqual": "\u2292", "SquareUnion": "\u2294", "squarf": "\u25AA", "squf": "\u25AA", "srarr": "\u2192", "sscr": "\u{1D4C8}", "Sscr": "\u{1D4AE}", "ssetmn": "\u2216", "ssmile": "\u2323", "sstarf": "\u22C6", "star": "\u2606", "Star": "\u22C6", "starf": "\u2605", "straightepsilon": "\u03F5", "straightphi": "\u03D5", "strns": "\xAF", "sub": "\u2282", "Sub": "\u22D0", "subdot": "\u2ABD", "sube": "\u2286", "subE": "\u2AC5", "subedot": "\u2AC3", "submult": "\u2AC1", "subne": "\u228A", "subnE": "\u2ACB", "subplus": "\u2ABF", "subrarr": "\u2979", "subset": "\u2282", "Subset": "\u22D0", "subseteq": "\u2286", "subseteqq": "\u2AC5", "SubsetEqual": "\u2286", "subsetneq": "\u228A", "subsetneqq": "\u2ACB", "subsim": "\u2AC7", "subsub": "\u2AD5", "subsup": "\u2AD3", "succ": "\u227B", "succapprox": "\u2AB8", "succcurlyeq": "\u227D", "Succeeds": "\u227B", "SucceedsEqual": "\u2AB0", "SucceedsSlantEqual": "\u227D", "SucceedsTilde": "\u227F", "succeq": "\u2AB0", "succnapprox": "\u2ABA", "succneqq": "\u2AB6", "succnsim": "\u22E9", "succsim": "\u227F", "SuchThat": "\u220B", "sum": "\u2211", "Sum": "\u2211", "sung": "\u266A", "sup": "\u2283", "Sup": "\u22D1", "sup1": "\xB9", "sup2": "\xB2", "sup3": "\xB3", "supdot": "\u2ABE", "supdsub": "\u2AD8", "supe": "\u2287", "supE": "\u2AC6", "supedot": "\u2AC4", "Superset": "\u2283", "SupersetEqual": "\u2287", "suphsol": "\u27C9", "suphsub": "\u2AD7", "suplarr": "\u297B", "supmult": "\u2AC2", "supne": "\u228B", "supnE": "\u2ACC", "supplus": "\u2AC0", "supset": "\u2283", "Supset": "\u22D1", "supseteq": "\u2287", "supseteqq": "\u2AC6", "supsetneq": "\u228B", "supsetneqq": "\u2ACC", "supsim": "\u2AC8", "supsub": "\u2AD4", "supsup": "\u2AD6", "swarhk": "\u2926", "swarr": "\u2199", "swArr": "\u21D9", "swarrow": "\u2199", "swnwar": "\u292A", "szlig": "\xDF", "Tab": "	", "target": "\u2316", "tau": "\u03C4", "Tau": "\u03A4", "tbrk": "\u23B4", "tcaron": "\u0165", "Tcaron": "\u0164", "tcedil": "\u0163", "Tcedil": "\u0162", "tcy": "\u0442", "Tcy": "\u0422", "tdot": "\u20DB", "telrec": "\u2315", "tfr": "\u{1D531}", "Tfr": "\u{1D517}", "there4": "\u2234", "therefore": "\u2234", "Therefore": "\u2234", "theta": "\u03B8", "Theta": "\u0398", "thetasym": "\u03D1", "thetav": "\u03D1", "thickapprox": "\u2248", "thicksim": "\u223C", "ThickSpace": "\u205F\u200A", "thinsp": "\u2009", "ThinSpace": "\u2009", "thkap": "\u2248", "thksim": "\u223C", "thorn": "\xFE", "THORN": "\xDE", "tilde": "\u02DC", "Tilde": "\u223C", "TildeEqual": "\u2243", "TildeFullEqual": "\u2245", "TildeTilde": "\u2248", "times": "\xD7", "timesb": "\u22A0", "timesbar": "\u2A31", "timesd": "\u2A30", "tint": "\u222D", "toea": "\u2928", "top": "\u22A4", "topbot": "\u2336", "topcir": "\u2AF1", "topf": "\u{1D565}", "Topf": "\u{1D54B}", "topfork": "\u2ADA", "tosa": "\u2929", "tprime": "\u2034", "trade": "\u2122", "TRADE": "\u2122", "triangle": "\u25B5", "triangledown": "\u25BF", "triangleleft": "\u25C3", "trianglelefteq": "\u22B4", "triangleq": "\u225C", "triangleright": "\u25B9", "trianglerighteq": "\u22B5", "tridot": "\u25EC", "trie": "\u225C", "triminus": "\u2A3A", "TripleDot": "\u20DB", "triplus": "\u2A39", "trisb": "\u29CD", "tritime": "\u2A3B", "trpezium": "\u23E2", "tscr": "\u{1D4C9}", "Tscr": "\u{1D4AF}", "tscy": "\u0446", "TScy": "\u0426", "tshcy": "\u045B", "TSHcy": "\u040B", "tstrok": "\u0167", "Tstrok": "\u0166", "twixt": "\u226C", "twoheadleftarrow": "\u219E", "twoheadrightarrow": "\u21A0", "uacute": "\xFA", "Uacute": "\xDA", "uarr": "\u2191", "uArr": "\u21D1", "Uarr": "\u219F", "Uarrocir": "\u2949", "ubrcy": "\u045E", "Ubrcy": "\u040E", "ubreve": "\u016D", "Ubreve": "\u016C", "ucirc": "\xFB", "Ucirc": "\xDB", "ucy": "\u0443", "Ucy": "\u0423", "udarr": "\u21C5", "udblac": "\u0171", "Udblac": "\u0170", "udhar": "\u296E", "ufisht": "\u297E", "ufr": "\u{1D532}", "Ufr": "\u{1D518}", "ugrave": "\xF9", "Ugrave": "\xD9", "uHar": "\u2963", "uharl": "\u21BF", "uharr": "\u21BE", "uhblk": "\u2580", "ulcorn": "\u231C", "ulcorner": "\u231C", "ulcrop": "\u230F", "ultri": "\u25F8", "umacr": "\u016B", "Umacr": "\u016A", "uml": "\xA8", "UnderBar": "_", "UnderBrace": "\u23DF", "UnderBracket": "\u23B5", "UnderParenthesis": "\u23DD", "Union": "\u22C3", "UnionPlus": "\u228E", "uogon": "\u0173", "Uogon": "\u0172", "uopf": "\u{1D566}", "Uopf": "\u{1D54C}", "uparrow": "\u2191", "Uparrow": "\u21D1", "UpArrow": "\u2191", "UpArrowBar": "\u2912", "UpArrowDownArrow": "\u21C5", "updownarrow": "\u2195", "Updownarrow": "\u21D5", "UpDownArrow": "\u2195", "UpEquilibrium": "\u296E", "upharpoonleft": "\u21BF", "upharpoonright": "\u21BE", "uplus": "\u228E", "UpperLeftArrow": "\u2196", "UpperRightArrow": "\u2197", "upsi": "\u03C5", "Upsi": "\u03D2", "upsih": "\u03D2", "upsilon": "\u03C5", "Upsilon": "\u03A5", "UpTee": "\u22A5", "UpTeeArrow": "\u21A5", "upuparrows": "\u21C8", "urcorn": "\u231D", "urcorner": "\u231D", "urcrop": "\u230E", "uring": "\u016F", "Uring": "\u016E", "urtri": "\u25F9", "uscr": "\u{1D4CA}", "Uscr": "\u{1D4B0}", "utdot": "\u22F0", "utilde": "\u0169", "Utilde": "\u0168", "utri": "\u25B5", "utrif": "\u25B4", "uuarr": "\u21C8", "uuml": "\xFC", "Uuml": "\xDC", "uwangle": "\u29A7", "vangrt": "\u299C", "varepsilon": "\u03F5", "varkappa": "\u03F0", "varnothing": "\u2205", "varphi": "\u03D5", "varpi": "\u03D6", "varpropto": "\u221D", "varr": "\u2195", "vArr": "\u21D5", "varrho": "\u03F1", "varsigma": "\u03C2", "varsubsetneq": "\u228A\uFE00", "varsubsetneqq": "\u2ACB\uFE00", "varsupsetneq": "\u228B\uFE00", "varsupsetneqq": "\u2ACC\uFE00", "vartheta": "\u03D1", "vartriangleleft": "\u22B2", "vartriangleright": "\u22B3", "vBar": "\u2AE8", "Vbar": "\u2AEB", "vBarv": "\u2AE9", "vcy": "\u0432", "Vcy": "\u0412", "vdash": "\u22A2", "vDash": "\u22A8", "Vdash": "\u22A9", "VDash": "\u22AB", "Vdashl": "\u2AE6", "vee": "\u2228", "Vee": "\u22C1", "veebar": "\u22BB", "veeeq": "\u225A", "vellip": "\u22EE", "verbar": "|", "Verbar": "\u2016", "vert": "|", "Vert": "\u2016", "VerticalBar": "\u2223", "VerticalLine": "|", "VerticalSeparator": "\u2758", "VerticalTilde": "\u2240", "VeryThinSpace": "\u200A", "vfr": "\u{1D533}", "Vfr": "\u{1D519}", "vltri": "\u22B2", "vnsub": "\u2282\u20D2", "vnsup": "\u2283\u20D2", "vopf": "\u{1D567}", "Vopf": "\u{1D54D}", "vprop": "\u221D", "vrtri": "\u22B3", "vscr": "\u{1D4CB}", "Vscr": "\u{1D4B1}", "vsubne": "\u228A\uFE00", "vsubnE": "\u2ACB\uFE00", "vsupne": "\u228B\uFE00", "vsupnE": "\u2ACC\uFE00", "Vvdash": "\u22AA", "vzigzag": "\u299A", "wcirc": "\u0175", "Wcirc": "\u0174", "wedbar": "\u2A5F", "wedge": "\u2227", "Wedge": "\u22C0", "wedgeq": "\u2259", "weierp": "\u2118", "wfr": "\u{1D534}", "Wfr": "\u{1D51A}", "wopf": "\u{1D568}", "Wopf": "\u{1D54E}", "wp": "\u2118", "wr": "\u2240", "wreath": "\u2240", "wscr": "\u{1D4CC}", "Wscr": "\u{1D4B2}", "xcap": "\u22C2", "xcirc": "\u25EF", "xcup": "\u22C3", "xdtri": "\u25BD", "xfr": "\u{1D535}", "Xfr": "\u{1D51B}", "xharr": "\u27F7", "xhArr": "\u27FA", "xi": "\u03BE", "Xi": "\u039E", "xlarr": "\u27F5", "xlArr": "\u27F8", "xmap": "\u27FC", "xnis": "\u22FB", "xodot": "\u2A00", "xopf": "\u{1D569}", "Xopf": "\u{1D54F}", "xoplus": "\u2A01", "xotime": "\u2A02", "xrarr": "\u27F6", "xrArr": "\u27F9", "xscr": "\u{1D4CD}", "Xscr": "\u{1D4B3}", "xsqcup": "\u2A06", "xuplus": "\u2A04", "xutri": "\u25B3", "xvee": "\u22C1", "xwedge": "\u22C0", "yacute": "\xFD", "Yacute": "\xDD", "yacy": "\u044F", "YAcy": "\u042F", "ycirc": "\u0177", "Ycirc": "\u0176", "ycy": "\u044B", "Ycy": "\u042B", "yen": "\xA5", "yfr": "\u{1D536}", "Yfr": "\u{1D51C}", "yicy": "\u0457", "YIcy": "\u0407", "yopf": "\u{1D56A}", "Yopf": "\u{1D550}", "yscr": "\u{1D4CE}", "Yscr": "\u{1D4B4}", "yucy": "\u044E", "YUcy": "\u042E", "yuml": "\xFF", "Yuml": "\u0178", "zacute": "\u017A", "Zacute": "\u0179", "zcaron": "\u017E", "Zcaron": "\u017D", "zcy": "\u0437", "Zcy": "\u0417", "zdot": "\u017C", "Zdot": "\u017B", "zeetrf": "\u2128", "ZeroWidthSpace": "\u200B", "zeta": "\u03B6", "Zeta": "\u0396", "zfr": "\u{1D537}", "Zfr": "\u2128", "zhcy": "\u0436", "ZHcy": "\u0416", "zigrarr": "\u21DD", "zopf": "\u{1D56B}", "Zopf": "\u2124", "zscr": "\u{1D4CF}", "Zscr": "\u{1D4B5}", "zwj": "\u200D", "zwnj": "\u200C" };
      var decodeMapLegacy = { "aacute": "\xE1", "Aacute": "\xC1", "acirc": "\xE2", "Acirc": "\xC2", "acute": "\xB4", "aelig": "\xE6", "AElig": "\xC6", "agrave": "\xE0", "Agrave": "\xC0", "amp": "&", "AMP": "&", "aring": "\xE5", "Aring": "\xC5", "atilde": "\xE3", "Atilde": "\xC3", "auml": "\xE4", "Auml": "\xC4", "brvbar": "\xA6", "ccedil": "\xE7", "Ccedil": "\xC7", "cedil": "\xB8", "cent": "\xA2", "copy": "\xA9", "COPY": "\xA9", "curren": "\xA4", "deg": "\xB0", "divide": "\xF7", "eacute": "\xE9", "Eacute": "\xC9", "ecirc": "\xEA", "Ecirc": "\xCA", "egrave": "\xE8", "Egrave": "\xC8", "eth": "\xF0", "ETH": "\xD0", "euml": "\xEB", "Euml": "\xCB", "frac12": "\xBD", "frac14": "\xBC", "frac34": "\xBE", "gt": ">", "GT": ">", "iacute": "\xED", "Iacute": "\xCD", "icirc": "\xEE", "Icirc": "\xCE", "iexcl": "\xA1", "igrave": "\xEC", "Igrave": "\xCC", "iquest": "\xBF", "iuml": "\xEF", "Iuml": "\xCF", "laquo": "\xAB", "lt": "<", "LT": "<", "macr": "\xAF", "micro": "\xB5", "middot": "\xB7", "nbsp": "\xA0", "not": "\xAC", "ntilde": "\xF1", "Ntilde": "\xD1", "oacute": "\xF3", "Oacute": "\xD3", "ocirc": "\xF4", "Ocirc": "\xD4", "ograve": "\xF2", "Ograve": "\xD2", "ordf": "\xAA", "ordm": "\xBA", "oslash": "\xF8", "Oslash": "\xD8", "otilde": "\xF5", "Otilde": "\xD5", "ouml": "\xF6", "Ouml": "\xD6", "para": "\xB6", "plusmn": "\xB1", "pound": "\xA3", "quot": '"', "QUOT": '"', "raquo": "\xBB", "reg": "\xAE", "REG": "\xAE", "sect": "\xA7", "shy": "\xAD", "sup1": "\xB9", "sup2": "\xB2", "sup3": "\xB3", "szlig": "\xDF", "thorn": "\xFE", "THORN": "\xDE", "times": "\xD7", "uacute": "\xFA", "Uacute": "\xDA", "ucirc": "\xFB", "Ucirc": "\xDB", "ugrave": "\xF9", "Ugrave": "\xD9", "uml": "\xA8", "uuml": "\xFC", "Uuml": "\xDC", "yacute": "\xFD", "Yacute": "\xDD", "yen": "\xA5", "yuml": "\xFF" };
      var decodeMapNumeric = { "0": "\uFFFD", "128": "\u20AC", "130": "\u201A", "131": "\u0192", "132": "\u201E", "133": "\u2026", "134": "\u2020", "135": "\u2021", "136": "\u02C6", "137": "\u2030", "138": "\u0160", "139": "\u2039", "140": "\u0152", "142": "\u017D", "145": "\u2018", "146": "\u2019", "147": "\u201C", "148": "\u201D", "149": "\u2022", "150": "\u2013", "151": "\u2014", "152": "\u02DC", "153": "\u2122", "154": "\u0161", "155": "\u203A", "156": "\u0153", "158": "\u017E", "159": "\u0178" };
      var invalidReferenceCodePoints = [1, 2, 3, 4, 5, 6, 7, 8, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 64976, 64977, 64978, 64979, 64980, 64981, 64982, 64983, 64984, 64985, 64986, 64987, 64988, 64989, 64990, 64991, 64992, 64993, 64994, 64995, 64996, 64997, 64998, 64999, 65e3, 65001, 65002, 65003, 65004, 65005, 65006, 65007, 65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214, 393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894, 720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574, 1048575, 1114110, 1114111];
      var stringFromCharCode = String.fromCharCode;
      var object = {};
      var hasOwnProperty = object.hasOwnProperty;
      var has = function(object2, propertyName) {
        return hasOwnProperty.call(object2, propertyName);
      };
      var contains = function(array, value) {
        var index = -1;
        var length = array.length;
        while (++index < length) {
          if (array[index] == value) {
            return true;
          }
        }
        return false;
      };
      var merge = function(options, defaults) {
        if (!options) {
          return defaults;
        }
        var result = {};
        var key2;
        for (key2 in defaults) {
          result[key2] = has(options, key2) ? options[key2] : defaults[key2];
        }
        return result;
      };
      var codePointToSymbol = function(codePoint, strict) {
        var output = "";
        if (codePoint >= 55296 && codePoint <= 57343 || codePoint > 1114111) {
          if (strict) {
            parseError("character reference outside the permissible Unicode range");
          }
          return "\uFFFD";
        }
        if (has(decodeMapNumeric, codePoint)) {
          if (strict) {
            parseError("disallowed character reference");
          }
          return decodeMapNumeric[codePoint];
        }
        if (strict && contains(invalidReferenceCodePoints, codePoint)) {
          parseError("disallowed character reference");
        }
        if (codePoint > 65535) {
          codePoint -= 65536;
          output += stringFromCharCode(codePoint >>> 10 & 1023 | 55296);
          codePoint = 56320 | codePoint & 1023;
        }
        output += stringFromCharCode(codePoint);
        return output;
      };
      var hexEscape = function(codePoint) {
        return "&#x" + codePoint.toString(16).toUpperCase() + ";";
      };
      var decEscape = function(codePoint) {
        return "&#" + codePoint + ";";
      };
      var parseError = function(message) {
        throw Error("Parse error: " + message);
      };
      var encode = function(string, options) {
        options = merge(options, encode.options);
        var strict = options.strict;
        if (strict && regexInvalidRawCodePoint.test(string)) {
          parseError("forbidden code point");
        }
        var encodeEverything = options.encodeEverything;
        var useNamedReferences = options.useNamedReferences;
        var allowUnsafeSymbols = options.allowUnsafeSymbols;
        var escapeCodePoint = options.decimal ? decEscape : hexEscape;
        var escapeBmpSymbol = function(symbol) {
          return escapeCodePoint(symbol.charCodeAt(0));
        };
        if (encodeEverything) {
          string = string.replace(regexAsciiWhitelist, function(symbol) {
            if (useNamedReferences && has(encodeMap, symbol)) {
              return "&" + encodeMap[symbol] + ";";
            }
            return escapeBmpSymbol(symbol);
          });
          if (useNamedReferences) {
            string = string.replace(/&gt;\u20D2/g, "&nvgt;").replace(/&lt;\u20D2/g, "&nvlt;").replace(/&#x66;&#x6A;/g, "&fjlig;");
          }
          if (useNamedReferences) {
            string = string.replace(regexEncodeNonAscii, function(string2) {
              return "&" + encodeMap[string2] + ";";
            });
          }
        } else if (useNamedReferences) {
          if (!allowUnsafeSymbols) {
            string = string.replace(regexEscape, function(string2) {
              return "&" + encodeMap[string2] + ";";
            });
          }
          string = string.replace(/&gt;\u20D2/g, "&nvgt;").replace(/&lt;\u20D2/g, "&nvlt;");
          string = string.replace(regexEncodeNonAscii, function(string2) {
            return "&" + encodeMap[string2] + ";";
          });
        } else if (!allowUnsafeSymbols) {
          string = string.replace(regexEscape, escapeBmpSymbol);
        }
        return string.replace(regexAstralSymbols, function($0) {
          var high = $0.charCodeAt(0);
          var low = $0.charCodeAt(1);
          var codePoint = (high - 55296) * 1024 + low - 56320 + 65536;
          return escapeCodePoint(codePoint);
        }).replace(regexBmpWhitelist, escapeBmpSymbol);
      };
      encode.options = {
        "allowUnsafeSymbols": false,
        "encodeEverything": false,
        "strict": false,
        "useNamedReferences": false,
        "decimal": false
      };
      var decode2 = function(html, options) {
        options = merge(options, decode2.options);
        var strict = options.strict;
        if (strict && regexInvalidEntity.test(html)) {
          parseError("malformed character reference");
        }
        return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
          var codePoint;
          var semicolon;
          var decDigits;
          var hexDigits;
          var reference;
          var next;
          if ($1) {
            reference = $1;
            return decodeMap[reference];
          }
          if ($2) {
            reference = $2;
            next = $3;
            if (next && options.isAttributeValue) {
              if (strict && next == "=") {
                parseError("`&` did not start a character reference");
              }
              return $0;
            } else {
              if (strict) {
                parseError("named character reference was not terminated by a semicolon");
              }
              return decodeMapLegacy[reference] + (next || "");
            }
          }
          if ($4) {
            decDigits = $4;
            semicolon = $5;
            if (strict && !semicolon) {
              parseError("character reference was not terminated by a semicolon");
            }
            codePoint = parseInt(decDigits, 10);
            return codePointToSymbol(codePoint, strict);
          }
          if ($6) {
            hexDigits = $6;
            semicolon = $7;
            if (strict && !semicolon) {
              parseError("character reference was not terminated by a semicolon");
            }
            codePoint = parseInt(hexDigits, 16);
            return codePointToSymbol(codePoint, strict);
          }
          if (strict) {
            parseError("named character reference was not terminated by a semicolon");
          }
          return $0;
        });
      };
      decode2.options = {
        "isAttributeValue": false,
        "strict": false
      };
      var escape2 = function(string) {
        return string.replace(regexEscape, function($0) {
          return escapeMap[$0];
        });
      };
      var he = {
        "version": "1.2.0",
        "encode": encode,
        "decode": decode2,
        "escape": escape2,
        "unescape": decode2
      };
      if (typeof define == "function" && typeof define.amd == "object" && define.amd) {
        define(function() {
          return he;
        });
      } else if (freeExports && !freeExports.nodeType) {
        if (freeModule) {
          freeModule.exports = he;
        } else {
          for (var key in he) {
            has(he, key) && (freeExports[key] = he[key]);
          }
        }
      } else {
        root.he = he;
      }
    })(exports);
  }
});

// src/main.ts
__export(exports, {
  default: () => DiceRollerPlugin
});
var import_obsidian8 = __toModule(require("obsidian"));
var import_lex = __toModule(require_lexer());

// node_modules/@fortawesome/free-solid-svg-icons/index.es.js
var faDice = {
  prefix: "fas",
  iconName: "dice",
  icon: [640, 512, [], "f522", "M592 192H473.26c12.69 29.59 7.12 65.2-17 89.32L320 417.58V464c0 26.51 21.49 48 48 48h224c26.51 0 48-21.49 48-48V240c0-26.51-21.49-48-48-48zM480 376c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24zm-46.37-186.7L258.7 14.37c-19.16-19.16-50.23-19.16-69.39 0L14.37 189.3c-19.16 19.16-19.16 50.23 0 69.39L189.3 433.63c19.16 19.16 50.23 19.16 69.39 0L433.63 258.7c19.16-19.17 19.16-50.24 0-69.4zM96 248c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24zm128 128c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24zm0-128c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24zm0-128c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24zm128 128c-13.25 0-24-10.75-24-24 0-13.26 10.75-24 24-24s24 10.74 24 24c0 13.25-10.75 24-24 24z"]
};

// node_modules/@fortawesome/free-regular-svg-icons/index.es.js
var faCopy = {
  prefix: "far",
  iconName: "copy",
  icon: [448, 512, [], "f0c5", "M433.941 65.941l-51.882-51.882A48 48 0 0 0 348.118 0H176c-26.51 0-48 21.49-48 48v48H48c-26.51 0-48 21.49-48 48v320c0 26.51 21.49 48 48 48h224c26.51 0 48-21.49 48-48v-48h80c26.51 0 48-21.49 48-48V99.882a48 48 0 0 0-14.059-33.941zM266 464H54a6 6 0 0 1-6-6V150a6 6 0 0 1 6-6h74v224c0 26.51 21.49 48 48 48h96v42a6 6 0 0 1-6 6zm128-96H182a6 6 0 0 1-6-6V54a6 6 0 0 1 6-6h106v88c0 13.255 10.745 24 24 24h88v202a6 6 0 0 1-6 6zm6-256h-64V48h9.632c1.591 0 3.117.632 4.243 1.757l48.368 48.368a6 6 0 0 1 1.757 4.243V112z"]
};

// node_modules/@fortawesome/fontawesome-svg-core/index.es.js
function _typeof(obj) {
  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function(obj2) {
      return typeof obj2;
    };
  } else {
    _typeof = function(obj2) {
      return obj2 && typeof Symbol === "function" && obj2.constructor === Symbol && obj2 !== Symbol.prototype ? "symbol" : typeof obj2;
    };
  }
  return _typeof(obj);
}
function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}
function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor)
      descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}
function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps)
    _defineProperties(Constructor.prototype, protoProps);
  if (staticProps)
    _defineProperties(Constructor, staticProps);
  return Constructor;
}
function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }
  return obj;
}
function _objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};
    var ownKeys = Object.keys(source);
    if (typeof Object.getOwnPropertySymbols === "function") {
      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
      }));
    }
    ownKeys.forEach(function(key) {
      _defineProperty(target, key, source[key]);
    });
  }
  return target;
}
function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
}
function _arrayWithHoles(arr) {
  if (Array.isArray(arr))
    return arr;
}
function _iterableToArrayLimit(arr, i) {
  var _arr = [];
  var _n = true;
  var _d = false;
  var _e = void 0;
  try {
    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
      _arr.push(_s.value);
      if (i && _arr.length === i)
        break;
    }
  } catch (err) {
    _d = true;
    _e = err;
  } finally {
    try {
      if (!_n && _i["return"] != null)
        _i["return"]();
    } finally {
      if (_d)
        throw _e;
    }
  }
  return _arr;
}
function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
var noop = function noop2() {
};
var _WINDOW = {};
var _DOCUMENT = {};
var _MUTATION_OBSERVER = null;
var _PERFORMANCE = {
  mark: noop,
  measure: noop
};
try {
  if (typeof window !== "undefined")
    _WINDOW = window;
  if (typeof document !== "undefined")
    _DOCUMENT = document;
  if (typeof MutationObserver !== "undefined")
    _MUTATION_OBSERVER = MutationObserver;
  if (typeof performance !== "undefined")
    _PERFORMANCE = performance;
} catch (e) {
}
var _ref = _WINDOW.navigator || {};
var _ref$userAgent = _ref.userAgent;
var userAgent = _ref$userAgent === void 0 ? "" : _ref$userAgent;
var WINDOW = _WINDOW;
var DOCUMENT = _DOCUMENT;
var PERFORMANCE = _PERFORMANCE;
var IS_BROWSER = !!WINDOW.document;
var IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === "function" && typeof DOCUMENT.createElement === "function";
var IS_IE = ~userAgent.indexOf("MSIE") || ~userAgent.indexOf("Trident/");
var NAMESPACE_IDENTIFIER = "___FONT_AWESOME___";
var DEFAULT_FAMILY_PREFIX = "fa";
var DEFAULT_REPLACEMENT_CLASS = "svg-inline--fa";
var DATA_FA_I2SVG = "data-fa-i2svg";
var PRODUCTION = function() {
  try {
    return false;
  } catch (e) {
    return false;
  }
}();
var oneToTen = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var oneToTwenty = oneToTen.concat([11, 12, 13, 14, 15, 16, 17, 18, 19, 20]);
var DUOTONE_CLASSES = {
  GROUP: "group",
  SWAP_OPACITY: "swap-opacity",
  PRIMARY: "primary",
  SECONDARY: "secondary"
};
var RESERVED_CLASSES = ["xs", "sm", "lg", "fw", "ul", "li", "border", "pull-left", "pull-right", "spin", "pulse", "rotate-90", "rotate-180", "rotate-270", "flip-horizontal", "flip-vertical", "flip-both", "stack", "stack-1x", "stack-2x", "inverse", "layers", "layers-text", "layers-counter", DUOTONE_CLASSES.GROUP, DUOTONE_CLASSES.SWAP_OPACITY, DUOTONE_CLASSES.PRIMARY, DUOTONE_CLASSES.SECONDARY].concat(oneToTen.map(function(n) {
  return "".concat(n, "x");
})).concat(oneToTwenty.map(function(n) {
  return "w-".concat(n);
}));
var initial = WINDOW.FontAwesomeConfig || {};
function getAttrConfig(attr) {
  var element = DOCUMENT.querySelector("script[" + attr + "]");
  if (element) {
    return element.getAttribute(attr);
  }
}
function coerce(val) {
  if (val === "")
    return true;
  if (val === "false")
    return false;
  if (val === "true")
    return true;
  return val;
}
if (DOCUMENT && typeof DOCUMENT.querySelector === "function") {
  attrs = [["data-family-prefix", "familyPrefix"], ["data-replacement-class", "replacementClass"], ["data-auto-replace-svg", "autoReplaceSvg"], ["data-auto-add-css", "autoAddCss"], ["data-auto-a11y", "autoA11y"], ["data-search-pseudo-elements", "searchPseudoElements"], ["data-observe-mutations", "observeMutations"], ["data-mutate-approach", "mutateApproach"], ["data-keep-original-source", "keepOriginalSource"], ["data-measure-performance", "measurePerformance"], ["data-show-missing-icons", "showMissingIcons"]];
  attrs.forEach(function(_ref2) {
    var _ref22 = _slicedToArray(_ref2, 2), attr = _ref22[0], key = _ref22[1];
    var val = coerce(getAttrConfig(attr));
    if (val !== void 0 && val !== null) {
      initial[key] = val;
    }
  });
}
var attrs;
var _default = {
  familyPrefix: DEFAULT_FAMILY_PREFIX,
  replacementClass: DEFAULT_REPLACEMENT_CLASS,
  autoReplaceSvg: true,
  autoAddCss: true,
  autoA11y: true,
  searchPseudoElements: false,
  observeMutations: true,
  mutateApproach: "async",
  keepOriginalSource: true,
  measurePerformance: false,
  showMissingIcons: true
};
var _config = _objectSpread({}, _default, initial);
if (!_config.autoReplaceSvg)
  _config.observeMutations = false;
var config = _objectSpread({}, _config);
WINDOW.FontAwesomeConfig = config;
var w = WINDOW || {};
if (!w[NAMESPACE_IDENTIFIER])
  w[NAMESPACE_IDENTIFIER] = {};
if (!w[NAMESPACE_IDENTIFIER].styles)
  w[NAMESPACE_IDENTIFIER].styles = {};
if (!w[NAMESPACE_IDENTIFIER].hooks)
  w[NAMESPACE_IDENTIFIER].hooks = {};
if (!w[NAMESPACE_IDENTIFIER].shims)
  w[NAMESPACE_IDENTIFIER].shims = [];
var namespace = w[NAMESPACE_IDENTIFIER];
var functions = [];
var listener = function listener2() {
  DOCUMENT.removeEventListener("DOMContentLoaded", listener2);
  loaded = 1;
  functions.map(function(fn) {
    return fn();
  });
};
var loaded = false;
if (IS_DOM) {
  loaded = (DOCUMENT.documentElement.doScroll ? /^loaded|^c/ : /^loaded|^i|^c/).test(DOCUMENT.readyState);
  if (!loaded)
    DOCUMENT.addEventListener("DOMContentLoaded", listener);
}
var PENDING = "pending";
var SETTLED = "settled";
var FULFILLED = "fulfilled";
var REJECTED = "rejected";
var NOOP = function NOOP2() {
};
var isNode = typeof global !== "undefined" && typeof global.process !== "undefined" && typeof global.process.emit === "function";
var asyncSetTimer = typeof setImmediate === "undefined" ? setTimeout : setImmediate;
var asyncQueue = [];
var asyncTimer;
function asyncFlush() {
  for (var i = 0; i < asyncQueue.length; i++) {
    asyncQueue[i][0](asyncQueue[i][1]);
  }
  asyncQueue = [];
  asyncTimer = false;
}
function asyncCall(callback, arg) {
  asyncQueue.push([callback, arg]);
  if (!asyncTimer) {
    asyncTimer = true;
    asyncSetTimer(asyncFlush, 0);
  }
}
function invokeResolver(resolver, promise) {
  function resolvePromise(value) {
    resolve(promise, value);
  }
  function rejectPromise(reason) {
    reject(promise, reason);
  }
  try {
    resolver(resolvePromise, rejectPromise);
  } catch (e) {
    rejectPromise(e);
  }
}
function invokeCallback(subscriber) {
  var owner = subscriber.owner;
  var settled = owner._state;
  var value = owner._data;
  var callback = subscriber[settled];
  var promise = subscriber.then;
  if (typeof callback === "function") {
    settled = FULFILLED;
    try {
      value = callback(value);
    } catch (e) {
      reject(promise, e);
    }
  }
  if (!handleThenable(promise, value)) {
    if (settled === FULFILLED) {
      resolve(promise, value);
    }
    if (settled === REJECTED) {
      reject(promise, value);
    }
  }
}
function handleThenable(promise, value) {
  var resolved;
  try {
    if (promise === value) {
      throw new TypeError("A promises callback cannot return that same promise.");
    }
    if (value && (typeof value === "function" || _typeof(value) === "object")) {
      var then2 = value.then;
      if (typeof then2 === "function") {
        then2.call(value, function(val) {
          if (!resolved) {
            resolved = true;
            if (value === val) {
              fulfill(promise, val);
            } else {
              resolve(promise, val);
            }
          }
        }, function(reason) {
          if (!resolved) {
            resolved = true;
            reject(promise, reason);
          }
        });
        return true;
      }
    }
  } catch (e) {
    if (!resolved) {
      reject(promise, e);
    }
    return true;
  }
  return false;
}
function resolve(promise, value) {
  if (promise === value || !handleThenable(promise, value)) {
    fulfill(promise, value);
  }
}
function fulfill(promise, value) {
  if (promise._state === PENDING) {
    promise._state = SETTLED;
    promise._data = value;
    asyncCall(publishFulfillment, promise);
  }
}
function reject(promise, reason) {
  if (promise._state === PENDING) {
    promise._state = SETTLED;
    promise._data = reason;
    asyncCall(publishRejection, promise);
  }
}
function publish(promise) {
  promise._then = promise._then.forEach(invokeCallback);
}
function publishFulfillment(promise) {
  promise._state = FULFILLED;
  publish(promise);
}
function publishRejection(promise) {
  promise._state = REJECTED;
  publish(promise);
  if (!promise._handled && isNode) {
    global.process.emit("unhandledRejection", promise._data, promise);
  }
}
function notifyRejectionHandled(promise) {
  global.process.emit("rejectionHandled", promise);
}
function P(resolver) {
  if (typeof resolver !== "function") {
    throw new TypeError("Promise resolver " + resolver + " is not a function");
  }
  if (this instanceof P === false) {
    throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.");
  }
  this._then = [];
  invokeResolver(resolver, this);
}
P.prototype = {
  constructor: P,
  _state: PENDING,
  _then: null,
  _data: void 0,
  _handled: false,
  then: function then(onFulfillment, onRejection) {
    var subscriber = {
      owner: this,
      then: new this.constructor(NOOP),
      fulfilled: onFulfillment,
      rejected: onRejection
    };
    if ((onRejection || onFulfillment) && !this._handled) {
      this._handled = true;
      if (this._state === REJECTED && isNode) {
        asyncCall(notifyRejectionHandled, this);
      }
    }
    if (this._state === FULFILLED || this._state === REJECTED) {
      asyncCall(invokeCallback, subscriber);
    } else {
      this._then.push(subscriber);
    }
    return subscriber.then;
  },
  catch: function _catch(onRejection) {
    return this.then(null, onRejection);
  }
};
P.all = function(promises) {
  if (!Array.isArray(promises)) {
    throw new TypeError("You must pass an array to Promise.all().");
  }
  return new P(function(resolve2, reject2) {
    var results = [];
    var remaining = 0;
    function resolver(index) {
      remaining++;
      return function(value) {
        results[index] = value;
        if (!--remaining) {
          resolve2(results);
        }
      };
    }
    for (var i = 0, promise; i < promises.length; i++) {
      promise = promises[i];
      if (promise && typeof promise.then === "function") {
        promise.then(resolver(i), reject2);
      } else {
        results[i] = promise;
      }
    }
    if (!remaining) {
      resolve2(results);
    }
  });
};
P.race = function(promises) {
  if (!Array.isArray(promises)) {
    throw new TypeError("You must pass an array to Promise.race().");
  }
  return new P(function(resolve2, reject2) {
    for (var i = 0, promise; i < promises.length; i++) {
      promise = promises[i];
      if (promise && typeof promise.then === "function") {
        promise.then(resolve2, reject2);
      } else {
        resolve2(promise);
      }
    }
  });
};
P.resolve = function(value) {
  if (value && _typeof(value) === "object" && value.constructor === P) {
    return value;
  }
  return new P(function(resolve2) {
    resolve2(value);
  });
};
P.reject = function(reason) {
  return new P(function(resolve2, reject2) {
    reject2(reason);
  });
};
var meaninglessTransform = {
  size: 16,
  x: 0,
  y: 0,
  rotate: 0,
  flipX: false,
  flipY: false
};
function insertCss(css2) {
  if (!css2 || !IS_DOM) {
    return;
  }
  var style = DOCUMENT.createElement("style");
  style.setAttribute("type", "text/css");
  style.innerHTML = css2;
  var headChildren = DOCUMENT.head.childNodes;
  var beforeChild = null;
  for (var i = headChildren.length - 1; i > -1; i--) {
    var child = headChildren[i];
    var tagName = (child.tagName || "").toUpperCase();
    if (["STYLE", "LINK"].indexOf(tagName) > -1) {
      beforeChild = child;
    }
  }
  DOCUMENT.head.insertBefore(style, beforeChild);
  return css2;
}
var idPool = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
function nextUniqueId() {
  var size = 12;
  var id = "";
  while (size-- > 0) {
    id += idPool[Math.random() * 62 | 0];
  }
  return id;
}
function htmlEscape(str) {
  return "".concat(str).replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/'/g, "&#39;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
}
function joinAttributes(attributes) {
  return Object.keys(attributes || {}).reduce(function(acc, attributeName) {
    return acc + "".concat(attributeName, '="').concat(htmlEscape(attributes[attributeName]), '" ');
  }, "").trim();
}
function joinStyles(styles2) {
  return Object.keys(styles2 || {}).reduce(function(acc, styleName) {
    return acc + "".concat(styleName, ": ").concat(styles2[styleName], ";");
  }, "");
}
function transformIsMeaningful(transform) {
  return transform.size !== meaninglessTransform.size || transform.x !== meaninglessTransform.x || transform.y !== meaninglessTransform.y || transform.rotate !== meaninglessTransform.rotate || transform.flipX || transform.flipY;
}
function transformForSvg(_ref2) {
  var transform = _ref2.transform, containerWidth = _ref2.containerWidth, iconWidth = _ref2.iconWidth;
  var outer = {
    transform: "translate(".concat(containerWidth / 2, " 256)")
  };
  var innerTranslate = "translate(".concat(transform.x * 32, ", ").concat(transform.y * 32, ") ");
  var innerScale = "scale(".concat(transform.size / 16 * (transform.flipX ? -1 : 1), ", ").concat(transform.size / 16 * (transform.flipY ? -1 : 1), ") ");
  var innerRotate = "rotate(".concat(transform.rotate, " 0 0)");
  var inner = {
    transform: "".concat(innerTranslate, " ").concat(innerScale, " ").concat(innerRotate)
  };
  var path = {
    transform: "translate(".concat(iconWidth / 2 * -1, " -256)")
  };
  return {
    outer,
    inner,
    path
  };
}
var ALL_SPACE = {
  x: 0,
  y: 0,
  width: "100%",
  height: "100%"
};
function fillBlack(abstract) {
  var force = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : true;
  if (abstract.attributes && (abstract.attributes.fill || force)) {
    abstract.attributes.fill = "black";
  }
  return abstract;
}
function deGroup(abstract) {
  if (abstract.tag === "g") {
    return abstract.children;
  } else {
    return [abstract];
  }
}
function makeIconMasking(_ref2) {
  var children = _ref2.children, attributes = _ref2.attributes, main = _ref2.main, mask = _ref2.mask, explicitMaskId = _ref2.maskId, transform = _ref2.transform;
  var mainWidth = main.width, mainPath = main.icon;
  var maskWidth = mask.width, maskPath = mask.icon;
  var trans = transformForSvg({
    transform,
    containerWidth: maskWidth,
    iconWidth: mainWidth
  });
  var maskRect = {
    tag: "rect",
    attributes: _objectSpread({}, ALL_SPACE, {
      fill: "white"
    })
  };
  var maskInnerGroupChildrenMixin = mainPath.children ? {
    children: mainPath.children.map(fillBlack)
  } : {};
  var maskInnerGroup = {
    tag: "g",
    attributes: _objectSpread({}, trans.inner),
    children: [fillBlack(_objectSpread({
      tag: mainPath.tag,
      attributes: _objectSpread({}, mainPath.attributes, trans.path)
    }, maskInnerGroupChildrenMixin))]
  };
  var maskOuterGroup = {
    tag: "g",
    attributes: _objectSpread({}, trans.outer),
    children: [maskInnerGroup]
  };
  var maskId = "mask-".concat(explicitMaskId || nextUniqueId());
  var clipId = "clip-".concat(explicitMaskId || nextUniqueId());
  var maskTag = {
    tag: "mask",
    attributes: _objectSpread({}, ALL_SPACE, {
      id: maskId,
      maskUnits: "userSpaceOnUse",
      maskContentUnits: "userSpaceOnUse"
    }),
    children: [maskRect, maskOuterGroup]
  };
  var defs = {
    tag: "defs",
    children: [{
      tag: "clipPath",
      attributes: {
        id: clipId
      },
      children: deGroup(maskPath)
    }, maskTag]
  };
  children.push(defs, {
    tag: "rect",
    attributes: _objectSpread({
      fill: "currentColor",
      "clip-path": "url(#".concat(clipId, ")"),
      mask: "url(#".concat(maskId, ")")
    }, ALL_SPACE)
  });
  return {
    children,
    attributes
  };
}
function makeIconStandard(_ref2) {
  var children = _ref2.children, attributes = _ref2.attributes, main = _ref2.main, transform = _ref2.transform, styles2 = _ref2.styles;
  var styleString = joinStyles(styles2);
  if (styleString.length > 0) {
    attributes["style"] = styleString;
  }
  if (transformIsMeaningful(transform)) {
    var trans = transformForSvg({
      transform,
      containerWidth: main.width,
      iconWidth: main.width
    });
    children.push({
      tag: "g",
      attributes: _objectSpread({}, trans.outer),
      children: [{
        tag: "g",
        attributes: _objectSpread({}, trans.inner),
        children: [{
          tag: main.icon.tag,
          children: main.icon.children,
          attributes: _objectSpread({}, main.icon.attributes, trans.path)
        }]
      }]
    });
  } else {
    children.push(main.icon);
  }
  return {
    children,
    attributes
  };
}
function asIcon(_ref2) {
  var children = _ref2.children, main = _ref2.main, mask = _ref2.mask, attributes = _ref2.attributes, styles2 = _ref2.styles, transform = _ref2.transform;
  if (transformIsMeaningful(transform) && main.found && !mask.found) {
    var width = main.width, height = main.height;
    var offset = {
      x: width / height / 2,
      y: 0.5
    };
    attributes["style"] = joinStyles(_objectSpread({}, styles2, {
      "transform-origin": "".concat(offset.x + transform.x / 16, "em ").concat(offset.y + transform.y / 16, "em")
    }));
  }
  return [{
    tag: "svg",
    attributes,
    children
  }];
}
function asSymbol(_ref2) {
  var prefix = _ref2.prefix, iconName = _ref2.iconName, children = _ref2.children, attributes = _ref2.attributes, symbol = _ref2.symbol;
  var id = symbol === true ? "".concat(prefix, "-").concat(config.familyPrefix, "-").concat(iconName) : symbol;
  return [{
    tag: "svg",
    attributes: {
      style: "display: none;"
    },
    children: [{
      tag: "symbol",
      attributes: _objectSpread({}, attributes, {
        id
      }),
      children
    }]
  }];
}
function makeInlineSvgAbstract(params) {
  var _params$icons = params.icons, main = _params$icons.main, mask = _params$icons.mask, prefix = params.prefix, iconName = params.iconName, transform = params.transform, symbol = params.symbol, title = params.title, maskId = params.maskId, titleId = params.titleId, extra = params.extra, _params$watchable = params.watchable, watchable = _params$watchable === void 0 ? false : _params$watchable;
  var _ref2 = mask.found ? mask : main, width = _ref2.width, height = _ref2.height;
  var isUploadedIcon = prefix === "fak";
  var widthClass = isUploadedIcon ? "" : "fa-w-".concat(Math.ceil(width / height * 16));
  var attrClass = [config.replacementClass, iconName ? "".concat(config.familyPrefix, "-").concat(iconName) : "", widthClass].filter(function(c2) {
    return extra.classes.indexOf(c2) === -1;
  }).filter(function(c2) {
    return c2 !== "" || !!c2;
  }).concat(extra.classes).join(" ");
  var content = {
    children: [],
    attributes: _objectSpread({}, extra.attributes, {
      "data-prefix": prefix,
      "data-icon": iconName,
      "class": attrClass,
      "role": extra.attributes.role || "img",
      "xmlns": "http://www.w3.org/2000/svg",
      "viewBox": "0 0 ".concat(width, " ").concat(height)
    })
  };
  var uploadedIconWidthStyle = isUploadedIcon && !~extra.classes.indexOf("fa-fw") ? {
    width: "".concat(width / height * 16 * 0.0625, "em")
  } : {};
  if (watchable) {
    content.attributes[DATA_FA_I2SVG] = "";
  }
  if (title)
    content.children.push({
      tag: "title",
      attributes: {
        id: content.attributes["aria-labelledby"] || "title-".concat(titleId || nextUniqueId())
      },
      children: [title]
    });
  var args = _objectSpread({}, content, {
    prefix,
    iconName,
    main,
    mask,
    maskId,
    transform,
    symbol,
    styles: _objectSpread({}, uploadedIconWidthStyle, extra.styles)
  });
  var _ref22 = mask.found && main.found ? makeIconMasking(args) : makeIconStandard(args), children = _ref22.children, attributes = _ref22.attributes;
  args.children = children;
  args.attributes = attributes;
  if (symbol) {
    return asSymbol(args);
  } else {
    return asIcon(args);
  }
}
var noop$1 = function noop3() {
};
var p = config.measurePerformance && PERFORMANCE && PERFORMANCE.mark && PERFORMANCE.measure ? PERFORMANCE : {
  mark: noop$1,
  measure: noop$1
};
var bindInternal4 = function bindInternal42(func, thisContext) {
  return function(a2, b2, c2, d) {
    return func.call(thisContext, a2, b2, c2, d);
  };
};
var reduce = function fastReduceObject(subject, fn, initialValue, thisContext) {
  var keys = Object.keys(subject), length = keys.length, iterator = thisContext !== void 0 ? bindInternal4(fn, thisContext) : fn, i, key, result;
  if (initialValue === void 0) {
    i = 1;
    result = subject[keys[0]];
  } else {
    i = 0;
    result = initialValue;
  }
  for (; i < length; i++) {
    key = keys[i];
    result = iterator(result, subject[key], key, subject);
  }
  return result;
};
function defineIcons(prefix, icons) {
  var params = arguments.length > 2 && arguments[2] !== void 0 ? arguments[2] : {};
  var _params$skipHooks = params.skipHooks, skipHooks = _params$skipHooks === void 0 ? false : _params$skipHooks;
  var normalized = Object.keys(icons).reduce(function(acc, iconName) {
    var icon2 = icons[iconName];
    var expanded = !!icon2.icon;
    if (expanded) {
      acc[icon2.iconName] = icon2.icon;
    } else {
      acc[iconName] = icon2;
    }
    return acc;
  }, {});
  if (typeof namespace.hooks.addPack === "function" && !skipHooks) {
    namespace.hooks.addPack(prefix, normalized);
  } else {
    namespace.styles[prefix] = _objectSpread({}, namespace.styles[prefix] || {}, normalized);
  }
  if (prefix === "fas") {
    defineIcons("fa", icons);
  }
}
var styles = namespace.styles;
var shims = namespace.shims;
var _byUnicode = {};
var _byLigature = {};
var _byOldName = {};
var build = function build2() {
  var lookup = function lookup2(reducer) {
    return reduce(styles, function(o, style, prefix) {
      o[prefix] = reduce(style, reducer, {});
      return o;
    }, {});
  };
  _byUnicode = lookup(function(acc, icon2, iconName) {
    if (icon2[3]) {
      acc[icon2[3]] = iconName;
    }
    return acc;
  });
  _byLigature = lookup(function(acc, icon2, iconName) {
    var ligatures = icon2[2];
    acc[iconName] = iconName;
    ligatures.forEach(function(ligature) {
      acc[ligature] = iconName;
    });
    return acc;
  });
  var hasRegular = "far" in styles;
  _byOldName = reduce(shims, function(acc, shim) {
    var oldName = shim[0];
    var prefix = shim[1];
    var iconName = shim[2];
    if (prefix === "far" && !hasRegular) {
      prefix = "fas";
    }
    acc[oldName] = {
      prefix,
      iconName
    };
    return acc;
  }, {});
};
build();
var styles$1 = namespace.styles;
function iconFromMapping(mapping, prefix, iconName) {
  if (mapping && mapping[prefix] && mapping[prefix][iconName]) {
    return {
      prefix,
      iconName,
      icon: mapping[prefix][iconName]
    };
  }
}
function toHtml(abstractNodes) {
  var tag = abstractNodes.tag, _abstractNodes$attrib = abstractNodes.attributes, attributes = _abstractNodes$attrib === void 0 ? {} : _abstractNodes$attrib, _abstractNodes$childr = abstractNodes.children, children = _abstractNodes$childr === void 0 ? [] : _abstractNodes$childr;
  if (typeof abstractNodes === "string") {
    return htmlEscape(abstractNodes);
  } else {
    return "<".concat(tag, " ").concat(joinAttributes(attributes), ">").concat(children.map(toHtml).join(""), "</").concat(tag, ">");
  }
}
function MissingIcon(error) {
  this.name = "MissingIcon";
  this.message = error || "Icon unavailable";
  this.stack = new Error().stack;
}
MissingIcon.prototype = Object.create(Error.prototype);
MissingIcon.prototype.constructor = MissingIcon;
var FILL = {
  fill: "currentColor"
};
var ANIMATION_BASE = {
  attributeType: "XML",
  repeatCount: "indefinite",
  dur: "2s"
};
var RING = {
  tag: "path",
  attributes: _objectSpread({}, FILL, {
    d: "M156.5,447.7l-12.6,29.5c-18.7-9.5-35.9-21.2-51.5-34.9l22.7-22.7C127.6,430.5,141.5,440,156.5,447.7z M40.6,272H8.5 c1.4,21.2,5.4,41.7,11.7,61.1L50,321.2C45.1,305.5,41.8,289,40.6,272z M40.6,240c1.4-18.8,5.2-37,11.1-54.1l-29.5-12.6 C14.7,194.3,10,216.7,8.5,240H40.6z M64.3,156.5c7.8-14.9,17.2-28.8,28.1-41.5L69.7,92.3c-13.7,15.6-25.5,32.8-34.9,51.5 L64.3,156.5z M397,419.6c-13.9,12-29.4,22.3-46.1,30.4l11.9,29.8c20.7-9.9,39.8-22.6,56.9-37.6L397,419.6z M115,92.4 c13.9-12,29.4-22.3,46.1-30.4l-11.9-29.8c-20.7,9.9-39.8,22.6-56.8,37.6L115,92.4z M447.7,355.5c-7.8,14.9-17.2,28.8-28.1,41.5 l22.7,22.7c13.7-15.6,25.5-32.9,34.9-51.5L447.7,355.5z M471.4,272c-1.4,18.8-5.2,37-11.1,54.1l29.5,12.6 c7.5-21.1,12.2-43.5,13.6-66.8H471.4z M321.2,462c-15.7,5-32.2,8.2-49.2,9.4v32.1c21.2-1.4,41.7-5.4,61.1-11.7L321.2,462z M240,471.4c-18.8-1.4-37-5.2-54.1-11.1l-12.6,29.5c21.1,7.5,43.5,12.2,66.8,13.6V471.4z M462,190.8c5,15.7,8.2,32.2,9.4,49.2h32.1 c-1.4-21.2-5.4-41.7-11.7-61.1L462,190.8z M92.4,397c-12-13.9-22.3-29.4-30.4-46.1l-29.8,11.9c9.9,20.7,22.6,39.8,37.6,56.9 L92.4,397z M272,40.6c18.8,1.4,36.9,5.2,54.1,11.1l12.6-29.5C317.7,14.7,295.3,10,272,8.5V40.6z M190.8,50 c15.7-5,32.2-8.2,49.2-9.4V8.5c-21.2,1.4-41.7,5.4-61.1,11.7L190.8,50z M442.3,92.3L419.6,115c12,13.9,22.3,29.4,30.5,46.1 l29.8-11.9C470,128.5,457.3,109.4,442.3,92.3z M397,92.4l22.7-22.7c-15.6-13.7-32.8-25.5-51.5-34.9l-12.6,29.5 C370.4,72.1,384.4,81.5,397,92.4z"
  })
};
var OPACITY_ANIMATE = _objectSpread({}, ANIMATION_BASE, {
  attributeName: "opacity"
});
var DOT = {
  tag: "circle",
  attributes: _objectSpread({}, FILL, {
    cx: "256",
    cy: "364",
    r: "28"
  }),
  children: [{
    tag: "animate",
    attributes: _objectSpread({}, ANIMATION_BASE, {
      attributeName: "r",
      values: "28;14;28;28;14;28;"
    })
  }, {
    tag: "animate",
    attributes: _objectSpread({}, OPACITY_ANIMATE, {
      values: "1;0;1;1;0;1;"
    })
  }]
};
var QUESTION = {
  tag: "path",
  attributes: _objectSpread({}, FILL, {
    opacity: "1",
    d: "M263.7,312h-16c-6.6,0-12-5.4-12-12c0-71,77.4-63.9,77.4-107.8c0-20-17.8-40.2-57.4-40.2c-29.1,0-44.3,9.6-59.2,28.7 c-3.9,5-11.1,6-16.2,2.4l-13.1-9.2c-5.6-3.9-6.9-11.8-2.6-17.2c21.2-27.2,46.4-44.7,91.2-44.7c52.3,0,97.4,29.8,97.4,80.2 c0,67.6-77.4,63.5-77.4,107.8C275.7,306.6,270.3,312,263.7,312z"
  }),
  children: [{
    tag: "animate",
    attributes: _objectSpread({}, OPACITY_ANIMATE, {
      values: "1;0;0;0;0;1;"
    })
  }]
};
var EXCLAMATION = {
  tag: "path",
  attributes: _objectSpread({}, FILL, {
    opacity: "0",
    d: "M232.5,134.5l7,168c0.3,6.4,5.6,11.5,12,11.5h9c6.4,0,11.7-5.1,12-11.5l7-168c0.3-6.8-5.2-12.5-12-12.5h-23 C237.7,122,232.2,127.7,232.5,134.5z"
  }),
  children: [{
    tag: "animate",
    attributes: _objectSpread({}, OPACITY_ANIMATE, {
      values: "0;0;1;1;0;0;"
    })
  }]
};
var styles$2 = namespace.styles;
function asFoundIcon(icon2) {
  var width = icon2[0];
  var height = icon2[1];
  var _icon$slice = icon2.slice(4), _icon$slice2 = _slicedToArray(_icon$slice, 1), vectorData = _icon$slice2[0];
  var element = null;
  if (Array.isArray(vectorData)) {
    element = {
      tag: "g",
      attributes: {
        class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.GROUP)
      },
      children: [{
        tag: "path",
        attributes: {
          class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.SECONDARY),
          fill: "currentColor",
          d: vectorData[0]
        }
      }, {
        tag: "path",
        attributes: {
          class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.PRIMARY),
          fill: "currentColor",
          d: vectorData[1]
        }
      }]
    };
  } else {
    element = {
      tag: "path",
      attributes: {
        fill: "currentColor",
        d: vectorData
      }
    };
  }
  return {
    found: true,
    width,
    height,
    icon: element
  };
}
var styles$3 = namespace.styles;
var baseStyles = 'svg:not(:root).svg-inline--fa {\n  overflow: visible;\n}\n\n.svg-inline--fa {\n  display: inline-block;\n  font-size: inherit;\n  height: 1em;\n  overflow: visible;\n  vertical-align: -0.125em;\n}\n.svg-inline--fa.fa-lg {\n  vertical-align: -0.225em;\n}\n.svg-inline--fa.fa-w-1 {\n  width: 0.0625em;\n}\n.svg-inline--fa.fa-w-2 {\n  width: 0.125em;\n}\n.svg-inline--fa.fa-w-3 {\n  width: 0.1875em;\n}\n.svg-inline--fa.fa-w-4 {\n  width: 0.25em;\n}\n.svg-inline--fa.fa-w-5 {\n  width: 0.3125em;\n}\n.svg-inline--fa.fa-w-6 {\n  width: 0.375em;\n}\n.svg-inline--fa.fa-w-7 {\n  width: 0.4375em;\n}\n.svg-inline--fa.fa-w-8 {\n  width: 0.5em;\n}\n.svg-inline--fa.fa-w-9 {\n  width: 0.5625em;\n}\n.svg-inline--fa.fa-w-10 {\n  width: 0.625em;\n}\n.svg-inline--fa.fa-w-11 {\n  width: 0.6875em;\n}\n.svg-inline--fa.fa-w-12 {\n  width: 0.75em;\n}\n.svg-inline--fa.fa-w-13 {\n  width: 0.8125em;\n}\n.svg-inline--fa.fa-w-14 {\n  width: 0.875em;\n}\n.svg-inline--fa.fa-w-15 {\n  width: 0.9375em;\n}\n.svg-inline--fa.fa-w-16 {\n  width: 1em;\n}\n.svg-inline--fa.fa-w-17 {\n  width: 1.0625em;\n}\n.svg-inline--fa.fa-w-18 {\n  width: 1.125em;\n}\n.svg-inline--fa.fa-w-19 {\n  width: 1.1875em;\n}\n.svg-inline--fa.fa-w-20 {\n  width: 1.25em;\n}\n.svg-inline--fa.fa-pull-left {\n  margin-right: 0.3em;\n  width: auto;\n}\n.svg-inline--fa.fa-pull-right {\n  margin-left: 0.3em;\n  width: auto;\n}\n.svg-inline--fa.fa-border {\n  height: 1.5em;\n}\n.svg-inline--fa.fa-li {\n  width: 2em;\n}\n.svg-inline--fa.fa-fw {\n  width: 1.25em;\n}\n\n.fa-layers svg.svg-inline--fa {\n  bottom: 0;\n  left: 0;\n  margin: auto;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n\n.fa-layers {\n  display: inline-block;\n  height: 1em;\n  position: relative;\n  text-align: center;\n  vertical-align: -0.125em;\n  width: 1em;\n}\n.fa-layers svg.svg-inline--fa {\n  -webkit-transform-origin: center center;\n          transform-origin: center center;\n}\n\n.fa-layers-counter, .fa-layers-text {\n  display: inline-block;\n  position: absolute;\n  text-align: center;\n}\n\n.fa-layers-text {\n  left: 50%;\n  top: 50%;\n  -webkit-transform: translate(-50%, -50%);\n          transform: translate(-50%, -50%);\n  -webkit-transform-origin: center center;\n          transform-origin: center center;\n}\n\n.fa-layers-counter {\n  background-color: #ff253a;\n  border-radius: 1em;\n  -webkit-box-sizing: border-box;\n          box-sizing: border-box;\n  color: #fff;\n  height: 1.5em;\n  line-height: 1;\n  max-width: 5em;\n  min-width: 1.5em;\n  overflow: hidden;\n  padding: 0.25em;\n  right: 0;\n  text-overflow: ellipsis;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top right;\n          transform-origin: top right;\n}\n\n.fa-layers-bottom-right {\n  bottom: 0;\n  right: 0;\n  top: auto;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: bottom right;\n          transform-origin: bottom right;\n}\n\n.fa-layers-bottom-left {\n  bottom: 0;\n  left: 0;\n  right: auto;\n  top: auto;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: bottom left;\n          transform-origin: bottom left;\n}\n\n.fa-layers-top-right {\n  right: 0;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top right;\n          transform-origin: top right;\n}\n\n.fa-layers-top-left {\n  left: 0;\n  right: auto;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top left;\n          transform-origin: top left;\n}\n\n.fa-lg {\n  font-size: 1.3333333333em;\n  line-height: 0.75em;\n  vertical-align: -0.0667em;\n}\n\n.fa-xs {\n  font-size: 0.75em;\n}\n\n.fa-sm {\n  font-size: 0.875em;\n}\n\n.fa-1x {\n  font-size: 1em;\n}\n\n.fa-2x {\n  font-size: 2em;\n}\n\n.fa-3x {\n  font-size: 3em;\n}\n\n.fa-4x {\n  font-size: 4em;\n}\n\n.fa-5x {\n  font-size: 5em;\n}\n\n.fa-6x {\n  font-size: 6em;\n}\n\n.fa-7x {\n  font-size: 7em;\n}\n\n.fa-8x {\n  font-size: 8em;\n}\n\n.fa-9x {\n  font-size: 9em;\n}\n\n.fa-10x {\n  font-size: 10em;\n}\n\n.fa-fw {\n  text-align: center;\n  width: 1.25em;\n}\n\n.fa-ul {\n  list-style-type: none;\n  margin-left: 2.5em;\n  padding-left: 0;\n}\n.fa-ul > li {\n  position: relative;\n}\n\n.fa-li {\n  left: -2em;\n  position: absolute;\n  text-align: center;\n  width: 2em;\n  line-height: inherit;\n}\n\n.fa-border {\n  border: solid 0.08em #eee;\n  border-radius: 0.1em;\n  padding: 0.2em 0.25em 0.15em;\n}\n\n.fa-pull-left {\n  float: left;\n}\n\n.fa-pull-right {\n  float: right;\n}\n\n.fa.fa-pull-left,\n.fas.fa-pull-left,\n.far.fa-pull-left,\n.fal.fa-pull-left,\n.fab.fa-pull-left {\n  margin-right: 0.3em;\n}\n.fa.fa-pull-right,\n.fas.fa-pull-right,\n.far.fa-pull-right,\n.fal.fa-pull-right,\n.fab.fa-pull-right {\n  margin-left: 0.3em;\n}\n\n.fa-spin {\n  -webkit-animation: fa-spin 2s infinite linear;\n          animation: fa-spin 2s infinite linear;\n}\n\n.fa-pulse {\n  -webkit-animation: fa-spin 1s infinite steps(8);\n          animation: fa-spin 1s infinite steps(8);\n}\n\n@-webkit-keyframes fa-spin {\n  0% {\n    -webkit-transform: rotate(0deg);\n            transform: rotate(0deg);\n  }\n  100% {\n    -webkit-transform: rotate(360deg);\n            transform: rotate(360deg);\n  }\n}\n\n@keyframes fa-spin {\n  0% {\n    -webkit-transform: rotate(0deg);\n            transform: rotate(0deg);\n  }\n  100% {\n    -webkit-transform: rotate(360deg);\n            transform: rotate(360deg);\n  }\n}\n.fa-rotate-90 {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=1)";\n  -webkit-transform: rotate(90deg);\n          transform: rotate(90deg);\n}\n\n.fa-rotate-180 {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=2)";\n  -webkit-transform: rotate(180deg);\n          transform: rotate(180deg);\n}\n\n.fa-rotate-270 {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=3)";\n  -webkit-transform: rotate(270deg);\n          transform: rotate(270deg);\n}\n\n.fa-flip-horizontal {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)";\n  -webkit-transform: scale(-1, 1);\n          transform: scale(-1, 1);\n}\n\n.fa-flip-vertical {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)";\n  -webkit-transform: scale(1, -1);\n          transform: scale(1, -1);\n}\n\n.fa-flip-both, .fa-flip-horizontal.fa-flip-vertical {\n  -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)";\n  -webkit-transform: scale(-1, -1);\n          transform: scale(-1, -1);\n}\n\n:root .fa-rotate-90,\n:root .fa-rotate-180,\n:root .fa-rotate-270,\n:root .fa-flip-horizontal,\n:root .fa-flip-vertical,\n:root .fa-flip-both {\n  -webkit-filter: none;\n          filter: none;\n}\n\n.fa-stack {\n  display: inline-block;\n  height: 2em;\n  position: relative;\n  width: 2.5em;\n}\n\n.fa-stack-1x,\n.fa-stack-2x {\n  bottom: 0;\n  left: 0;\n  margin: auto;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n\n.svg-inline--fa.fa-stack-1x {\n  height: 1em;\n  width: 1.25em;\n}\n.svg-inline--fa.fa-stack-2x {\n  height: 2em;\n  width: 2.5em;\n}\n\n.fa-inverse {\n  color: #fff;\n}\n\n.sr-only {\n  border: 0;\n  clip: rect(0, 0, 0, 0);\n  height: 1px;\n  margin: -1px;\n  overflow: hidden;\n  padding: 0;\n  position: absolute;\n  width: 1px;\n}\n\n.sr-only-focusable:active, .sr-only-focusable:focus {\n  clip: auto;\n  height: auto;\n  margin: 0;\n  overflow: visible;\n  position: static;\n  width: auto;\n}\n\n.svg-inline--fa .fa-primary {\n  fill: var(--fa-primary-color, currentColor);\n  opacity: 1;\n  opacity: var(--fa-primary-opacity, 1);\n}\n\n.svg-inline--fa .fa-secondary {\n  fill: var(--fa-secondary-color, currentColor);\n  opacity: 0.4;\n  opacity: var(--fa-secondary-opacity, 0.4);\n}\n\n.svg-inline--fa.fa-swap-opacity .fa-primary {\n  opacity: 0.4;\n  opacity: var(--fa-secondary-opacity, 0.4);\n}\n\n.svg-inline--fa.fa-swap-opacity .fa-secondary {\n  opacity: 1;\n  opacity: var(--fa-primary-opacity, 1);\n}\n\n.svg-inline--fa mask .fa-primary,\n.svg-inline--fa mask .fa-secondary {\n  fill: black;\n}\n\n.fad.fa-inverse {\n  color: #fff;\n}';
function css() {
  var dfp = DEFAULT_FAMILY_PREFIX;
  var drc = DEFAULT_REPLACEMENT_CLASS;
  var fp = config.familyPrefix;
  var rc = config.replacementClass;
  var s = baseStyles;
  if (fp !== dfp || rc !== drc) {
    var dPatt = new RegExp("\\.".concat(dfp, "\\-"), "g");
    var customPropPatt = new RegExp("\\--".concat(dfp, "\\-"), "g");
    var rPatt = new RegExp("\\.".concat(drc), "g");
    s = s.replace(dPatt, ".".concat(fp, "-")).replace(customPropPatt, "--".concat(fp, "-")).replace(rPatt, ".".concat(rc));
  }
  return s;
}
var Library = /* @__PURE__ */ function() {
  function Library2() {
    _classCallCheck(this, Library2);
    this.definitions = {};
  }
  _createClass(Library2, [{
    key: "add",
    value: function add() {
      var _this = this;
      for (var _len = arguments.length, definitions = new Array(_len), _key = 0; _key < _len; _key++) {
        definitions[_key] = arguments[_key];
      }
      var additions2 = definitions.reduce(this._pullDefinitions, {});
      Object.keys(additions2).forEach(function(key) {
        _this.definitions[key] = _objectSpread({}, _this.definitions[key] || {}, additions2[key]);
        defineIcons(key, additions2[key]);
        build();
      });
    }
  }, {
    key: "reset",
    value: function reset() {
      this.definitions = {};
    }
  }, {
    key: "_pullDefinitions",
    value: function _pullDefinitions(additions2, definition) {
      var normalized = definition.prefix && definition.iconName && definition.icon ? {
        0: definition
      } : definition;
      Object.keys(normalized).map(function(key) {
        var _normalized$key = normalized[key], prefix = _normalized$key.prefix, iconName = _normalized$key.iconName, icon2 = _normalized$key.icon;
        if (!additions2[prefix])
          additions2[prefix] = {};
        additions2[prefix][iconName] = icon2;
      });
      return additions2;
    }
  }]);
  return Library2;
}();
function ensureCss() {
  if (config.autoAddCss && !_cssInserted) {
    insertCss(css());
    _cssInserted = true;
  }
}
function apiObject(val, abstractCreator) {
  Object.defineProperty(val, "abstract", {
    get: abstractCreator
  });
  Object.defineProperty(val, "html", {
    get: function get() {
      return val.abstract.map(function(a2) {
        return toHtml(a2);
      });
    }
  });
  Object.defineProperty(val, "node", {
    get: function get() {
      if (!IS_DOM)
        return;
      var container = DOCUMENT.createElement("div");
      container.innerHTML = val.html;
      return container.children;
    }
  });
  return val;
}
function findIconDefinition(iconLookup) {
  var _iconLookup$prefix = iconLookup.prefix, prefix = _iconLookup$prefix === void 0 ? "fa" : _iconLookup$prefix, iconName = iconLookup.iconName;
  if (!iconName)
    return;
  return iconFromMapping(library.definitions, prefix, iconName) || iconFromMapping(namespace.styles, prefix, iconName);
}
function resolveIcons(next) {
  return function(maybeIconDefinition) {
    var params = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : {};
    var iconDefinition = (maybeIconDefinition || {}).icon ? maybeIconDefinition : findIconDefinition(maybeIconDefinition || {});
    var mask = params.mask;
    if (mask) {
      mask = (mask || {}).icon ? mask : findIconDefinition(mask || {});
    }
    return next(iconDefinition, _objectSpread({}, params, {
      mask
    }));
  };
}
var library = new Library();
var _cssInserted = false;
var icon = resolveIcons(function(iconDefinition) {
  var params = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : {};
  var _params$transform = params.transform, transform = _params$transform === void 0 ? meaninglessTransform : _params$transform, _params$symbol = params.symbol, symbol = _params$symbol === void 0 ? false : _params$symbol, _params$mask = params.mask, mask = _params$mask === void 0 ? null : _params$mask, _params$maskId = params.maskId, maskId = _params$maskId === void 0 ? null : _params$maskId, _params$title = params.title, title = _params$title === void 0 ? null : _params$title, _params$titleId = params.titleId, titleId = _params$titleId === void 0 ? null : _params$titleId, _params$classes = params.classes, classes = _params$classes === void 0 ? [] : _params$classes, _params$attributes = params.attributes, attributes = _params$attributes === void 0 ? {} : _params$attributes, _params$styles = params.styles, styles2 = _params$styles === void 0 ? {} : _params$styles;
  if (!iconDefinition)
    return;
  var prefix = iconDefinition.prefix, iconName = iconDefinition.iconName, icon2 = iconDefinition.icon;
  return apiObject(_objectSpread({
    type: "icon"
  }, iconDefinition), function() {
    ensureCss();
    if (config.autoA11y) {
      if (title) {
        attributes["aria-labelledby"] = "".concat(config.replacementClass, "-title-").concat(titleId || nextUniqueId());
      } else {
        attributes["aria-hidden"] = "true";
        attributes["focusable"] = "false";
      }
    }
    return makeInlineSvgAbstract({
      icons: {
        main: asFoundIcon(icon2),
        mask: mask ? asFoundIcon(mask.icon) : {
          found: false,
          width: null,
          height: null,
          icon: {}
        }
      },
      prefix,
      iconName,
      transform: _objectSpread({}, meaninglessTransform, transform),
      symbol,
      title,
      maskId,
      titleId,
      extra: {
        attributes,
        styles: styles2,
        classes
      }
    });
  });
});

// src/parser/parser.ts
var Parser = class {
  constructor(table) {
    this.table = table;
  }
  parse(input) {
    var length = input.length, table = this.table, output = [], stack = [], index = 0;
    while (index < length) {
      var token = input[index++];
      switch (token.data) {
        case "(":
          stack.unshift(token);
          break;
        case ")":
          if (input[index] && input[index].type == "dice" && /^d/.test(input[index].original)) {
            input[index].parenedDice = true;
          }
          while (stack.length) {
            var token = stack.shift();
            if (token.data === "(")
              break;
            else {
              output.push(token);
            }
          }
          if (token.data !== "(")
            throw new Error("Mismatched parentheses.");
          break;
        default:
          if (table.hasOwnProperty(token.data)) {
            while (stack.length) {
              var punctuator = stack[0];
              if (punctuator.data === "(")
                break;
              var operator = table[token.data], precedence = operator.precedence, antecedence = table[punctuator.data].precedence;
              if (precedence > antecedence || precedence === antecedence && operator.associativity === "right")
                break;
              else
                output.push(stack.shift());
            }
            stack.unshift(token);
          } else {
            output.push(token);
          }
      }
    }
    while (stack.length) {
      var token = stack.shift();
      if (token.data !== "(")
        output.push(token);
      else
        throw new Error("Mismatched parentheses.");
    }
    return output;
  }
};

// node_modules/monkey-around/mjs/index.js
function around(obj, factories) {
  const removers = Object.keys(factories).map((key) => around1(obj, key, factories[key]));
  return removers.length === 1 ? removers[0] : function() {
    removers.forEach((r) => r());
  };
}
function around1(obj, method, createWrapper) {
  const original = obj[method], hadOwn = obj.hasOwnProperty(method);
  let current = createWrapper(original);
  if (original)
    Object.setPrototypeOf(current, original);
  Object.setPrototypeOf(wrapper, current);
  obj[method] = wrapper;
  return remove;
  function wrapper(...args) {
    if (current === original && obj[method] === wrapper)
      remove();
    return current.apply(this, args);
  }
  function remove() {
    if (obj[method] === wrapper) {
      if (hadOwn)
        obj[method] = original;
      else
        delete obj[method];
    }
    if (current === original)
      return;
    current = original;
    Object.setPrototypeOf(wrapper, original || Function);
  }
}

// src/main.ts
var import_he = __toModule(require_he());

// src/utils/constants.ts
var TAG_REGEX = /(?:(?<roll>\d+)[Dd])?#(?<tag>[\p{Letter}\p{Emoji_Presentation}\w/-]+)(?:\|(?<collapse>[\+-]))?(?:\|(?<types>[^\+-]+))?/u;
var TABLE_REGEX = /(?:(?<roll>\d+)[Dd])?\[\[(?<link>[\s\S]+?)#?\^(?<block>[\s\S]+?)\]\]\|?(?<header>[\s\S]+)?/;
var SECTION_REGEX = /(?:(?<roll>\d+)[Dd])?\[\[(?<link>[\s\S]+)\]\]\|?(?<types>[\s\S]+)?/;
var MATH_REGEX = /[\(\^\+\-\*\/\)]/;
var OMITTED_REGEX = /(?<roll>\d+)?[Dd](?<faces>\[?(?:-?\d+\s?,)?\s?(?:-?\d+|%|F)\]?)?(?<conditional>(?:(?:=|=!|<|>|<=|>=|=<|=>|\-=|=\-)\d+)*)?/;
var CONDITIONAL_REGEX = /(?:(?<operator>=|=!|<|>|<=|>=|=<|=>|\-=|=\-)(?<comparer>\d+))/g;
var ICON_DEFINITION = "dice-roller-icon";
var COPY_DEFINITION = "dice-roller-copy";

// src/roller/dice.ts
var import_obsidian2 = __toModule(require("obsidian"));

// src/utils/util.ts
function _insertIntoMap(map, index, value) {
  let toUpdate = [...map].slice(index).reverse();
  toUpdate.forEach(([key, value2]) => {
    map.set(key + 1, value2);
  });
  map.set(index, value);
}

// src/roller/roller.ts
var import_obsidian = __toModule(require("obsidian"));
var BasicRoller = class extends import_obsidian.Events {
  constructor(plugin, original, lexemes, showDice = plugin.data.showDice) {
    super();
    this.plugin = plugin;
    this.original = original;
    this.lexemes = lexemes;
    this.showDice = showDice;
    this.loaded = false;
    this.containerEl = createDiv({
      cls: "dice-roller",
      attr: {
        "aria-label-position": "top",
        "data-dice": this.original
      }
    });
    this.save = false;
    this.resultEl = this.containerEl.createDiv("dice-roller-result");
    if (this.showDice) {
      const icon2 = this.containerEl.createDiv({
        cls: "dice-roller-button"
      });
      (0, import_obsidian.setIcon)(icon2, ICON_DEFINITION);
      icon2.onclick = this.onClick.bind(this);
    } else {
      this.containerEl.addClass("no-icon");
    }
    this.containerEl.onclick = this.onClick.bind(this);
  }
  setTooltip() {
    if (this.plugin.data.displayResultsInline)
      return;
    this.containerEl.setAttrs({
      "aria-label": this.tooltip
    });
  }
  getRandomBetween(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
  }
  async render() {
    this.setTooltip();
    await this.build();
  }
  get inlineText() {
    return `${this.tooltip.split("\n").join(" -> ")} -> `;
  }
  async onClick(evt) {
    evt.stopPropagation();
    evt.stopImmediatePropagation();
    if (window.getSelection()?.isCollapsed) {
      await this.roll();
    }
  }
};
var GenericRoller = class extends BasicRoller {
};
var GenericFileRoller = class extends GenericRoller {
  constructor(plugin, original, lexeme, source, showDice = plugin.data.showDice) {
    super(plugin, original, [lexeme], showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexeme = lexeme;
    this.source = source;
    this.watch = true;
    this.getPath();
    this.getFile();
  }
  async getFile() {
    this.file = this.plugin.app.metadataCache.getFirstLinkpathDest(this.path, this.source);
    if (!this.file || !(this.file instanceof import_obsidian.TFile))
      throw new Error("Could not load file.");
    await this.load();
    this.registerFileWatcher();
  }
  registerFileWatcher() {
    this.plugin.registerEvent(this.plugin.app.vault.on("modify", async (file) => {
      if (!this.watch)
        return;
      if (this.save)
        return;
      if (file !== this.file)
        return;
      await this.getOptions();
    }));
  }
};

// src/roller/dice.ts
var DiceRoller = class {
  constructor(dice, lexeme = {
    original: dice,
    conditionals: [],
    type: "dice",
    data: dice
  }) {
    this.lexeme = lexeme;
    this.modifiers = /* @__PURE__ */ new Map();
    this.modifiersAllowed = true;
    this.static = false;
    this.conditions = [];
    this.fudge = false;
    if (!/(\-?\d+)[dD]?(\d+|%|\[\d+,\s?\d+\])?/.test(dice)) {
      throw new Error("Non parseable dice string passed to DiceRoll.");
    }
    this.dice = dice.split(" ").join("");
    if (/^-?\d+$/.test(this.dice)) {
      this.static = true;
      this.modifiersAllowed = false;
    }
    let [, rolls, min = null, max = 1] = this.dice.match(/(\-?\d+)[dD]\[?(?:(-?\d+)\s?,)?\s?(-?\d+|%|F)\]?/) || [, 1, null, 1];
    this.multiplier = rolls < 0 ? -1 : 1;
    this.rolls = Math.abs(Number(rolls)) || 1;
    if (Number(max) < 0 && !min) {
      min = -1;
    }
    if (max === "%")
      max = 100;
    if (max === "F") {
      max = 1;
      min = -1;
      this.fudge = true;
    }
    if (Number(max) < Number(min)) {
      [max, min] = [min, max];
    }
    this.faces = { max: max ? Number(max) : 1, min: min ? Number(min) : 1 };
    this.conditions = this.lexeme.conditionals ?? [];
    this.results = new Map([...this.roll()].map((n, i) => {
      return [
        i,
        {
          usable: true,
          value: n,
          display: `${n}`,
          modifiers: /* @__PURE__ */ new Set()
        }
      ];
    }));
  }
  get text() {
    return `${this.result}`;
  }
  get result() {
    if (this.static) {
      return Number(this.dice);
    }
    const results = [...this.results].map(([, { usable, value }]) => usable ? value : 0);
    return results.reduce((a2, b2) => a2 + b2, 0);
  }
  get display() {
    if (this.static) {
      return `${this.result}`;
    }
    return `[${[...this.results].map(([, { modifiers, display }]) => `${display}${[...modifiers].join("")}`).join(", ")}]`;
  }
  keepLow(drop = 1) {
    if (!this.modifiersAllowed) {
      new import_obsidian2.Notice("Modifiers are only allowed on dice rolls.");
      return;
    }
    [...this.results].sort((a2, b2) => a2[1].value - b2[1].value).slice(drop - this.results.size).forEach(([index]) => {
      const previous = this.results.get(index);
      previous.usable = false;
      previous.modifiers.add("d");
      this.results.set(index, { ...previous });
    });
  }
  keepHigh(drop = 1) {
    if (!this.modifiersAllowed) {
      new import_obsidian2.Notice("Modifiers are only allowed on dice rolls.");
      return;
    }
    [...this.results].sort((a2, b2) => b2[1].value - a2[1].value).slice(drop).forEach(([index]) => {
      const previous = this.results.get(index);
      previous.usable = false;
      previous.modifiers.add("d");
      this.results.set(index, { ...previous });
    });
  }
  reroll(times, conditionals) {
    if (!this.modifiersAllowed) {
      new import_obsidian2.Notice("Modifiers are only allowed on dice rolls.");
      return;
    }
    if (!conditionals.length) {
      conditionals.push({
        operator: "=",
        comparer: this.faces.min
      });
    }
    let i = 0, toReroll = [...this.results].filter(([, { value }]) => this.checkCondition(value, conditionals));
    while (i < times && toReroll.filter(([, { value }]) => this.checkCondition(value, conditionals)).length > 0) {
      i++;
      toReroll.map(([, roll]) => {
        roll.modifiers.add("r");
        roll.value = this.getRandomBetween(this.faces.min, this.faces.max);
      });
    }
    toReroll.forEach(([index, value]) => {
      this.results.set(index, value);
    });
  }
  explodeAndCombine(times, conditionals) {
    if (!this.modifiersAllowed) {
      new import_obsidian2.Notice("Modifiers are only allowed on dice rolls.");
      return;
    }
    if (!conditionals.length) {
      conditionals.push({
        operator: "=",
        comparer: this.faces.max
      });
    }
    let i = 0, toExplode = [...this.results].filter(([, { value }]) => this.checkCondition(value, conditionals));
    toExplode.forEach(([index, value]) => {
      let newRoll = this.getRandomBetween(this.faces.min, this.faces.max);
      i++;
      value.modifiers.add("!");
      value.value += newRoll;
      value.display = `${value.value}`;
      this.results.set(index, value);
      while (i < times && this.checkCondition(newRoll, conditionals)) {
        i++;
        newRoll = this.getRandomBetween(this.faces.min, this.faces.max);
        value.value += newRoll;
        value.display = `${value.value}`;
        this.results.set(index, value);
      }
    });
  }
  explode(times, conditionals) {
    if (!this.modifiersAllowed) {
      new import_obsidian2.Notice("Modifiers are only allowed on dice rolls.");
      return;
    }
    if (!conditionals.length) {
      conditionals.push({
        operator: "=",
        comparer: this.faces.max
      });
    }
    let toExplode = [...this.results].filter(([, { value }]) => this.checkCondition(value, conditionals));
    let inserted = 0;
    toExplode.forEach(([key, value]) => {
      let newRoll = value.value;
      let i = 0;
      while (i < times && this.checkCondition(newRoll, conditionals)) {
        let previous = this.results.get(key + inserted + i);
        previous.modifiers.add("!");
        newRoll = this.getRandomBetween(this.faces.min, this.faces.max);
        _insertIntoMap(this.results, key + inserted + i + 1, {
          usable: true,
          value: newRoll,
          display: `${newRoll}`,
          modifiers: /* @__PURE__ */ new Set()
        });
        i++;
      }
      inserted += i;
    });
  }
  _roll() {
    if (this.static) {
      return [Number(this.dice)];
    }
    return [...Array(this.rolls)].map(() => this.multiplier * this.getRandomBetween(this.faces.min, this.faces.max));
  }
  setResults(results) {
    this.results = new Map([...results].map((n, i) => {
      return [
        i,
        {
          usable: true,
          value: n,
          display: `${n}`,
          modifiers: /* @__PURE__ */ new Set()
        }
      ];
    }));
  }
  roll() {
    const roll = this._roll();
    this.results = new Map([...roll].map((n, i) => {
      return [
        i,
        {
          usable: true,
          value: n,
          display: `${n}`,
          modifiers: /* @__PURE__ */ new Set()
        }
      ];
    }));
    for (let [type, modifier] of this.modifiers) {
      this.applyModifier(type, modifier);
    }
    if (this.conditions?.length)
      this.applyConditions();
    return roll;
  }
  applyConditions() {
    for (let [index, result] of this.results) {
      const negate = this.conditions.find(({ operator }) => operator === "-=" || operator === "=-");
      if (negate) {
        if (result.value === negate.comparer) {
          result.value = -1;
          result.modifiers.add("-");
          continue;
        }
      }
      const check = this.checkCondition(result.value, this.conditions);
      if (!check) {
        result.usable = false;
      } else {
        result.modifiers.add("*");
        result.value = 1;
      }
    }
  }
  applyModifier(type, modifier) {
    switch (type) {
      case "kh": {
        this.keepHigh(modifier.data);
        break;
      }
      case "kl": {
        this.keepLow(modifier.data);
        break;
      }
      case "!": {
        this.explode(modifier.data, modifier.conditionals);
        break;
      }
      case "!!": {
        this.explodeAndCombine(modifier.data, modifier.conditionals);
        break;
      }
      case "r": {
        this.reroll(modifier.data, modifier.conditionals);
        break;
      }
      case "condition": {
      }
    }
  }
  checkCondition(value, conditions) {
    if (!conditions || !conditions.length)
      return value;
    return conditions.some(({ operator, comparer }) => {
      if (Number.isNaN(value) || Number.isNaN(comparer)) {
        return false;
      }
      let result = false;
      switch (operator) {
        case "=":
          result = value === comparer;
          break;
        case "!=":
        case "=!":
          result = value !== comparer;
          break;
        case "<":
          result = value < comparer;
          break;
        case "<=":
          result = value <= comparer;
          break;
        case ">":
          result = value > comparer;
          break;
        case ">=":
          result = value >= comparer;
          break;
      }
      return result;
    });
  }
  getRandomBetween(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
  }
};
var StuntRoller = class extends DiceRoller {
  constructor(dice, lexeme) {
    super(`3d6`, lexeme);
    this.dice = dice;
    this.lexeme = lexeme;
  }
  get doubles() {
    return new Set([...this.results].map(([, { usable, value }]) => usable ? value : 0)).size < 3;
  }
  get result() {
    if (this.static) {
      return Number(this.dice);
    }
    const results = [...this.results].map(([, { usable, value }]) => usable ? value : 0);
    return results.reduce((a2, b2) => a2 + b2, 0);
  }
  get display() {
    let str = [];
    for (let result of this.results) {
      if (result[0] == 0 && this.doubles) {
        str.push(`${result[1].value}S`);
        continue;
      }
      str.push(`${result[1].value}`);
    }
    return `[${str.join(", ")}]`;
  }
};
var PercentRoller = class extends DiceRoller {
  constructor(dice, lexeme) {
    super(dice, lexeme);
    this.dice = dice;
    this.lexeme = lexeme;
    this.stack = [];
    const faces = `${this.faces.max}`.split("");
    for (let i = 0; i < this.rolls; i++) {
      const stack = [];
      for (const face of faces) {
        const roller = new DiceRoller(`1d${face}`);
        stack.push(roller);
        roller.roll();
      }
      this.stack.push(stack);
    }
  }
  get result() {
    return this.stack.map((stack) => Number(stack.map((dice) => dice.result).join(""))).reduce((a2, b2) => a2 + b2);
  }
  get display() {
    return this.stack.map((stack) => stack.map((v) => v.result).join(",")).join("|");
  }
  roll() {
    if (!this.stack || !this.stack.length)
      return super.roll();
    this.stack.forEach((stack) => stack.map((dice) => dice.roll()));
    return [
      ...this.stack.map((stack) => stack.map((dice) => dice.result)).flat()
    ];
  }
};
var StackRoller = class extends GenericRoller {
  constructor(plugin, original, lexemes, showDice = plugin.data.showDice) {
    super(plugin, original, lexemes, showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexemes = lexemes;
    this.stunted = "";
    this.shouldRender = false;
    this.operators = {
      "+": (a2, b2) => a2 + b2,
      "-": (a2, b2) => a2 - b2,
      "*": (a2, b2) => a2 * b2,
      "/": (a2, b2) => a2 / b2,
      "^": (a2, b2) => {
        return Math.pow(a2, b2);
      }
    };
    this.stack = [];
    this.stackCopy = [];
    this.dice = [];
    this.loaded = true;
    this.trigger("loaded");
  }
  get replacer() {
    return `${this.result}`;
  }
  get resultText() {
    let text = [];
    let index = 0;
    this.dice.forEach((dice) => {
      const slice = this.original.slice(index);
      text.push(slice.slice(0, slice.indexOf(dice.lexeme.original)), dice.display);
      index += slice.indexOf(dice.lexeme.original) + dice.lexeme.original.length;
    });
    return text.join("");
  }
  get tooltip() {
    if (this._tooltip)
      return this._tooltip;
    return `${this.original}
${this.resultText}`;
  }
  async build() {
    const result = [
      this.result.toLocaleString(navigator.language, {
        maximumFractionDigits: 2
      })
    ];
    if (this.plugin.data.displayResultsInline) {
      result.unshift(this.inlineText);
    }
    this.resultEl.setText(result.join("") + this.stunted);
  }
  async onClick(evt) {
    evt.stopPropagation();
    evt.stopImmediatePropagation();
    if (window.getSelection()?.isCollapsed) {
      await this.roll();
    }
  }
  get dynamic() {
    return this.dice.filter((d) => !d.static);
  }
  get static() {
    return this.dice.filter((d) => d.static);
  }
  get isStatic() {
    return this.dice.every((d) => d.static);
  }
  async roll() {
    let index = 0;
    this.stunted = "";
    if (this.shouldRender) {
      await this.plugin.renderRoll(this);
    } else {
      for (const dice of this.lexemes) {
        switch (dice.type) {
          case "+":
          case "-":
          case "*":
          case "/":
          case "^":
          case "math":
            let b2 = this.stack.pop(), a2 = this.stack.pop();
            if (!a2) {
              if (dice.data === "-") {
                b2 = new DiceRoller(`-${b2.dice}`, b2.lexeme);
              }
              this.stackCopy.push(dice.data);
              this.stack.push(b2);
              continue;
            }
            b2.roll();
            if (b2 instanceof StuntRoller) {
              if (b2.doubles) {
                this.stunted = ` - ${b2.results.get(0).value} Stunt Points`;
              }
            }
            a2.roll();
            if (a2 instanceof StuntRoller) {
              if (a2.doubles) {
                this.stunted = ` - ${a2.results.get(0).value} Stunt Points`;
              }
            }
            const result = this.operators[dice.data](a2.result, b2.result);
            this.stackCopy.push(dice.data);
            this.stack.push(new DiceRoller(`${result}`, dice));
            break;
          case "kh": {
            let diceInstance = this.dice[index - 1];
            let data = dice.data ? Number(dice.data) : 1;
            diceInstance.modifiers.set("kh", {
              data,
              conditionals: []
            });
            break;
          }
          case "dl": {
            let diceInstance = this.dice[index - 1];
            let data = dice.data ? Number(dice.data) : 1;
            data = diceInstance.results.size - data;
            diceInstance.modifiers.set("kh", {
              data,
              conditionals: []
            });
            break;
          }
          case "kl": {
            let diceInstance = this.dice[index - 1];
            let data = dice.data ? Number(dice.data) : 1;
            diceInstance.modifiers.set("kl", {
              data,
              conditionals: []
            });
            break;
          }
          case "dh": {
            let diceInstance = this.dice[index - 1];
            let data = dice.data ? Number(dice.data) : 1;
            data = diceInstance.results.size - data;
            diceInstance.modifiers.set("kl", {
              data,
              conditionals: []
            });
            break;
          }
          case "!": {
            let diceInstance = this.dice[index - 1];
            let data = Number(dice.data) || 1;
            diceInstance.modifiers.set("!", {
              data,
              conditionals: dice.conditionals
            });
            break;
          }
          case "!!": {
            let diceInstance = this.dice[index - 1];
            let data = Number(dice.data) || 1;
            diceInstance.modifiers.set("!!", {
              data,
              conditionals: dice.conditionals
            });
            break;
          }
          case "r": {
            let diceInstance = this.dice[index - 1];
            let data = Number(dice.data) || 1;
            diceInstance.modifiers.set("r", {
              data,
              conditionals: dice.conditionals
            });
            break;
          }
          case "dice": {
            if (dice.parenedDice && /^d/.test(dice.original) && this.stack.length) {
              const previous = this.stack.pop();
              dice.data = `${previous.result}${dice.original}`;
              this.dice[index] = new DiceRoller(dice.data, dice);
            }
            if (!this.dice[index]) {
              this.dice[index] = new DiceRoller(dice.data, dice);
            }
            this.stack.push(this.dice[index]);
            this.stackCopy.push(this.dice[index]);
            index++;
            break;
          }
          case "stunt": {
            if (!this.dice[index]) {
              this.dice[index] = new StuntRoller(dice.original, dice);
            }
            this.stack.push(this.dice[index]);
            this.stackCopy.push(this.dice[index]);
            index++;
            break;
          }
          case "%": {
            if (!this.dice[index]) {
              this.dice[index] = new PercentRoller(dice.original, dice);
            }
            this.stack.push(this.dice[index]);
            this.stackCopy.push(this.dice[index]);
            index++;
            break;
          }
        }
      }
      const final = this.stack.pop();
      final.roll();
      if (final instanceof StuntRoller) {
        if (final.doubles) {
          this.stunted = ` - ${final.results.get(0).value} Stunt Points`;
        }
      }
      this.result = final.result;
      this._tooltip = null;
    }
    this.render();
    this.trigger("new-result");
    return this.result;
  }
  recalculate() {
    let stack = [];
    let result = 0;
    for (let item of this.stackCopy) {
      if (typeof item === "string") {
        let b2 = stack.pop(), a2 = stack.pop();
        if (!a2) {
          if (item === "-") {
            b2 = new DiceRoller(`-${b2.result}`, b2.lexeme);
          }
          stack.push(b2);
          continue;
        }
        const r = this.operators[item](a2.result, b2.result);
        stack.push(new DiceRoller(`${r}`));
      } else {
        stack.push(item);
      }
    }
    if (stack.length && stack[0] instanceof DiceRoller) {
      result += stack[0].result;
    }
    this.result = result;
  }
  toResult() {
    return {
      type: "dice",
      result: this.result,
      tooltip: this.tooltip
    };
  }
  async applyResult(result) {
    if (result.type !== "dice")
      return;
    if (result.result) {
      this.result = result.result;
    }
    if (result.tooltip) {
      this._tooltip = result.tooltip;
    }
    await this.render();
  }
  setResult(result) {
  }
};

// src/roller/section.ts
var import_obsidian3 = __toModule(require("obsidian"));
function nanoid(num) {
  let result = "";
  const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
  const charactersLength = characters.length;
  for (let i = 0; i < num; i++) {
    result += characters.charAt(Math.floor(Math.random() * charactersLength));
  }
  return result;
}
function blockid(len) {
  return `dice-${nanoid(4)}`;
}
var SectionRoller = class extends GenericFileRoller {
  constructor(plugin, original, lexeme, source, inline = true, showDice = plugin.data.showDice) {
    super(plugin, original, lexeme, source, showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexeme = lexeme;
    this.inline = inline;
    this.containerEl.addClasses(["has-embed", "markdown-embed"]);
    this.resultEl.addClass("internal-embed");
    this.resultEl.setAttrs({ src: source });
    this.copy = this.containerEl.createDiv({
      cls: "dice-content-copy dice-roller-button no-show",
      attr: { "aria-label": "Copy Contents" }
    });
    this.copy.addEventListener("click", (evt) => {
      evt.stopPropagation();
      navigator.clipboard.writeText(this.displayFromCache(...this.results).trim()).then(async () => {
        new import_obsidian3.Notice("Result copied to clipboard.");
      });
    });
    (0, import_obsidian3.setIcon)(this.copy, COPY_DEFINITION);
  }
  get replacer() {
    const blockID = this.getBlockId(this.result);
    if (blockID) {
      return `![[${this.path}#^${blockID}]]`;
    }
    return ``;
  }
  get tooltip() {
    return `${this.original}
${this.path}`;
  }
  async build() {
    this.resultEl.empty();
    if (this.plugin.data.displayResultsInline && this.inline) {
      this.resultEl.createSpan({
        text: this.inlineText
      });
    }
    if (!this.results || !this.results.length) {
      this.resultEl.createDiv({
        cls: "dice-no-results",
        text: "No results."
      });
      return;
    }
    if (this.plugin.data.copyContentButton) {
      this.copy.removeClass("no-show");
    }
    for (const result of this.results) {
      this.resultEl.onclick = async (evt) => {
        if (evt && evt.getModifierState("Control") || evt.getModifierState("Meta")) {
          evt.stopPropagation();
          return;
        }
      };
      const ret = this.resultEl.createDiv({
        cls: "markdown-embed"
      });
      if (!this.plugin.data.displayResultsInline) {
        const type = "type" in result ? result.type : "List Item";
        ret.setAttrs({
          "aria-label": `${this.file.basename}: ${type}`
        });
      }
      if (!result) {
        ret.createDiv({
          cls: "dice-no-results",
          text: "No results."
        });
        continue;
      }
      import_obsidian3.MarkdownRenderer.renderMarkdown(this.displayFromCache(result), ret.createDiv(), this.source, null);
      if (this.plugin.data.copyContentButton && this.results.length > 1) {
        let copy = ret.createDiv({
          cls: "dice-content-copy dice-roller-button",
          attr: { "aria-label": "Copy Contents" }
        });
        copy.addEventListener("click", (evt) => {
          evt.stopPropagation();
          navigator.clipboard.writeText(this.displayFromCache(result).trim()).then(async () => {
            new import_obsidian3.Notice("Result copied to clipboard.");
          });
        });
        (0, import_obsidian3.setIcon)(copy, COPY_DEFINITION);
      }
    }
  }
  async load() {
    await this.getOptions();
  }
  displayFromCache(...caches) {
    let res = [];
    for (let cache of caches) {
      res.push(this.content.slice(cache.position.start.offset, cache.position.end.offset));
    }
    return res.join("\n\n");
  }
  getBlockId(cache) {
    const blocks = this.cache.blocks ?? {};
    const block = Object.entries(blocks).find(([id, block2]) => {
      return samePosition(block2.position, cache.position);
    });
    if (!block) {
      const blockID = `${blockid(4)}`;
      const content = `${this.content.slice(0, this.result.position.end.offset + 1)}^${blockID}${this.content.slice(this.result.position.end.offset)}`;
      this.watch = false;
      this.plugin.app.vault.modify(this.file, content);
      return blockID;
    }
    return block[0];
  }
  getPath() {
    const { groups } = this.lexeme.data.match(SECTION_REGEX);
    const { roll = 1, link, types } = groups;
    if (!link)
      throw new Error("Could not parse link.");
    this.rolls = (roll && !isNaN(Number(roll)) && Number(roll)) ?? 1;
    this.path = link.replace(/(\[|\])/g, "");
    this.types = types?.split(",");
    this.levels = types?.split(",").map((type) => /heading\-\d+/.test(type) ? type.split("-").pop() : null).filter((t) => t);
    this.types = types?.split(",").map((type) => /heading\-\d+/.test(type) ? type.split("-").shift() : type);
  }
  async getOptions() {
    this.cache = this.plugin.app.metadataCache.getFileCache(this.file);
    if (!this.cache || !this.cache.sections) {
      throw new Error("Could not read file cache.");
    }
    this.content = await this.plugin.app.vault.cachedRead(this.file);
    this.options = this.cache.sections.filter(({ type, position }) => {
      if (!this.types)
        return !["yaml", "thematicBreak"].includes(type);
      if (type == "heading" && this.types.includes(type) && this.levels.length) {
        const headings = (this.cache.headings ?? []).filter(({ level }) => this.levels.includes(`${level}`));
        return headings.some(({ position: pos }) => samePosition(pos, position));
      }
      return this.types.includes(type);
    });
    if (this.types && this.types.includes("listItem")) {
      this.options.push(...this.cache.listItems);
    }
    this.loaded = true;
    this.trigger("loaded");
  }
  async roll() {
    return new Promise((resolve2, reject2) => {
      if (!this.loaded) {
        this.on("loaded", () => {
          const options = [...this.options];
          this.results = [...Array(this.rolls)].map(() => {
            let option = options[this.getRandomBetween(0, options.length - 1)];
            options.splice(options.indexOf(option), 1);
            return option;
          }).filter((r) => r);
          this.render();
          this.trigger("new-result");
          this.result = this.results[0];
          resolve2(this.results[0]);
        });
      } else {
        const options = [...this.options];
        this.results = [...Array(this.rolls)].map(() => {
          let option = options[this.getRandomBetween(0, options.length - 1)];
          options.splice(options.indexOf(option), 1);
          return option;
        }).filter((r) => r);
        this.render();
        this.trigger("new-result");
        this.result = this.results[0];
        resolve2(this.results[0]);
      }
    });
  }
  toResult() {
    return {
      type: "section",
      result: this.results
    };
  }
  async applyResult(result) {
    if (result.type !== "section")
      return;
    if (result.result) {
      this.results = result.result;
    }
    await this.render();
  }
};
var TagRoller = class extends GenericRoller {
  constructor(plugin, original, lexeme, source, showDice = plugin.data.showDice) {
    super(plugin, original, [lexeme], showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexeme = lexeme;
    this.source = source;
    this.loaded = false;
    if (!this.plugin.canUseDataview) {
      new import_obsidian3.Notice("A tag can only be rolled with the Dataview plugin enabled.");
      throw new Error("A tag can only be rolled with the Dataview plugin enabled.");
    }
    this.containerEl.addClasses(["has-embed", "markdown-embed"]);
    const {
      roll = 1,
      tag,
      collapse,
      types
    } = lexeme.data.match(TAG_REGEX).groups;
    this.collapse = collapse === "-" ? true : collapse === "+" ? false : !this.plugin.data.returnAllTags;
    this.tag = `#${tag}`;
    this.rolls = Number(roll);
    this.types = types;
    this.getFiles();
  }
  get replacer() {
    return this.result.replacer;
  }
  get typeText() {
    if (!this.types?.length) {
      return "";
    }
    return `|${this.types}`;
  }
  async getFiles() {
    await this.plugin.dataviewReady();
    const files = this.plugin.dataview.index.tags.invMap.get(this.tag);
    if (files)
      files.delete(this.source);
    if (!files || !files.size) {
      throw new Error("No files found with that tag. Is the tag correct?\n\n" + this.tag);
    }
    const links = Array.from(files).map((file) => `${this.rolls}d[[${file}]]${this.typeText}`);
    this.results = links.map((link) => {
      return new SectionRoller(this.plugin, link, {
        data: link,
        original: link,
        conditionals: null,
        type: "section"
      }, this.source, false);
    });
    this.loaded = true;
    this.trigger("loaded");
  }
  async build() {
    this.resultEl.empty();
    if (this.plugin.data.displayResultsInline) {
      this.resultEl.createSpan({
        text: this.inlineText
      });
    }
    if (this.collapse) {
      this.chosen = this.random ?? this.getRandomBetween(0, this.results.length - 1);
      let section = this.results[this.chosen];
      this.random = null;
      const container = this.resultEl.createDiv();
      container.createEl("h5", {
        cls: "dice-file-name",
        text: section.file.basename
      });
      container.appendChild(section.containerEl);
    } else {
      for (let section of this.results) {
        const container = this.resultEl.createDiv();
        container.createEl("h5", {
          cls: "dice-file-name",
          text: section.file.basename
        });
        container.appendChild(section.containerEl);
      }
    }
  }
  async roll() {
    return new Promise((resolve2, reject2) => {
      if (this.loaded) {
        this.results.forEach(async (section) => await section.roll());
        this.render();
        this.trigger("new-result");
        this.result = this.results[0];
        resolve2(this.result);
      } else {
        this.on("loaded", () => {
          this.results.forEach(async (section) => await section.roll());
          this.render();
          this.trigger("new-result");
          this.result = this.results[0];
          resolve2(this.result);
        });
      }
    });
  }
  get tooltip() {
    return this.original;
  }
  toResult() {
    return {
      type: "tag",
      random: this.chosen,
      result: Object.fromEntries(this.results.map((section) => [
        section.path,
        section.toResult()
      ]))
    };
  }
  async applyResult(result) {
    if (result.type !== "tag")
      return;
    if (result.result) {
      for (let path in result.result) {
        const section = this.results.find((section2) => section2.path === path);
        if (!section)
          continue;
        section.applyResult(result.result[path]);
      }
    }
    if (result.random) {
      this.random = result.random;
    }
    await this.render();
  }
};
var LinkRoller = class extends GenericRoller {
  constructor(plugin, original, lexeme, source, showDice = plugin.data.showDice) {
    super(plugin, original, [lexeme], showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexeme = lexeme;
    this.source = source;
    const { roll = 1, tag } = lexeme.data.match(TAG_REGEX).groups;
    this.tag = `#${tag}`;
    this.rolls = (roll && !isNaN(Number(roll)) && Number(roll)) ?? 1;
    this.getFiles();
  }
  get replacer() {
    return `[[${this.result.basename}]]`;
  }
  get tooltip() {
    return `${this.original}
${this.result.basename}`;
  }
  async roll() {
    return new Promise((resolve2, reject2) => {
      if (this.loaded) {
        this.result = this.links[this.getRandomBetween(0, this.links.length - 1)];
        this.render();
        this.trigger("new-result");
        resolve2(this.result);
      } else {
        this.on("loaded", () => {
          this.result = this.links[this.getRandomBetween(0, this.links.length - 1)];
          this.render();
          this.trigger("new-result");
          resolve2(this.result);
        });
      }
    });
  }
  async build() {
    this.resultEl.empty();
    if (this.plugin.data.displayResultsInline) {
      this.resultEl.createSpan({
        text: this.inlineText
      });
    }
    const link = this.resultEl.createEl("a", {
      cls: "internal-link",
      text: this.result.basename
    });
    link.onclick = async (evt) => {
      evt.stopPropagation();
      this.plugin.app.workspace.openLinkText(this.result.path, this.plugin.app.workspace.getActiveFile()?.path, true);
    };
    link.onmouseenter = async (evt) => {
      this.plugin.app.workspace.trigger("link-hover", this, link, this.result.path, this.plugin.app.workspace.getActiveFile()?.path);
    };
  }
  async getFiles() {
    await this.plugin.dataviewReady();
    const files = this.plugin.dataview.index.tags.invMap.get(this.tag);
    if (files)
      files.delete(this.source);
    if (!files || !files.size) {
      throw new Error("No files found with that tag. Is the tag correct?\n\n" + this.tag);
    }
    this.links = Array.from(files).map((link) => this.plugin.app.metadataCache.getFirstLinkpathDest(link, this.source));
    this.loaded = true;
    this.trigger("loaded");
  }
  toResult() {
    return {
      type: "link",
      result: this.result.path
    };
  }
  async applyResult(result) {
    if (result.type !== "link")
      return;
    if (result.result) {
      const file = this.plugin.app.vault.getAbstractFileByPath(result.result);
      if (file && file instanceof import_obsidian3.TFile) {
        this.result = file;
      }
    }
    await this.render();
  }
};
var LineRoller = class extends GenericFileRoller {
  constructor(plugin, original, lexeme, source, inline = true, showDice = plugin.data.showDice) {
    super(plugin, original, lexeme, source, showDice);
    this.plugin = plugin;
    this.original = original;
    this.lexeme = lexeme;
    this.inline = inline;
    this.containerEl.addClasses(["has-embed", "markdown-embed"]);
    this.resultEl.addClass("internal-embed");
    this.resultEl.setAttrs({ src: source });
    this.copy = this.containerEl.createDiv({
      cls: "dice-content-copy dice-roller-button no-show",
      attr: { "aria-label": "Copy Contents" }
    });
    this.copy.addEventListener("click", (evt) => {
      evt.stopPropagation();
      navigator.clipboard.writeText(this.results.join("\n")).then(async () => {
        new import_obsidian3.Notice("Result copied to clipboard.");
      });
    });
    (0, import_obsidian3.setIcon)(this.copy, COPY_DEFINITION);
  }
  get replacer() {
    return this.result;
  }
  get tooltip() {
    return `${this.original}
${this.path}`;
  }
  async build() {
    this.resultEl.empty();
    if (this.plugin.data.displayResultsInline && this.inline) {
      this.resultEl.createSpan({
        text: this.inlineText
      });
    }
    if (!this.results || !this.results.length) {
      this.resultEl.createDiv({
        cls: "dice-no-results",
        text: "No results."
      });
      return;
    }
    if (this.plugin.data.copyContentButton) {
      this.copy.removeClass("no-show");
    }
    for (const result of this.results) {
      this.resultEl.onclick = async (evt) => {
        if (evt && evt.getModifierState("Control") || evt.getModifierState("Meta")) {
          evt.stopPropagation();
          return;
        }
      };
      const ret = this.resultEl.createDiv({
        cls: "markdown-embed"
      });
      if (!result) {
        ret.createDiv({
          cls: "dice-no-results",
          text: "No results."
        });
        continue;
      }
      import_obsidian3.MarkdownRenderer.renderMarkdown(result, ret.createDiv(), this.source, null);
      if (this.plugin.data.copyContentButton && this.results.length > 1) {
        let copy = ret.createDiv({
          cls: "dice-content-copy dice-roller-button",
          attr: { "aria-label": "Copy Contents" }
        });
        copy.addEventListener("click", (evt) => {
          evt.stopPropagation();
          navigator.clipboard.writeText(result).then(async () => {
            new import_obsidian3.Notice("Result copied to clipboard.");
          });
        });
        (0, import_obsidian3.setIcon)(copy, COPY_DEFINITION);
      }
    }
  }
  async load() {
    await this.getOptions();
  }
  getPath() {
    const { groups } = this.lexeme.data.match(SECTION_REGEX);
    const { roll = 1, link, types } = groups;
    if (!link)
      throw new Error("Could not parse link.");
    this.rolls = (roll && !isNaN(Number(roll)) && Number(roll)) ?? 1;
    this.path = link.replace(/(\[|\])/g, "");
    this.types = types?.split(",");
  }
  async getOptions() {
    this.content = await this.plugin.app.vault.cachedRead(this.file);
    if (!this.content) {
      throw new Error("Could not read file cache.");
    }
    this.options = this.content.trim().split("\n").map((c2) => c2.trim()).filter((c2) => c2 && c2.length);
    this.loaded = true;
    this.trigger("loaded");
  }
  async roll() {
    return new Promise((resolve2, reject2) => {
      if (!this.loaded) {
        this.on("loaded", () => {
          const options = [...this.options];
          this.results = [...Array(this.rolls)].map(() => {
            let option = options[this.getRandomBetween(0, options.length - 1)];
            options.splice(options.indexOf(option), 1);
            return option;
          }).filter((r) => r);
          this.render();
          this.trigger("new-result");
          resolve2(this.results[0]);
        });
      } else {
        const options = [...this.options];
        this.results = [...Array(this.rolls)].map(() => {
          let option = options[this.getRandomBetween(0, options.length - 1)];
          options.splice(options.indexOf(option), 1);
          return option;
        }).filter((r) => r);
        this.render();
        this.trigger("new-result");
        resolve2(this.results[0]);
      }
    });
  }
  toResult() {
    return {
      type: "section",
      result: this.results
    };
  }
  async applyResult(result) {
    if (result.type !== "section")
      return;
    if (result.result) {
      this.results = result.result;
    }
    await this.render();
  }
};
var samePosition = (pos, pos2) => {
  return pos.start.col == pos2.start.col && pos.start.line == pos2.start.line && pos.start.offset == pos2.start.offset;
};

// src/roller/table.ts
var import_obsidian4 = __toModule(require("obsidian"));
var TableRoller = class extends GenericFileRoller {
  getPath() {
    const { groups } = this.lexeme.data.match(TABLE_REGEX);
    const { roll = 1, link, block, header } = groups;
    if (!link || !block)
      throw new Error("Could not parse link.");
    this.rolls = (roll && !isNaN(Number(roll)) && Number(roll)) ?? 1;
    this.path = link.replace(/(\[|\])/g, "");
    this.block = block.replace(/(\^|#)/g, "").trim().toLowerCase();
    this.header = header;
  }
  get tooltip() {
    return `${this.original}
${this.path} > ${this.block}${this.header ? " | " + this.header : ""}`;
  }
  get replacer() {
    return this.result;
  }
  async build() {
    this.resultEl.empty();
    const result = [this.result];
    if (this.plugin.data.displayResultsInline) {
      result.unshift(this.inlineText);
    }
    import_obsidian4.MarkdownRenderer.renderMarkdown(result.join(""), this.resultEl.createSpan("embedded-table-result"), this.source, null);
  }
  async getResult() {
    if (this.isLookup) {
      const result = await this.lookupRoller.roll();
      const option = this.lookupRanges.find(([range]) => range[1] === void 0 && result === range[0] || result >= range[0] && range[1] >= result);
      if (option) {
        return option[1];
      }
    }
    const options = [...this.options];
    return [...Array(this.rolls)].map(() => {
      let option = options[this.getRandomBetween(0, options.length - 1)];
      options.splice(options.indexOf(option), 1);
      return option;
    }).join("||");
  }
  async roll() {
    return new Promise(async (resolve2) => {
      if (this.loaded) {
        this.result = await this.getResult();
        this.render();
        this.trigger("new-result");
        resolve2(this.result);
      } else {
        this.on("loaded", async () => {
          this.result = await this.getResult();
          this.render();
          this.trigger("new-result");
          resolve2(this.result);
        });
      }
    });
  }
  async load() {
    await this.getOptions();
  }
  async getOptions() {
    this.cache = this.plugin.app.metadataCache.getFileCache(this.file);
    if (!this.cache || !this.cache.blocks || !(this.block in this.cache.blocks)) {
      throw new Error(`Could not read file cache. Does the block reference exist?

${this.path} > ${this.block}`);
    }
    const section = this.cache.sections?.find((s) => s.position == this.cache.blocks[this.block].position);
    this.position = this.cache.blocks[this.block].position;
    this.content = (await this.plugin.app.vault.cachedRead(this.file))?.slice(this.position.start.offset, this.position.end.offset);
    if (section && section.type === "list") {
      this.options = this.content.split("\n");
    } else {
      let table = extract(this.content);
      if (Object.keys(table.columns).length === 2 && /dice:\s*([\s\S]+)\s*?/.test(Object.keys(table.columns)[0])) {
        const roller = this.plugin.getRoller(Object.keys(table.columns)[0].split(":").pop(), this.source);
        if (roller instanceof StackRoller) {
          this.lookupRoller = roller;
          await this.lookupRoller.roll();
          this.lookupRanges = table.rows.map((row) => {
            const [range, option] = row.split("|").map((str) => str.replace("{ESCAPED_PIPE}", "|")).map((s) => s.trim());
            let [, min, max] = range.match(/(\d+)(?:[^\d]+?(\d+))?/) ?? [];
            if (!min && !max)
              return;
            return [
              [Number(min), max ? Number(max) : void 0],
              option
            ];
          });
          this.isLookup = true;
        }
      }
      if (this.header && table.columns[this.header]) {
        this.options = table.columns[this.header];
      } else {
        if (this.header) {
          throw new Error(`Header ${this.header} was not found in table ${this.path} > ${this.block}.`);
        }
        this.options = table.rows;
      }
    }
    this.loaded = true;
    this.trigger("loaded");
  }
  toResult() {
    return {
      type: "table",
      result: this.result
    };
  }
  async applyResult(result) {
    if (result.type !== "table")
      return;
    if (result.result) {
      this.result = result.result;
    }
    await this.render();
  }
};
var MATCH = /^\|?([\s\S]+?)\|?$/;
var SPLIT = /\|/;
function extract(content) {
  const lines = content.split("\n");
  const inner = lines.map((l) => (l.trim().match(MATCH) ?? [, l.trim()])[1]);
  const headers = inner[0].replace("\\|", "{ESCAPED_PIPE}").split(SPLIT);
  const rows = [];
  const ret = [];
  for (let index in headers) {
    let header = headers[index];
    if (!header.trim().length)
      header = index;
    ret.push([header.trim(), []]);
  }
  for (let line of lines.slice(2)) {
    const entries = line.trim().replace("\\|", "{ESCAPED_PIPE}").split(SPLIT).map((e) => e.trim()).filter((e) => e.length);
    rows.push(entries.join(" | "));
    for (let index in entries) {
      const entry = entries[index].trim();
      if (!entry.length || !ret[index])
        continue;
      ret[index][1].push(entry);
    }
  }
  return {
    columns: Object.fromEntries(ret),
    rows
  };
}

// src/settings/settings.ts
var import_obsidian5 = __toModule(require("obsidian"));
var SettingTab = class extends import_obsidian5.PluginSettingTab {
  constructor(app, plugin) {
    super(app, plugin);
    this.plugin = plugin;
    this.plugin = plugin;
  }
  async display() {
    let { containerEl } = this;
    containerEl.empty();
    containerEl.addClass("dice-roller-settings");
    containerEl.createEl("h2", { text: "Dice Roller Settings" });
    new import_obsidian5.Setting(containerEl).setName("Roll All Files for Tags").setDesc("Return a result for each file when rolling tags.").addToggle((t) => {
      t.setValue(this.plugin.data.returnAllTags);
      t.onChange(async (v) => {
        this.plugin.data.returnAllTags = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Always Return Links for Tags").setDesc("Enables random link rolling with the link parameter. Override by specifying a section type.").addToggle((t) => {
      t.setValue(this.plugin.data.rollLinksForTags);
      t.onChange(async (v) => {
        this.plugin.data.rollLinksForTags = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Add Copy Button to Section Results").setDesc("Randomly rolled sections will have a copy-content button to easy add result to clipboard.").addToggle((t) => {
      t.setValue(this.plugin.data.copyContentButton);
      t.onChange(async (v) => {
        this.plugin.data.copyContentButton = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Display Formula With Results").setDesc("Both the formula and the results will both be displayed in preview mode.").addToggle((t) => {
      t.setValue(this.plugin.data.displayResultsInline);
      t.onChange(async (v) => {
        this.plugin.data.displayResultsInline = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Add Formula When Modifying").setDesc(createFragment((e) => {
      e.createSpan({
        text: "Both the formula and the results will both be added to the node when using "
      });
      e.createEl("code", { text: "dice-mod" });
      e.createSpan({ text: "." });
    })).addToggle((t) => {
      t.setValue(this.plugin.data.displayFormulaForMod);
      t.onChange(async (v) => {
        this.plugin.data.displayFormulaForMod = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Display Lookup Table Roll").setDesc("Lookup table rolls will display the rolled number along with the result.").addToggle((t) => {
      t.setValue(this.plugin.data.displayLookupRoll);
      t.onChange(async (v) => {
        this.plugin.data.displayLookupRoll = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Show Dice Button").setDesc("A dice button will appear next to results.").addToggle((t) => {
      t.setValue(this.plugin.data.showDice);
      t.onChange(async (v) => {
        this.plugin.data.showDice = v;
        await this.plugin.saveSettings();
      });
    });
    const save = new import_obsidian5.Setting(containerEl).setName("Globally Save Results").setDesc("Dice results will be saved by default. This can be overridden using ").addToggle((t) => {
      t.setValue(this.plugin.data.persistResults);
      t.onChange(async (v) => {
        this.plugin.data.persistResults = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Open Dice View on Startup").setDesc("The dice view can always be opened using the command from the command palette.").addToggle((t) => {
      t.setValue(this.plugin.data.showLeafOnStartup);
      t.onChange(async (v) => {
        this.plugin.data.showLeafOnStartup = v;
        await this.plugin.saveSettings();
      });
    });
    new import_obsidian5.Setting(containerEl).setName("Display graphics for Dice View Rolls").setDesc("Dice rolls from dice view will be displayed on screen.").addToggle((t) => {
      t.setValue(this.plugin.data.renderer);
      t.onChange(async (v) => {
        this.plugin.data.renderer = v;
        await this.plugin.saveSettings();
      });
    });
    const diceColor = new import_obsidian5.Setting(containerEl).setName("Dice Base Color").setDesc("Rendered dice will be this color.");
    diceColor.controlEl.createEl("input", {
      type: "color",
      value: this.plugin.data.diceColor
    }, (el) => {
      el.value = this.plugin.data.diceColor;
      el.onchange = async ({ target }) => {
        let color = target.value;
        this.plugin.data.diceColor = color;
        await this.plugin.saveSettings();
        this.plugin.app.workspace.trigger("dice-roller:update-colors");
      };
    });
    const textColor = new import_obsidian5.Setting(containerEl).setName("Dice Text Color").setDesc("Rendered dice will use this color for their numbers.");
    textColor.controlEl.createEl("input", {
      type: "color",
      value: this.plugin.data.textColor
    }, (el) => {
      el.value = this.plugin.data.textColor;
      el.onchange = async ({ target }) => {
        let color = target.value;
        if (!color)
          return;
        this.plugin.data.textColor = color;
        await this.plugin.saveSettings();
        this.plugin.app.workspace.trigger("dice-roller:update-colors");
      };
    });
    new import_obsidian5.Setting(containerEl).setName("Default Face").setDesc("Use this as the number of faces when it is omitted.").addText((t) => {
      t.setValue(`${this.plugin.data.defaultFace}`);
      t.inputEl.onblur = async () => {
        if (isNaN(Number(t.inputEl.value))) {
          new import_obsidian5.Notice("The default face must be a number.");
        }
        this.plugin.data.defaultFace = Number(t.inputEl.value);
        await this.plugin.saveSettings();
      };
    });
    save.descEl.createEl("code", { text: `dice-: formula` });
    save.descEl.createEl("p", {
      text: "Please note that the plugin will attempt to save the result but may not be able to."
    });
    this.additionalContainer = containerEl.createDiv("dice-roller-setting-additional-container");
    this.buildFormulaSettings();
    const div = containerEl.createDiv("coffee");
    div.createEl("a", {
      href: "https://www.buymeacoffee.com/valentine195"
    }).createEl("img", {
      attr: {
        src: "https://img.buymeacoffee.com/button-api/?text=Buy me a coffee&emoji=\u2615&slug=valentine195&button_colour=e3e7ef&font_colour=262626&font_family=Inter&outline_colour=262626&coffee_colour=ff0000"
      }
    });
  }
  buildFormulaSettings() {
    this.additionalContainer.empty();
    const addNew = this.additionalContainer.createDiv();
    new import_obsidian5.Setting(addNew).setName("Add Formula").setDesc("Add a new formula shortcut.").addButton((button) => {
      let b2 = button.setTooltip("Add Formula").setButtonText("+").onClick(async () => {
        const formula = await this.buildFormulaForm(addNew);
        if (formula) {
          this.plugin.data.formulas[formula.alias] = formula.formula;
          this.buildFormulaSettings();
          await this.plugin.saveSettings();
        }
      });
      return b2;
    });
    const additional = this.additionalContainer.createDiv("additional");
    const formulas = this.plugin.data.formulas;
    for (const [alias, formula] of Object.entries(formulas)) {
      const setting = new import_obsidian5.Setting(additional).setName(alias);
      setting.controlEl.createSpan({ text: formula });
      setting.addExtraButton((b2) => b2.setIcon("pencil").setTooltip("Edit").onClick(async () => {
        const edited = await this.buildFormulaForm(addNew, {
          alias,
          formula
        });
        if (edited) {
          delete this.plugin.data.formulas[alias];
          this.plugin.data.formulas[edited.alias] = edited.formula;
          this.buildFormulaSettings();
          await this.plugin.saveSettings();
        }
      })).addExtraButton((b2) => b2.setIcon("trash").setTooltip("Delete").onClick(async () => {
        delete this.plugin.data.formulas[alias];
        await this.plugin.saveSettings();
        this.buildFormulaSettings();
      }));
    }
    if (!Object.values(formulas).length) {
      additional.createSpan({
        text: "Create a formula to see it here!",
        cls: "no-formulas"
      });
    }
  }
  async buildFormulaForm(el, temp = {
    alias: null,
    formula: null
  }) {
    return new Promise((resolve2) => {
      const formulaEl = el.createDiv("add-new-formula");
      const dataEl = formulaEl.createDiv("formula-data");
      new import_obsidian5.Setting(dataEl).setName("Alias").addText((t) => {
        t.setValue(temp.alias).onChange((v) => temp.alias = v);
      });
      new import_obsidian5.Setting(dataEl).setName("Formula").addText((t) => {
        t.setValue(temp.formula).onChange((v) => temp.formula = v);
      });
      const buttonEl = formulaEl.createDiv("formula-buttons");
      new import_obsidian5.Setting(buttonEl).addButton((b2) => b2.setCta().setButtonText("Save").onClick(async () => {
        formulaEl.detach();
        resolve2(temp);
      })).addExtraButton((b2) => b2.setIcon("cross").setTooltip("Cancel").onClick(() => {
        formulaEl.detach();
        resolve2(null);
      }));
    });
  }
};

// src/view/view.ts
var import_obsidian6 = __toModule(require("obsidian"));
var VIEW_TYPE = "DICE_ROLLER_VIEW";
var D4 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><path class="cls-1" d="M244.62,49.31,40.31,403.19a6.21,6.21,0,0,0,5.38,9.31H454.31a6.21,6.21,0,0,0,5.38-9.31L255.38,49.31A6.21,6.21,0,0,0,244.62,49.31Z"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M270.21,278.16h21.7v16.22h-21.7v36.31h-20V294.38H179V282.67l70-108.39h21.16Zm-68.64,0h48.66v-76.7l-2.36,4.3Z"/></g></svg>`;
var D6 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><rect class="cls-1" x="87.5" y="87.5" width="325" height="325" rx="10"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M279.22,174.18V191h-3.65q-23.2.44-37,13.75t-15.9,37.49q12.36-14.17,33.74-14.18,20.4,0,32.6,14.4t12.19,37.17q0,24.16-13.16,38.67t-35.29,14.5q-22.46,0-36.41-17.24t-14-44.42v-7.63q0-43.19,18.42-66t54.84-23.36Zm-26.1,70.47a33.41,33.41,0,0,0-30.73,21.48v7.31q0,19.33,8.7,31.15t21.7,11.81q13.43,0,21.11-9.88t7.68-25.89q0-16.11-7.79-26A25,25,0,0,0,253.12,244.65Z"/></g></svg>`;
var D8 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><rect class="cls-1" x="102.75" y="102.75" width="294.51" height="294.51" rx="9.8" transform="translate(-103.55 250) rotate(-45)"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M292.08,215.1a36.35,36.35,0,0,1-6.17,20.84,42.05,42.05,0,0,1-16.71,14.29,44.8,44.8,0,0,1,19.39,15.36,38.7,38.7,0,0,1,7.15,22.88q0,20.31-13.7,32.34t-36,12q-22.56,0-36.15-12.09t-13.59-32.28a39.84,39.84,0,0,1,6.93-22.88,43.14,43.14,0,0,1,19.18-15.47,40.88,40.88,0,0,1-16.44-14.28,36.85,36.85,0,0,1-6-20.74q0-19.75,12.67-31.36T246,172.14q20.63,0,33.35,11.6T292.08,215.1ZM275.86,288q0-13.1-8.32-21.37t-21.75-8.27q-13.44,0-21.54,8.16T216.14,288q0,13.33,7.89,20.95t22,7.63q14,0,21.91-7.68T275.86,288ZM246,188.46q-11.72,0-19,7.26t-7.25,19.71q0,11.92,7.14,19.28T246,242.07q11.92,0,19.07-7.36t7.14-19.28q0-11.93-7.41-19.45T246,188.46Z"/></g></svg>`;
var D10 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><rect class="cls-1" x="102.75" y="102.75" width="294.51" height="294.51" rx="9.8" transform="translate(-103.55 250) rotate(-45)"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M219,330.69H199V198.24L158.92,213V194.91l56.93-21.38H219Z"/><path d="M344.47,264q0,34.92-11.93,51.89t-37.27,17q-25,0-37.06-16.6t-12.46-49.57V240.13q0-34.47,11.92-51.24t37.38-16.75q25.24,0,37.17,16.16t12.25,49.9ZM324.59,236.8q0-25.23-7.09-36.79t-22.45-11.55q-15.26,0-22.23,11.5t-7.2,35.34v31.8q0,25.35,7.36,37.43t22.29,12.09q14.72,0,21.86-11.39t7.46-35.88Z"/></g></svg>`;
var D12 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><path class="cls-1" d="M244.31,29.14,52,168.87a9.72,9.72,0,0,0-3.52,10.84l73.47,226.1a9.69,9.69,0,0,0,9.21,6.69H368.87a9.69,9.69,0,0,0,9.21-6.69l73.47-226.1A9.72,9.72,0,0,0,448,168.87L255.69,29.14A9.66,9.66,0,0,0,244.31,29.14Z"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M208,330.69H188V198.24L147.93,213V194.91l56.93-21.38H208Z"/><path d="M342.28,330.69H239.8V316.4l54.14-60.15q12-13.65,16.6-22.19a37,37,0,0,0,4.56-17.67q0-12.24-7.41-20.08t-19.77-7.85q-14.82,0-23,8.44t-8.22,23.47H236.79q0-21.6,13.91-34.91t37.22-13.32q21.81,0,34.49,11.44T335.08,214q0,23.1-29.43,55l-41.9,45.44h78.53Z"/></g></svg>`;
var D20 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><path class="cls-1" d="M55.14,143.27V356.73a10,10,0,0,0,5,8.66L245,472.11a10,10,0,0,0,10,0L439.86,365.39a10,10,0,0,0,5-8.66V143.27a10,10,0,0,0-5-8.66L255,27.89a10,10,0,0,0-10,0L60.14,134.61A10,10,0,0,0,55.14,143.27Z"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M251.34,330.69H148.86V316.4L203,256.25q12-13.65,16.6-22.19a37,37,0,0,0,4.57-17.67q0-12.24-7.42-20.08T197,188.46q-14.82,0-23,8.44t-8.22,23.47H145.86q0-21.6,13.91-34.91T197,172.14q21.81,0,34.48,11.44T244.15,214q0,23.1-29.44,55l-41.89,45.44h78.52Z"/><path d="M361.67,264q0,34.92-11.92,51.89t-37.27,17q-25,0-37.06-16.6T263,266.67V240.13q0-34.47,11.93-51.24t37.38-16.75q25.25,0,37.17,16.16t12.24,49.9ZM341.8,236.8q0-25.23-7.09-36.79t-22.45-11.55Q297,188.46,290,200t-7.19,35.34v31.8q0,25.35,7.36,37.43t22.29,12.09q14.72,0,21.86-11.39t7.46-35.88Z"/></g></svg>`;
var D100 = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500"><defs><style>.cls-1{fill:none;stroke: currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:15px !important;}</style></defs><g id="Shapes"><circle class="cls-1" cx="246.23" cy="250" r="189.38"/></g><g fill="currentColor" id="Layer_1" data-name="Layer 1"><path d="M172.54,194.88q0-15.7,10.19-25.49t26.72-9.79q16.76,0,27,9.67t10.19,26.19v8.44q0,15.82-10.19,25.43t-26.72,9.61q-16.65,0-26.9-9.67T172.54,203.2Zm22.5,9.17q0,7.06,4,11.37a13.88,13.88,0,0,0,10.61,4.3,13.24,13.24,0,0,0,10.43-4.36Q224,211,224,203.69V195c0-4.71-1.28-8.53-3.86-11.43s-6.14-4.36-10.67-4.36a13.56,13.56,0,0,0-10.43,4.3q-4,4.31-4,12Zm21.33,115.87L199.84,311l83.32-133.36,16.53,8.91Zm37.73-29.06q0-15.83,10.31-25.49t26.72-9.67q16.65,0,26.9,9.55t10.25,26.31V300q0,15.71-10.08,25.37T291.37,335q-16.87,0-27.07-9.73t-10.2-25.78Zm22.5,9.28a15.82,15.82,0,0,0,4.22,11.08,13.71,13.71,0,0,0,10.55,4.6q14.29,0,14.29-15.92V291q0-7.08-4-11.38a15.08,15.08,0,0,0-21.09,0q-4,4.31-4,11.73Z"/></g></svg>`;
(0, import_obsidian6.addIcon)("d4", D4);
(0, import_obsidian6.addIcon)("d6", D6);
(0, import_obsidian6.addIcon)("d8", D8);
(0, import_obsidian6.addIcon)("d10", D10);
(0, import_obsidian6.addIcon)("d12", D12);
(0, import_obsidian6.addIcon)("d20", D20);
(0, import_obsidian6.addIcon)("d100", D100);
(0, import_obsidian6.addIcon)("dice-roller-save", `<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" data-prefix="far" data-icon="save" class="svg-inline--fa fa-save fa-w-14" role="img" viewBox="0 0 448 512"><path fill="currentColor" d="M433.941 129.941l-83.882-83.882A48 48 0 0 0 316.118 32H48C21.49 32 0 53.49 0 80v352c0 26.51 21.49 48 48 48h352c26.51 0 48-21.49 48-48V163.882a48 48 0 0 0-14.059-33.941zM272 80v80H144V80h128zm122 352H54a6 6 0 0 1-6-6V86a6 6 0 0 1 6-6h42v104c0 13.255 10.745 24 24 24h176c13.255 0 24-10.745 24-24V83.882l78.243 78.243a6 6 0 0 1 1.757 4.243V426a6 6 0 0 1-6 6zM224 232c-48.523 0-88 39.477-88 88s39.477 88 88 88 88-39.477 88-88-39.477-88-88-88zm0 128c-22.056 0-40-17.944-40-40s17.944-40 40-40 40 17.944 40 40-17.944 40-40 40z"/></svg>`);
(0, import_obsidian6.addIcon)("dice-roller-plus", `<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" data-prefix="far" data-icon="plus-square" class="svg-inline--fa fa-plus-square fa-w-14" role="img" viewBox="0 0 448 512"><path fill="currentColor" d="M352 240v32c0 6.6-5.4 12-12 12h-88v88c0 6.6-5.4 12-12 12h-32c-6.6 0-12-5.4-12-12v-88h-88c-6.6 0-12-5.4-12-12v-32c0-6.6 5.4-12 12-12h88v-88c0-6.6 5.4-12 12-12h32c6.6 0 12 5.4 12 12v88h88c6.6 0 12 5.4 12 12zm96-160v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V80c0-26.5 21.5-48 48-48h352c26.5 0 48 21.5 48 48zm-48 346V86c0-3.3-2.7-6-6-6H54c-3.3 0-6 2.7-6 6v340c0 3.3 2.7 6 6 6h340c3.3 0 6-2.7 6-6z"/></svg>`);
(0, import_obsidian6.addIcon)("dice-roller-minus", `<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" data-prefix="far" data-icon="minus-square" class="svg-inline--fa fa-minus-square fa-w-14" role="img" viewBox="0 0 448 512"><path fill="currentColor" d="M108 284c-6.6 0-12-5.4-12-12v-32c0-6.6 5.4-12 12-12h232c6.6 0 12 5.4 12 12v32c0 6.6-5.4 12-12 12H108zM448 80v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V80c0-26.5 21.5-48 48-48h352c26.5 0 48 21.5 48 48zm-48 346V86c0-3.3-2.7-6-6-6H54c-3.3 0-6 2.7-6 6v340c0 3.3 2.7 6 6 6h340c3.3 0 6-2.7 6-6z"/></svg>`);
var DiceView = class extends import_obsidian6.ItemView {
  constructor(plugin, leaf) {
    super(leaf);
    this.plugin = plugin;
    this.leaf = leaf;
    this.dice = DiceView.DICE();
    this.custom = "";
    this.adv = false;
    this.dis = false;
    this.add = 0;
    this.contentEl.addClass("dice-roller-view");
    this.registerEvent(this.plugin.app.workspace.on("dice-roller:update-colors", () => {
      this.renderer.factory.updateColors();
    }));
  }
  static DICE() {
    return {
      d4: 0,
      d6: 0,
      d8: 0,
      d10: 0,
      d12: 0,
      d20: 0,
      d100: 0
    };
  }
  get customFormulas() {
    return this.plugin.data.customFormulas;
  }
  get renderer() {
    return this.plugin.renderer;
  }
  async onOpen() {
    this.display();
  }
  async display() {
    this.contentEl.empty();
    this.gridEl = this.contentEl.createDiv("dice-roller-grid");
    this.formulaEl = this.contentEl.createDiv("dice-roller-formula");
    const resultsEl = this.contentEl.createDiv("dice-roller-results-container");
    const headerEl = resultsEl.createDiv("dice-roller-results-header");
    headerEl.createEl("h4", { text: "Results" });
    new import_obsidian6.ExtraButtonComponent(headerEl.createDiv("clear-all")).setIcon("trash").setTooltip("Clear All").onClick(() => {
      this.resultEl.empty();
      this.resultEl.append(this.noResultsEl);
    });
    this.resultEl = resultsEl.createDiv("dice-roller-results");
    this.noResultsEl = this.resultEl.createSpan({
      text: "No results yet! Roll some dice to get started :)"
    });
    this.buildButtons();
    this.buildFormula();
  }
  buildButtons() {
    this.gridEl.empty();
    const buttons = this.gridEl.createDiv("dice-buttons");
    for (let type in this.dice) {
      const button = new import_obsidian6.ExtraButtonComponent(buttons.createDiv("dice-button")).setIcon(type);
      button.extraSettingsEl.onclick = async (evt) => {
        let add2 = evt.getModifierState("Shift") ? -1 : 1;
        this.dice[type] += add2;
        this.setFormula();
        const roller = await this.plugin.getRoller(this.formulaComponent.inputEl.value, "view");
        if (roller instanceof StackRoller) {
          this.stack = roller;
        }
      };
    }
    const advDis = this.gridEl.createDiv("advantage-disadvantage");
    const adv = new import_obsidian6.ButtonComponent(advDis).setButtonText("ADV").onClick(() => {
      this.adv = !this.adv;
      this.dis = false;
      if (this.adv) {
        adv.setCta();
        dis.removeCta();
      } else {
        adv.removeCta();
      }
      this.setFormula();
    });
    const dis = new import_obsidian6.ButtonComponent(advDis).setButtonText("DIS").onClick(() => {
      this.dis = !this.dis;
      if (this.dis) {
        dis.setCta();
        adv.removeCta();
      } else {
        dis.removeCta();
      }
      this.adv = false;
      this.setFormula();
    });
    const add = this.gridEl.createDiv("dice-context").createDiv("add-subtract");
    new import_obsidian6.ExtraButtonComponent(add).setIcon("dice-roller-minus").onClick(() => {
      this.add -= 1;
      addComponent.setValue(`${this.add}`);
      this.setFormula();
    });
    const addComponent = new import_obsidian6.TextComponent(add).setValue(`${this.add ? this.add : ""}`).onChange((v) => {
      if (!isNaN(Number(v)))
        this.add = Number(v);
      this.setFormula();
    });
    new import_obsidian6.ExtraButtonComponent(add).setIcon("dice-roller-plus").onClick(() => {
      this.add += 1;
      addComponent.setValue(`${this.add}`);
      this.setFormula();
    });
    if (this.customFormulas.length) {
      const customs = this.gridEl.createDiv("dice-roller-results-container");
      const headerEl = customs.createDiv("dice-roller-results-header");
      headerEl.createEl("h4", { text: "Saved Formulas" });
      for (let formula of this.customFormulas) {
        const containerEl = customs.createDiv("dice-custom-formula-container");
        const formulaEl = containerEl.createDiv("dice-custom-formula");
        new import_obsidian6.ExtraButtonComponent(formulaEl).setIcon(ICON_DEFINITION).setTooltip("Roll").onClick(() => this.roll(formula));
        formulaEl.createSpan({ text: formula });
        new import_obsidian6.ExtraButtonComponent(containerEl).setIcon("trash").setTooltip("Remove").onClick(() => {
          this.plugin.data.customFormulas = this.plugin.data.customFormulas.filter((f) => f != formula);
          this.plugin.saveSettings();
          this.buildButtons();
        });
      }
    }
  }
  async roll(formula = this.formulaComponent.inputEl.value) {
    if (!formula) {
      return;
    }
    this.rollButton.setDisabled(true);
    const roller = await this.plugin.getRoller(formula, "view");
    if (!(roller instanceof StackRoller)) {
      new import_obsidian6.Notice("The Dice View only supports dice rolls.");
      return;
    }
    await roller.roll();
    if (!roller.dice.length) {
      new import_obsidian6.Notice("Invalid formula.");
      return;
    }
    try {
      if (this.plugin.data.renderer) {
        this.addChild(this.renderer);
        this.renderer.setDice(roller);
        await this.renderer.start();
        roller.recalculate();
      }
    } catch (e) {
      new import_obsidian6.Notice("There was an error rendering the roll.");
      console.error(e);
    }
    this.rollButton.setDisabled(false);
    this.addResult({
      result: roller.result,
      original: roller.original,
      resultText: roller.resultText
    });
    this.dice = DiceView.DICE();
    this.add = null;
    this.adv = false;
    this.dis = false;
    this.buildButtons();
    this.setFormula();
  }
  buildFormula() {
    this.formulaEl.empty();
    this.formulaComponent = new import_obsidian6.TextAreaComponent(this.formulaEl).setPlaceholder("Dice Formula");
    this.formulaComponent.onChange((0, import_obsidian6.debounce)(async (v) => {
    }, 500, true));
    const buttons = this.formulaEl.createDiv("action-buttons");
    this.saveButton = new import_obsidian6.ButtonComponent(buttons).setIcon("plus-with-circle").setCta().setTooltip("Save Formula").onClick(() => this.save());
    this.saveButton.buttonEl.addClass("dice-roller-roll");
    this.rollButton = new import_obsidian6.ButtonComponent(buttons).setIcon(ICON_DEFINITION).setCta().setTooltip("Roll").onClick(() => this.roll());
    this.rollButton.buttonEl.addClass("dice-roller-roll");
  }
  save() {
    if (!this.formulaComponent.inputEl.value)
      return;
    this.plugin.data.customFormulas.push(this.formulaComponent.inputEl.value);
    this.buildButtons();
    this.plugin.saveSettings();
  }
  addResult(roller) {
    if (this.noResultsEl) {
      this.noResultsEl.detach();
    }
    const result = createDiv("view-result");
    result.createSpan({
      text: roller.original
    });
    result.createEl("strong", {
      text: `${roller.result}`,
      attr: {
        "aria-label": roller.resultText
      }
    });
    const context = result.createDiv("result-context");
    context.createEl("em", { text: new Date().toLocaleString() });
    new import_obsidian6.ExtraButtonComponent(context).setIcon("trash").onClick(() => {
      result.detach();
      if (this.resultEl.children.length === 0) {
        this.resultEl.prepend(this.noResultsEl);
      }
    });
    const copy = new import_obsidian6.ExtraButtonComponent(context).setIcon(COPY_DEFINITION).setTooltip("Copy Result").onClick(async () => {
      await navigator.clipboard.writeText(`${roller.result}`);
    });
    copy.extraSettingsEl.addClass("dice-content-copy");
    const reroll = new import_obsidian6.ExtraButtonComponent(context).setIcon(ICON_DEFINITION).setTooltip("Roll Again").onClick(() => this.roll(roller.original));
    reroll.extraSettingsEl.addClass("dice-result-reroll");
    this.resultEl.prepend(result);
  }
  get formulaString() {
    const result = [];
    const dice = Object.entries(this.dice).filter(([type, num]) => num != 0);
    if (!dice.length)
      return "";
    dice.sort((a2, b2) => Number(b2[0].slice(1)) - Number(a2[0].slice(1)));
    const first = dice.shift();
    result.push(`${first[1]}${first[0]}`);
    if (this.adv) {
      result.push("kh");
    } else if (this.dis) {
      result.push("dh");
    }
    if (dice.length) {
      result.push(...dice.map(([type, num]) => `${num > 0 ? "+" : "-"}${Math.abs(num)}${type}`));
    }
    if (this.add && this.add != 0) {
      result.push(this.add > 0 ? "+" : "-");
      result.push(Math.abs(this.add));
    }
    return result.join("");
  }
  setFormula() {
    this.formulaComponent.setValue(this.formulaString);
  }
  getDisplayText() {
    return "Dice Roller";
  }
  getViewType() {
    return VIEW_TYPE;
  }
  getIcon() {
    return ICON_DEFINITION;
  }
  async onClose() {
    await super.onClose();
    this.renderer.unload();
  }
};

// src/view/renderer.ts
var import_obsidian7 = __toModule(require("obsidian"));

// node_modules/three/build/three.module.js
var REVISION = "132";
var CullFaceNone = 0;
var CullFaceBack = 1;
var CullFaceFront = 2;
var PCFShadowMap = 1;
var PCFSoftShadowMap = 2;
var VSMShadowMap = 3;
var FrontSide = 0;
var BackSide = 1;
var DoubleSide = 2;
var FlatShading = 1;
var NoBlending = 0;
var NormalBlending = 1;
var AdditiveBlending = 2;
var SubtractiveBlending = 3;
var MultiplyBlending = 4;
var CustomBlending = 5;
var AddEquation = 100;
var SubtractEquation = 101;
var ReverseSubtractEquation = 102;
var MinEquation = 103;
var MaxEquation = 104;
var ZeroFactor = 200;
var OneFactor = 201;
var SrcColorFactor = 202;
var OneMinusSrcColorFactor = 203;
var SrcAlphaFactor = 204;
var OneMinusSrcAlphaFactor = 205;
var DstAlphaFactor = 206;
var OneMinusDstAlphaFactor = 207;
var DstColorFactor = 208;
var OneMinusDstColorFactor = 209;
var SrcAlphaSaturateFactor = 210;
var NeverDepth = 0;
var AlwaysDepth = 1;
var LessDepth = 2;
var LessEqualDepth = 3;
var EqualDepth = 4;
var GreaterEqualDepth = 5;
var GreaterDepth = 6;
var NotEqualDepth = 7;
var MultiplyOperation = 0;
var MixOperation = 1;
var AddOperation = 2;
var NoToneMapping = 0;
var LinearToneMapping = 1;
var ReinhardToneMapping = 2;
var CineonToneMapping = 3;
var ACESFilmicToneMapping = 4;
var CustomToneMapping = 5;
var UVMapping = 300;
var CubeReflectionMapping = 301;
var CubeRefractionMapping = 302;
var EquirectangularReflectionMapping = 303;
var EquirectangularRefractionMapping = 304;
var CubeUVReflectionMapping = 306;
var CubeUVRefractionMapping = 307;
var RepeatWrapping = 1e3;
var ClampToEdgeWrapping = 1001;
var MirroredRepeatWrapping = 1002;
var NearestFilter = 1003;
var NearestMipmapNearestFilter = 1004;
var NearestMipmapLinearFilter = 1005;
var LinearFilter = 1006;
var LinearMipmapNearestFilter = 1007;
var LinearMipmapLinearFilter = 1008;
var UnsignedByteType = 1009;
var ByteType = 1010;
var ShortType = 1011;
var UnsignedShortType = 1012;
var IntType = 1013;
var UnsignedIntType = 1014;
var FloatType = 1015;
var HalfFloatType = 1016;
var UnsignedShort4444Type = 1017;
var UnsignedShort5551Type = 1018;
var UnsignedShort565Type = 1019;
var UnsignedInt248Type = 1020;
var AlphaFormat = 1021;
var RGBFormat = 1022;
var RGBAFormat = 1023;
var LuminanceFormat = 1024;
var LuminanceAlphaFormat = 1025;
var RGBEFormat = RGBAFormat;
var DepthFormat = 1026;
var DepthStencilFormat = 1027;
var RedFormat = 1028;
var RedIntegerFormat = 1029;
var RGFormat = 1030;
var RGIntegerFormat = 1031;
var RGBIntegerFormat = 1032;
var RGBAIntegerFormat = 1033;
var RGB_S3TC_DXT1_Format = 33776;
var RGBA_S3TC_DXT1_Format = 33777;
var RGBA_S3TC_DXT3_Format = 33778;
var RGBA_S3TC_DXT5_Format = 33779;
var RGB_PVRTC_4BPPV1_Format = 35840;
var RGB_PVRTC_2BPPV1_Format = 35841;
var RGBA_PVRTC_4BPPV1_Format = 35842;
var RGBA_PVRTC_2BPPV1_Format = 35843;
var RGB_ETC1_Format = 36196;
var RGB_ETC2_Format = 37492;
var RGBA_ETC2_EAC_Format = 37496;
var RGBA_ASTC_4x4_Format = 37808;
var RGBA_ASTC_5x4_Format = 37809;
var RGBA_ASTC_5x5_Format = 37810;
var RGBA_ASTC_6x5_Format = 37811;
var RGBA_ASTC_6x6_Format = 37812;
var RGBA_ASTC_8x5_Format = 37813;
var RGBA_ASTC_8x6_Format = 37814;
var RGBA_ASTC_8x8_Format = 37815;
var RGBA_ASTC_10x5_Format = 37816;
var RGBA_ASTC_10x6_Format = 37817;
var RGBA_ASTC_10x8_Format = 37818;
var RGBA_ASTC_10x10_Format = 37819;
var RGBA_ASTC_12x10_Format = 37820;
var RGBA_ASTC_12x12_Format = 37821;
var RGBA_BPTC_Format = 36492;
var SRGB8_ALPHA8_ASTC_4x4_Format = 37840;
var SRGB8_ALPHA8_ASTC_5x4_Format = 37841;
var SRGB8_ALPHA8_ASTC_5x5_Format = 37842;
var SRGB8_ALPHA8_ASTC_6x5_Format = 37843;
var SRGB8_ALPHA8_ASTC_6x6_Format = 37844;
var SRGB8_ALPHA8_ASTC_8x5_Format = 37845;
var SRGB8_ALPHA8_ASTC_8x6_Format = 37846;
var SRGB8_ALPHA8_ASTC_8x8_Format = 37847;
var SRGB8_ALPHA8_ASTC_10x5_Format = 37848;
var SRGB8_ALPHA8_ASTC_10x6_Format = 37849;
var SRGB8_ALPHA8_ASTC_10x8_Format = 37850;
var SRGB8_ALPHA8_ASTC_10x10_Format = 37851;
var SRGB8_ALPHA8_ASTC_12x10_Format = 37852;
var SRGB8_ALPHA8_ASTC_12x12_Format = 37853;
var LoopOnce = 2200;
var LoopRepeat = 2201;
var LoopPingPong = 2202;
var InterpolateDiscrete = 2300;
var InterpolateLinear = 2301;
var InterpolateSmooth = 2302;
var ZeroCurvatureEnding = 2400;
var ZeroSlopeEnding = 2401;
var WrapAroundEnding = 2402;
var NormalAnimationBlendMode = 2500;
var AdditiveAnimationBlendMode = 2501;
var TrianglesDrawMode = 0;
var LinearEncoding = 3e3;
var sRGBEncoding = 3001;
var GammaEncoding = 3007;
var RGBEEncoding = 3002;
var LogLuvEncoding = 3003;
var RGBM7Encoding = 3004;
var RGBM16Encoding = 3005;
var RGBDEncoding = 3006;
var BasicDepthPacking = 3200;
var RGBADepthPacking = 3201;
var TangentSpaceNormalMap = 0;
var ObjectSpaceNormalMap = 1;
var KeepStencilOp = 7680;
var AlwaysStencilFunc = 519;
var StaticDrawUsage = 35044;
var DynamicDrawUsage = 35048;
var GLSL3 = "300 es";
var EventDispatcher = class {
  addEventListener(type, listener3) {
    if (this._listeners === void 0)
      this._listeners = {};
    const listeners = this._listeners;
    if (listeners[type] === void 0) {
      listeners[type] = [];
    }
    if (listeners[type].indexOf(listener3) === -1) {
      listeners[type].push(listener3);
    }
  }
  hasEventListener(type, listener3) {
    if (this._listeners === void 0)
      return false;
    const listeners = this._listeners;
    return listeners[type] !== void 0 && listeners[type].indexOf(listener3) !== -1;
  }
  removeEventListener(type, listener3) {
    if (this._listeners === void 0)
      return;
    const listeners = this._listeners;
    const listenerArray = listeners[type];
    if (listenerArray !== void 0) {
      const index = listenerArray.indexOf(listener3);
      if (index !== -1) {
        listenerArray.splice(index, 1);
      }
    }
  }
  dispatchEvent(event) {
    if (this._listeners === void 0)
      return;
    const listeners = this._listeners;
    const listenerArray = listeners[event.type];
    if (listenerArray !== void 0) {
      event.target = this;
      const array = listenerArray.slice(0);
      for (let i = 0, l = array.length; i < l; i++) {
        array[i].call(this, event);
      }
      event.target = null;
    }
  }
};
var _lut = [];
for (let i = 0; i < 256; i++) {
  _lut[i] = (i < 16 ? "0" : "") + i.toString(16);
}
var DEG2RAD = Math.PI / 180;
var RAD2DEG = 180 / Math.PI;
function generateUUID() {
  const d0 = Math.random() * 4294967295 | 0;
  const d1 = Math.random() * 4294967295 | 0;
  const d2 = Math.random() * 4294967295 | 0;
  const d3 = Math.random() * 4294967295 | 0;
  const uuid = _lut[d0 & 255] + _lut[d0 >> 8 & 255] + _lut[d0 >> 16 & 255] + _lut[d0 >> 24 & 255] + "-" + _lut[d1 & 255] + _lut[d1 >> 8 & 255] + "-" + _lut[d1 >> 16 & 15 | 64] + _lut[d1 >> 24 & 255] + "-" + _lut[d2 & 63 | 128] + _lut[d2 >> 8 & 255] + "-" + _lut[d2 >> 16 & 255] + _lut[d2 >> 24 & 255] + _lut[d3 & 255] + _lut[d3 >> 8 & 255] + _lut[d3 >> 16 & 255] + _lut[d3 >> 24 & 255];
  return uuid.toUpperCase();
}
function clamp(value, min, max) {
  return Math.max(min, Math.min(max, value));
}
function euclideanModulo(n, m) {
  return (n % m + m) % m;
}
function lerp(x, y, t) {
  return (1 - t) * x + t * y;
}
function isPowerOfTwo(value) {
  return (value & value - 1) === 0 && value !== 0;
}
function floorPowerOfTwo(value) {
  return Math.pow(2, Math.floor(Math.log(value) / Math.LN2));
}
var Vector2 = class {
  constructor(x = 0, y = 0) {
    this.x = x;
    this.y = y;
  }
  get width() {
    return this.x;
  }
  set width(value) {
    this.x = value;
  }
  get height() {
    return this.y;
  }
  set height(value) {
    this.y = value;
  }
  set(x, y) {
    this.x = x;
    this.y = y;
    return this;
  }
  setScalar(scalar) {
    this.x = scalar;
    this.y = scalar;
    return this;
  }
  setX(x) {
    this.x = x;
    return this;
  }
  setY(y) {
    this.y = y;
    return this;
  }
  setComponent(index, value) {
    switch (index) {
      case 0:
        this.x = value;
        break;
      case 1:
        this.y = value;
        break;
      default:
        throw new Error("index is out of range: " + index);
    }
    return this;
  }
  getComponent(index) {
    switch (index) {
      case 0:
        return this.x;
      case 1:
        return this.y;
      default:
        throw new Error("index is out of range: " + index);
    }
  }
  clone() {
    return new this.constructor(this.x, this.y);
  }
  copy(v) {
    this.x = v.x;
    this.y = v.y;
    return this;
  }
  add(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.");
      return this.addVectors(v, w2);
    }
    this.x += v.x;
    this.y += v.y;
    return this;
  }
  addScalar(s) {
    this.x += s;
    this.y += s;
    return this;
  }
  addVectors(a2, b2) {
    this.x = a2.x + b2.x;
    this.y = a2.y + b2.y;
    return this;
  }
  addScaledVector(v, s) {
    this.x += v.x * s;
    this.y += v.y * s;
    return this;
  }
  sub(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.");
      return this.subVectors(v, w2);
    }
    this.x -= v.x;
    this.y -= v.y;
    return this;
  }
  subScalar(s) {
    this.x -= s;
    this.y -= s;
    return this;
  }
  subVectors(a2, b2) {
    this.x = a2.x - b2.x;
    this.y = a2.y - b2.y;
    return this;
  }
  multiply(v) {
    this.x *= v.x;
    this.y *= v.y;
    return this;
  }
  multiplyScalar(scalar) {
    this.x *= scalar;
    this.y *= scalar;
    return this;
  }
  divide(v) {
    this.x /= v.x;
    this.y /= v.y;
    return this;
  }
  divideScalar(scalar) {
    return this.multiplyScalar(1 / scalar);
  }
  applyMatrix3(m) {
    const x = this.x, y = this.y;
    const e = m.elements;
    this.x = e[0] * x + e[3] * y + e[6];
    this.y = e[1] * x + e[4] * y + e[7];
    return this;
  }
  min(v) {
    this.x = Math.min(this.x, v.x);
    this.y = Math.min(this.y, v.y);
    return this;
  }
  max(v) {
    this.x = Math.max(this.x, v.x);
    this.y = Math.max(this.y, v.y);
    return this;
  }
  clamp(min, max) {
    this.x = Math.max(min.x, Math.min(max.x, this.x));
    this.y = Math.max(min.y, Math.min(max.y, this.y));
    return this;
  }
  clampScalar(minVal, maxVal) {
    this.x = Math.max(minVal, Math.min(maxVal, this.x));
    this.y = Math.max(minVal, Math.min(maxVal, this.y));
    return this;
  }
  clampLength(min, max) {
    const length = this.length();
    return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length)));
  }
  floor() {
    this.x = Math.floor(this.x);
    this.y = Math.floor(this.y);
    return this;
  }
  ceil() {
    this.x = Math.ceil(this.x);
    this.y = Math.ceil(this.y);
    return this;
  }
  round() {
    this.x = Math.round(this.x);
    this.y = Math.round(this.y);
    return this;
  }
  roundToZero() {
    this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x);
    this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y);
    return this;
  }
  negate() {
    this.x = -this.x;
    this.y = -this.y;
    return this;
  }
  dot(v) {
    return this.x * v.x + this.y * v.y;
  }
  cross(v) {
    return this.x * v.y - this.y * v.x;
  }
  lengthSq() {
    return this.x * this.x + this.y * this.y;
  }
  length() {
    return Math.sqrt(this.x * this.x + this.y * this.y);
  }
  manhattanLength() {
    return Math.abs(this.x) + Math.abs(this.y);
  }
  normalize() {
    return this.divideScalar(this.length() || 1);
  }
  angle() {
    const angle = Math.atan2(-this.y, -this.x) + Math.PI;
    return angle;
  }
  distanceTo(v) {
    return Math.sqrt(this.distanceToSquared(v));
  }
  distanceToSquared(v) {
    const dx = this.x - v.x, dy = this.y - v.y;
    return dx * dx + dy * dy;
  }
  manhattanDistanceTo(v) {
    return Math.abs(this.x - v.x) + Math.abs(this.y - v.y);
  }
  setLength(length) {
    return this.normalize().multiplyScalar(length);
  }
  lerp(v, alpha) {
    this.x += (v.x - this.x) * alpha;
    this.y += (v.y - this.y) * alpha;
    return this;
  }
  lerpVectors(v12, v22, alpha) {
    this.x = v12.x + (v22.x - v12.x) * alpha;
    this.y = v12.y + (v22.y - v12.y) * alpha;
    return this;
  }
  equals(v) {
    return v.x === this.x && v.y === this.y;
  }
  fromArray(array, offset = 0) {
    this.x = array[offset];
    this.y = array[offset + 1];
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this.x;
    array[offset + 1] = this.y;
    return array;
  }
  fromBufferAttribute(attribute, index, offset) {
    if (offset !== void 0) {
      console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");
    }
    this.x = attribute.getX(index);
    this.y = attribute.getY(index);
    return this;
  }
  rotateAround(center, angle) {
    const c2 = Math.cos(angle), s = Math.sin(angle);
    const x = this.x - center.x;
    const y = this.y - center.y;
    this.x = x * c2 - y * s + center.x;
    this.y = x * s + y * c2 + center.y;
    return this;
  }
  random() {
    this.x = Math.random();
    this.y = Math.random();
    return this;
  }
};
Vector2.prototype.isVector2 = true;
var Matrix3 = class {
  constructor() {
    this.elements = [
      1,
      0,
      0,
      0,
      1,
      0,
      0,
      0,
      1
    ];
    if (arguments.length > 0) {
      console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.");
    }
  }
  set(n11, n12, n13, n21, n22, n23, n31, n32, n33) {
    const te = this.elements;
    te[0] = n11;
    te[1] = n21;
    te[2] = n31;
    te[3] = n12;
    te[4] = n22;
    te[5] = n32;
    te[6] = n13;
    te[7] = n23;
    te[8] = n33;
    return this;
  }
  identity() {
    this.set(1, 0, 0, 0, 1, 0, 0, 0, 1);
    return this;
  }
  copy(m) {
    const te = this.elements;
    const me = m.elements;
    te[0] = me[0];
    te[1] = me[1];
    te[2] = me[2];
    te[3] = me[3];
    te[4] = me[4];
    te[5] = me[5];
    te[6] = me[6];
    te[7] = me[7];
    te[8] = me[8];
    return this;
  }
  extractBasis(xAxis, yAxis, zAxis) {
    xAxis.setFromMatrix3Column(this, 0);
    yAxis.setFromMatrix3Column(this, 1);
    zAxis.setFromMatrix3Column(this, 2);
    return this;
  }
  setFromMatrix4(m) {
    const me = m.elements;
    this.set(me[0], me[4], me[8], me[1], me[5], me[9], me[2], me[6], me[10]);
    return this;
  }
  multiply(m) {
    return this.multiplyMatrices(this, m);
  }
  premultiply(m) {
    return this.multiplyMatrices(m, this);
  }
  multiplyMatrices(a2, b2) {
    const ae = a2.elements;
    const be = b2.elements;
    const te = this.elements;
    const a11 = ae[0], a12 = ae[3], a13 = ae[6];
    const a21 = ae[1], a22 = ae[4], a23 = ae[7];
    const a31 = ae[2], a32 = ae[5], a33 = ae[8];
    const b11 = be[0], b12 = be[3], b13 = be[6];
    const b21 = be[1], b22 = be[4], b23 = be[7];
    const b31 = be[2], b32 = be[5], b33 = be[8];
    te[0] = a11 * b11 + a12 * b21 + a13 * b31;
    te[3] = a11 * b12 + a12 * b22 + a13 * b32;
    te[6] = a11 * b13 + a12 * b23 + a13 * b33;
    te[1] = a21 * b11 + a22 * b21 + a23 * b31;
    te[4] = a21 * b12 + a22 * b22 + a23 * b32;
    te[7] = a21 * b13 + a22 * b23 + a23 * b33;
    te[2] = a31 * b11 + a32 * b21 + a33 * b31;
    te[5] = a31 * b12 + a32 * b22 + a33 * b32;
    te[8] = a31 * b13 + a32 * b23 + a33 * b33;
    return this;
  }
  multiplyScalar(s) {
    const te = this.elements;
    te[0] *= s;
    te[3] *= s;
    te[6] *= s;
    te[1] *= s;
    te[4] *= s;
    te[7] *= s;
    te[2] *= s;
    te[5] *= s;
    te[8] *= s;
    return this;
  }
  determinant() {
    const te = this.elements;
    const a2 = te[0], b2 = te[1], c2 = te[2], d = te[3], e = te[4], f = te[5], g = te[6], h = te[7], i = te[8];
    return a2 * e * i - a2 * f * h - b2 * d * i + b2 * f * g + c2 * d * h - c2 * e * g;
  }
  invert() {
    const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n12 = te[3], n22 = te[4], n32 = te[5], n13 = te[6], n23 = te[7], n33 = te[8], t11 = n33 * n22 - n32 * n23, t12 = n32 * n13 - n33 * n12, t13 = n23 * n12 - n22 * n13, det = n11 * t11 + n21 * t12 + n31 * t13;
    if (det === 0)
      return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0);
    const detInv = 1 / det;
    te[0] = t11 * detInv;
    te[1] = (n31 * n23 - n33 * n21) * detInv;
    te[2] = (n32 * n21 - n31 * n22) * detInv;
    te[3] = t12 * detInv;
    te[4] = (n33 * n11 - n31 * n13) * detInv;
    te[5] = (n31 * n12 - n32 * n11) * detInv;
    te[6] = t13 * detInv;
    te[7] = (n21 * n13 - n23 * n11) * detInv;
    te[8] = (n22 * n11 - n21 * n12) * detInv;
    return this;
  }
  transpose() {
    let tmp3;
    const m = this.elements;
    tmp3 = m[1];
    m[1] = m[3];
    m[3] = tmp3;
    tmp3 = m[2];
    m[2] = m[6];
    m[6] = tmp3;
    tmp3 = m[5];
    m[5] = m[7];
    m[7] = tmp3;
    return this;
  }
  getNormalMatrix(matrix4) {
    return this.setFromMatrix4(matrix4).invert().transpose();
  }
  transposeIntoArray(r) {
    const m = this.elements;
    r[0] = m[0];
    r[1] = m[3];
    r[2] = m[6];
    r[3] = m[1];
    r[4] = m[4];
    r[5] = m[7];
    r[6] = m[2];
    r[7] = m[5];
    r[8] = m[8];
    return this;
  }
  setUvTransform(tx, ty, sx, sy, rotation, cx, cy) {
    const c2 = Math.cos(rotation);
    const s = Math.sin(rotation);
    this.set(sx * c2, sx * s, -sx * (c2 * cx + s * cy) + cx + tx, -sy * s, sy * c2, -sy * (-s * cx + c2 * cy) + cy + ty, 0, 0, 1);
    return this;
  }
  scale(sx, sy) {
    const te = this.elements;
    te[0] *= sx;
    te[3] *= sx;
    te[6] *= sx;
    te[1] *= sy;
    te[4] *= sy;
    te[7] *= sy;
    return this;
  }
  rotate(theta) {
    const c2 = Math.cos(theta);
    const s = Math.sin(theta);
    const te = this.elements;
    const a11 = te[0], a12 = te[3], a13 = te[6];
    const a21 = te[1], a22 = te[4], a23 = te[7];
    te[0] = c2 * a11 + s * a21;
    te[3] = c2 * a12 + s * a22;
    te[6] = c2 * a13 + s * a23;
    te[1] = -s * a11 + c2 * a21;
    te[4] = -s * a12 + c2 * a22;
    te[7] = -s * a13 + c2 * a23;
    return this;
  }
  translate(tx, ty) {
    const te = this.elements;
    te[0] += tx * te[2];
    te[3] += tx * te[5];
    te[6] += tx * te[8];
    te[1] += ty * te[2];
    te[4] += ty * te[5];
    te[7] += ty * te[8];
    return this;
  }
  equals(matrix) {
    const te = this.elements;
    const me = matrix.elements;
    for (let i = 0; i < 9; i++) {
      if (te[i] !== me[i])
        return false;
    }
    return true;
  }
  fromArray(array, offset = 0) {
    for (let i = 0; i < 9; i++) {
      this.elements[i] = array[i + offset];
    }
    return this;
  }
  toArray(array = [], offset = 0) {
    const te = this.elements;
    array[offset] = te[0];
    array[offset + 1] = te[1];
    array[offset + 2] = te[2];
    array[offset + 3] = te[3];
    array[offset + 4] = te[4];
    array[offset + 5] = te[5];
    array[offset + 6] = te[6];
    array[offset + 7] = te[7];
    array[offset + 8] = te[8];
    return array;
  }
  clone() {
    return new this.constructor().fromArray(this.elements);
  }
};
Matrix3.prototype.isMatrix3 = true;
var _canvas;
var ImageUtils = class {
  static getDataURL(image) {
    if (/^data:/i.test(image.src)) {
      return image.src;
    }
    if (typeof HTMLCanvasElement == "undefined") {
      return image.src;
    }
    let canvas;
    if (image instanceof HTMLCanvasElement) {
      canvas = image;
    } else {
      if (_canvas === void 0)
        _canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
      _canvas.width = image.width;
      _canvas.height = image.height;
      const context = _canvas.getContext("2d");
      if (image instanceof ImageData) {
        context.putImageData(image, 0, 0);
      } else {
        context.drawImage(image, 0, 0, image.width, image.height);
      }
      canvas = _canvas;
    }
    if (canvas.width > 2048 || canvas.height > 2048) {
      console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons", image);
      return canvas.toDataURL("image/jpeg", 0.6);
    } else {
      return canvas.toDataURL("image/png");
    }
  }
};
var textureId = 0;
var Texture = class extends EventDispatcher {
  constructor(image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding) {
    super();
    Object.defineProperty(this, "id", { value: textureId++ });
    this.uuid = generateUUID();
    this.name = "";
    this.image = image;
    this.mipmaps = [];
    this.mapping = mapping;
    this.wrapS = wrapS;
    this.wrapT = wrapT;
    this.magFilter = magFilter;
    this.minFilter = minFilter;
    this.anisotropy = anisotropy;
    this.format = format;
    this.internalFormat = null;
    this.type = type;
    this.offset = new Vector2(0, 0);
    this.repeat = new Vector2(1, 1);
    this.center = new Vector2(0, 0);
    this.rotation = 0;
    this.matrixAutoUpdate = true;
    this.matrix = new Matrix3();
    this.generateMipmaps = true;
    this.premultiplyAlpha = false;
    this.flipY = true;
    this.unpackAlignment = 4;
    this.encoding = encoding;
    this.version = 0;
    this.onUpdate = null;
    this.isRenderTargetTexture = false;
  }
  updateMatrix() {
    this.matrix.setUvTransform(this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y);
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(source) {
    this.name = source.name;
    this.image = source.image;
    this.mipmaps = source.mipmaps.slice(0);
    this.mapping = source.mapping;
    this.wrapS = source.wrapS;
    this.wrapT = source.wrapT;
    this.magFilter = source.magFilter;
    this.minFilter = source.minFilter;
    this.anisotropy = source.anisotropy;
    this.format = source.format;
    this.internalFormat = source.internalFormat;
    this.type = source.type;
    this.offset.copy(source.offset);
    this.repeat.copy(source.repeat);
    this.center.copy(source.center);
    this.rotation = source.rotation;
    this.matrixAutoUpdate = source.matrixAutoUpdate;
    this.matrix.copy(source.matrix);
    this.generateMipmaps = source.generateMipmaps;
    this.premultiplyAlpha = source.premultiplyAlpha;
    this.flipY = source.flipY;
    this.unpackAlignment = source.unpackAlignment;
    this.encoding = source.encoding;
    return this;
  }
  toJSON(meta) {
    const isRootObject = meta === void 0 || typeof meta === "string";
    if (!isRootObject && meta.textures[this.uuid] !== void 0) {
      return meta.textures[this.uuid];
    }
    const output = {
      metadata: {
        version: 4.5,
        type: "Texture",
        generator: "Texture.toJSON"
      },
      uuid: this.uuid,
      name: this.name,
      mapping: this.mapping,
      repeat: [this.repeat.x, this.repeat.y],
      offset: [this.offset.x, this.offset.y],
      center: [this.center.x, this.center.y],
      rotation: this.rotation,
      wrap: [this.wrapS, this.wrapT],
      format: this.format,
      type: this.type,
      encoding: this.encoding,
      minFilter: this.minFilter,
      magFilter: this.magFilter,
      anisotropy: this.anisotropy,
      flipY: this.flipY,
      premultiplyAlpha: this.premultiplyAlpha,
      unpackAlignment: this.unpackAlignment
    };
    if (this.image !== void 0) {
      const image = this.image;
      if (image.uuid === void 0) {
        image.uuid = generateUUID();
      }
      if (!isRootObject && meta.images[image.uuid] === void 0) {
        let url;
        if (Array.isArray(image)) {
          url = [];
          for (let i = 0, l = image.length; i < l; i++) {
            if (image[i].isDataTexture) {
              url.push(serializeImage(image[i].image));
            } else {
              url.push(serializeImage(image[i]));
            }
          }
        } else {
          url = serializeImage(image);
        }
        meta.images[image.uuid] = {
          uuid: image.uuid,
          url
        };
      }
      output.image = image.uuid;
    }
    if (!isRootObject) {
      meta.textures[this.uuid] = output;
    }
    return output;
  }
  dispose() {
    this.dispatchEvent({ type: "dispose" });
  }
  transformUv(uv) {
    if (this.mapping !== UVMapping)
      return uv;
    uv.applyMatrix3(this.matrix);
    if (uv.x < 0 || uv.x > 1) {
      switch (this.wrapS) {
        case RepeatWrapping:
          uv.x = uv.x - Math.floor(uv.x);
          break;
        case ClampToEdgeWrapping:
          uv.x = uv.x < 0 ? 0 : 1;
          break;
        case MirroredRepeatWrapping:
          if (Math.abs(Math.floor(uv.x) % 2) === 1) {
            uv.x = Math.ceil(uv.x) - uv.x;
          } else {
            uv.x = uv.x - Math.floor(uv.x);
          }
          break;
      }
    }
    if (uv.y < 0 || uv.y > 1) {
      switch (this.wrapT) {
        case RepeatWrapping:
          uv.y = uv.y - Math.floor(uv.y);
          break;
        case ClampToEdgeWrapping:
          uv.y = uv.y < 0 ? 0 : 1;
          break;
        case MirroredRepeatWrapping:
          if (Math.abs(Math.floor(uv.y) % 2) === 1) {
            uv.y = Math.ceil(uv.y) - uv.y;
          } else {
            uv.y = uv.y - Math.floor(uv.y);
          }
          break;
      }
    }
    if (this.flipY) {
      uv.y = 1 - uv.y;
    }
    return uv;
  }
  set needsUpdate(value) {
    if (value === true)
      this.version++;
  }
};
Texture.DEFAULT_IMAGE = void 0;
Texture.DEFAULT_MAPPING = UVMapping;
Texture.prototype.isTexture = true;
function serializeImage(image) {
  if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) {
    return ImageUtils.getDataURL(image);
  } else {
    if (image.data) {
      return {
        data: Array.prototype.slice.call(image.data),
        width: image.width,
        height: image.height,
        type: image.data.constructor.name
      };
    } else {
      console.warn("THREE.Texture: Unable to serialize Texture.");
      return {};
    }
  }
}
var Vector4 = class {
  constructor(x = 0, y = 0, z = 0, w2 = 1) {
    this.x = x;
    this.y = y;
    this.z = z;
    this.w = w2;
  }
  get width() {
    return this.z;
  }
  set width(value) {
    this.z = value;
  }
  get height() {
    return this.w;
  }
  set height(value) {
    this.w = value;
  }
  set(x, y, z, w2) {
    this.x = x;
    this.y = y;
    this.z = z;
    this.w = w2;
    return this;
  }
  setScalar(scalar) {
    this.x = scalar;
    this.y = scalar;
    this.z = scalar;
    this.w = scalar;
    return this;
  }
  setX(x) {
    this.x = x;
    return this;
  }
  setY(y) {
    this.y = y;
    return this;
  }
  setZ(z) {
    this.z = z;
    return this;
  }
  setW(w2) {
    this.w = w2;
    return this;
  }
  setComponent(index, value) {
    switch (index) {
      case 0:
        this.x = value;
        break;
      case 1:
        this.y = value;
        break;
      case 2:
        this.z = value;
        break;
      case 3:
        this.w = value;
        break;
      default:
        throw new Error("index is out of range: " + index);
    }
    return this;
  }
  getComponent(index) {
    switch (index) {
      case 0:
        return this.x;
      case 1:
        return this.y;
      case 2:
        return this.z;
      case 3:
        return this.w;
      default:
        throw new Error("index is out of range: " + index);
    }
  }
  clone() {
    return new this.constructor(this.x, this.y, this.z, this.w);
  }
  copy(v) {
    this.x = v.x;
    this.y = v.y;
    this.z = v.z;
    this.w = v.w !== void 0 ? v.w : 1;
    return this;
  }
  add(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.");
      return this.addVectors(v, w2);
    }
    this.x += v.x;
    this.y += v.y;
    this.z += v.z;
    this.w += v.w;
    return this;
  }
  addScalar(s) {
    this.x += s;
    this.y += s;
    this.z += s;
    this.w += s;
    return this;
  }
  addVectors(a2, b2) {
    this.x = a2.x + b2.x;
    this.y = a2.y + b2.y;
    this.z = a2.z + b2.z;
    this.w = a2.w + b2.w;
    return this;
  }
  addScaledVector(v, s) {
    this.x += v.x * s;
    this.y += v.y * s;
    this.z += v.z * s;
    this.w += v.w * s;
    return this;
  }
  sub(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.");
      return this.subVectors(v, w2);
    }
    this.x -= v.x;
    this.y -= v.y;
    this.z -= v.z;
    this.w -= v.w;
    return this;
  }
  subScalar(s) {
    this.x -= s;
    this.y -= s;
    this.z -= s;
    this.w -= s;
    return this;
  }
  subVectors(a2, b2) {
    this.x = a2.x - b2.x;
    this.y = a2.y - b2.y;
    this.z = a2.z - b2.z;
    this.w = a2.w - b2.w;
    return this;
  }
  multiply(v) {
    this.x *= v.x;
    this.y *= v.y;
    this.z *= v.z;
    this.w *= v.w;
    return this;
  }
  multiplyScalar(scalar) {
    this.x *= scalar;
    this.y *= scalar;
    this.z *= scalar;
    this.w *= scalar;
    return this;
  }
  applyMatrix4(m) {
    const x = this.x, y = this.y, z = this.z, w2 = this.w;
    const e = m.elements;
    this.x = e[0] * x + e[4] * y + e[8] * z + e[12] * w2;
    this.y = e[1] * x + e[5] * y + e[9] * z + e[13] * w2;
    this.z = e[2] * x + e[6] * y + e[10] * z + e[14] * w2;
    this.w = e[3] * x + e[7] * y + e[11] * z + e[15] * w2;
    return this;
  }
  divideScalar(scalar) {
    return this.multiplyScalar(1 / scalar);
  }
  setAxisAngleFromQuaternion(q) {
    this.w = 2 * Math.acos(q.w);
    const s = Math.sqrt(1 - q.w * q.w);
    if (s < 1e-4) {
      this.x = 1;
      this.y = 0;
      this.z = 0;
    } else {
      this.x = q.x / s;
      this.y = q.y / s;
      this.z = q.z / s;
    }
    return this;
  }
  setAxisAngleFromRotationMatrix(m) {
    let angle, x, y, z;
    const epsilon = 0.01, epsilon2 = 0.1, te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10];
    if (Math.abs(m12 - m21) < epsilon && Math.abs(m13 - m31) < epsilon && Math.abs(m23 - m32) < epsilon) {
      if (Math.abs(m12 + m21) < epsilon2 && Math.abs(m13 + m31) < epsilon2 && Math.abs(m23 + m32) < epsilon2 && Math.abs(m11 + m22 + m33 - 3) < epsilon2) {
        this.set(1, 0, 0, 0);
        return this;
      }
      angle = Math.PI;
      const xx = (m11 + 1) / 2;
      const yy = (m22 + 1) / 2;
      const zz = (m33 + 1) / 2;
      const xy = (m12 + m21) / 4;
      const xz = (m13 + m31) / 4;
      const yz = (m23 + m32) / 4;
      if (xx > yy && xx > zz) {
        if (xx < epsilon) {
          x = 0;
          y = 0.707106781;
          z = 0.707106781;
        } else {
          x = Math.sqrt(xx);
          y = xy / x;
          z = xz / x;
        }
      } else if (yy > zz) {
        if (yy < epsilon) {
          x = 0.707106781;
          y = 0;
          z = 0.707106781;
        } else {
          y = Math.sqrt(yy);
          x = xy / y;
          z = yz / y;
        }
      } else {
        if (zz < epsilon) {
          x = 0.707106781;
          y = 0.707106781;
          z = 0;
        } else {
          z = Math.sqrt(zz);
          x = xz / z;
          y = yz / z;
        }
      }
      this.set(x, y, z, angle);
      return this;
    }
    let s = Math.sqrt((m32 - m23) * (m32 - m23) + (m13 - m31) * (m13 - m31) + (m21 - m12) * (m21 - m12));
    if (Math.abs(s) < 1e-3)
      s = 1;
    this.x = (m32 - m23) / s;
    this.y = (m13 - m31) / s;
    this.z = (m21 - m12) / s;
    this.w = Math.acos((m11 + m22 + m33 - 1) / 2);
    return this;
  }
  min(v) {
    this.x = Math.min(this.x, v.x);
    this.y = Math.min(this.y, v.y);
    this.z = Math.min(this.z, v.z);
    this.w = Math.min(this.w, v.w);
    return this;
  }
  max(v) {
    this.x = Math.max(this.x, v.x);
    this.y = Math.max(this.y, v.y);
    this.z = Math.max(this.z, v.z);
    this.w = Math.max(this.w, v.w);
    return this;
  }
  clamp(min, max) {
    this.x = Math.max(min.x, Math.min(max.x, this.x));
    this.y = Math.max(min.y, Math.min(max.y, this.y));
    this.z = Math.max(min.z, Math.min(max.z, this.z));
    this.w = Math.max(min.w, Math.min(max.w, this.w));
    return this;
  }
  clampScalar(minVal, maxVal) {
    this.x = Math.max(minVal, Math.min(maxVal, this.x));
    this.y = Math.max(minVal, Math.min(maxVal, this.y));
    this.z = Math.max(minVal, Math.min(maxVal, this.z));
    this.w = Math.max(minVal, Math.min(maxVal, this.w));
    return this;
  }
  clampLength(min, max) {
    const length = this.length();
    return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length)));
  }
  floor() {
    this.x = Math.floor(this.x);
    this.y = Math.floor(this.y);
    this.z = Math.floor(this.z);
    this.w = Math.floor(this.w);
    return this;
  }
  ceil() {
    this.x = Math.ceil(this.x);
    this.y = Math.ceil(this.y);
    this.z = Math.ceil(this.z);
    this.w = Math.ceil(this.w);
    return this;
  }
  round() {
    this.x = Math.round(this.x);
    this.y = Math.round(this.y);
    this.z = Math.round(this.z);
    this.w = Math.round(this.w);
    return this;
  }
  roundToZero() {
    this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x);
    this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y);
    this.z = this.z < 0 ? Math.ceil(this.z) : Math.floor(this.z);
    this.w = this.w < 0 ? Math.ceil(this.w) : Math.floor(this.w);
    return this;
  }
  negate() {
    this.x = -this.x;
    this.y = -this.y;
    this.z = -this.z;
    this.w = -this.w;
    return this;
  }
  dot(v) {
    return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;
  }
  lengthSq() {
    return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;
  }
  length() {
    return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
  }
  manhattanLength() {
    return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w);
  }
  normalize() {
    return this.divideScalar(this.length() || 1);
  }
  setLength(length) {
    return this.normalize().multiplyScalar(length);
  }
  lerp(v, alpha) {
    this.x += (v.x - this.x) * alpha;
    this.y += (v.y - this.y) * alpha;
    this.z += (v.z - this.z) * alpha;
    this.w += (v.w - this.w) * alpha;
    return this;
  }
  lerpVectors(v12, v22, alpha) {
    this.x = v12.x + (v22.x - v12.x) * alpha;
    this.y = v12.y + (v22.y - v12.y) * alpha;
    this.z = v12.z + (v22.z - v12.z) * alpha;
    this.w = v12.w + (v22.w - v12.w) * alpha;
    return this;
  }
  equals(v) {
    return v.x === this.x && v.y === this.y && v.z === this.z && v.w === this.w;
  }
  fromArray(array, offset = 0) {
    this.x = array[offset];
    this.y = array[offset + 1];
    this.z = array[offset + 2];
    this.w = array[offset + 3];
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this.x;
    array[offset + 1] = this.y;
    array[offset + 2] = this.z;
    array[offset + 3] = this.w;
    return array;
  }
  fromBufferAttribute(attribute, index, offset) {
    if (offset !== void 0) {
      console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");
    }
    this.x = attribute.getX(index);
    this.y = attribute.getY(index);
    this.z = attribute.getZ(index);
    this.w = attribute.getW(index);
    return this;
  }
  random() {
    this.x = Math.random();
    this.y = Math.random();
    this.z = Math.random();
    this.w = Math.random();
    return this;
  }
};
Vector4.prototype.isVector4 = true;
var WebGLRenderTarget = class extends EventDispatcher {
  constructor(width, height, options = {}) {
    super();
    this.width = width;
    this.height = height;
    this.depth = 1;
    this.scissor = new Vector4(0, 0, width, height);
    this.scissorTest = false;
    this.viewport = new Vector4(0, 0, width, height);
    this.texture = new Texture(void 0, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding);
    this.texture.isRenderTargetTexture = true;
    this.texture.image = { width, height, depth: 1 };
    this.texture.generateMipmaps = options.generateMipmaps !== void 0 ? options.generateMipmaps : false;
    this.texture.internalFormat = options.internalFormat !== void 0 ? options.internalFormat : null;
    this.texture.minFilter = options.minFilter !== void 0 ? options.minFilter : LinearFilter;
    this.depthBuffer = options.depthBuffer !== void 0 ? options.depthBuffer : true;
    this.stencilBuffer = options.stencilBuffer !== void 0 ? options.stencilBuffer : false;
    this.depthTexture = options.depthTexture !== void 0 ? options.depthTexture : null;
  }
  setTexture(texture) {
    texture.image = {
      width: this.width,
      height: this.height,
      depth: this.depth
    };
    this.texture = texture;
  }
  setSize(width, height, depth = 1) {
    if (this.width !== width || this.height !== height || this.depth !== depth) {
      this.width = width;
      this.height = height;
      this.depth = depth;
      this.texture.image.width = width;
      this.texture.image.height = height;
      this.texture.image.depth = depth;
      this.dispose();
    }
    this.viewport.set(0, 0, width, height);
    this.scissor.set(0, 0, width, height);
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(source) {
    this.width = source.width;
    this.height = source.height;
    this.depth = source.depth;
    this.viewport.copy(source.viewport);
    this.texture = source.texture.clone();
    this.texture.image = { ...this.texture.image };
    this.depthBuffer = source.depthBuffer;
    this.stencilBuffer = source.stencilBuffer;
    this.depthTexture = source.depthTexture;
    return this;
  }
  dispose() {
    this.dispatchEvent({ type: "dispose" });
  }
};
WebGLRenderTarget.prototype.isWebGLRenderTarget = true;
var WebGLMultipleRenderTargets = class extends WebGLRenderTarget {
  constructor(width, height, count) {
    super(width, height);
    const texture = this.texture;
    this.texture = [];
    for (let i = 0; i < count; i++) {
      this.texture[i] = texture.clone();
    }
  }
  setSize(width, height, depth = 1) {
    if (this.width !== width || this.height !== height || this.depth !== depth) {
      this.width = width;
      this.height = height;
      this.depth = depth;
      for (let i = 0, il = this.texture.length; i < il; i++) {
        this.texture[i].image.width = width;
        this.texture[i].image.height = height;
        this.texture[i].image.depth = depth;
      }
      this.dispose();
    }
    this.viewport.set(0, 0, width, height);
    this.scissor.set(0, 0, width, height);
    return this;
  }
  copy(source) {
    this.dispose();
    this.width = source.width;
    this.height = source.height;
    this.depth = source.depth;
    this.viewport.set(0, 0, this.width, this.height);
    this.scissor.set(0, 0, this.width, this.height);
    this.depthBuffer = source.depthBuffer;
    this.stencilBuffer = source.stencilBuffer;
    this.depthTexture = source.depthTexture;
    this.texture.length = 0;
    for (let i = 0, il = source.texture.length; i < il; i++) {
      this.texture[i] = source.texture[i].clone();
    }
    return this;
  }
};
WebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;
var WebGLMultisampleRenderTarget = class extends WebGLRenderTarget {
  constructor(width, height, options) {
    super(width, height, options);
    this.samples = 4;
  }
  copy(source) {
    super.copy.call(this, source);
    this.samples = source.samples;
    return this;
  }
};
WebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;
var Quaternion = class {
  constructor(x = 0, y = 0, z = 0, w2 = 1) {
    this._x = x;
    this._y = y;
    this._z = z;
    this._w = w2;
  }
  static slerp(qa, qb, qm, t) {
    console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.");
    return qm.slerpQuaternions(qa, qb, t);
  }
  static slerpFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t) {
    let x0 = src0[srcOffset0 + 0], y0 = src0[srcOffset0 + 1], z0 = src0[srcOffset0 + 2], w0 = src0[srcOffset0 + 3];
    const x1 = src1[srcOffset1 + 0], y1 = src1[srcOffset1 + 1], z1 = src1[srcOffset1 + 2], w1 = src1[srcOffset1 + 3];
    if (t === 0) {
      dst[dstOffset + 0] = x0;
      dst[dstOffset + 1] = y0;
      dst[dstOffset + 2] = z0;
      dst[dstOffset + 3] = w0;
      return;
    }
    if (t === 1) {
      dst[dstOffset + 0] = x1;
      dst[dstOffset + 1] = y1;
      dst[dstOffset + 2] = z1;
      dst[dstOffset + 3] = w1;
      return;
    }
    if (w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1) {
      let s = 1 - t;
      const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, dir = cos >= 0 ? 1 : -1, sqrSin = 1 - cos * cos;
      if (sqrSin > Number.EPSILON) {
        const sin = Math.sqrt(sqrSin), len = Math.atan2(sin, cos * dir);
        s = Math.sin(s * len) / sin;
        t = Math.sin(t * len) / sin;
      }
      const tDir = t * dir;
      x0 = x0 * s + x1 * tDir;
      y0 = y0 * s + y1 * tDir;
      z0 = z0 * s + z1 * tDir;
      w0 = w0 * s + w1 * tDir;
      if (s === 1 - t) {
        const f = 1 / Math.sqrt(x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0);
        x0 *= f;
        y0 *= f;
        z0 *= f;
        w0 *= f;
      }
    }
    dst[dstOffset] = x0;
    dst[dstOffset + 1] = y0;
    dst[dstOffset + 2] = z0;
    dst[dstOffset + 3] = w0;
  }
  static multiplyQuaternionsFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1) {
    const x0 = src0[srcOffset0];
    const y0 = src0[srcOffset0 + 1];
    const z0 = src0[srcOffset0 + 2];
    const w0 = src0[srcOffset0 + 3];
    const x1 = src1[srcOffset1];
    const y1 = src1[srcOffset1 + 1];
    const z1 = src1[srcOffset1 + 2];
    const w1 = src1[srcOffset1 + 3];
    dst[dstOffset] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;
    dst[dstOffset + 1] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;
    dst[dstOffset + 2] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;
    dst[dstOffset + 3] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;
    return dst;
  }
  get x() {
    return this._x;
  }
  set x(value) {
    this._x = value;
    this._onChangeCallback();
  }
  get y() {
    return this._y;
  }
  set y(value) {
    this._y = value;
    this._onChangeCallback();
  }
  get z() {
    return this._z;
  }
  set z(value) {
    this._z = value;
    this._onChangeCallback();
  }
  get w() {
    return this._w;
  }
  set w(value) {
    this._w = value;
    this._onChangeCallback();
  }
  set(x, y, z, w2) {
    this._x = x;
    this._y = y;
    this._z = z;
    this._w = w2;
    this._onChangeCallback();
    return this;
  }
  clone() {
    return new this.constructor(this._x, this._y, this._z, this._w);
  }
  copy(quaternion) {
    this._x = quaternion.x;
    this._y = quaternion.y;
    this._z = quaternion.z;
    this._w = quaternion.w;
    this._onChangeCallback();
    return this;
  }
  setFromEuler(euler, update) {
    if (!(euler && euler.isEuler)) {
      throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");
    }
    const x = euler._x, y = euler._y, z = euler._z, order = euler._order;
    const cos = Math.cos;
    const sin = Math.sin;
    const c1 = cos(x / 2);
    const c2 = cos(y / 2);
    const c3 = cos(z / 2);
    const s1 = sin(x / 2);
    const s2 = sin(y / 2);
    const s3 = sin(z / 2);
    switch (order) {
      case "XYZ":
        this._x = s1 * c2 * c3 + c1 * s2 * s3;
        this._y = c1 * s2 * c3 - s1 * c2 * s3;
        this._z = c1 * c2 * s3 + s1 * s2 * c3;
        this._w = c1 * c2 * c3 - s1 * s2 * s3;
        break;
      case "YXZ":
        this._x = s1 * c2 * c3 + c1 * s2 * s3;
        this._y = c1 * s2 * c3 - s1 * c2 * s3;
        this._z = c1 * c2 * s3 - s1 * s2 * c3;
        this._w = c1 * c2 * c3 + s1 * s2 * s3;
        break;
      case "ZXY":
        this._x = s1 * c2 * c3 - c1 * s2 * s3;
        this._y = c1 * s2 * c3 + s1 * c2 * s3;
        this._z = c1 * c2 * s3 + s1 * s2 * c3;
        this._w = c1 * c2 * c3 - s1 * s2 * s3;
        break;
      case "ZYX":
        this._x = s1 * c2 * c3 - c1 * s2 * s3;
        this._y = c1 * s2 * c3 + s1 * c2 * s3;
        this._z = c1 * c2 * s3 - s1 * s2 * c3;
        this._w = c1 * c2 * c3 + s1 * s2 * s3;
        break;
      case "YZX":
        this._x = s1 * c2 * c3 + c1 * s2 * s3;
        this._y = c1 * s2 * c3 + s1 * c2 * s3;
        this._z = c1 * c2 * s3 - s1 * s2 * c3;
        this._w = c1 * c2 * c3 - s1 * s2 * s3;
        break;
      case "XZY":
        this._x = s1 * c2 * c3 - c1 * s2 * s3;
        this._y = c1 * s2 * c3 - s1 * c2 * s3;
        this._z = c1 * c2 * s3 + s1 * s2 * c3;
        this._w = c1 * c2 * c3 + s1 * s2 * s3;
        break;
      default:
        console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: " + order);
    }
    if (update !== false)
      this._onChangeCallback();
    return this;
  }
  setFromAxisAngle(axis, angle) {
    const halfAngle = angle / 2, s = Math.sin(halfAngle);
    this._x = axis.x * s;
    this._y = axis.y * s;
    this._z = axis.z * s;
    this._w = Math.cos(halfAngle);
    this._onChangeCallback();
    return this;
  }
  setFromRotationMatrix(m) {
    const te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10], trace = m11 + m22 + m33;
    if (trace > 0) {
      const s = 0.5 / Math.sqrt(trace + 1);
      this._w = 0.25 / s;
      this._x = (m32 - m23) * s;
      this._y = (m13 - m31) * s;
      this._z = (m21 - m12) * s;
    } else if (m11 > m22 && m11 > m33) {
      const s = 2 * Math.sqrt(1 + m11 - m22 - m33);
      this._w = (m32 - m23) / s;
      this._x = 0.25 * s;
      this._y = (m12 + m21) / s;
      this._z = (m13 + m31) / s;
    } else if (m22 > m33) {
      const s = 2 * Math.sqrt(1 + m22 - m11 - m33);
      this._w = (m13 - m31) / s;
      this._x = (m12 + m21) / s;
      this._y = 0.25 * s;
      this._z = (m23 + m32) / s;
    } else {
      const s = 2 * Math.sqrt(1 + m33 - m11 - m22);
      this._w = (m21 - m12) / s;
      this._x = (m13 + m31) / s;
      this._y = (m23 + m32) / s;
      this._z = 0.25 * s;
    }
    this._onChangeCallback();
    return this;
  }
  setFromUnitVectors(vFrom, vTo) {
    let r = vFrom.dot(vTo) + 1;
    if (r < Number.EPSILON) {
      r = 0;
      if (Math.abs(vFrom.x) > Math.abs(vFrom.z)) {
        this._x = -vFrom.y;
        this._y = vFrom.x;
        this._z = 0;
        this._w = r;
      } else {
        this._x = 0;
        this._y = -vFrom.z;
        this._z = vFrom.y;
        this._w = r;
      }
    } else {
      this._x = vFrom.y * vTo.z - vFrom.z * vTo.y;
      this._y = vFrom.z * vTo.x - vFrom.x * vTo.z;
      this._z = vFrom.x * vTo.y - vFrom.y * vTo.x;
      this._w = r;
    }
    return this.normalize();
  }
  angleTo(q) {
    return 2 * Math.acos(Math.abs(clamp(this.dot(q), -1, 1)));
  }
  rotateTowards(q, step) {
    const angle = this.angleTo(q);
    if (angle === 0)
      return this;
    const t = Math.min(1, step / angle);
    this.slerp(q, t);
    return this;
  }
  identity() {
    return this.set(0, 0, 0, 1);
  }
  invert() {
    return this.conjugate();
  }
  conjugate() {
    this._x *= -1;
    this._y *= -1;
    this._z *= -1;
    this._onChangeCallback();
    return this;
  }
  dot(v) {
    return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;
  }
  lengthSq() {
    return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;
  }
  length() {
    return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w);
  }
  normalize() {
    let l = this.length();
    if (l === 0) {
      this._x = 0;
      this._y = 0;
      this._z = 0;
      this._w = 1;
    } else {
      l = 1 / l;
      this._x = this._x * l;
      this._y = this._y * l;
      this._z = this._z * l;
      this._w = this._w * l;
    }
    this._onChangeCallback();
    return this;
  }
  multiply(q, p2) {
    if (p2 !== void 0) {
      console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.");
      return this.multiplyQuaternions(q, p2);
    }
    return this.multiplyQuaternions(this, q);
  }
  premultiply(q) {
    return this.multiplyQuaternions(q, this);
  }
  multiplyQuaternions(a2, b2) {
    const qax = a2._x, qay = a2._y, qaz = a2._z, qaw = a2._w;
    const qbx = b2._x, qby = b2._y, qbz = b2._z, qbw = b2._w;
    this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;
    this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;
    this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;
    this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;
    this._onChangeCallback();
    return this;
  }
  slerp(qb, t) {
    if (t === 0)
      return this;
    if (t === 1)
      return this.copy(qb);
    const x = this._x, y = this._y, z = this._z, w2 = this._w;
    let cosHalfTheta = w2 * qb._w + x * qb._x + y * qb._y + z * qb._z;
    if (cosHalfTheta < 0) {
      this._w = -qb._w;
      this._x = -qb._x;
      this._y = -qb._y;
      this._z = -qb._z;
      cosHalfTheta = -cosHalfTheta;
    } else {
      this.copy(qb);
    }
    if (cosHalfTheta >= 1) {
      this._w = w2;
      this._x = x;
      this._y = y;
      this._z = z;
      return this;
    }
    const sqrSinHalfTheta = 1 - cosHalfTheta * cosHalfTheta;
    if (sqrSinHalfTheta <= Number.EPSILON) {
      const s = 1 - t;
      this._w = s * w2 + t * this._w;
      this._x = s * x + t * this._x;
      this._y = s * y + t * this._y;
      this._z = s * z + t * this._z;
      this.normalize();
      this._onChangeCallback();
      return this;
    }
    const sinHalfTheta = Math.sqrt(sqrSinHalfTheta);
    const halfTheta = Math.atan2(sinHalfTheta, cosHalfTheta);
    const ratioA = Math.sin((1 - t) * halfTheta) / sinHalfTheta, ratioB = Math.sin(t * halfTheta) / sinHalfTheta;
    this._w = w2 * ratioA + this._w * ratioB;
    this._x = x * ratioA + this._x * ratioB;
    this._y = y * ratioA + this._y * ratioB;
    this._z = z * ratioA + this._z * ratioB;
    this._onChangeCallback();
    return this;
  }
  slerpQuaternions(qa, qb, t) {
    this.copy(qa).slerp(qb, t);
  }
  equals(quaternion) {
    return quaternion._x === this._x && quaternion._y === this._y && quaternion._z === this._z && quaternion._w === this._w;
  }
  fromArray(array, offset = 0) {
    this._x = array[offset];
    this._y = array[offset + 1];
    this._z = array[offset + 2];
    this._w = array[offset + 3];
    this._onChangeCallback();
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this._x;
    array[offset + 1] = this._y;
    array[offset + 2] = this._z;
    array[offset + 3] = this._w;
    return array;
  }
  fromBufferAttribute(attribute, index) {
    this._x = attribute.getX(index);
    this._y = attribute.getY(index);
    this._z = attribute.getZ(index);
    this._w = attribute.getW(index);
    return this;
  }
  _onChange(callback) {
    this._onChangeCallback = callback;
    return this;
  }
  _onChangeCallback() {
  }
};
Quaternion.prototype.isQuaternion = true;
var Vector3 = class {
  constructor(x = 0, y = 0, z = 0) {
    this.x = x;
    this.y = y;
    this.z = z;
  }
  set(x, y, z) {
    if (z === void 0)
      z = this.z;
    this.x = x;
    this.y = y;
    this.z = z;
    return this;
  }
  setScalar(scalar) {
    this.x = scalar;
    this.y = scalar;
    this.z = scalar;
    return this;
  }
  setX(x) {
    this.x = x;
    return this;
  }
  setY(y) {
    this.y = y;
    return this;
  }
  setZ(z) {
    this.z = z;
    return this;
  }
  setComponent(index, value) {
    switch (index) {
      case 0:
        this.x = value;
        break;
      case 1:
        this.y = value;
        break;
      case 2:
        this.z = value;
        break;
      default:
        throw new Error("index is out of range: " + index);
    }
    return this;
  }
  getComponent(index) {
    switch (index) {
      case 0:
        return this.x;
      case 1:
        return this.y;
      case 2:
        return this.z;
      default:
        throw new Error("index is out of range: " + index);
    }
  }
  clone() {
    return new this.constructor(this.x, this.y, this.z);
  }
  copy(v) {
    this.x = v.x;
    this.y = v.y;
    this.z = v.z;
    return this;
  }
  add(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.");
      return this.addVectors(v, w2);
    }
    this.x += v.x;
    this.y += v.y;
    this.z += v.z;
    return this;
  }
  addScalar(s) {
    this.x += s;
    this.y += s;
    this.z += s;
    return this;
  }
  addVectors(a2, b2) {
    this.x = a2.x + b2.x;
    this.y = a2.y + b2.y;
    this.z = a2.z + b2.z;
    return this;
  }
  addScaledVector(v, s) {
    this.x += v.x * s;
    this.y += v.y * s;
    this.z += v.z * s;
    return this;
  }
  sub(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.");
      return this.subVectors(v, w2);
    }
    this.x -= v.x;
    this.y -= v.y;
    this.z -= v.z;
    return this;
  }
  subScalar(s) {
    this.x -= s;
    this.y -= s;
    this.z -= s;
    return this;
  }
  subVectors(a2, b2) {
    this.x = a2.x - b2.x;
    this.y = a2.y - b2.y;
    this.z = a2.z - b2.z;
    return this;
  }
  multiply(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.");
      return this.multiplyVectors(v, w2);
    }
    this.x *= v.x;
    this.y *= v.y;
    this.z *= v.z;
    return this;
  }
  multiplyScalar(scalar) {
    this.x *= scalar;
    this.y *= scalar;
    this.z *= scalar;
    return this;
  }
  multiplyVectors(a2, b2) {
    this.x = a2.x * b2.x;
    this.y = a2.y * b2.y;
    this.z = a2.z * b2.z;
    return this;
  }
  applyEuler(euler) {
    if (!(euler && euler.isEuler)) {
      console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");
    }
    return this.applyQuaternion(_quaternion$4.setFromEuler(euler));
  }
  applyAxisAngle(axis, angle) {
    return this.applyQuaternion(_quaternion$4.setFromAxisAngle(axis, angle));
  }
  applyMatrix3(m) {
    const x = this.x, y = this.y, z = this.z;
    const e = m.elements;
    this.x = e[0] * x + e[3] * y + e[6] * z;
    this.y = e[1] * x + e[4] * y + e[7] * z;
    this.z = e[2] * x + e[5] * y + e[8] * z;
    return this;
  }
  applyNormalMatrix(m) {
    return this.applyMatrix3(m).normalize();
  }
  applyMatrix4(m) {
    const x = this.x, y = this.y, z = this.z;
    const e = m.elements;
    const w2 = 1 / (e[3] * x + e[7] * y + e[11] * z + e[15]);
    this.x = (e[0] * x + e[4] * y + e[8] * z + e[12]) * w2;
    this.y = (e[1] * x + e[5] * y + e[9] * z + e[13]) * w2;
    this.z = (e[2] * x + e[6] * y + e[10] * z + e[14]) * w2;
    return this;
  }
  applyQuaternion(q) {
    const x = this.x, y = this.y, z = this.z;
    const qx = q.x, qy = q.y, qz = q.z, qw = q.w;
    const ix = qw * x + qy * z - qz * y;
    const iy = qw * y + qz * x - qx * z;
    const iz = qw * z + qx * y - qy * x;
    const iw = -qx * x - qy * y - qz * z;
    this.x = ix * qw + iw * -qx + iy * -qz - iz * -qy;
    this.y = iy * qw + iw * -qy + iz * -qx - ix * -qz;
    this.z = iz * qw + iw * -qz + ix * -qy - iy * -qx;
    return this;
  }
  project(camera) {
    return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix);
  }
  unproject(camera) {
    return this.applyMatrix4(camera.projectionMatrixInverse).applyMatrix4(camera.matrixWorld);
  }
  transformDirection(m) {
    const x = this.x, y = this.y, z = this.z;
    const e = m.elements;
    this.x = e[0] * x + e[4] * y + e[8] * z;
    this.y = e[1] * x + e[5] * y + e[9] * z;
    this.z = e[2] * x + e[6] * y + e[10] * z;
    return this.normalize();
  }
  divide(v) {
    this.x /= v.x;
    this.y /= v.y;
    this.z /= v.z;
    return this;
  }
  divideScalar(scalar) {
    return this.multiplyScalar(1 / scalar);
  }
  min(v) {
    this.x = Math.min(this.x, v.x);
    this.y = Math.min(this.y, v.y);
    this.z = Math.min(this.z, v.z);
    return this;
  }
  max(v) {
    this.x = Math.max(this.x, v.x);
    this.y = Math.max(this.y, v.y);
    this.z = Math.max(this.z, v.z);
    return this;
  }
  clamp(min, max) {
    this.x = Math.max(min.x, Math.min(max.x, this.x));
    this.y = Math.max(min.y, Math.min(max.y, this.y));
    this.z = Math.max(min.z, Math.min(max.z, this.z));
    return this;
  }
  clampScalar(minVal, maxVal) {
    this.x = Math.max(minVal, Math.min(maxVal, this.x));
    this.y = Math.max(minVal, Math.min(maxVal, this.y));
    this.z = Math.max(minVal, Math.min(maxVal, this.z));
    return this;
  }
  clampLength(min, max) {
    const length = this.length();
    return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length)));
  }
  floor() {
    this.x = Math.floor(this.x);
    this.y = Math.floor(this.y);
    this.z = Math.floor(this.z);
    return this;
  }
  ceil() {
    this.x = Math.ceil(this.x);
    this.y = Math.ceil(this.y);
    this.z = Math.ceil(this.z);
    return this;
  }
  round() {
    this.x = Math.round(this.x);
    this.y = Math.round(this.y);
    this.z = Math.round(this.z);
    return this;
  }
  roundToZero() {
    this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x);
    this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y);
    this.z = this.z < 0 ? Math.ceil(this.z) : Math.floor(this.z);
    return this;
  }
  negate() {
    this.x = -this.x;
    this.y = -this.y;
    this.z = -this.z;
    return this;
  }
  dot(v) {
    return this.x * v.x + this.y * v.y + this.z * v.z;
  }
  lengthSq() {
    return this.x * this.x + this.y * this.y + this.z * this.z;
  }
  length() {
    return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
  }
  manhattanLength() {
    return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z);
  }
  normalize() {
    return this.divideScalar(this.length() || 1);
  }
  setLength(length) {
    return this.normalize().multiplyScalar(length);
  }
  lerp(v, alpha) {
    this.x += (v.x - this.x) * alpha;
    this.y += (v.y - this.y) * alpha;
    this.z += (v.z - this.z) * alpha;
    return this;
  }
  lerpVectors(v12, v22, alpha) {
    this.x = v12.x + (v22.x - v12.x) * alpha;
    this.y = v12.y + (v22.y - v12.y) * alpha;
    this.z = v12.z + (v22.z - v12.z) * alpha;
    return this;
  }
  cross(v, w2) {
    if (w2 !== void 0) {
      console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.");
      return this.crossVectors(v, w2);
    }
    return this.crossVectors(this, v);
  }
  crossVectors(a2, b2) {
    const ax = a2.x, ay = a2.y, az = a2.z;
    const bx = b2.x, by = b2.y, bz = b2.z;
    this.x = ay * bz - az * by;
    this.y = az * bx - ax * bz;
    this.z = ax * by - ay * bx;
    return this;
  }
  projectOnVector(v) {
    const denominator = v.lengthSq();
    if (denominator === 0)
      return this.set(0, 0, 0);
    const scalar = v.dot(this) / denominator;
    return this.copy(v).multiplyScalar(scalar);
  }
  projectOnPlane(planeNormal) {
    _vector$c.copy(this).projectOnVector(planeNormal);
    return this.sub(_vector$c);
  }
  reflect(normal) {
    return this.sub(_vector$c.copy(normal).multiplyScalar(2 * this.dot(normal)));
  }
  angleTo(v) {
    const denominator = Math.sqrt(this.lengthSq() * v.lengthSq());
    if (denominator === 0)
      return Math.PI / 2;
    const theta = this.dot(v) / denominator;
    return Math.acos(clamp(theta, -1, 1));
  }
  distanceTo(v) {
    return Math.sqrt(this.distanceToSquared(v));
  }
  distanceToSquared(v) {
    const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;
    return dx * dx + dy * dy + dz * dz;
  }
  manhattanDistanceTo(v) {
    return Math.abs(this.x - v.x) + Math.abs(this.y - v.y) + Math.abs(this.z - v.z);
  }
  setFromSpherical(s) {
    return this.setFromSphericalCoords(s.radius, s.phi, s.theta);
  }
  setFromSphericalCoords(radius, phi, theta) {
    const sinPhiRadius = Math.sin(phi) * radius;
    this.x = sinPhiRadius * Math.sin(theta);
    this.y = Math.cos(phi) * radius;
    this.z = sinPhiRadius * Math.cos(theta);
    return this;
  }
  setFromCylindrical(c2) {
    return this.setFromCylindricalCoords(c2.radius, c2.theta, c2.y);
  }
  setFromCylindricalCoords(radius, theta, y) {
    this.x = radius * Math.sin(theta);
    this.y = y;
    this.z = radius * Math.cos(theta);
    return this;
  }
  setFromMatrixPosition(m) {
    const e = m.elements;
    this.x = e[12];
    this.y = e[13];
    this.z = e[14];
    return this;
  }
  setFromMatrixScale(m) {
    const sx = this.setFromMatrixColumn(m, 0).length();
    const sy = this.setFromMatrixColumn(m, 1).length();
    const sz = this.setFromMatrixColumn(m, 2).length();
    this.x = sx;
    this.y = sy;
    this.z = sz;
    return this;
  }
  setFromMatrixColumn(m, index) {
    return this.fromArray(m.elements, index * 4);
  }
  setFromMatrix3Column(m, index) {
    return this.fromArray(m.elements, index * 3);
  }
  equals(v) {
    return v.x === this.x && v.y === this.y && v.z === this.z;
  }
  fromArray(array, offset = 0) {
    this.x = array[offset];
    this.y = array[offset + 1];
    this.z = array[offset + 2];
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this.x;
    array[offset + 1] = this.y;
    array[offset + 2] = this.z;
    return array;
  }
  fromBufferAttribute(attribute, index, offset) {
    if (offset !== void 0) {
      console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");
    }
    this.x = attribute.getX(index);
    this.y = attribute.getY(index);
    this.z = attribute.getZ(index);
    return this;
  }
  random() {
    this.x = Math.random();
    this.y = Math.random();
    this.z = Math.random();
    return this;
  }
};
Vector3.prototype.isVector3 = true;
var _vector$c = /* @__PURE__ */ new Vector3();
var _quaternion$4 = /* @__PURE__ */ new Quaternion();
var Box3 = class {
  constructor(min = new Vector3(Infinity, Infinity, Infinity), max = new Vector3(-Infinity, -Infinity, -Infinity)) {
    this.min = min;
    this.max = max;
  }
  set(min, max) {
    this.min.copy(min);
    this.max.copy(max);
    return this;
  }
  setFromArray(array) {
    let minX = Infinity;
    let minY = Infinity;
    let minZ = Infinity;
    let maxX = -Infinity;
    let maxY = -Infinity;
    let maxZ = -Infinity;
    for (let i = 0, l = array.length; i < l; i += 3) {
      const x = array[i];
      const y = array[i + 1];
      const z = array[i + 2];
      if (x < minX)
        minX = x;
      if (y < minY)
        minY = y;
      if (z < minZ)
        minZ = z;
      if (x > maxX)
        maxX = x;
      if (y > maxY)
        maxY = y;
      if (z > maxZ)
        maxZ = z;
    }
    this.min.set(minX, minY, minZ);
    this.max.set(maxX, maxY, maxZ);
    return this;
  }
  setFromBufferAttribute(attribute) {
    let minX = Infinity;
    let minY = Infinity;
    let minZ = Infinity;
    let maxX = -Infinity;
    let maxY = -Infinity;
    let maxZ = -Infinity;
    for (let i = 0, l = attribute.count; i < l; i++) {
      const x = attribute.getX(i);
      const y = attribute.getY(i);
      const z = attribute.getZ(i);
      if (x < minX)
        minX = x;
      if (y < minY)
        minY = y;
      if (z < minZ)
        minZ = z;
      if (x > maxX)
        maxX = x;
      if (y > maxY)
        maxY = y;
      if (z > maxZ)
        maxZ = z;
    }
    this.min.set(minX, minY, minZ);
    this.max.set(maxX, maxY, maxZ);
    return this;
  }
  setFromPoints(points) {
    this.makeEmpty();
    for (let i = 0, il = points.length; i < il; i++) {
      this.expandByPoint(points[i]);
    }
    return this;
  }
  setFromCenterAndSize(center, size) {
    const halfSize = _vector$b.copy(size).multiplyScalar(0.5);
    this.min.copy(center).sub(halfSize);
    this.max.copy(center).add(halfSize);
    return this;
  }
  setFromObject(object) {
    this.makeEmpty();
    return this.expandByObject(object);
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(box) {
    this.min.copy(box.min);
    this.max.copy(box.max);
    return this;
  }
  makeEmpty() {
    this.min.x = this.min.y = this.min.z = Infinity;
    this.max.x = this.max.y = this.max.z = -Infinity;
    return this;
  }
  isEmpty() {
    return this.max.x < this.min.x || this.max.y < this.min.y || this.max.z < this.min.z;
  }
  getCenter(target) {
    return this.isEmpty() ? target.set(0, 0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5);
  }
  getSize(target) {
    return this.isEmpty() ? target.set(0, 0, 0) : target.subVectors(this.max, this.min);
  }
  expandByPoint(point) {
    this.min.min(point);
    this.max.max(point);
    return this;
  }
  expandByVector(vector) {
    this.min.sub(vector);
    this.max.add(vector);
    return this;
  }
  expandByScalar(scalar) {
    this.min.addScalar(-scalar);
    this.max.addScalar(scalar);
    return this;
  }
  expandByObject(object) {
    object.updateWorldMatrix(false, false);
    const geometry = object.geometry;
    if (geometry !== void 0) {
      if (geometry.boundingBox === null) {
        geometry.computeBoundingBox();
      }
      _box$3.copy(geometry.boundingBox);
      _box$3.applyMatrix4(object.matrixWorld);
      this.union(_box$3);
    }
    const children = object.children;
    for (let i = 0, l = children.length; i < l; i++) {
      this.expandByObject(children[i]);
    }
    return this;
  }
  containsPoint(point) {
    return point.x < this.min.x || point.x > this.max.x || point.y < this.min.y || point.y > this.max.y || point.z < this.min.z || point.z > this.max.z ? false : true;
  }
  containsBox(box) {
    return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y && this.min.z <= box.min.z && box.max.z <= this.max.z;
  }
  getParameter(point, target) {
    return target.set((point.x - this.min.x) / (this.max.x - this.min.x), (point.y - this.min.y) / (this.max.y - this.min.y), (point.z - this.min.z) / (this.max.z - this.min.z));
  }
  intersectsBox(box) {
    return box.max.x < this.min.x || box.min.x > this.max.x || box.max.y < this.min.y || box.min.y > this.max.y || box.max.z < this.min.z || box.min.z > this.max.z ? false : true;
  }
  intersectsSphere(sphere) {
    this.clampPoint(sphere.center, _vector$b);
    return _vector$b.distanceToSquared(sphere.center) <= sphere.radius * sphere.radius;
  }
  intersectsPlane(plane) {
    let min, max;
    if (plane.normal.x > 0) {
      min = plane.normal.x * this.min.x;
      max = plane.normal.x * this.max.x;
    } else {
      min = plane.normal.x * this.max.x;
      max = plane.normal.x * this.min.x;
    }
    if (plane.normal.y > 0) {
      min += plane.normal.y * this.min.y;
      max += plane.normal.y * this.max.y;
    } else {
      min += plane.normal.y * this.max.y;
      max += plane.normal.y * this.min.y;
    }
    if (plane.normal.z > 0) {
      min += plane.normal.z * this.min.z;
      max += plane.normal.z * this.max.z;
    } else {
      min += plane.normal.z * this.max.z;
      max += plane.normal.z * this.min.z;
    }
    return min <= -plane.constant && max >= -plane.constant;
  }
  intersectsTriangle(triangle) {
    if (this.isEmpty()) {
      return false;
    }
    this.getCenter(_center);
    _extents.subVectors(this.max, _center);
    _v0$2.subVectors(triangle.a, _center);
    _v1$7.subVectors(triangle.b, _center);
    _v2$3.subVectors(triangle.c, _center);
    _f0.subVectors(_v1$7, _v0$2);
    _f1.subVectors(_v2$3, _v1$7);
    _f2.subVectors(_v0$2, _v2$3);
    let axes = [
      0,
      -_f0.z,
      _f0.y,
      0,
      -_f1.z,
      _f1.y,
      0,
      -_f2.z,
      _f2.y,
      _f0.z,
      0,
      -_f0.x,
      _f1.z,
      0,
      -_f1.x,
      _f2.z,
      0,
      -_f2.x,
      -_f0.y,
      _f0.x,
      0,
      -_f1.y,
      _f1.x,
      0,
      -_f2.y,
      _f2.x,
      0
    ];
    if (!satForAxes(axes, _v0$2, _v1$7, _v2$3, _extents)) {
      return false;
    }
    axes = [1, 0, 0, 0, 1, 0, 0, 0, 1];
    if (!satForAxes(axes, _v0$2, _v1$7, _v2$3, _extents)) {
      return false;
    }
    _triangleNormal.crossVectors(_f0, _f1);
    axes = [_triangleNormal.x, _triangleNormal.y, _triangleNormal.z];
    return satForAxes(axes, _v0$2, _v1$7, _v2$3, _extents);
  }
  clampPoint(point, target) {
    return target.copy(point).clamp(this.min, this.max);
  }
  distanceToPoint(point) {
    const clampedPoint = _vector$b.copy(point).clamp(this.min, this.max);
    return clampedPoint.sub(point).length();
  }
  getBoundingSphere(target) {
    this.getCenter(target.center);
    target.radius = this.getSize(_vector$b).length() * 0.5;
    return target;
  }
  intersect(box) {
    this.min.max(box.min);
    this.max.min(box.max);
    if (this.isEmpty())
      this.makeEmpty();
    return this;
  }
  union(box) {
    this.min.min(box.min);
    this.max.max(box.max);
    return this;
  }
  applyMatrix4(matrix) {
    if (this.isEmpty())
      return this;
    _points[0].set(this.min.x, this.min.y, this.min.z).applyMatrix4(matrix);
    _points[1].set(this.min.x, this.min.y, this.max.z).applyMatrix4(matrix);
    _points[2].set(this.min.x, this.max.y, this.min.z).applyMatrix4(matrix);
    _points[3].set(this.min.x, this.max.y, this.max.z).applyMatrix4(matrix);
    _points[4].set(this.max.x, this.min.y, this.min.z).applyMatrix4(matrix);
    _points[5].set(this.max.x, this.min.y, this.max.z).applyMatrix4(matrix);
    _points[6].set(this.max.x, this.max.y, this.min.z).applyMatrix4(matrix);
    _points[7].set(this.max.x, this.max.y, this.max.z).applyMatrix4(matrix);
    this.setFromPoints(_points);
    return this;
  }
  translate(offset) {
    this.min.add(offset);
    this.max.add(offset);
    return this;
  }
  equals(box) {
    return box.min.equals(this.min) && box.max.equals(this.max);
  }
};
Box3.prototype.isBox3 = true;
var _points = [
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3(),
  /* @__PURE__ */ new Vector3()
];
var _vector$b = /* @__PURE__ */ new Vector3();
var _box$3 = /* @__PURE__ */ new Box3();
var _v0$2 = /* @__PURE__ */ new Vector3();
var _v1$7 = /* @__PURE__ */ new Vector3();
var _v2$3 = /* @__PURE__ */ new Vector3();
var _f0 = /* @__PURE__ */ new Vector3();
var _f1 = /* @__PURE__ */ new Vector3();
var _f2 = /* @__PURE__ */ new Vector3();
var _center = /* @__PURE__ */ new Vector3();
var _extents = /* @__PURE__ */ new Vector3();
var _triangleNormal = /* @__PURE__ */ new Vector3();
var _testAxis = /* @__PURE__ */ new Vector3();
function satForAxes(axes, v02, v12, v22, extents) {
  for (let i = 0, j = axes.length - 3; i <= j; i += 3) {
    _testAxis.fromArray(axes, i);
    const r = extents.x * Math.abs(_testAxis.x) + extents.y * Math.abs(_testAxis.y) + extents.z * Math.abs(_testAxis.z);
    const p0 = v02.dot(_testAxis);
    const p1 = v12.dot(_testAxis);
    const p2 = v22.dot(_testAxis);
    if (Math.max(-Math.max(p0, p1, p2), Math.min(p0, p1, p2)) > r) {
      return false;
    }
  }
  return true;
}
var _box$2 = /* @__PURE__ */ new Box3();
var _v1$6 = /* @__PURE__ */ new Vector3();
var _toFarthestPoint = /* @__PURE__ */ new Vector3();
var _toPoint = /* @__PURE__ */ new Vector3();
var Sphere = class {
  constructor(center = new Vector3(), radius = -1) {
    this.center = center;
    this.radius = radius;
  }
  set(center, radius) {
    this.center.copy(center);
    this.radius = radius;
    return this;
  }
  setFromPoints(points, optionalCenter) {
    const center = this.center;
    if (optionalCenter !== void 0) {
      center.copy(optionalCenter);
    } else {
      _box$2.setFromPoints(points).getCenter(center);
    }
    let maxRadiusSq = 0;
    for (let i = 0, il = points.length; i < il; i++) {
      maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(points[i]));
    }
    this.radius = Math.sqrt(maxRadiusSq);
    return this;
  }
  copy(sphere) {
    this.center.copy(sphere.center);
    this.radius = sphere.radius;
    return this;
  }
  isEmpty() {
    return this.radius < 0;
  }
  makeEmpty() {
    this.center.set(0, 0, 0);
    this.radius = -1;
    return this;
  }
  containsPoint(point) {
    return point.distanceToSquared(this.center) <= this.radius * this.radius;
  }
  distanceToPoint(point) {
    return point.distanceTo(this.center) - this.radius;
  }
  intersectsSphere(sphere) {
    const radiusSum = this.radius + sphere.radius;
    return sphere.center.distanceToSquared(this.center) <= radiusSum * radiusSum;
  }
  intersectsBox(box) {
    return box.intersectsSphere(this);
  }
  intersectsPlane(plane) {
    return Math.abs(plane.distanceToPoint(this.center)) <= this.radius;
  }
  clampPoint(point, target) {
    const deltaLengthSq = this.center.distanceToSquared(point);
    target.copy(point);
    if (deltaLengthSq > this.radius * this.radius) {
      target.sub(this.center).normalize();
      target.multiplyScalar(this.radius).add(this.center);
    }
    return target;
  }
  getBoundingBox(target) {
    if (this.isEmpty()) {
      target.makeEmpty();
      return target;
    }
    target.set(this.center, this.center);
    target.expandByScalar(this.radius);
    return target;
  }
  applyMatrix4(matrix) {
    this.center.applyMatrix4(matrix);
    this.radius = this.radius * matrix.getMaxScaleOnAxis();
    return this;
  }
  translate(offset) {
    this.center.add(offset);
    return this;
  }
  expandByPoint(point) {
    _toPoint.subVectors(point, this.center);
    const lengthSq = _toPoint.lengthSq();
    if (lengthSq > this.radius * this.radius) {
      const length = Math.sqrt(lengthSq);
      const missingRadiusHalf = (length - this.radius) * 0.5;
      this.center.add(_toPoint.multiplyScalar(missingRadiusHalf / length));
      this.radius += missingRadiusHalf;
    }
    return this;
  }
  union(sphere) {
    _toFarthestPoint.subVectors(sphere.center, this.center).normalize().multiplyScalar(sphere.radius);
    this.expandByPoint(_v1$6.copy(sphere.center).add(_toFarthestPoint));
    this.expandByPoint(_v1$6.copy(sphere.center).sub(_toFarthestPoint));
    return this;
  }
  equals(sphere) {
    return sphere.center.equals(this.center) && sphere.radius === this.radius;
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
var _vector$a = /* @__PURE__ */ new Vector3();
var _segCenter = /* @__PURE__ */ new Vector3();
var _segDir = /* @__PURE__ */ new Vector3();
var _diff = /* @__PURE__ */ new Vector3();
var _edge1 = /* @__PURE__ */ new Vector3();
var _edge2 = /* @__PURE__ */ new Vector3();
var _normal$1 = /* @__PURE__ */ new Vector3();
var Ray = class {
  constructor(origin = new Vector3(), direction = new Vector3(0, 0, -1)) {
    this.origin = origin;
    this.direction = direction;
  }
  set(origin, direction) {
    this.origin.copy(origin);
    this.direction.copy(direction);
    return this;
  }
  copy(ray) {
    this.origin.copy(ray.origin);
    this.direction.copy(ray.direction);
    return this;
  }
  at(t, target) {
    return target.copy(this.direction).multiplyScalar(t).add(this.origin);
  }
  lookAt(v) {
    this.direction.copy(v).sub(this.origin).normalize();
    return this;
  }
  recast(t) {
    this.origin.copy(this.at(t, _vector$a));
    return this;
  }
  closestPointToPoint(point, target) {
    target.subVectors(point, this.origin);
    const directionDistance = target.dot(this.direction);
    if (directionDistance < 0) {
      return target.copy(this.origin);
    }
    return target.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);
  }
  distanceToPoint(point) {
    return Math.sqrt(this.distanceSqToPoint(point));
  }
  distanceSqToPoint(point) {
    const directionDistance = _vector$a.subVectors(point, this.origin).dot(this.direction);
    if (directionDistance < 0) {
      return this.origin.distanceToSquared(point);
    }
    _vector$a.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);
    return _vector$a.distanceToSquared(point);
  }
  distanceSqToSegment(v02, v12, optionalPointOnRay, optionalPointOnSegment) {
    _segCenter.copy(v02).add(v12).multiplyScalar(0.5);
    _segDir.copy(v12).sub(v02).normalize();
    _diff.copy(this.origin).sub(_segCenter);
    const segExtent = v02.distanceTo(v12) * 0.5;
    const a01 = -this.direction.dot(_segDir);
    const b0 = _diff.dot(this.direction);
    const b1 = -_diff.dot(_segDir);
    const c2 = _diff.lengthSq();
    const det = Math.abs(1 - a01 * a01);
    let s0, s1, sqrDist, extDet;
    if (det > 0) {
      s0 = a01 * b1 - b0;
      s1 = a01 * b0 - b1;
      extDet = segExtent * det;
      if (s0 >= 0) {
        if (s1 >= -extDet) {
          if (s1 <= extDet) {
            const invDet = 1 / det;
            s0 *= invDet;
            s1 *= invDet;
            sqrDist = s0 * (s0 + a01 * s1 + 2 * b0) + s1 * (a01 * s0 + s1 + 2 * b1) + c2;
          } else {
            s1 = segExtent;
            s0 = Math.max(0, -(a01 * s1 + b0));
            sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c2;
          }
        } else {
          s1 = -segExtent;
          s0 = Math.max(0, -(a01 * s1 + b0));
          sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c2;
        }
      } else {
        if (s1 <= -extDet) {
          s0 = Math.max(0, -(-a01 * segExtent + b0));
          s1 = s0 > 0 ? -segExtent : Math.min(Math.max(-segExtent, -b1), segExtent);
          sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c2;
        } else if (s1 <= extDet) {
          s0 = 0;
          s1 = Math.min(Math.max(-segExtent, -b1), segExtent);
          sqrDist = s1 * (s1 + 2 * b1) + c2;
        } else {
          s0 = Math.max(0, -(a01 * segExtent + b0));
          s1 = s0 > 0 ? segExtent : Math.min(Math.max(-segExtent, -b1), segExtent);
          sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c2;
        }
      }
    } else {
      s1 = a01 > 0 ? -segExtent : segExtent;
      s0 = Math.max(0, -(a01 * s1 + b0));
      sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c2;
    }
    if (optionalPointOnRay) {
      optionalPointOnRay.copy(this.direction).multiplyScalar(s0).add(this.origin);
    }
    if (optionalPointOnSegment) {
      optionalPointOnSegment.copy(_segDir).multiplyScalar(s1).add(_segCenter);
    }
    return sqrDist;
  }
  intersectSphere(sphere, target) {
    _vector$a.subVectors(sphere.center, this.origin);
    const tca = _vector$a.dot(this.direction);
    const d2 = _vector$a.dot(_vector$a) - tca * tca;
    const radius2 = sphere.radius * sphere.radius;
    if (d2 > radius2)
      return null;
    const thc = Math.sqrt(radius2 - d2);
    const t0 = tca - thc;
    const t1 = tca + thc;
    if (t0 < 0 && t1 < 0)
      return null;
    if (t0 < 0)
      return this.at(t1, target);
    return this.at(t0, target);
  }
  intersectsSphere(sphere) {
    return this.distanceSqToPoint(sphere.center) <= sphere.radius * sphere.radius;
  }
  distanceToPlane(plane) {
    const denominator = plane.normal.dot(this.direction);
    if (denominator === 0) {
      if (plane.distanceToPoint(this.origin) === 0) {
        return 0;
      }
      return null;
    }
    const t = -(this.origin.dot(plane.normal) + plane.constant) / denominator;
    return t >= 0 ? t : null;
  }
  intersectPlane(plane, target) {
    const t = this.distanceToPlane(plane);
    if (t === null) {
      return null;
    }
    return this.at(t, target);
  }
  intersectsPlane(plane) {
    const distToPoint = plane.distanceToPoint(this.origin);
    if (distToPoint === 0) {
      return true;
    }
    const denominator = plane.normal.dot(this.direction);
    if (denominator * distToPoint < 0) {
      return true;
    }
    return false;
  }
  intersectBox(box, target) {
    let tmin, tmax, tymin, tymax, tzmin, tzmax;
    const invdirx = 1 / this.direction.x, invdiry = 1 / this.direction.y, invdirz = 1 / this.direction.z;
    const origin = this.origin;
    if (invdirx >= 0) {
      tmin = (box.min.x - origin.x) * invdirx;
      tmax = (box.max.x - origin.x) * invdirx;
    } else {
      tmin = (box.max.x - origin.x) * invdirx;
      tmax = (box.min.x - origin.x) * invdirx;
    }
    if (invdiry >= 0) {
      tymin = (box.min.y - origin.y) * invdiry;
      tymax = (box.max.y - origin.y) * invdiry;
    } else {
      tymin = (box.max.y - origin.y) * invdiry;
      tymax = (box.min.y - origin.y) * invdiry;
    }
    if (tmin > tymax || tymin > tmax)
      return null;
    if (tymin > tmin || tmin !== tmin)
      tmin = tymin;
    if (tymax < tmax || tmax !== tmax)
      tmax = tymax;
    if (invdirz >= 0) {
      tzmin = (box.min.z - origin.z) * invdirz;
      tzmax = (box.max.z - origin.z) * invdirz;
    } else {
      tzmin = (box.max.z - origin.z) * invdirz;
      tzmax = (box.min.z - origin.z) * invdirz;
    }
    if (tmin > tzmax || tzmin > tmax)
      return null;
    if (tzmin > tmin || tmin !== tmin)
      tmin = tzmin;
    if (tzmax < tmax || tmax !== tmax)
      tmax = tzmax;
    if (tmax < 0)
      return null;
    return this.at(tmin >= 0 ? tmin : tmax, target);
  }
  intersectsBox(box) {
    return this.intersectBox(box, _vector$a) !== null;
  }
  intersectTriangle(a2, b2, c2, backfaceCulling, target) {
    _edge1.subVectors(b2, a2);
    _edge2.subVectors(c2, a2);
    _normal$1.crossVectors(_edge1, _edge2);
    let DdN = this.direction.dot(_normal$1);
    let sign2;
    if (DdN > 0) {
      if (backfaceCulling)
        return null;
      sign2 = 1;
    } else if (DdN < 0) {
      sign2 = -1;
      DdN = -DdN;
    } else {
      return null;
    }
    _diff.subVectors(this.origin, a2);
    const DdQxE2 = sign2 * this.direction.dot(_edge2.crossVectors(_diff, _edge2));
    if (DdQxE2 < 0) {
      return null;
    }
    const DdE1xQ = sign2 * this.direction.dot(_edge1.cross(_diff));
    if (DdE1xQ < 0) {
      return null;
    }
    if (DdQxE2 + DdE1xQ > DdN) {
      return null;
    }
    const QdN = -sign2 * _diff.dot(_normal$1);
    if (QdN < 0) {
      return null;
    }
    return this.at(QdN / DdN, target);
  }
  applyMatrix4(matrix4) {
    this.origin.applyMatrix4(matrix4);
    this.direction.transformDirection(matrix4);
    return this;
  }
  equals(ray) {
    return ray.origin.equals(this.origin) && ray.direction.equals(this.direction);
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
var Matrix4 = class {
  constructor() {
    this.elements = [
      1,
      0,
      0,
      0,
      0,
      1,
      0,
      0,
      0,
      0,
      1,
      0,
      0,
      0,
      0,
      1
    ];
    if (arguments.length > 0) {
      console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.");
    }
  }
  set(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44) {
    const te = this.elements;
    te[0] = n11;
    te[4] = n12;
    te[8] = n13;
    te[12] = n14;
    te[1] = n21;
    te[5] = n22;
    te[9] = n23;
    te[13] = n24;
    te[2] = n31;
    te[6] = n32;
    te[10] = n33;
    te[14] = n34;
    te[3] = n41;
    te[7] = n42;
    te[11] = n43;
    te[15] = n44;
    return this;
  }
  identity() {
    this.set(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    return this;
  }
  clone() {
    return new Matrix4().fromArray(this.elements);
  }
  copy(m) {
    const te = this.elements;
    const me = m.elements;
    te[0] = me[0];
    te[1] = me[1];
    te[2] = me[2];
    te[3] = me[3];
    te[4] = me[4];
    te[5] = me[5];
    te[6] = me[6];
    te[7] = me[7];
    te[8] = me[8];
    te[9] = me[9];
    te[10] = me[10];
    te[11] = me[11];
    te[12] = me[12];
    te[13] = me[13];
    te[14] = me[14];
    te[15] = me[15];
    return this;
  }
  copyPosition(m) {
    const te = this.elements, me = m.elements;
    te[12] = me[12];
    te[13] = me[13];
    te[14] = me[14];
    return this;
  }
  setFromMatrix3(m) {
    const me = m.elements;
    this.set(me[0], me[3], me[6], 0, me[1], me[4], me[7], 0, me[2], me[5], me[8], 0, 0, 0, 0, 1);
    return this;
  }
  extractBasis(xAxis, yAxis, zAxis) {
    xAxis.setFromMatrixColumn(this, 0);
    yAxis.setFromMatrixColumn(this, 1);
    zAxis.setFromMatrixColumn(this, 2);
    return this;
  }
  makeBasis(xAxis, yAxis, zAxis) {
    this.set(xAxis.x, yAxis.x, zAxis.x, 0, xAxis.y, yAxis.y, zAxis.y, 0, xAxis.z, yAxis.z, zAxis.z, 0, 0, 0, 0, 1);
    return this;
  }
  extractRotation(m) {
    const te = this.elements;
    const me = m.elements;
    const scaleX = 1 / _v1$5.setFromMatrixColumn(m, 0).length();
    const scaleY = 1 / _v1$5.setFromMatrixColumn(m, 1).length();
    const scaleZ = 1 / _v1$5.setFromMatrixColumn(m, 2).length();
    te[0] = me[0] * scaleX;
    te[1] = me[1] * scaleX;
    te[2] = me[2] * scaleX;
    te[3] = 0;
    te[4] = me[4] * scaleY;
    te[5] = me[5] * scaleY;
    te[6] = me[6] * scaleY;
    te[7] = 0;
    te[8] = me[8] * scaleZ;
    te[9] = me[9] * scaleZ;
    te[10] = me[10] * scaleZ;
    te[11] = 0;
    te[12] = 0;
    te[13] = 0;
    te[14] = 0;
    te[15] = 1;
    return this;
  }
  makeRotationFromEuler(euler) {
    if (!(euler && euler.isEuler)) {
      console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");
    }
    const te = this.elements;
    const x = euler.x, y = euler.y, z = euler.z;
    const a2 = Math.cos(x), b2 = Math.sin(x);
    const c2 = Math.cos(y), d = Math.sin(y);
    const e = Math.cos(z), f = Math.sin(z);
    if (euler.order === "XYZ") {
      const ae = a2 * e, af = a2 * f, be = b2 * e, bf = b2 * f;
      te[0] = c2 * e;
      te[4] = -c2 * f;
      te[8] = d;
      te[1] = af + be * d;
      te[5] = ae - bf * d;
      te[9] = -b2 * c2;
      te[2] = bf - ae * d;
      te[6] = be + af * d;
      te[10] = a2 * c2;
    } else if (euler.order === "YXZ") {
      const ce = c2 * e, cf = c2 * f, de = d * e, df = d * f;
      te[0] = ce + df * b2;
      te[4] = de * b2 - cf;
      te[8] = a2 * d;
      te[1] = a2 * f;
      te[5] = a2 * e;
      te[9] = -b2;
      te[2] = cf * b2 - de;
      te[6] = df + ce * b2;
      te[10] = a2 * c2;
    } else if (euler.order === "ZXY") {
      const ce = c2 * e, cf = c2 * f, de = d * e, df = d * f;
      te[0] = ce - df * b2;
      te[4] = -a2 * f;
      te[8] = de + cf * b2;
      te[1] = cf + de * b2;
      te[5] = a2 * e;
      te[9] = df - ce * b2;
      te[2] = -a2 * d;
      te[6] = b2;
      te[10] = a2 * c2;
    } else if (euler.order === "ZYX") {
      const ae = a2 * e, af = a2 * f, be = b2 * e, bf = b2 * f;
      te[0] = c2 * e;
      te[4] = be * d - af;
      te[8] = ae * d + bf;
      te[1] = c2 * f;
      te[5] = bf * d + ae;
      te[9] = af * d - be;
      te[2] = -d;
      te[6] = b2 * c2;
      te[10] = a2 * c2;
    } else if (euler.order === "YZX") {
      const ac = a2 * c2, ad = a2 * d, bc = b2 * c2, bd = b2 * d;
      te[0] = c2 * e;
      te[4] = bd - ac * f;
      te[8] = bc * f + ad;
      te[1] = f;
      te[5] = a2 * e;
      te[9] = -b2 * e;
      te[2] = -d * e;
      te[6] = ad * f + bc;
      te[10] = ac - bd * f;
    } else if (euler.order === "XZY") {
      const ac = a2 * c2, ad = a2 * d, bc = b2 * c2, bd = b2 * d;
      te[0] = c2 * e;
      te[4] = -f;
      te[8] = d * e;
      te[1] = ac * f + bd;
      te[5] = a2 * e;
      te[9] = ad * f - bc;
      te[2] = bc * f - ad;
      te[6] = b2 * e;
      te[10] = bd * f + ac;
    }
    te[3] = 0;
    te[7] = 0;
    te[11] = 0;
    te[12] = 0;
    te[13] = 0;
    te[14] = 0;
    te[15] = 1;
    return this;
  }
  makeRotationFromQuaternion(q) {
    return this.compose(_zero, q, _one);
  }
  lookAt(eye, target, up) {
    const te = this.elements;
    _z.subVectors(eye, target);
    if (_z.lengthSq() === 0) {
      _z.z = 1;
    }
    _z.normalize();
    _x.crossVectors(up, _z);
    if (_x.lengthSq() === 0) {
      if (Math.abs(up.z) === 1) {
        _z.x += 1e-4;
      } else {
        _z.z += 1e-4;
      }
      _z.normalize();
      _x.crossVectors(up, _z);
    }
    _x.normalize();
    _y.crossVectors(_z, _x);
    te[0] = _x.x;
    te[4] = _y.x;
    te[8] = _z.x;
    te[1] = _x.y;
    te[5] = _y.y;
    te[9] = _z.y;
    te[2] = _x.z;
    te[6] = _y.z;
    te[10] = _z.z;
    return this;
  }
  multiply(m, n) {
    if (n !== void 0) {
      console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.");
      return this.multiplyMatrices(m, n);
    }
    return this.multiplyMatrices(this, m);
  }
  premultiply(m) {
    return this.multiplyMatrices(m, this);
  }
  multiplyMatrices(a2, b2) {
    const ae = a2.elements;
    const be = b2.elements;
    const te = this.elements;
    const a11 = ae[0], a12 = ae[4], a13 = ae[8], a14 = ae[12];
    const a21 = ae[1], a22 = ae[5], a23 = ae[9], a24 = ae[13];
    const a31 = ae[2], a32 = ae[6], a33 = ae[10], a34 = ae[14];
    const a41 = ae[3], a42 = ae[7], a43 = ae[11], a44 = ae[15];
    const b11 = be[0], b12 = be[4], b13 = be[8], b14 = be[12];
    const b21 = be[1], b22 = be[5], b23 = be[9], b24 = be[13];
    const b31 = be[2], b32 = be[6], b33 = be[10], b34 = be[14];
    const b41 = be[3], b42 = be[7], b43 = be[11], b44 = be[15];
    te[0] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;
    te[4] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;
    te[8] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;
    te[12] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;
    te[1] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;
    te[5] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;
    te[9] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;
    te[13] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;
    te[2] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;
    te[6] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;
    te[10] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;
    te[14] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;
    te[3] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;
    te[7] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;
    te[11] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;
    te[15] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;
    return this;
  }
  multiplyScalar(s) {
    const te = this.elements;
    te[0] *= s;
    te[4] *= s;
    te[8] *= s;
    te[12] *= s;
    te[1] *= s;
    te[5] *= s;
    te[9] *= s;
    te[13] *= s;
    te[2] *= s;
    te[6] *= s;
    te[10] *= s;
    te[14] *= s;
    te[3] *= s;
    te[7] *= s;
    te[11] *= s;
    te[15] *= s;
    return this;
  }
  determinant() {
    const te = this.elements;
    const n11 = te[0], n12 = te[4], n13 = te[8], n14 = te[12];
    const n21 = te[1], n22 = te[5], n23 = te[9], n24 = te[13];
    const n31 = te[2], n32 = te[6], n33 = te[10], n34 = te[14];
    const n41 = te[3], n42 = te[7], n43 = te[11], n44 = te[15];
    return n41 * (+n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34) + n42 * (+n11 * n23 * n34 - n11 * n24 * n33 + n14 * n21 * n33 - n13 * n21 * n34 + n13 * n24 * n31 - n14 * n23 * n31) + n43 * (+n11 * n24 * n32 - n11 * n22 * n34 - n14 * n21 * n32 + n12 * n21 * n34 + n14 * n22 * n31 - n12 * n24 * n31) + n44 * (-n13 * n22 * n31 - n11 * n23 * n32 + n11 * n22 * n33 + n13 * n21 * n32 - n12 * n21 * n33 + n12 * n23 * n31);
  }
  transpose() {
    const te = this.elements;
    let tmp3;
    tmp3 = te[1];
    te[1] = te[4];
    te[4] = tmp3;
    tmp3 = te[2];
    te[2] = te[8];
    te[8] = tmp3;
    tmp3 = te[6];
    te[6] = te[9];
    te[9] = tmp3;
    tmp3 = te[3];
    te[3] = te[12];
    te[12] = tmp3;
    tmp3 = te[7];
    te[7] = te[13];
    te[13] = tmp3;
    tmp3 = te[11];
    te[11] = te[14];
    te[14] = tmp3;
    return this;
  }
  setPosition(x, y, z) {
    const te = this.elements;
    if (x.isVector3) {
      te[12] = x.x;
      te[13] = x.y;
      te[14] = x.z;
    } else {
      te[12] = x;
      te[13] = y;
      te[14] = z;
    }
    return this;
  }
  invert() {
    const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n41 = te[3], n12 = te[4], n22 = te[5], n32 = te[6], n42 = te[7], n13 = te[8], n23 = te[9], n33 = te[10], n43 = te[11], n14 = te[12], n24 = te[13], n34 = te[14], n44 = te[15], t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;
    const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;
    if (det === 0)
      return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
    const detInv = 1 / det;
    te[0] = t11 * detInv;
    te[1] = (n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44) * detInv;
    te[2] = (n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44) * detInv;
    te[3] = (n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43) * detInv;
    te[4] = t12 * detInv;
    te[5] = (n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44) * detInv;
    te[6] = (n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44) * detInv;
    te[7] = (n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43) * detInv;
    te[8] = t13 * detInv;
    te[9] = (n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44) * detInv;
    te[10] = (n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44) * detInv;
    te[11] = (n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43) * detInv;
    te[12] = t14 * detInv;
    te[13] = (n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34) * detInv;
    te[14] = (n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34) * detInv;
    te[15] = (n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33) * detInv;
    return this;
  }
  scale(v) {
    const te = this.elements;
    const x = v.x, y = v.y, z = v.z;
    te[0] *= x;
    te[4] *= y;
    te[8] *= z;
    te[1] *= x;
    te[5] *= y;
    te[9] *= z;
    te[2] *= x;
    te[6] *= y;
    te[10] *= z;
    te[3] *= x;
    te[7] *= y;
    te[11] *= z;
    return this;
  }
  getMaxScaleOnAxis() {
    const te = this.elements;
    const scaleXSq = te[0] * te[0] + te[1] * te[1] + te[2] * te[2];
    const scaleYSq = te[4] * te[4] + te[5] * te[5] + te[6] * te[6];
    const scaleZSq = te[8] * te[8] + te[9] * te[9] + te[10] * te[10];
    return Math.sqrt(Math.max(scaleXSq, scaleYSq, scaleZSq));
  }
  makeTranslation(x, y, z) {
    this.set(1, 0, 0, x, 0, 1, 0, y, 0, 0, 1, z, 0, 0, 0, 1);
    return this;
  }
  makeRotationX(theta) {
    const c2 = Math.cos(theta), s = Math.sin(theta);
    this.set(1, 0, 0, 0, 0, c2, -s, 0, 0, s, c2, 0, 0, 0, 0, 1);
    return this;
  }
  makeRotationY(theta) {
    const c2 = Math.cos(theta), s = Math.sin(theta);
    this.set(c2, 0, s, 0, 0, 1, 0, 0, -s, 0, c2, 0, 0, 0, 0, 1);
    return this;
  }
  makeRotationZ(theta) {
    const c2 = Math.cos(theta), s = Math.sin(theta);
    this.set(c2, -s, 0, 0, s, c2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
    return this;
  }
  makeRotationAxis(axis, angle) {
    const c2 = Math.cos(angle);
    const s = Math.sin(angle);
    const t = 1 - c2;
    const x = axis.x, y = axis.y, z = axis.z;
    const tx = t * x, ty = t * y;
    this.set(tx * x + c2, tx * y - s * z, tx * z + s * y, 0, tx * y + s * z, ty * y + c2, ty * z - s * x, 0, tx * z - s * y, ty * z + s * x, t * z * z + c2, 0, 0, 0, 0, 1);
    return this;
  }
  makeScale(x, y, z) {
    this.set(x, 0, 0, 0, 0, y, 0, 0, 0, 0, z, 0, 0, 0, 0, 1);
    return this;
  }
  makeShear(xy, xz, yx, yz, zx, zy) {
    this.set(1, yx, zx, 0, xy, 1, zy, 0, xz, yz, 1, 0, 0, 0, 0, 1);
    return this;
  }
  compose(position, quaternion, scale) {
    const te = this.elements;
    const x = quaternion._x, y = quaternion._y, z = quaternion._z, w2 = quaternion._w;
    const x2 = x + x, y2 = y + y, z2 = z + z;
    const xx = x * x2, xy = x * y2, xz = x * z2;
    const yy = y * y2, yz = y * z2, zz = z * z2;
    const wx = w2 * x2, wy = w2 * y2, wz = w2 * z2;
    const sx = scale.x, sy = scale.y, sz = scale.z;
    te[0] = (1 - (yy + zz)) * sx;
    te[1] = (xy + wz) * sx;
    te[2] = (xz - wy) * sx;
    te[3] = 0;
    te[4] = (xy - wz) * sy;
    te[5] = (1 - (xx + zz)) * sy;
    te[6] = (yz + wx) * sy;
    te[7] = 0;
    te[8] = (xz + wy) * sz;
    te[9] = (yz - wx) * sz;
    te[10] = (1 - (xx + yy)) * sz;
    te[11] = 0;
    te[12] = position.x;
    te[13] = position.y;
    te[14] = position.z;
    te[15] = 1;
    return this;
  }
  decompose(position, quaternion, scale) {
    const te = this.elements;
    let sx = _v1$5.set(te[0], te[1], te[2]).length();
    const sy = _v1$5.set(te[4], te[5], te[6]).length();
    const sz = _v1$5.set(te[8], te[9], te[10]).length();
    const det = this.determinant();
    if (det < 0)
      sx = -sx;
    position.x = te[12];
    position.y = te[13];
    position.z = te[14];
    _m1$2.copy(this);
    const invSX = 1 / sx;
    const invSY = 1 / sy;
    const invSZ = 1 / sz;
    _m1$2.elements[0] *= invSX;
    _m1$2.elements[1] *= invSX;
    _m1$2.elements[2] *= invSX;
    _m1$2.elements[4] *= invSY;
    _m1$2.elements[5] *= invSY;
    _m1$2.elements[6] *= invSY;
    _m1$2.elements[8] *= invSZ;
    _m1$2.elements[9] *= invSZ;
    _m1$2.elements[10] *= invSZ;
    quaternion.setFromRotationMatrix(_m1$2);
    scale.x = sx;
    scale.y = sy;
    scale.z = sz;
    return this;
  }
  makePerspective(left, right, top, bottom, near, far) {
    if (far === void 0) {
      console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");
    }
    const te = this.elements;
    const x = 2 * near / (right - left);
    const y = 2 * near / (top - bottom);
    const a2 = (right + left) / (right - left);
    const b2 = (top + bottom) / (top - bottom);
    const c2 = -(far + near) / (far - near);
    const d = -2 * far * near / (far - near);
    te[0] = x;
    te[4] = 0;
    te[8] = a2;
    te[12] = 0;
    te[1] = 0;
    te[5] = y;
    te[9] = b2;
    te[13] = 0;
    te[2] = 0;
    te[6] = 0;
    te[10] = c2;
    te[14] = d;
    te[3] = 0;
    te[7] = 0;
    te[11] = -1;
    te[15] = 0;
    return this;
  }
  makeOrthographic(left, right, top, bottom, near, far) {
    const te = this.elements;
    const w2 = 1 / (right - left);
    const h = 1 / (top - bottom);
    const p2 = 1 / (far - near);
    const x = (right + left) * w2;
    const y = (top + bottom) * h;
    const z = (far + near) * p2;
    te[0] = 2 * w2;
    te[4] = 0;
    te[8] = 0;
    te[12] = -x;
    te[1] = 0;
    te[5] = 2 * h;
    te[9] = 0;
    te[13] = -y;
    te[2] = 0;
    te[6] = 0;
    te[10] = -2 * p2;
    te[14] = -z;
    te[3] = 0;
    te[7] = 0;
    te[11] = 0;
    te[15] = 1;
    return this;
  }
  equals(matrix) {
    const te = this.elements;
    const me = matrix.elements;
    for (let i = 0; i < 16; i++) {
      if (te[i] !== me[i])
        return false;
    }
    return true;
  }
  fromArray(array, offset = 0) {
    for (let i = 0; i < 16; i++) {
      this.elements[i] = array[i + offset];
    }
    return this;
  }
  toArray(array = [], offset = 0) {
    const te = this.elements;
    array[offset] = te[0];
    array[offset + 1] = te[1];
    array[offset + 2] = te[2];
    array[offset + 3] = te[3];
    array[offset + 4] = te[4];
    array[offset + 5] = te[5];
    array[offset + 6] = te[6];
    array[offset + 7] = te[7];
    array[offset + 8] = te[8];
    array[offset + 9] = te[9];
    array[offset + 10] = te[10];
    array[offset + 11] = te[11];
    array[offset + 12] = te[12];
    array[offset + 13] = te[13];
    array[offset + 14] = te[14];
    array[offset + 15] = te[15];
    return array;
  }
};
Matrix4.prototype.isMatrix4 = true;
var _v1$5 = /* @__PURE__ */ new Vector3();
var _m1$2 = /* @__PURE__ */ new Matrix4();
var _zero = /* @__PURE__ */ new Vector3(0, 0, 0);
var _one = /* @__PURE__ */ new Vector3(1, 1, 1);
var _x = /* @__PURE__ */ new Vector3();
var _y = /* @__PURE__ */ new Vector3();
var _z = /* @__PURE__ */ new Vector3();
var _matrix$1 = /* @__PURE__ */ new Matrix4();
var _quaternion$3 = /* @__PURE__ */ new Quaternion();
var Euler = class {
  constructor(x = 0, y = 0, z = 0, order = Euler.DefaultOrder) {
    this._x = x;
    this._y = y;
    this._z = z;
    this._order = order;
  }
  get x() {
    return this._x;
  }
  set x(value) {
    this._x = value;
    this._onChangeCallback();
  }
  get y() {
    return this._y;
  }
  set y(value) {
    this._y = value;
    this._onChangeCallback();
  }
  get z() {
    return this._z;
  }
  set z(value) {
    this._z = value;
    this._onChangeCallback();
  }
  get order() {
    return this._order;
  }
  set order(value) {
    this._order = value;
    this._onChangeCallback();
  }
  set(x, y, z, order = this._order) {
    this._x = x;
    this._y = y;
    this._z = z;
    this._order = order;
    this._onChangeCallback();
    return this;
  }
  clone() {
    return new this.constructor(this._x, this._y, this._z, this._order);
  }
  copy(euler) {
    this._x = euler._x;
    this._y = euler._y;
    this._z = euler._z;
    this._order = euler._order;
    this._onChangeCallback();
    return this;
  }
  setFromRotationMatrix(m, order = this._order, update = true) {
    const te = m.elements;
    const m11 = te[0], m12 = te[4], m13 = te[8];
    const m21 = te[1], m22 = te[5], m23 = te[9];
    const m31 = te[2], m32 = te[6], m33 = te[10];
    switch (order) {
      case "XYZ":
        this._y = Math.asin(clamp(m13, -1, 1));
        if (Math.abs(m13) < 0.9999999) {
          this._x = Math.atan2(-m23, m33);
          this._z = Math.atan2(-m12, m11);
        } else {
          this._x = Math.atan2(m32, m22);
          this._z = 0;
        }
        break;
      case "YXZ":
        this._x = Math.asin(-clamp(m23, -1, 1));
        if (Math.abs(m23) < 0.9999999) {
          this._y = Math.atan2(m13, m33);
          this._z = Math.atan2(m21, m22);
        } else {
          this._y = Math.atan2(-m31, m11);
          this._z = 0;
        }
        break;
      case "ZXY":
        this._x = Math.asin(clamp(m32, -1, 1));
        if (Math.abs(m32) < 0.9999999) {
          this._y = Math.atan2(-m31, m33);
          this._z = Math.atan2(-m12, m22);
        } else {
          this._y = 0;
          this._z = Math.atan2(m21, m11);
        }
        break;
      case "ZYX":
        this._y = Math.asin(-clamp(m31, -1, 1));
        if (Math.abs(m31) < 0.9999999) {
          this._x = Math.atan2(m32, m33);
          this._z = Math.atan2(m21, m11);
        } else {
          this._x = 0;
          this._z = Math.atan2(-m12, m22);
        }
        break;
      case "YZX":
        this._z = Math.asin(clamp(m21, -1, 1));
        if (Math.abs(m21) < 0.9999999) {
          this._x = Math.atan2(-m23, m22);
          this._y = Math.atan2(-m31, m11);
        } else {
          this._x = 0;
          this._y = Math.atan2(m13, m33);
        }
        break;
      case "XZY":
        this._z = Math.asin(-clamp(m12, -1, 1));
        if (Math.abs(m12) < 0.9999999) {
          this._x = Math.atan2(m32, m22);
          this._y = Math.atan2(m13, m11);
        } else {
          this._x = Math.atan2(-m23, m33);
          this._y = 0;
        }
        break;
      default:
        console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: " + order);
    }
    this._order = order;
    if (update === true)
      this._onChangeCallback();
    return this;
  }
  setFromQuaternion(q, order, update) {
    _matrix$1.makeRotationFromQuaternion(q);
    return this.setFromRotationMatrix(_matrix$1, order, update);
  }
  setFromVector3(v, order = this._order) {
    return this.set(v.x, v.y, v.z, order);
  }
  reorder(newOrder) {
    _quaternion$3.setFromEuler(this);
    return this.setFromQuaternion(_quaternion$3, newOrder);
  }
  equals(euler) {
    return euler._x === this._x && euler._y === this._y && euler._z === this._z && euler._order === this._order;
  }
  fromArray(array) {
    this._x = array[0];
    this._y = array[1];
    this._z = array[2];
    if (array[3] !== void 0)
      this._order = array[3];
    this._onChangeCallback();
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this._x;
    array[offset + 1] = this._y;
    array[offset + 2] = this._z;
    array[offset + 3] = this._order;
    return array;
  }
  toVector3(optionalResult) {
    if (optionalResult) {
      return optionalResult.set(this._x, this._y, this._z);
    } else {
      return new Vector3(this._x, this._y, this._z);
    }
  }
  _onChange(callback) {
    this._onChangeCallback = callback;
    return this;
  }
  _onChangeCallback() {
  }
};
Euler.prototype.isEuler = true;
Euler.DefaultOrder = "XYZ";
Euler.RotationOrders = ["XYZ", "YZX", "ZXY", "XZY", "YXZ", "ZYX"];
var Layers = class {
  constructor() {
    this.mask = 1 | 0;
  }
  set(channel) {
    this.mask = 1 << channel | 0;
  }
  enable(channel) {
    this.mask |= 1 << channel | 0;
  }
  enableAll() {
    this.mask = 4294967295 | 0;
  }
  toggle(channel) {
    this.mask ^= 1 << channel | 0;
  }
  disable(channel) {
    this.mask &= ~(1 << channel | 0);
  }
  disableAll() {
    this.mask = 0;
  }
  test(layers) {
    return (this.mask & layers.mask) !== 0;
  }
};
var _object3DId = 0;
var _v1$4 = /* @__PURE__ */ new Vector3();
var _q1 = /* @__PURE__ */ new Quaternion();
var _m1$1 = /* @__PURE__ */ new Matrix4();
var _target = /* @__PURE__ */ new Vector3();
var _position$3 = /* @__PURE__ */ new Vector3();
var _scale$2 = /* @__PURE__ */ new Vector3();
var _quaternion$2 = /* @__PURE__ */ new Quaternion();
var _xAxis = /* @__PURE__ */ new Vector3(1, 0, 0);
var _yAxis = /* @__PURE__ */ new Vector3(0, 1, 0);
var _zAxis = /* @__PURE__ */ new Vector3(0, 0, 1);
var _addedEvent = { type: "added" };
var _removedEvent = { type: "removed" };
var Object3D = class extends EventDispatcher {
  constructor() {
    super();
    Object.defineProperty(this, "id", { value: _object3DId++ });
    this.uuid = generateUUID();
    this.name = "";
    this.type = "Object3D";
    this.parent = null;
    this.children = [];
    this.up = Object3D.DefaultUp.clone();
    const position = new Vector3();
    const rotation = new Euler();
    const quaternion = new Quaternion();
    const scale = new Vector3(1, 1, 1);
    function onRotationChange() {
      quaternion.setFromEuler(rotation, false);
    }
    function onQuaternionChange() {
      rotation.setFromQuaternion(quaternion, void 0, false);
    }
    rotation._onChange(onRotationChange);
    quaternion._onChange(onQuaternionChange);
    Object.defineProperties(this, {
      position: {
        configurable: true,
        enumerable: true,
        value: position
      },
      rotation: {
        configurable: true,
        enumerable: true,
        value: rotation
      },
      quaternion: {
        configurable: true,
        enumerable: true,
        value: quaternion
      },
      scale: {
        configurable: true,
        enumerable: true,
        value: scale
      },
      modelViewMatrix: {
        value: new Matrix4()
      },
      normalMatrix: {
        value: new Matrix3()
      }
    });
    this.matrix = new Matrix4();
    this.matrixWorld = new Matrix4();
    this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;
    this.matrixWorldNeedsUpdate = false;
    this.layers = new Layers();
    this.visible = true;
    this.castShadow = false;
    this.receiveShadow = false;
    this.frustumCulled = true;
    this.renderOrder = 0;
    this.animations = [];
    this.userData = {};
  }
  onBeforeRender() {
  }
  onAfterRender() {
  }
  applyMatrix4(matrix) {
    if (this.matrixAutoUpdate)
      this.updateMatrix();
    this.matrix.premultiply(matrix);
    this.matrix.decompose(this.position, this.quaternion, this.scale);
  }
  applyQuaternion(q) {
    this.quaternion.premultiply(q);
    return this;
  }
  setRotationFromAxisAngle(axis, angle) {
    this.quaternion.setFromAxisAngle(axis, angle);
  }
  setRotationFromEuler(euler) {
    this.quaternion.setFromEuler(euler, true);
  }
  setRotationFromMatrix(m) {
    this.quaternion.setFromRotationMatrix(m);
  }
  setRotationFromQuaternion(q) {
    this.quaternion.copy(q);
  }
  rotateOnAxis(axis, angle) {
    _q1.setFromAxisAngle(axis, angle);
    this.quaternion.multiply(_q1);
    return this;
  }
  rotateOnWorldAxis(axis, angle) {
    _q1.setFromAxisAngle(axis, angle);
    this.quaternion.premultiply(_q1);
    return this;
  }
  rotateX(angle) {
    return this.rotateOnAxis(_xAxis, angle);
  }
  rotateY(angle) {
    return this.rotateOnAxis(_yAxis, angle);
  }
  rotateZ(angle) {
    return this.rotateOnAxis(_zAxis, angle);
  }
  translateOnAxis(axis, distance) {
    _v1$4.copy(axis).applyQuaternion(this.quaternion);
    this.position.add(_v1$4.multiplyScalar(distance));
    return this;
  }
  translateX(distance) {
    return this.translateOnAxis(_xAxis, distance);
  }
  translateY(distance) {
    return this.translateOnAxis(_yAxis, distance);
  }
  translateZ(distance) {
    return this.translateOnAxis(_zAxis, distance);
  }
  localToWorld(vector) {
    return vector.applyMatrix4(this.matrixWorld);
  }
  worldToLocal(vector) {
    return vector.applyMatrix4(_m1$1.copy(this.matrixWorld).invert());
  }
  lookAt(x, y, z) {
    if (x.isVector3) {
      _target.copy(x);
    } else {
      _target.set(x, y, z);
    }
    const parent = this.parent;
    this.updateWorldMatrix(true, false);
    _position$3.setFromMatrixPosition(this.matrixWorld);
    if (this.isCamera || this.isLight) {
      _m1$1.lookAt(_position$3, _target, this.up);
    } else {
      _m1$1.lookAt(_target, _position$3, this.up);
    }
    this.quaternion.setFromRotationMatrix(_m1$1);
    if (parent) {
      _m1$1.extractRotation(parent.matrixWorld);
      _q1.setFromRotationMatrix(_m1$1);
      this.quaternion.premultiply(_q1.invert());
    }
  }
  add(object) {
    if (arguments.length > 1) {
      for (let i = 0; i < arguments.length; i++) {
        this.add(arguments[i]);
      }
      return this;
    }
    if (object === this) {
      console.error("THREE.Object3D.add: object can't be added as a child of itself.", object);
      return this;
    }
    if (object && object.isObject3D) {
      if (object.parent !== null) {
        object.parent.remove(object);
      }
      object.parent = this;
      this.children.push(object);
      object.dispatchEvent(_addedEvent);
    } else {
      console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.", object);
    }
    return this;
  }
  remove(object) {
    if (arguments.length > 1) {
      for (let i = 0; i < arguments.length; i++) {
        this.remove(arguments[i]);
      }
      return this;
    }
    const index = this.children.indexOf(object);
    if (index !== -1) {
      object.parent = null;
      this.children.splice(index, 1);
      object.dispatchEvent(_removedEvent);
    }
    return this;
  }
  removeFromParent() {
    const parent = this.parent;
    if (parent !== null) {
      parent.remove(this);
    }
    return this;
  }
  clear() {
    for (let i = 0; i < this.children.length; i++) {
      const object = this.children[i];
      object.parent = null;
      object.dispatchEvent(_removedEvent);
    }
    this.children.length = 0;
    return this;
  }
  attach(object) {
    this.updateWorldMatrix(true, false);
    _m1$1.copy(this.matrixWorld).invert();
    if (object.parent !== null) {
      object.parent.updateWorldMatrix(true, false);
      _m1$1.multiply(object.parent.matrixWorld);
    }
    object.applyMatrix4(_m1$1);
    this.add(object);
    object.updateWorldMatrix(false, true);
    return this;
  }
  getObjectById(id) {
    return this.getObjectByProperty("id", id);
  }
  getObjectByName(name) {
    return this.getObjectByProperty("name", name);
  }
  getObjectByProperty(name, value) {
    if (this[name] === value)
      return this;
    for (let i = 0, l = this.children.length; i < l; i++) {
      const child = this.children[i];
      const object = child.getObjectByProperty(name, value);
      if (object !== void 0) {
        return object;
      }
    }
    return void 0;
  }
  getWorldPosition(target) {
    this.updateWorldMatrix(true, false);
    return target.setFromMatrixPosition(this.matrixWorld);
  }
  getWorldQuaternion(target) {
    this.updateWorldMatrix(true, false);
    this.matrixWorld.decompose(_position$3, target, _scale$2);
    return target;
  }
  getWorldScale(target) {
    this.updateWorldMatrix(true, false);
    this.matrixWorld.decompose(_position$3, _quaternion$2, target);
    return target;
  }
  getWorldDirection(target) {
    this.updateWorldMatrix(true, false);
    const e = this.matrixWorld.elements;
    return target.set(e[8], e[9], e[10]).normalize();
  }
  raycast() {
  }
  traverse(callback) {
    callback(this);
    const children = this.children;
    for (let i = 0, l = children.length; i < l; i++) {
      children[i].traverse(callback);
    }
  }
  traverseVisible(callback) {
    if (this.visible === false)
      return;
    callback(this);
    const children = this.children;
    for (let i = 0, l = children.length; i < l; i++) {
      children[i].traverseVisible(callback);
    }
  }
  traverseAncestors(callback) {
    const parent = this.parent;
    if (parent !== null) {
      callback(parent);
      parent.traverseAncestors(callback);
    }
  }
  updateMatrix() {
    this.matrix.compose(this.position, this.quaternion, this.scale);
    this.matrixWorldNeedsUpdate = true;
  }
  updateMatrixWorld(force) {
    if (this.matrixAutoUpdate)
      this.updateMatrix();
    if (this.matrixWorldNeedsUpdate || force) {
      if (this.parent === null) {
        this.matrixWorld.copy(this.matrix);
      } else {
        this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix);
      }
      this.matrixWorldNeedsUpdate = false;
      force = true;
    }
    const children = this.children;
    for (let i = 0, l = children.length; i < l; i++) {
      children[i].updateMatrixWorld(force);
    }
  }
  updateWorldMatrix(updateParents, updateChildren) {
    const parent = this.parent;
    if (updateParents === true && parent !== null) {
      parent.updateWorldMatrix(true, false);
    }
    if (this.matrixAutoUpdate)
      this.updateMatrix();
    if (this.parent === null) {
      this.matrixWorld.copy(this.matrix);
    } else {
      this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix);
    }
    if (updateChildren === true) {
      const children = this.children;
      for (let i = 0, l = children.length; i < l; i++) {
        children[i].updateWorldMatrix(false, true);
      }
    }
  }
  toJSON(meta) {
    const isRootObject = meta === void 0 || typeof meta === "string";
    const output = {};
    if (isRootObject) {
      meta = {
        geometries: {},
        materials: {},
        textures: {},
        images: {},
        shapes: {},
        skeletons: {},
        animations: {}
      };
      output.metadata = {
        version: 4.5,
        type: "Object",
        generator: "Object3D.toJSON"
      };
    }
    const object = {};
    object.uuid = this.uuid;
    object.type = this.type;
    if (this.name !== "")
      object.name = this.name;
    if (this.castShadow === true)
      object.castShadow = true;
    if (this.receiveShadow === true)
      object.receiveShadow = true;
    if (this.visible === false)
      object.visible = false;
    if (this.frustumCulled === false)
      object.frustumCulled = false;
    if (this.renderOrder !== 0)
      object.renderOrder = this.renderOrder;
    if (JSON.stringify(this.userData) !== "{}")
      object.userData = this.userData;
    object.layers = this.layers.mask;
    object.matrix = this.matrix.toArray();
    if (this.matrixAutoUpdate === false)
      object.matrixAutoUpdate = false;
    if (this.isInstancedMesh) {
      object.type = "InstancedMesh";
      object.count = this.count;
      object.instanceMatrix = this.instanceMatrix.toJSON();
      if (this.instanceColor !== null)
        object.instanceColor = this.instanceColor.toJSON();
    }
    function serialize(library2, element) {
      if (library2[element.uuid] === void 0) {
        library2[element.uuid] = element.toJSON(meta);
      }
      return element.uuid;
    }
    if (this.isScene) {
      if (this.background) {
        if (this.background.isColor) {
          object.background = this.background.toJSON();
        } else if (this.background.isTexture) {
          object.background = this.background.toJSON(meta).uuid;
        }
      }
      if (this.environment && this.environment.isTexture) {
        object.environment = this.environment.toJSON(meta).uuid;
      }
    } else if (this.isMesh || this.isLine || this.isPoints) {
      object.geometry = serialize(meta.geometries, this.geometry);
      const parameters = this.geometry.parameters;
      if (parameters !== void 0 && parameters.shapes !== void 0) {
        const shapes = parameters.shapes;
        if (Array.isArray(shapes)) {
          for (let i = 0, l = shapes.length; i < l; i++) {
            const shape = shapes[i];
            serialize(meta.shapes, shape);
          }
        } else {
          serialize(meta.shapes, shapes);
        }
      }
    }
    if (this.isSkinnedMesh) {
      object.bindMode = this.bindMode;
      object.bindMatrix = this.bindMatrix.toArray();
      if (this.skeleton !== void 0) {
        serialize(meta.skeletons, this.skeleton);
        object.skeleton = this.skeleton.uuid;
      }
    }
    if (this.material !== void 0) {
      if (Array.isArray(this.material)) {
        const uuids = [];
        for (let i = 0, l = this.material.length; i < l; i++) {
          uuids.push(serialize(meta.materials, this.material[i]));
        }
        object.material = uuids;
      } else {
        object.material = serialize(meta.materials, this.material);
      }
    }
    if (this.children.length > 0) {
      object.children = [];
      for (let i = 0; i < this.children.length; i++) {
        object.children.push(this.children[i].toJSON(meta).object);
      }
    }
    if (this.animations.length > 0) {
      object.animations = [];
      for (let i = 0; i < this.animations.length; i++) {
        const animation = this.animations[i];
        object.animations.push(serialize(meta.animations, animation));
      }
    }
    if (isRootObject) {
      const geometries = extractFromCache(meta.geometries);
      const materials = extractFromCache(meta.materials);
      const textures = extractFromCache(meta.textures);
      const images = extractFromCache(meta.images);
      const shapes = extractFromCache(meta.shapes);
      const skeletons = extractFromCache(meta.skeletons);
      const animations = extractFromCache(meta.animations);
      if (geometries.length > 0)
        output.geometries = geometries;
      if (materials.length > 0)
        output.materials = materials;
      if (textures.length > 0)
        output.textures = textures;
      if (images.length > 0)
        output.images = images;
      if (shapes.length > 0)
        output.shapes = shapes;
      if (skeletons.length > 0)
        output.skeletons = skeletons;
      if (animations.length > 0)
        output.animations = animations;
    }
    output.object = object;
    return output;
    function extractFromCache(cache) {
      const values = [];
      for (const key in cache) {
        const data = cache[key];
        delete data.metadata;
        values.push(data);
      }
      return values;
    }
  }
  clone(recursive) {
    return new this.constructor().copy(this, recursive);
  }
  copy(source, recursive = true) {
    this.name = source.name;
    this.up.copy(source.up);
    this.position.copy(source.position);
    this.rotation.order = source.rotation.order;
    this.quaternion.copy(source.quaternion);
    this.scale.copy(source.scale);
    this.matrix.copy(source.matrix);
    this.matrixWorld.copy(source.matrixWorld);
    this.matrixAutoUpdate = source.matrixAutoUpdate;
    this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;
    this.layers.mask = source.layers.mask;
    this.visible = source.visible;
    this.castShadow = source.castShadow;
    this.receiveShadow = source.receiveShadow;
    this.frustumCulled = source.frustumCulled;
    this.renderOrder = source.renderOrder;
    this.userData = JSON.parse(JSON.stringify(source.userData));
    if (recursive === true) {
      for (let i = 0; i < source.children.length; i++) {
        const child = source.children[i];
        this.add(child.clone());
      }
    }
    return this;
  }
};
Object3D.DefaultUp = new Vector3(0, 1, 0);
Object3D.DefaultMatrixAutoUpdate = true;
Object3D.prototype.isObject3D = true;
var _v0$1 = /* @__PURE__ */ new Vector3();
var _v1$3 = /* @__PURE__ */ new Vector3();
var _v2$2 = /* @__PURE__ */ new Vector3();
var _v3$1 = /* @__PURE__ */ new Vector3();
var _vab = /* @__PURE__ */ new Vector3();
var _vac = /* @__PURE__ */ new Vector3();
var _vbc = /* @__PURE__ */ new Vector3();
var _vap = /* @__PURE__ */ new Vector3();
var _vbp = /* @__PURE__ */ new Vector3();
var _vcp = /* @__PURE__ */ new Vector3();
var Triangle = class {
  constructor(a2 = new Vector3(), b2 = new Vector3(), c2 = new Vector3()) {
    this.a = a2;
    this.b = b2;
    this.c = c2;
  }
  static getNormal(a2, b2, c2, target) {
    target.subVectors(c2, b2);
    _v0$1.subVectors(a2, b2);
    target.cross(_v0$1);
    const targetLengthSq = target.lengthSq();
    if (targetLengthSq > 0) {
      return target.multiplyScalar(1 / Math.sqrt(targetLengthSq));
    }
    return target.set(0, 0, 0);
  }
  static getBarycoord(point, a2, b2, c2, target) {
    _v0$1.subVectors(c2, a2);
    _v1$3.subVectors(b2, a2);
    _v2$2.subVectors(point, a2);
    const dot00 = _v0$1.dot(_v0$1);
    const dot01 = _v0$1.dot(_v1$3);
    const dot02 = _v0$1.dot(_v2$2);
    const dot11 = _v1$3.dot(_v1$3);
    const dot12 = _v1$3.dot(_v2$2);
    const denom = dot00 * dot11 - dot01 * dot01;
    if (denom === 0) {
      return target.set(-2, -1, -1);
    }
    const invDenom = 1 / denom;
    const u = (dot11 * dot02 - dot01 * dot12) * invDenom;
    const v = (dot00 * dot12 - dot01 * dot02) * invDenom;
    return target.set(1 - u - v, v, u);
  }
  static containsPoint(point, a2, b2, c2) {
    this.getBarycoord(point, a2, b2, c2, _v3$1);
    return _v3$1.x >= 0 && _v3$1.y >= 0 && _v3$1.x + _v3$1.y <= 1;
  }
  static getUV(point, p1, p2, p3, uv1, uv2, uv3, target) {
    this.getBarycoord(point, p1, p2, p3, _v3$1);
    target.set(0, 0);
    target.addScaledVector(uv1, _v3$1.x);
    target.addScaledVector(uv2, _v3$1.y);
    target.addScaledVector(uv3, _v3$1.z);
    return target;
  }
  static isFrontFacing(a2, b2, c2, direction) {
    _v0$1.subVectors(c2, b2);
    _v1$3.subVectors(a2, b2);
    return _v0$1.cross(_v1$3).dot(direction) < 0 ? true : false;
  }
  set(a2, b2, c2) {
    this.a.copy(a2);
    this.b.copy(b2);
    this.c.copy(c2);
    return this;
  }
  setFromPointsAndIndices(points, i0, i1, i2) {
    this.a.copy(points[i0]);
    this.b.copy(points[i1]);
    this.c.copy(points[i2]);
    return this;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(triangle) {
    this.a.copy(triangle.a);
    this.b.copy(triangle.b);
    this.c.copy(triangle.c);
    return this;
  }
  getArea() {
    _v0$1.subVectors(this.c, this.b);
    _v1$3.subVectors(this.a, this.b);
    return _v0$1.cross(_v1$3).length() * 0.5;
  }
  getMidpoint(target) {
    return target.addVectors(this.a, this.b).add(this.c).multiplyScalar(1 / 3);
  }
  getNormal(target) {
    return Triangle.getNormal(this.a, this.b, this.c, target);
  }
  getPlane(target) {
    return target.setFromCoplanarPoints(this.a, this.b, this.c);
  }
  getBarycoord(point, target) {
    return Triangle.getBarycoord(point, this.a, this.b, this.c, target);
  }
  getUV(point, uv1, uv2, uv3, target) {
    return Triangle.getUV(point, this.a, this.b, this.c, uv1, uv2, uv3, target);
  }
  containsPoint(point) {
    return Triangle.containsPoint(point, this.a, this.b, this.c);
  }
  isFrontFacing(direction) {
    return Triangle.isFrontFacing(this.a, this.b, this.c, direction);
  }
  intersectsBox(box) {
    return box.intersectsTriangle(this);
  }
  closestPointToPoint(p2, target) {
    const a2 = this.a, b2 = this.b, c2 = this.c;
    let v, w2;
    _vab.subVectors(b2, a2);
    _vac.subVectors(c2, a2);
    _vap.subVectors(p2, a2);
    const d1 = _vab.dot(_vap);
    const d2 = _vac.dot(_vap);
    if (d1 <= 0 && d2 <= 0) {
      return target.copy(a2);
    }
    _vbp.subVectors(p2, b2);
    const d3 = _vab.dot(_vbp);
    const d4 = _vac.dot(_vbp);
    if (d3 >= 0 && d4 <= d3) {
      return target.copy(b2);
    }
    const vc2 = d1 * d4 - d3 * d2;
    if (vc2 <= 0 && d1 >= 0 && d3 <= 0) {
      v = d1 / (d1 - d3);
      return target.copy(a2).addScaledVector(_vab, v);
    }
    _vcp.subVectors(p2, c2);
    const d5 = _vab.dot(_vcp);
    const d6 = _vac.dot(_vcp);
    if (d6 >= 0 && d5 <= d6) {
      return target.copy(c2);
    }
    const vb2 = d5 * d2 - d1 * d6;
    if (vb2 <= 0 && d2 >= 0 && d6 <= 0) {
      w2 = d2 / (d2 - d6);
      return target.copy(a2).addScaledVector(_vac, w2);
    }
    const va2 = d3 * d6 - d5 * d4;
    if (va2 <= 0 && d4 - d3 >= 0 && d5 - d6 >= 0) {
      _vbc.subVectors(c2, b2);
      w2 = (d4 - d3) / (d4 - d3 + (d5 - d6));
      return target.copy(b2).addScaledVector(_vbc, w2);
    }
    const denom = 1 / (va2 + vb2 + vc2);
    v = vb2 * denom;
    w2 = vc2 * denom;
    return target.copy(a2).addScaledVector(_vab, v).addScaledVector(_vac, w2);
  }
  equals(triangle) {
    return triangle.a.equals(this.a) && triangle.b.equals(this.b) && triangle.c.equals(this.c);
  }
};
var materialId = 0;
var Material = class extends EventDispatcher {
  constructor() {
    super();
    Object.defineProperty(this, "id", { value: materialId++ });
    this.uuid = generateUUID();
    this.name = "";
    this.type = "Material";
    this.fog = true;
    this.blending = NormalBlending;
    this.side = FrontSide;
    this.vertexColors = false;
    this.opacity = 1;
    this.format = RGBAFormat;
    this.transparent = false;
    this.blendSrc = SrcAlphaFactor;
    this.blendDst = OneMinusSrcAlphaFactor;
    this.blendEquation = AddEquation;
    this.blendSrcAlpha = null;
    this.blendDstAlpha = null;
    this.blendEquationAlpha = null;
    this.depthFunc = LessEqualDepth;
    this.depthTest = true;
    this.depthWrite = true;
    this.stencilWriteMask = 255;
    this.stencilFunc = AlwaysStencilFunc;
    this.stencilRef = 0;
    this.stencilFuncMask = 255;
    this.stencilFail = KeepStencilOp;
    this.stencilZFail = KeepStencilOp;
    this.stencilZPass = KeepStencilOp;
    this.stencilWrite = false;
    this.clippingPlanes = null;
    this.clipIntersection = false;
    this.clipShadows = false;
    this.shadowSide = null;
    this.colorWrite = true;
    this.precision = null;
    this.polygonOffset = false;
    this.polygonOffsetFactor = 0;
    this.polygonOffsetUnits = 0;
    this.dithering = false;
    this.alphaToCoverage = false;
    this.premultipliedAlpha = false;
    this.visible = true;
    this.toneMapped = true;
    this.userData = {};
    this.version = 0;
    this._alphaTest = 0;
  }
  get alphaTest() {
    return this._alphaTest;
  }
  set alphaTest(value) {
    if (this._alphaTest > 0 !== value > 0) {
      this.version++;
    }
    this._alphaTest = value;
  }
  onBuild() {
  }
  onBeforeCompile() {
  }
  customProgramCacheKey() {
    return this.onBeforeCompile.toString();
  }
  setValues(values) {
    if (values === void 0)
      return;
    for (const key in values) {
      const newValue = values[key];
      if (newValue === void 0) {
        console.warn("THREE.Material: '" + key + "' parameter is undefined.");
        continue;
      }
      if (key === "shading") {
        console.warn("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead.");
        this.flatShading = newValue === FlatShading ? true : false;
        continue;
      }
      const currentValue = this[key];
      if (currentValue === void 0) {
        console.warn("THREE." + this.type + ": '" + key + "' is not a property of this material.");
        continue;
      }
      if (currentValue && currentValue.isColor) {
        currentValue.set(newValue);
      } else if (currentValue && currentValue.isVector3 && (newValue && newValue.isVector3)) {
        currentValue.copy(newValue);
      } else {
        this[key] = newValue;
      }
    }
  }
  toJSON(meta) {
    const isRoot = meta === void 0 || typeof meta === "string";
    if (isRoot) {
      meta = {
        textures: {},
        images: {}
      };
    }
    const data = {
      metadata: {
        version: 4.5,
        type: "Material",
        generator: "Material.toJSON"
      }
    };
    data.uuid = this.uuid;
    data.type = this.type;
    if (this.name !== "")
      data.name = this.name;
    if (this.color && this.color.isColor)
      data.color = this.color.getHex();
    if (this.roughness !== void 0)
      data.roughness = this.roughness;
    if (this.metalness !== void 0)
      data.metalness = this.metalness;
    if (this.sheenTint && this.sheenTint.isColor)
      data.sheenTint = this.sheenTint.getHex();
    if (this.emissive && this.emissive.isColor)
      data.emissive = this.emissive.getHex();
    if (this.emissiveIntensity && this.emissiveIntensity !== 1)
      data.emissiveIntensity = this.emissiveIntensity;
    if (this.specular && this.specular.isColor)
      data.specular = this.specular.getHex();
    if (this.specularIntensity !== void 0)
      data.specularIntensity = this.specularIntensity;
    if (this.specularTint && this.specularTint.isColor)
      data.specularTint = this.specularTint.getHex();
    if (this.shininess !== void 0)
      data.shininess = this.shininess;
    if (this.clearcoat !== void 0)
      data.clearcoat = this.clearcoat;
    if (this.clearcoatRoughness !== void 0)
      data.clearcoatRoughness = this.clearcoatRoughness;
    if (this.clearcoatMap && this.clearcoatMap.isTexture) {
      data.clearcoatMap = this.clearcoatMap.toJSON(meta).uuid;
    }
    if (this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture) {
      data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON(meta).uuid;
    }
    if (this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture) {
      data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON(meta).uuid;
      data.clearcoatNormalScale = this.clearcoatNormalScale.toArray();
    }
    if (this.map && this.map.isTexture)
      data.map = this.map.toJSON(meta).uuid;
    if (this.matcap && this.matcap.isTexture)
      data.matcap = this.matcap.toJSON(meta).uuid;
    if (this.alphaMap && this.alphaMap.isTexture)
      data.alphaMap = this.alphaMap.toJSON(meta).uuid;
    if (this.lightMap && this.lightMap.isTexture) {
      data.lightMap = this.lightMap.toJSON(meta).uuid;
      data.lightMapIntensity = this.lightMapIntensity;
    }
    if (this.aoMap && this.aoMap.isTexture) {
      data.aoMap = this.aoMap.toJSON(meta).uuid;
      data.aoMapIntensity = this.aoMapIntensity;
    }
    if (this.bumpMap && this.bumpMap.isTexture) {
      data.bumpMap = this.bumpMap.toJSON(meta).uuid;
      data.bumpScale = this.bumpScale;
    }
    if (this.normalMap && this.normalMap.isTexture) {
      data.normalMap = this.normalMap.toJSON(meta).uuid;
      data.normalMapType = this.normalMapType;
      data.normalScale = this.normalScale.toArray();
    }
    if (this.displacementMap && this.displacementMap.isTexture) {
      data.displacementMap = this.displacementMap.toJSON(meta).uuid;
      data.displacementScale = this.displacementScale;
      data.displacementBias = this.displacementBias;
    }
    if (this.roughnessMap && this.roughnessMap.isTexture)
      data.roughnessMap = this.roughnessMap.toJSON(meta).uuid;
    if (this.metalnessMap && this.metalnessMap.isTexture)
      data.metalnessMap = this.metalnessMap.toJSON(meta).uuid;
    if (this.emissiveMap && this.emissiveMap.isTexture)
      data.emissiveMap = this.emissiveMap.toJSON(meta).uuid;
    if (this.specularMap && this.specularMap.isTexture)
      data.specularMap = this.specularMap.toJSON(meta).uuid;
    if (this.specularIntensityMap && this.specularIntensityMap.isTexture)
      data.specularIntensityMap = this.specularIntensityMap.toJSON(meta).uuid;
    if (this.specularTintMap && this.specularTintMap.isTexture)
      data.specularTintMap = this.specularTintMap.toJSON(meta).uuid;
    if (this.envMap && this.envMap.isTexture) {
      data.envMap = this.envMap.toJSON(meta).uuid;
      if (this.combine !== void 0)
        data.combine = this.combine;
    }
    if (this.envMapIntensity !== void 0)
      data.envMapIntensity = this.envMapIntensity;
    if (this.reflectivity !== void 0)
      data.reflectivity = this.reflectivity;
    if (this.refractionRatio !== void 0)
      data.refractionRatio = this.refractionRatio;
    if (this.gradientMap && this.gradientMap.isTexture) {
      data.gradientMap = this.gradientMap.toJSON(meta).uuid;
    }
    if (this.transmission !== void 0)
      data.transmission = this.transmission;
    if (this.transmissionMap && this.transmissionMap.isTexture)
      data.transmissionMap = this.transmissionMap.toJSON(meta).uuid;
    if (this.thickness !== void 0)
      data.thickness = this.thickness;
    if (this.thicknessMap && this.thicknessMap.isTexture)
      data.thicknessMap = this.thicknessMap.toJSON(meta).uuid;
    if (this.attenuationDistance !== void 0)
      data.attenuationDistance = this.attenuationDistance;
    if (this.attenuationTint !== void 0)
      data.attenuationTint = this.attenuationTint.getHex();
    if (this.size !== void 0)
      data.size = this.size;
    if (this.shadowSide !== null)
      data.shadowSide = this.shadowSide;
    if (this.sizeAttenuation !== void 0)
      data.sizeAttenuation = this.sizeAttenuation;
    if (this.blending !== NormalBlending)
      data.blending = this.blending;
    if (this.side !== FrontSide)
      data.side = this.side;
    if (this.vertexColors)
      data.vertexColors = true;
    if (this.opacity < 1)
      data.opacity = this.opacity;
    if (this.format !== RGBAFormat)
      data.format = this.format;
    if (this.transparent === true)
      data.transparent = this.transparent;
    data.depthFunc = this.depthFunc;
    data.depthTest = this.depthTest;
    data.depthWrite = this.depthWrite;
    data.colorWrite = this.colorWrite;
    data.stencilWrite = this.stencilWrite;
    data.stencilWriteMask = this.stencilWriteMask;
    data.stencilFunc = this.stencilFunc;
    data.stencilRef = this.stencilRef;
    data.stencilFuncMask = this.stencilFuncMask;
    data.stencilFail = this.stencilFail;
    data.stencilZFail = this.stencilZFail;
    data.stencilZPass = this.stencilZPass;
    if (this.rotation && this.rotation !== 0)
      data.rotation = this.rotation;
    if (this.polygonOffset === true)
      data.polygonOffset = true;
    if (this.polygonOffsetFactor !== 0)
      data.polygonOffsetFactor = this.polygonOffsetFactor;
    if (this.polygonOffsetUnits !== 0)
      data.polygonOffsetUnits = this.polygonOffsetUnits;
    if (this.linewidth && this.linewidth !== 1)
      data.linewidth = this.linewidth;
    if (this.dashSize !== void 0)
      data.dashSize = this.dashSize;
    if (this.gapSize !== void 0)
      data.gapSize = this.gapSize;
    if (this.scale !== void 0)
      data.scale = this.scale;
    if (this.dithering === true)
      data.dithering = true;
    if (this.alphaTest > 0)
      data.alphaTest = this.alphaTest;
    if (this.alphaToCoverage === true)
      data.alphaToCoverage = this.alphaToCoverage;
    if (this.premultipliedAlpha === true)
      data.premultipliedAlpha = this.premultipliedAlpha;
    if (this.wireframe === true)
      data.wireframe = this.wireframe;
    if (this.wireframeLinewidth > 1)
      data.wireframeLinewidth = this.wireframeLinewidth;
    if (this.wireframeLinecap !== "round")
      data.wireframeLinecap = this.wireframeLinecap;
    if (this.wireframeLinejoin !== "round")
      data.wireframeLinejoin = this.wireframeLinejoin;
    if (this.flatShading === true)
      data.flatShading = this.flatShading;
    if (this.visible === false)
      data.visible = false;
    if (this.toneMapped === false)
      data.toneMapped = false;
    if (JSON.stringify(this.userData) !== "{}")
      data.userData = this.userData;
    function extractFromCache(cache) {
      const values = [];
      for (const key in cache) {
        const data2 = cache[key];
        delete data2.metadata;
        values.push(data2);
      }
      return values;
    }
    if (isRoot) {
      const textures = extractFromCache(meta.textures);
      const images = extractFromCache(meta.images);
      if (textures.length > 0)
        data.textures = textures;
      if (images.length > 0)
        data.images = images;
    }
    return data;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(source) {
    this.name = source.name;
    this.fog = source.fog;
    this.blending = source.blending;
    this.side = source.side;
    this.vertexColors = source.vertexColors;
    this.opacity = source.opacity;
    this.format = source.format;
    this.transparent = source.transparent;
    this.blendSrc = source.blendSrc;
    this.blendDst = source.blendDst;
    this.blendEquation = source.blendEquation;
    this.blendSrcAlpha = source.blendSrcAlpha;
    this.blendDstAlpha = source.blendDstAlpha;
    this.blendEquationAlpha = source.blendEquationAlpha;
    this.depthFunc = source.depthFunc;
    this.depthTest = source.depthTest;
    this.depthWrite = source.depthWrite;
    this.stencilWriteMask = source.stencilWriteMask;
    this.stencilFunc = source.stencilFunc;
    this.stencilRef = source.stencilRef;
    this.stencilFuncMask = source.stencilFuncMask;
    this.stencilFail = source.stencilFail;
    this.stencilZFail = source.stencilZFail;
    this.stencilZPass = source.stencilZPass;
    this.stencilWrite = source.stencilWrite;
    const srcPlanes = source.clippingPlanes;
    let dstPlanes = null;
    if (srcPlanes !== null) {
      const n = srcPlanes.length;
      dstPlanes = new Array(n);
      for (let i = 0; i !== n; ++i) {
        dstPlanes[i] = srcPlanes[i].clone();
      }
    }
    this.clippingPlanes = dstPlanes;
    this.clipIntersection = source.clipIntersection;
    this.clipShadows = source.clipShadows;
    this.shadowSide = source.shadowSide;
    this.colorWrite = source.colorWrite;
    this.precision = source.precision;
    this.polygonOffset = source.polygonOffset;
    this.polygonOffsetFactor = source.polygonOffsetFactor;
    this.polygonOffsetUnits = source.polygonOffsetUnits;
    this.dithering = source.dithering;
    this.alphaTest = source.alphaTest;
    this.alphaToCoverage = source.alphaToCoverage;
    this.premultipliedAlpha = source.premultipliedAlpha;
    this.visible = source.visible;
    this.toneMapped = source.toneMapped;
    this.userData = JSON.parse(JSON.stringify(source.userData));
    return this;
  }
  dispose() {
    this.dispatchEvent({ type: "dispose" });
  }
  set needsUpdate(value) {
    if (value === true)
      this.version++;
  }
};
Material.prototype.isMaterial = true;
var _colorKeywords = {
  "aliceblue": 15792383,
  "antiquewhite": 16444375,
  "aqua": 65535,
  "aquamarine": 8388564,
  "azure": 15794175,
  "beige": 16119260,
  "bisque": 16770244,
  "black": 0,
  "blanchedalmond": 16772045,
  "blue": 255,
  "blueviolet": 9055202,
  "brown": 10824234,
  "burlywood": 14596231,
  "cadetblue": 6266528,
  "chartreuse": 8388352,
  "chocolate": 13789470,
  "coral": 16744272,
  "cornflowerblue": 6591981,
  "cornsilk": 16775388,
  "crimson": 14423100,
  "cyan": 65535,
  "darkblue": 139,
  "darkcyan": 35723,
  "darkgoldenrod": 12092939,
  "darkgray": 11119017,
  "darkgreen": 25600,
  "darkgrey": 11119017,
  "darkkhaki": 12433259,
  "darkmagenta": 9109643,
  "darkolivegreen": 5597999,
  "darkorange": 16747520,
  "darkorchid": 10040012,
  "darkred": 9109504,
  "darksalmon": 15308410,
  "darkseagreen": 9419919,
  "darkslateblue": 4734347,
  "darkslategray": 3100495,
  "darkslategrey": 3100495,
  "darkturquoise": 52945,
  "darkviolet": 9699539,
  "deeppink": 16716947,
  "deepskyblue": 49151,
  "dimgray": 6908265,
  "dimgrey": 6908265,
  "dodgerblue": 2003199,
  "firebrick": 11674146,
  "floralwhite": 16775920,
  "forestgreen": 2263842,
  "fuchsia": 16711935,
  "gainsboro": 14474460,
  "ghostwhite": 16316671,
  "gold": 16766720,
  "goldenrod": 14329120,
  "gray": 8421504,
  "green": 32768,
  "greenyellow": 11403055,
  "grey": 8421504,
  "honeydew": 15794160,
  "hotpink": 16738740,
  "indianred": 13458524,
  "indigo": 4915330,
  "ivory": 16777200,
  "khaki": 15787660,
  "lavender": 15132410,
  "lavenderblush": 16773365,
  "lawngreen": 8190976,
  "lemonchiffon": 16775885,
  "lightblue": 11393254,
  "lightcoral": 15761536,
  "lightcyan": 14745599,
  "lightgoldenrodyellow": 16448210,
  "lightgray": 13882323,
  "lightgreen": 9498256,
  "lightgrey": 13882323,
  "lightpink": 16758465,
  "lightsalmon": 16752762,
  "lightseagreen": 2142890,
  "lightskyblue": 8900346,
  "lightslategray": 7833753,
  "lightslategrey": 7833753,
  "lightsteelblue": 11584734,
  "lightyellow": 16777184,
  "lime": 65280,
  "limegreen": 3329330,
  "linen": 16445670,
  "magenta": 16711935,
  "maroon": 8388608,
  "mediumaquamarine": 6737322,
  "mediumblue": 205,
  "mediumorchid": 12211667,
  "mediumpurple": 9662683,
  "mediumseagreen": 3978097,
  "mediumslateblue": 8087790,
  "mediumspringgreen": 64154,
  "mediumturquoise": 4772300,
  "mediumvioletred": 13047173,
  "midnightblue": 1644912,
  "mintcream": 16121850,
  "mistyrose": 16770273,
  "moccasin": 16770229,
  "navajowhite": 16768685,
  "navy": 128,
  "oldlace": 16643558,
  "olive": 8421376,
  "olivedrab": 7048739,
  "orange": 16753920,
  "orangered": 16729344,
  "orchid": 14315734,
  "palegoldenrod": 15657130,
  "palegreen": 10025880,
  "paleturquoise": 11529966,
  "palevioletred": 14381203,
  "papayawhip": 16773077,
  "peachpuff": 16767673,
  "peru": 13468991,
  "pink": 16761035,
  "plum": 14524637,
  "powderblue": 11591910,
  "purple": 8388736,
  "rebeccapurple": 6697881,
  "red": 16711680,
  "rosybrown": 12357519,
  "royalblue": 4286945,
  "saddlebrown": 9127187,
  "salmon": 16416882,
  "sandybrown": 16032864,
  "seagreen": 3050327,
  "seashell": 16774638,
  "sienna": 10506797,
  "silver": 12632256,
  "skyblue": 8900331,
  "slateblue": 6970061,
  "slategray": 7372944,
  "slategrey": 7372944,
  "snow": 16775930,
  "springgreen": 65407,
  "steelblue": 4620980,
  "tan": 13808780,
  "teal": 32896,
  "thistle": 14204888,
  "tomato": 16737095,
  "turquoise": 4251856,
  "violet": 15631086,
  "wheat": 16113331,
  "white": 16777215,
  "whitesmoke": 16119285,
  "yellow": 16776960,
  "yellowgreen": 10145074
};
var _hslA = { h: 0, s: 0, l: 0 };
var _hslB = { h: 0, s: 0, l: 0 };
function hue2rgb(p2, q, t) {
  if (t < 0)
    t += 1;
  if (t > 1)
    t -= 1;
  if (t < 1 / 6)
    return p2 + (q - p2) * 6 * t;
  if (t < 1 / 2)
    return q;
  if (t < 2 / 3)
    return p2 + (q - p2) * 6 * (2 / 3 - t);
  return p2;
}
function SRGBToLinear(c2) {
  return c2 < 0.04045 ? c2 * 0.0773993808 : Math.pow(c2 * 0.9478672986 + 0.0521327014, 2.4);
}
function LinearToSRGB(c2) {
  return c2 < 31308e-7 ? c2 * 12.92 : 1.055 * Math.pow(c2, 0.41666) - 0.055;
}
var Color = class {
  constructor(r, g, b2) {
    if (g === void 0 && b2 === void 0) {
      return this.set(r);
    }
    return this.setRGB(r, g, b2);
  }
  set(value) {
    if (value && value.isColor) {
      this.copy(value);
    } else if (typeof value === "number") {
      this.setHex(value);
    } else if (typeof value === "string") {
      this.setStyle(value);
    }
    return this;
  }
  setScalar(scalar) {
    this.r = scalar;
    this.g = scalar;
    this.b = scalar;
    return this;
  }
  setHex(hex) {
    hex = Math.floor(hex);
    this.r = (hex >> 16 & 255) / 255;
    this.g = (hex >> 8 & 255) / 255;
    this.b = (hex & 255) / 255;
    return this;
  }
  setRGB(r, g, b2) {
    this.r = r;
    this.g = g;
    this.b = b2;
    return this;
  }
  setHSL(h, s, l) {
    h = euclideanModulo(h, 1);
    s = clamp(s, 0, 1);
    l = clamp(l, 0, 1);
    if (s === 0) {
      this.r = this.g = this.b = l;
    } else {
      const p2 = l <= 0.5 ? l * (1 + s) : l + s - l * s;
      const q = 2 * l - p2;
      this.r = hue2rgb(q, p2, h + 1 / 3);
      this.g = hue2rgb(q, p2, h);
      this.b = hue2rgb(q, p2, h - 1 / 3);
    }
    return this;
  }
  setStyle(style) {
    function handleAlpha(string) {
      if (string === void 0)
        return;
      if (parseFloat(string) < 1) {
        console.warn("THREE.Color: Alpha component of " + style + " will be ignored.");
      }
    }
    let m;
    if (m = /^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(style)) {
      let color;
      const name = m[1];
      const components = m[2];
      switch (name) {
        case "rgb":
        case "rgba":
          if (color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) {
            this.r = Math.min(255, parseInt(color[1], 10)) / 255;
            this.g = Math.min(255, parseInt(color[2], 10)) / 255;
            this.b = Math.min(255, parseInt(color[3], 10)) / 255;
            handleAlpha(color[4]);
            return this;
          }
          if (color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) {
            this.r = Math.min(100, parseInt(color[1], 10)) / 100;
            this.g = Math.min(100, parseInt(color[2], 10)) / 100;
            this.b = Math.min(100, parseInt(color[3], 10)) / 100;
            handleAlpha(color[4]);
            return this;
          }
          break;
        case "hsl":
        case "hsla":
          if (color = /^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) {
            const h = parseFloat(color[1]) / 360;
            const s = parseInt(color[2], 10) / 100;
            const l = parseInt(color[3], 10) / 100;
            handleAlpha(color[4]);
            return this.setHSL(h, s, l);
          }
          break;
      }
    } else if (m = /^\#([A-Fa-f\d]+)$/.exec(style)) {
      const hex = m[1];
      const size = hex.length;
      if (size === 3) {
        this.r = parseInt(hex.charAt(0) + hex.charAt(0), 16) / 255;
        this.g = parseInt(hex.charAt(1) + hex.charAt(1), 16) / 255;
        this.b = parseInt(hex.charAt(2) + hex.charAt(2), 16) / 255;
        return this;
      } else if (size === 6) {
        this.r = parseInt(hex.charAt(0) + hex.charAt(1), 16) / 255;
        this.g = parseInt(hex.charAt(2) + hex.charAt(3), 16) / 255;
        this.b = parseInt(hex.charAt(4) + hex.charAt(5), 16) / 255;
        return this;
      }
    }
    if (style && style.length > 0) {
      return this.setColorName(style);
    }
    return this;
  }
  setColorName(style) {
    const hex = _colorKeywords[style.toLowerCase()];
    if (hex !== void 0) {
      this.setHex(hex);
    } else {
      console.warn("THREE.Color: Unknown color " + style);
    }
    return this;
  }
  clone() {
    return new this.constructor(this.r, this.g, this.b);
  }
  copy(color) {
    this.r = color.r;
    this.g = color.g;
    this.b = color.b;
    return this;
  }
  copyGammaToLinear(color, gammaFactor = 2) {
    this.r = Math.pow(color.r, gammaFactor);
    this.g = Math.pow(color.g, gammaFactor);
    this.b = Math.pow(color.b, gammaFactor);
    return this;
  }
  copyLinearToGamma(color, gammaFactor = 2) {
    const safeInverse = gammaFactor > 0 ? 1 / gammaFactor : 1;
    this.r = Math.pow(color.r, safeInverse);
    this.g = Math.pow(color.g, safeInverse);
    this.b = Math.pow(color.b, safeInverse);
    return this;
  }
  convertGammaToLinear(gammaFactor) {
    this.copyGammaToLinear(this, gammaFactor);
    return this;
  }
  convertLinearToGamma(gammaFactor) {
    this.copyLinearToGamma(this, gammaFactor);
    return this;
  }
  copySRGBToLinear(color) {
    this.r = SRGBToLinear(color.r);
    this.g = SRGBToLinear(color.g);
    this.b = SRGBToLinear(color.b);
    return this;
  }
  copyLinearToSRGB(color) {
    this.r = LinearToSRGB(color.r);
    this.g = LinearToSRGB(color.g);
    this.b = LinearToSRGB(color.b);
    return this;
  }
  convertSRGBToLinear() {
    this.copySRGBToLinear(this);
    return this;
  }
  convertLinearToSRGB() {
    this.copyLinearToSRGB(this);
    return this;
  }
  getHex() {
    return this.r * 255 << 16 ^ this.g * 255 << 8 ^ this.b * 255 << 0;
  }
  getHexString() {
    return ("000000" + this.getHex().toString(16)).slice(-6);
  }
  getHSL(target) {
    const r = this.r, g = this.g, b2 = this.b;
    const max = Math.max(r, g, b2);
    const min = Math.min(r, g, b2);
    let hue, saturation;
    const lightness = (min + max) / 2;
    if (min === max) {
      hue = 0;
      saturation = 0;
    } else {
      const delta = max - min;
      saturation = lightness <= 0.5 ? delta / (max + min) : delta / (2 - max - min);
      switch (max) {
        case r:
          hue = (g - b2) / delta + (g < b2 ? 6 : 0);
          break;
        case g:
          hue = (b2 - r) / delta + 2;
          break;
        case b2:
          hue = (r - g) / delta + 4;
          break;
      }
      hue /= 6;
    }
    target.h = hue;
    target.s = saturation;
    target.l = lightness;
    return target;
  }
  getStyle() {
    return "rgb(" + (this.r * 255 | 0) + "," + (this.g * 255 | 0) + "," + (this.b * 255 | 0) + ")";
  }
  offsetHSL(h, s, l) {
    this.getHSL(_hslA);
    _hslA.h += h;
    _hslA.s += s;
    _hslA.l += l;
    this.setHSL(_hslA.h, _hslA.s, _hslA.l);
    return this;
  }
  add(color) {
    this.r += color.r;
    this.g += color.g;
    this.b += color.b;
    return this;
  }
  addColors(color1, color2) {
    this.r = color1.r + color2.r;
    this.g = color1.g + color2.g;
    this.b = color1.b + color2.b;
    return this;
  }
  addScalar(s) {
    this.r += s;
    this.g += s;
    this.b += s;
    return this;
  }
  sub(color) {
    this.r = Math.max(0, this.r - color.r);
    this.g = Math.max(0, this.g - color.g);
    this.b = Math.max(0, this.b - color.b);
    return this;
  }
  multiply(color) {
    this.r *= color.r;
    this.g *= color.g;
    this.b *= color.b;
    return this;
  }
  multiplyScalar(s) {
    this.r *= s;
    this.g *= s;
    this.b *= s;
    return this;
  }
  lerp(color, alpha) {
    this.r += (color.r - this.r) * alpha;
    this.g += (color.g - this.g) * alpha;
    this.b += (color.b - this.b) * alpha;
    return this;
  }
  lerpColors(color1, color2, alpha) {
    this.r = color1.r + (color2.r - color1.r) * alpha;
    this.g = color1.g + (color2.g - color1.g) * alpha;
    this.b = color1.b + (color2.b - color1.b) * alpha;
    return this;
  }
  lerpHSL(color, alpha) {
    this.getHSL(_hslA);
    color.getHSL(_hslB);
    const h = lerp(_hslA.h, _hslB.h, alpha);
    const s = lerp(_hslA.s, _hslB.s, alpha);
    const l = lerp(_hslA.l, _hslB.l, alpha);
    this.setHSL(h, s, l);
    return this;
  }
  equals(c2) {
    return c2.r === this.r && c2.g === this.g && c2.b === this.b;
  }
  fromArray(array, offset = 0) {
    this.r = array[offset];
    this.g = array[offset + 1];
    this.b = array[offset + 2];
    return this;
  }
  toArray(array = [], offset = 0) {
    array[offset] = this.r;
    array[offset + 1] = this.g;
    array[offset + 2] = this.b;
    return array;
  }
  fromBufferAttribute(attribute, index) {
    this.r = attribute.getX(index);
    this.g = attribute.getY(index);
    this.b = attribute.getZ(index);
    if (attribute.normalized === true) {
      this.r /= 255;
      this.g /= 255;
      this.b /= 255;
    }
    return this;
  }
  toJSON() {
    return this.getHex();
  }
};
Color.NAMES = _colorKeywords;
Color.prototype.isColor = true;
Color.prototype.r = 1;
Color.prototype.g = 1;
Color.prototype.b = 1;
var MeshBasicMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshBasicMaterial";
    this.color = new Color(16777215);
    this.map = null;
    this.lightMap = null;
    this.lightMapIntensity = 1;
    this.aoMap = null;
    this.aoMapIntensity = 1;
    this.specularMap = null;
    this.alphaMap = null;
    this.envMap = null;
    this.combine = MultiplyOperation;
    this.reflectivity = 1;
    this.refractionRatio = 0.98;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.wireframeLinecap = "round";
    this.wireframeLinejoin = "round";
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.map = source.map;
    this.lightMap = source.lightMap;
    this.lightMapIntensity = source.lightMapIntensity;
    this.aoMap = source.aoMap;
    this.aoMapIntensity = source.aoMapIntensity;
    this.specularMap = source.specularMap;
    this.alphaMap = source.alphaMap;
    this.envMap = source.envMap;
    this.combine = source.combine;
    this.reflectivity = source.reflectivity;
    this.refractionRatio = source.refractionRatio;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.wireframeLinecap = source.wireframeLinecap;
    this.wireframeLinejoin = source.wireframeLinejoin;
    return this;
  }
};
MeshBasicMaterial.prototype.isMeshBasicMaterial = true;
var _vector$9 = /* @__PURE__ */ new Vector3();
var _vector2$1 = /* @__PURE__ */ new Vector2();
var BufferAttribute = class {
  constructor(array, itemSize, normalized) {
    if (Array.isArray(array)) {
      throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");
    }
    this.name = "";
    this.array = array;
    this.itemSize = itemSize;
    this.count = array !== void 0 ? array.length / itemSize : 0;
    this.normalized = normalized === true;
    this.usage = StaticDrawUsage;
    this.updateRange = { offset: 0, count: -1 };
    this.version = 0;
  }
  onUploadCallback() {
  }
  set needsUpdate(value) {
    if (value === true)
      this.version++;
  }
  setUsage(value) {
    this.usage = value;
    return this;
  }
  copy(source) {
    this.name = source.name;
    this.array = new source.array.constructor(source.array);
    this.itemSize = source.itemSize;
    this.count = source.count;
    this.normalized = source.normalized;
    this.usage = source.usage;
    return this;
  }
  copyAt(index1, attribute, index2) {
    index1 *= this.itemSize;
    index2 *= attribute.itemSize;
    for (let i = 0, l = this.itemSize; i < l; i++) {
      this.array[index1 + i] = attribute.array[index2 + i];
    }
    return this;
  }
  copyArray(array) {
    this.array.set(array);
    return this;
  }
  copyColorsArray(colors) {
    const array = this.array;
    let offset = 0;
    for (let i = 0, l = colors.length; i < l; i++) {
      let color = colors[i];
      if (color === void 0) {
        console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined", i);
        color = new Color();
      }
      array[offset++] = color.r;
      array[offset++] = color.g;
      array[offset++] = color.b;
    }
    return this;
  }
  copyVector2sArray(vectors) {
    const array = this.array;
    let offset = 0;
    for (let i = 0, l = vectors.length; i < l; i++) {
      let vector = vectors[i];
      if (vector === void 0) {
        console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined", i);
        vector = new Vector2();
      }
      array[offset++] = vector.x;
      array[offset++] = vector.y;
    }
    return this;
  }
  copyVector3sArray(vectors) {
    const array = this.array;
    let offset = 0;
    for (let i = 0, l = vectors.length; i < l; i++) {
      let vector = vectors[i];
      if (vector === void 0) {
        console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined", i);
        vector = new Vector3();
      }
      array[offset++] = vector.x;
      array[offset++] = vector.y;
      array[offset++] = vector.z;
    }
    return this;
  }
  copyVector4sArray(vectors) {
    const array = this.array;
    let offset = 0;
    for (let i = 0, l = vectors.length; i < l; i++) {
      let vector = vectors[i];
      if (vector === void 0) {
        console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined", i);
        vector = new Vector4();
      }
      array[offset++] = vector.x;
      array[offset++] = vector.y;
      array[offset++] = vector.z;
      array[offset++] = vector.w;
    }
    return this;
  }
  applyMatrix3(m) {
    if (this.itemSize === 2) {
      for (let i = 0, l = this.count; i < l; i++) {
        _vector2$1.fromBufferAttribute(this, i);
        _vector2$1.applyMatrix3(m);
        this.setXY(i, _vector2$1.x, _vector2$1.y);
      }
    } else if (this.itemSize === 3) {
      for (let i = 0, l = this.count; i < l; i++) {
        _vector$9.fromBufferAttribute(this, i);
        _vector$9.applyMatrix3(m);
        this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z);
      }
    }
    return this;
  }
  applyMatrix4(m) {
    for (let i = 0, l = this.count; i < l; i++) {
      _vector$9.x = this.getX(i);
      _vector$9.y = this.getY(i);
      _vector$9.z = this.getZ(i);
      _vector$9.applyMatrix4(m);
      this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z);
    }
    return this;
  }
  applyNormalMatrix(m) {
    for (let i = 0, l = this.count; i < l; i++) {
      _vector$9.x = this.getX(i);
      _vector$9.y = this.getY(i);
      _vector$9.z = this.getZ(i);
      _vector$9.applyNormalMatrix(m);
      this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z);
    }
    return this;
  }
  transformDirection(m) {
    for (let i = 0, l = this.count; i < l; i++) {
      _vector$9.x = this.getX(i);
      _vector$9.y = this.getY(i);
      _vector$9.z = this.getZ(i);
      _vector$9.transformDirection(m);
      this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z);
    }
    return this;
  }
  set(value, offset = 0) {
    this.array.set(value, offset);
    return this;
  }
  getX(index) {
    return this.array[index * this.itemSize];
  }
  setX(index, x) {
    this.array[index * this.itemSize] = x;
    return this;
  }
  getY(index) {
    return this.array[index * this.itemSize + 1];
  }
  setY(index, y) {
    this.array[index * this.itemSize + 1] = y;
    return this;
  }
  getZ(index) {
    return this.array[index * this.itemSize + 2];
  }
  setZ(index, z) {
    this.array[index * this.itemSize + 2] = z;
    return this;
  }
  getW(index) {
    return this.array[index * this.itemSize + 3];
  }
  setW(index, w2) {
    this.array[index * this.itemSize + 3] = w2;
    return this;
  }
  setXY(index, x, y) {
    index *= this.itemSize;
    this.array[index + 0] = x;
    this.array[index + 1] = y;
    return this;
  }
  setXYZ(index, x, y, z) {
    index *= this.itemSize;
    this.array[index + 0] = x;
    this.array[index + 1] = y;
    this.array[index + 2] = z;
    return this;
  }
  setXYZW(index, x, y, z, w2) {
    index *= this.itemSize;
    this.array[index + 0] = x;
    this.array[index + 1] = y;
    this.array[index + 2] = z;
    this.array[index + 3] = w2;
    return this;
  }
  onUpload(callback) {
    this.onUploadCallback = callback;
    return this;
  }
  clone() {
    return new this.constructor(this.array, this.itemSize).copy(this);
  }
  toJSON() {
    const data = {
      itemSize: this.itemSize,
      type: this.array.constructor.name,
      array: Array.prototype.slice.call(this.array),
      normalized: this.normalized
    };
    if (this.name !== "")
      data.name = this.name;
    if (this.usage !== StaticDrawUsage)
      data.usage = this.usage;
    if (this.updateRange.offset !== 0 || this.updateRange.count !== -1)
      data.updateRange = this.updateRange;
    return data;
  }
};
BufferAttribute.prototype.isBufferAttribute = true;
var Uint16BufferAttribute = class extends BufferAttribute {
  constructor(array, itemSize, normalized) {
    super(new Uint16Array(array), itemSize, normalized);
  }
};
var Uint32BufferAttribute = class extends BufferAttribute {
  constructor(array, itemSize, normalized) {
    super(new Uint32Array(array), itemSize, normalized);
  }
};
var Float16BufferAttribute = class extends BufferAttribute {
  constructor(array, itemSize, normalized) {
    super(new Uint16Array(array), itemSize, normalized);
  }
};
Float16BufferAttribute.prototype.isFloat16BufferAttribute = true;
var Float32BufferAttribute = class extends BufferAttribute {
  constructor(array, itemSize, normalized) {
    super(new Float32Array(array), itemSize, normalized);
  }
};
function arrayMax(array) {
  if (array.length === 0)
    return -Infinity;
  let max = array[0];
  for (let i = 1, l = array.length; i < l; ++i) {
    if (array[i] > max)
      max = array[i];
  }
  return max;
}
var _id = 0;
var _m1 = /* @__PURE__ */ new Matrix4();
var _obj = /* @__PURE__ */ new Object3D();
var _offset = /* @__PURE__ */ new Vector3();
var _box$1 = /* @__PURE__ */ new Box3();
var _boxMorphTargets = /* @__PURE__ */ new Box3();
var _vector$8 = /* @__PURE__ */ new Vector3();
var BufferGeometry = class extends EventDispatcher {
  constructor() {
    super();
    Object.defineProperty(this, "id", { value: _id++ });
    this.uuid = generateUUID();
    this.name = "";
    this.type = "BufferGeometry";
    this.index = null;
    this.attributes = {};
    this.morphAttributes = {};
    this.morphTargetsRelative = false;
    this.groups = [];
    this.boundingBox = null;
    this.boundingSphere = null;
    this.drawRange = { start: 0, count: Infinity };
    this.userData = {};
  }
  getIndex() {
    return this.index;
  }
  setIndex(index) {
    if (Array.isArray(index)) {
      this.index = new (arrayMax(index) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute)(index, 1);
    } else {
      this.index = index;
    }
    return this;
  }
  getAttribute(name) {
    return this.attributes[name];
  }
  setAttribute(name, attribute) {
    this.attributes[name] = attribute;
    return this;
  }
  deleteAttribute(name) {
    delete this.attributes[name];
    return this;
  }
  hasAttribute(name) {
    return this.attributes[name] !== void 0;
  }
  addGroup(start, count, materialIndex = 0) {
    this.groups.push({
      start,
      count,
      materialIndex
    });
  }
  clearGroups() {
    this.groups = [];
  }
  setDrawRange(start, count) {
    this.drawRange.start = start;
    this.drawRange.count = count;
  }
  applyMatrix4(matrix) {
    const position = this.attributes.position;
    if (position !== void 0) {
      position.applyMatrix4(matrix);
      position.needsUpdate = true;
    }
    const normal = this.attributes.normal;
    if (normal !== void 0) {
      const normalMatrix = new Matrix3().getNormalMatrix(matrix);
      normal.applyNormalMatrix(normalMatrix);
      normal.needsUpdate = true;
    }
    const tangent = this.attributes.tangent;
    if (tangent !== void 0) {
      tangent.transformDirection(matrix);
      tangent.needsUpdate = true;
    }
    if (this.boundingBox !== null) {
      this.computeBoundingBox();
    }
    if (this.boundingSphere !== null) {
      this.computeBoundingSphere();
    }
    return this;
  }
  applyQuaternion(q) {
    _m1.makeRotationFromQuaternion(q);
    this.applyMatrix4(_m1);
    return this;
  }
  rotateX(angle) {
    _m1.makeRotationX(angle);
    this.applyMatrix4(_m1);
    return this;
  }
  rotateY(angle) {
    _m1.makeRotationY(angle);
    this.applyMatrix4(_m1);
    return this;
  }
  rotateZ(angle) {
    _m1.makeRotationZ(angle);
    this.applyMatrix4(_m1);
    return this;
  }
  translate(x, y, z) {
    _m1.makeTranslation(x, y, z);
    this.applyMatrix4(_m1);
    return this;
  }
  scale(x, y, z) {
    _m1.makeScale(x, y, z);
    this.applyMatrix4(_m1);
    return this;
  }
  lookAt(vector) {
    _obj.lookAt(vector);
    _obj.updateMatrix();
    this.applyMatrix4(_obj.matrix);
    return this;
  }
  center() {
    this.computeBoundingBox();
    this.boundingBox.getCenter(_offset).negate();
    this.translate(_offset.x, _offset.y, _offset.z);
    return this;
  }
  setFromPoints(points) {
    const position = [];
    for (let i = 0, l = points.length; i < l; i++) {
      const point = points[i];
      position.push(point.x, point.y, point.z || 0);
    }
    this.setAttribute("position", new Float32BufferAttribute(position, 3));
    return this;
  }
  computeBoundingBox() {
    if (this.boundingBox === null) {
      this.boundingBox = new Box3();
    }
    const position = this.attributes.position;
    const morphAttributesPosition = this.morphAttributes.position;
    if (position && position.isGLBufferAttribute) {
      console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".', this);
      this.boundingBox.set(new Vector3(-Infinity, -Infinity, -Infinity), new Vector3(Infinity, Infinity, Infinity));
      return;
    }
    if (position !== void 0) {
      this.boundingBox.setFromBufferAttribute(position);
      if (morphAttributesPosition) {
        for (let i = 0, il = morphAttributesPosition.length; i < il; i++) {
          const morphAttribute = morphAttributesPosition[i];
          _box$1.setFromBufferAttribute(morphAttribute);
          if (this.morphTargetsRelative) {
            _vector$8.addVectors(this.boundingBox.min, _box$1.min);
            this.boundingBox.expandByPoint(_vector$8);
            _vector$8.addVectors(this.boundingBox.max, _box$1.max);
            this.boundingBox.expandByPoint(_vector$8);
          } else {
            this.boundingBox.expandByPoint(_box$1.min);
            this.boundingBox.expandByPoint(_box$1.max);
          }
        }
      }
    } else {
      this.boundingBox.makeEmpty();
    }
    if (isNaN(this.boundingBox.min.x) || isNaN(this.boundingBox.min.y) || isNaN(this.boundingBox.min.z)) {
      console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this);
    }
  }
  computeBoundingSphere() {
    if (this.boundingSphere === null) {
      this.boundingSphere = new Sphere();
    }
    const position = this.attributes.position;
    const morphAttributesPosition = this.morphAttributes.position;
    if (position && position.isGLBufferAttribute) {
      console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".', this);
      this.boundingSphere.set(new Vector3(), Infinity);
      return;
    }
    if (position) {
      const center = this.boundingSphere.center;
      _box$1.setFromBufferAttribute(position);
      if (morphAttributesPosition) {
        for (let i = 0, il = morphAttributesPosition.length; i < il; i++) {
          const morphAttribute = morphAttributesPosition[i];
          _boxMorphTargets.setFromBufferAttribute(morphAttribute);
          if (this.morphTargetsRelative) {
            _vector$8.addVectors(_box$1.min, _boxMorphTargets.min);
            _box$1.expandByPoint(_vector$8);
            _vector$8.addVectors(_box$1.max, _boxMorphTargets.max);
            _box$1.expandByPoint(_vector$8);
          } else {
            _box$1.expandByPoint(_boxMorphTargets.min);
            _box$1.expandByPoint(_boxMorphTargets.max);
          }
        }
      }
      _box$1.getCenter(center);
      let maxRadiusSq = 0;
      for (let i = 0, il = position.count; i < il; i++) {
        _vector$8.fromBufferAttribute(position, i);
        maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8));
      }
      if (morphAttributesPosition) {
        for (let i = 0, il = morphAttributesPosition.length; i < il; i++) {
          const morphAttribute = morphAttributesPosition[i];
          const morphTargetsRelative = this.morphTargetsRelative;
          for (let j = 0, jl = morphAttribute.count; j < jl; j++) {
            _vector$8.fromBufferAttribute(morphAttribute, j);
            if (morphTargetsRelative) {
              _offset.fromBufferAttribute(position, j);
              _vector$8.add(_offset);
            }
            maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8));
          }
        }
      }
      this.boundingSphere.radius = Math.sqrt(maxRadiusSq);
      if (isNaN(this.boundingSphere.radius)) {
        console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this);
      }
    }
  }
  computeTangents() {
    const index = this.index;
    const attributes = this.attributes;
    if (index === null || attributes.position === void 0 || attributes.normal === void 0 || attributes.uv === void 0) {
      console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");
      return;
    }
    const indices = index.array;
    const positions = attributes.position.array;
    const normals = attributes.normal.array;
    const uvs = attributes.uv.array;
    const nVertices = positions.length / 3;
    if (attributes.tangent === void 0) {
      this.setAttribute("tangent", new BufferAttribute(new Float32Array(4 * nVertices), 4));
    }
    const tangents = attributes.tangent.array;
    const tan1 = [], tan2 = [];
    for (let i = 0; i < nVertices; i++) {
      tan1[i] = new Vector3();
      tan2[i] = new Vector3();
    }
    const vA = new Vector3(), vB = new Vector3(), vC = new Vector3(), uvA = new Vector2(), uvB = new Vector2(), uvC = new Vector2(), sdir = new Vector3(), tdir = new Vector3();
    function handleTriangle(a2, b2, c2) {
      vA.fromArray(positions, a2 * 3);
      vB.fromArray(positions, b2 * 3);
      vC.fromArray(positions, c2 * 3);
      uvA.fromArray(uvs, a2 * 2);
      uvB.fromArray(uvs, b2 * 2);
      uvC.fromArray(uvs, c2 * 2);
      vB.sub(vA);
      vC.sub(vA);
      uvB.sub(uvA);
      uvC.sub(uvA);
      const r = 1 / (uvB.x * uvC.y - uvC.x * uvB.y);
      if (!isFinite(r))
        return;
      sdir.copy(vB).multiplyScalar(uvC.y).addScaledVector(vC, -uvB.y).multiplyScalar(r);
      tdir.copy(vC).multiplyScalar(uvB.x).addScaledVector(vB, -uvC.x).multiplyScalar(r);
      tan1[a2].add(sdir);
      tan1[b2].add(sdir);
      tan1[c2].add(sdir);
      tan2[a2].add(tdir);
      tan2[b2].add(tdir);
      tan2[c2].add(tdir);
    }
    let groups = this.groups;
    if (groups.length === 0) {
      groups = [{
        start: 0,
        count: indices.length
      }];
    }
    for (let i = 0, il = groups.length; i < il; ++i) {
      const group = groups[i];
      const start = group.start;
      const count = group.count;
      for (let j = start, jl = start + count; j < jl; j += 3) {
        handleTriangle(indices[j + 0], indices[j + 1], indices[j + 2]);
      }
    }
    const tmp3 = new Vector3(), tmp22 = new Vector3();
    const n = new Vector3(), n2 = new Vector3();
    function handleVertex(v) {
      n.fromArray(normals, v * 3);
      n2.copy(n);
      const t = tan1[v];
      tmp3.copy(t);
      tmp3.sub(n.multiplyScalar(n.dot(t))).normalize();
      tmp22.crossVectors(n2, t);
      const test = tmp22.dot(tan2[v]);
      const w2 = test < 0 ? -1 : 1;
      tangents[v * 4] = tmp3.x;
      tangents[v * 4 + 1] = tmp3.y;
      tangents[v * 4 + 2] = tmp3.z;
      tangents[v * 4 + 3] = w2;
    }
    for (let i = 0, il = groups.length; i < il; ++i) {
      const group = groups[i];
      const start = group.start;
      const count = group.count;
      for (let j = start, jl = start + count; j < jl; j += 3) {
        handleVertex(indices[j + 0]);
        handleVertex(indices[j + 1]);
        handleVertex(indices[j + 2]);
      }
    }
  }
  computeVertexNormals() {
    const index = this.index;
    const positionAttribute = this.getAttribute("position");
    if (positionAttribute !== void 0) {
      let normalAttribute = this.getAttribute("normal");
      if (normalAttribute === void 0) {
        normalAttribute = new BufferAttribute(new Float32Array(positionAttribute.count * 3), 3);
        this.setAttribute("normal", normalAttribute);
      } else {
        for (let i = 0, il = normalAttribute.count; i < il; i++) {
          normalAttribute.setXYZ(i, 0, 0, 0);
        }
      }
      const pA = new Vector3(), pB = new Vector3(), pC = new Vector3();
      const nA = new Vector3(), nB = new Vector3(), nC = new Vector3();
      const cb2 = new Vector3(), ab2 = new Vector3();
      if (index) {
        for (let i = 0, il = index.count; i < il; i += 3) {
          const vA = index.getX(i + 0);
          const vB = index.getX(i + 1);
          const vC = index.getX(i + 2);
          pA.fromBufferAttribute(positionAttribute, vA);
          pB.fromBufferAttribute(positionAttribute, vB);
          pC.fromBufferAttribute(positionAttribute, vC);
          cb2.subVectors(pC, pB);
          ab2.subVectors(pA, pB);
          cb2.cross(ab2);
          nA.fromBufferAttribute(normalAttribute, vA);
          nB.fromBufferAttribute(normalAttribute, vB);
          nC.fromBufferAttribute(normalAttribute, vC);
          nA.add(cb2);
          nB.add(cb2);
          nC.add(cb2);
          normalAttribute.setXYZ(vA, nA.x, nA.y, nA.z);
          normalAttribute.setXYZ(vB, nB.x, nB.y, nB.z);
          normalAttribute.setXYZ(vC, nC.x, nC.y, nC.z);
        }
      } else {
        for (let i = 0, il = positionAttribute.count; i < il; i += 3) {
          pA.fromBufferAttribute(positionAttribute, i + 0);
          pB.fromBufferAttribute(positionAttribute, i + 1);
          pC.fromBufferAttribute(positionAttribute, i + 2);
          cb2.subVectors(pC, pB);
          ab2.subVectors(pA, pB);
          cb2.cross(ab2);
          normalAttribute.setXYZ(i + 0, cb2.x, cb2.y, cb2.z);
          normalAttribute.setXYZ(i + 1, cb2.x, cb2.y, cb2.z);
          normalAttribute.setXYZ(i + 2, cb2.x, cb2.y, cb2.z);
        }
      }
      this.normalizeNormals();
      normalAttribute.needsUpdate = true;
    }
  }
  merge(geometry, offset) {
    if (!(geometry && geometry.isBufferGeometry)) {
      console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.", geometry);
      return;
    }
    if (offset === void 0) {
      offset = 0;
      console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.");
    }
    const attributes = this.attributes;
    for (const key in attributes) {
      if (geometry.attributes[key] === void 0)
        continue;
      const attribute1 = attributes[key];
      const attributeArray1 = attribute1.array;
      const attribute2 = geometry.attributes[key];
      const attributeArray2 = attribute2.array;
      const attributeOffset = attribute2.itemSize * offset;
      const length = Math.min(attributeArray2.length, attributeArray1.length - attributeOffset);
      for (let i = 0, j = attributeOffset; i < length; i++, j++) {
        attributeArray1[j] = attributeArray2[i];
      }
    }
    return this;
  }
  normalizeNormals() {
    const normals = this.attributes.normal;
    for (let i = 0, il = normals.count; i < il; i++) {
      _vector$8.fromBufferAttribute(normals, i);
      _vector$8.normalize();
      normals.setXYZ(i, _vector$8.x, _vector$8.y, _vector$8.z);
    }
  }
  toNonIndexed() {
    function convertBufferAttribute(attribute, indices2) {
      const array = attribute.array;
      const itemSize = attribute.itemSize;
      const normalized = attribute.normalized;
      const array2 = new array.constructor(indices2.length * itemSize);
      let index = 0, index2 = 0;
      for (let i = 0, l = indices2.length; i < l; i++) {
        if (attribute.isInterleavedBufferAttribute) {
          index = indices2[i] * attribute.data.stride + attribute.offset;
        } else {
          index = indices2[i] * itemSize;
        }
        for (let j = 0; j < itemSize; j++) {
          array2[index2++] = array[index++];
        }
      }
      return new BufferAttribute(array2, itemSize, normalized);
    }
    if (this.index === null) {
      console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.");
      return this;
    }
    const geometry2 = new BufferGeometry();
    const indices = this.index.array;
    const attributes = this.attributes;
    for (const name in attributes) {
      const attribute = attributes[name];
      const newAttribute = convertBufferAttribute(attribute, indices);
      geometry2.setAttribute(name, newAttribute);
    }
    const morphAttributes = this.morphAttributes;
    for (const name in morphAttributes) {
      const morphArray = [];
      const morphAttribute = morphAttributes[name];
      for (let i = 0, il = morphAttribute.length; i < il; i++) {
        const attribute = morphAttribute[i];
        const newAttribute = convertBufferAttribute(attribute, indices);
        morphArray.push(newAttribute);
      }
      geometry2.morphAttributes[name] = morphArray;
    }
    geometry2.morphTargetsRelative = this.morphTargetsRelative;
    const groups = this.groups;
    for (let i = 0, l = groups.length; i < l; i++) {
      const group = groups[i];
      geometry2.addGroup(group.start, group.count, group.materialIndex);
    }
    return geometry2;
  }
  toJSON() {
    const data = {
      metadata: {
        version: 4.5,
        type: "BufferGeometry",
        generator: "BufferGeometry.toJSON"
      }
    };
    data.uuid = this.uuid;
    data.type = this.type;
    if (this.name !== "")
      data.name = this.name;
    if (Object.keys(this.userData).length > 0)
      data.userData = this.userData;
    if (this.parameters !== void 0) {
      const parameters = this.parameters;
      for (const key in parameters) {
        if (parameters[key] !== void 0)
          data[key] = parameters[key];
      }
      return data;
    }
    data.data = { attributes: {} };
    const index = this.index;
    if (index !== null) {
      data.data.index = {
        type: index.array.constructor.name,
        array: Array.prototype.slice.call(index.array)
      };
    }
    const attributes = this.attributes;
    for (const key in attributes) {
      const attribute = attributes[key];
      data.data.attributes[key] = attribute.toJSON(data.data);
    }
    const morphAttributes = {};
    let hasMorphAttributes = false;
    for (const key in this.morphAttributes) {
      const attributeArray = this.morphAttributes[key];
      const array = [];
      for (let i = 0, il = attributeArray.length; i < il; i++) {
        const attribute = attributeArray[i];
        array.push(attribute.toJSON(data.data));
      }
      if (array.length > 0) {
        morphAttributes[key] = array;
        hasMorphAttributes = true;
      }
    }
    if (hasMorphAttributes) {
      data.data.morphAttributes = morphAttributes;
      data.data.morphTargetsRelative = this.morphTargetsRelative;
    }
    const groups = this.groups;
    if (groups.length > 0) {
      data.data.groups = JSON.parse(JSON.stringify(groups));
    }
    const boundingSphere = this.boundingSphere;
    if (boundingSphere !== null) {
      data.data.boundingSphere = {
        center: boundingSphere.center.toArray(),
        radius: boundingSphere.radius
      };
    }
    return data;
  }
  clone() {
    return new BufferGeometry().copy(this);
  }
  copy(source) {
    this.index = null;
    this.attributes = {};
    this.morphAttributes = {};
    this.groups = [];
    this.boundingBox = null;
    this.boundingSphere = null;
    const data = {};
    this.name = source.name;
    const index = source.index;
    if (index !== null) {
      this.setIndex(index.clone(data));
    }
    const attributes = source.attributes;
    for (const name in attributes) {
      const attribute = attributes[name];
      this.setAttribute(name, attribute.clone(data));
    }
    const morphAttributes = source.morphAttributes;
    for (const name in morphAttributes) {
      const array = [];
      const morphAttribute = morphAttributes[name];
      for (let i = 0, l = morphAttribute.length; i < l; i++) {
        array.push(morphAttribute[i].clone(data));
      }
      this.morphAttributes[name] = array;
    }
    this.morphTargetsRelative = source.morphTargetsRelative;
    const groups = source.groups;
    for (let i = 0, l = groups.length; i < l; i++) {
      const group = groups[i];
      this.addGroup(group.start, group.count, group.materialIndex);
    }
    const boundingBox = source.boundingBox;
    if (boundingBox !== null) {
      this.boundingBox = boundingBox.clone();
    }
    const boundingSphere = source.boundingSphere;
    if (boundingSphere !== null) {
      this.boundingSphere = boundingSphere.clone();
    }
    this.drawRange.start = source.drawRange.start;
    this.drawRange.count = source.drawRange.count;
    this.userData = source.userData;
    return this;
  }
  dispose() {
    this.dispatchEvent({ type: "dispose" });
  }
};
BufferGeometry.prototype.isBufferGeometry = true;
var _inverseMatrix$2 = /* @__PURE__ */ new Matrix4();
var _ray$2 = /* @__PURE__ */ new Ray();
var _sphere$3 = /* @__PURE__ */ new Sphere();
var _vA$1 = /* @__PURE__ */ new Vector3();
var _vB$1 = /* @__PURE__ */ new Vector3();
var _vC$1 = /* @__PURE__ */ new Vector3();
var _tempA = /* @__PURE__ */ new Vector3();
var _tempB = /* @__PURE__ */ new Vector3();
var _tempC = /* @__PURE__ */ new Vector3();
var _morphA = /* @__PURE__ */ new Vector3();
var _morphB = /* @__PURE__ */ new Vector3();
var _morphC = /* @__PURE__ */ new Vector3();
var _uvA$1 = /* @__PURE__ */ new Vector2();
var _uvB$1 = /* @__PURE__ */ new Vector2();
var _uvC$1 = /* @__PURE__ */ new Vector2();
var _intersectionPoint = /* @__PURE__ */ new Vector3();
var _intersectionPointWorld = /* @__PURE__ */ new Vector3();
var Mesh = class extends Object3D {
  constructor(geometry = new BufferGeometry(), material = new MeshBasicMaterial()) {
    super();
    this.type = "Mesh";
    this.geometry = geometry;
    this.material = material;
    this.updateMorphTargets();
  }
  copy(source) {
    super.copy(source);
    if (source.morphTargetInfluences !== void 0) {
      this.morphTargetInfluences = source.morphTargetInfluences.slice();
    }
    if (source.morphTargetDictionary !== void 0) {
      this.morphTargetDictionary = Object.assign({}, source.morphTargetDictionary);
    }
    this.material = source.material;
    this.geometry = source.geometry;
    return this;
  }
  updateMorphTargets() {
    const geometry = this.geometry;
    if (geometry.isBufferGeometry) {
      const morphAttributes = geometry.morphAttributes;
      const keys = Object.keys(morphAttributes);
      if (keys.length > 0) {
        const morphAttribute = morphAttributes[keys[0]];
        if (morphAttribute !== void 0) {
          this.morphTargetInfluences = [];
          this.morphTargetDictionary = {};
          for (let m = 0, ml = morphAttribute.length; m < ml; m++) {
            const name = morphAttribute[m].name || String(m);
            this.morphTargetInfluences.push(0);
            this.morphTargetDictionary[name] = m;
          }
        }
      }
    } else {
      const morphTargets = geometry.morphTargets;
      if (morphTargets !== void 0 && morphTargets.length > 0) {
        console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
      }
    }
  }
  raycast(raycaster, intersects2) {
    const geometry = this.geometry;
    const material = this.material;
    const matrixWorld = this.matrixWorld;
    if (material === void 0)
      return;
    if (geometry.boundingSphere === null)
      geometry.computeBoundingSphere();
    _sphere$3.copy(geometry.boundingSphere);
    _sphere$3.applyMatrix4(matrixWorld);
    if (raycaster.ray.intersectsSphere(_sphere$3) === false)
      return;
    _inverseMatrix$2.copy(matrixWorld).invert();
    _ray$2.copy(raycaster.ray).applyMatrix4(_inverseMatrix$2);
    if (geometry.boundingBox !== null) {
      if (_ray$2.intersectsBox(geometry.boundingBox) === false)
        return;
    }
    let intersection;
    if (geometry.isBufferGeometry) {
      const index = geometry.index;
      const position = geometry.attributes.position;
      const morphPosition = geometry.morphAttributes.position;
      const morphTargetsRelative = geometry.morphTargetsRelative;
      const uv = geometry.attributes.uv;
      const uv2 = geometry.attributes.uv2;
      const groups = geometry.groups;
      const drawRange = geometry.drawRange;
      if (index !== null) {
        if (Array.isArray(material)) {
          for (let i = 0, il = groups.length; i < il; i++) {
            const group = groups[i];
            const groupMaterial = material[group.materialIndex];
            const start = Math.max(group.start, drawRange.start);
            const end = Math.min(group.start + group.count, drawRange.start + drawRange.count);
            for (let j = start, jl = end; j < jl; j += 3) {
              const a2 = index.getX(j);
              const b2 = index.getX(j + 1);
              const c2 = index.getX(j + 2);
              intersection = checkBufferGeometryIntersection(this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a2, b2, c2);
              if (intersection) {
                intersection.faceIndex = Math.floor(j / 3);
                intersection.face.materialIndex = group.materialIndex;
                intersects2.push(intersection);
              }
            }
          }
        } else {
          const start = Math.max(0, drawRange.start);
          const end = Math.min(index.count, drawRange.start + drawRange.count);
          for (let i = start, il = end; i < il; i += 3) {
            const a2 = index.getX(i);
            const b2 = index.getX(i + 1);
            const c2 = index.getX(i + 2);
            intersection = checkBufferGeometryIntersection(this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a2, b2, c2);
            if (intersection) {
              intersection.faceIndex = Math.floor(i / 3);
              intersects2.push(intersection);
            }
          }
        }
      } else if (position !== void 0) {
        if (Array.isArray(material)) {
          for (let i = 0, il = groups.length; i < il; i++) {
            const group = groups[i];
            const groupMaterial = material[group.materialIndex];
            const start = Math.max(group.start, drawRange.start);
            const end = Math.min(group.start + group.count, drawRange.start + drawRange.count);
            for (let j = start, jl = end; j < jl; j += 3) {
              const a2 = j;
              const b2 = j + 1;
              const c2 = j + 2;
              intersection = checkBufferGeometryIntersection(this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a2, b2, c2);
              if (intersection) {
                intersection.faceIndex = Math.floor(j / 3);
                intersection.face.materialIndex = group.materialIndex;
                intersects2.push(intersection);
              }
            }
          }
        } else {
          const start = Math.max(0, drawRange.start);
          const end = Math.min(position.count, drawRange.start + drawRange.count);
          for (let i = start, il = end; i < il; i += 3) {
            const a2 = i;
            const b2 = i + 1;
            const c2 = i + 2;
            intersection = checkBufferGeometryIntersection(this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a2, b2, c2);
            if (intersection) {
              intersection.faceIndex = Math.floor(i / 3);
              intersects2.push(intersection);
            }
          }
        }
      }
    } else if (geometry.isGeometry) {
      console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
    }
  }
};
Mesh.prototype.isMesh = true;
function checkIntersection(object, material, raycaster, ray, pA, pB, pC, point) {
  let intersect2;
  if (material.side === BackSide) {
    intersect2 = ray.intersectTriangle(pC, pB, pA, true, point);
  } else {
    intersect2 = ray.intersectTriangle(pA, pB, pC, material.side !== DoubleSide, point);
  }
  if (intersect2 === null)
    return null;
  _intersectionPointWorld.copy(point);
  _intersectionPointWorld.applyMatrix4(object.matrixWorld);
  const distance = raycaster.ray.origin.distanceTo(_intersectionPointWorld);
  if (distance < raycaster.near || distance > raycaster.far)
    return null;
  return {
    distance,
    point: _intersectionPointWorld.clone(),
    object
  };
}
function checkBufferGeometryIntersection(object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a2, b2, c2) {
  _vA$1.fromBufferAttribute(position, a2);
  _vB$1.fromBufferAttribute(position, b2);
  _vC$1.fromBufferAttribute(position, c2);
  const morphInfluences = object.morphTargetInfluences;
  if (morphPosition && morphInfluences) {
    _morphA.set(0, 0, 0);
    _morphB.set(0, 0, 0);
    _morphC.set(0, 0, 0);
    for (let i = 0, il = morphPosition.length; i < il; i++) {
      const influence = morphInfluences[i];
      const morphAttribute = morphPosition[i];
      if (influence === 0)
        continue;
      _tempA.fromBufferAttribute(morphAttribute, a2);
      _tempB.fromBufferAttribute(morphAttribute, b2);
      _tempC.fromBufferAttribute(morphAttribute, c2);
      if (morphTargetsRelative) {
        _morphA.addScaledVector(_tempA, influence);
        _morphB.addScaledVector(_tempB, influence);
        _morphC.addScaledVector(_tempC, influence);
      } else {
        _morphA.addScaledVector(_tempA.sub(_vA$1), influence);
        _morphB.addScaledVector(_tempB.sub(_vB$1), influence);
        _morphC.addScaledVector(_tempC.sub(_vC$1), influence);
      }
    }
    _vA$1.add(_morphA);
    _vB$1.add(_morphB);
    _vC$1.add(_morphC);
  }
  if (object.isSkinnedMesh) {
    object.boneTransform(a2, _vA$1);
    object.boneTransform(b2, _vB$1);
    object.boneTransform(c2, _vC$1);
  }
  const intersection = checkIntersection(object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint);
  if (intersection) {
    if (uv) {
      _uvA$1.fromBufferAttribute(uv, a2);
      _uvB$1.fromBufferAttribute(uv, b2);
      _uvC$1.fromBufferAttribute(uv, c2);
      intersection.uv = Triangle.getUV(_intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2());
    }
    if (uv2) {
      _uvA$1.fromBufferAttribute(uv2, a2);
      _uvB$1.fromBufferAttribute(uv2, b2);
      _uvC$1.fromBufferAttribute(uv2, c2);
      intersection.uv2 = Triangle.getUV(_intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2());
    }
    const face = {
      a: a2,
      b: b2,
      c: c2,
      normal: new Vector3(),
      materialIndex: 0
    };
    Triangle.getNormal(_vA$1, _vB$1, _vC$1, face.normal);
    intersection.face = face;
  }
  return intersection;
}
var BoxGeometry = class extends BufferGeometry {
  constructor(width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1) {
    super();
    this.type = "BoxGeometry";
    this.parameters = {
      width,
      height,
      depth,
      widthSegments,
      heightSegments,
      depthSegments
    };
    const scope = this;
    widthSegments = Math.floor(widthSegments);
    heightSegments = Math.floor(heightSegments);
    depthSegments = Math.floor(depthSegments);
    const indices = [];
    const vertices = [];
    const normals = [];
    const uvs = [];
    let numberOfVertices = 0;
    let groupStart = 0;
    buildPlane("z", "y", "x", -1, -1, depth, height, width, depthSegments, heightSegments, 0);
    buildPlane("z", "y", "x", 1, -1, depth, height, -width, depthSegments, heightSegments, 1);
    buildPlane("x", "z", "y", 1, 1, width, depth, height, widthSegments, depthSegments, 2);
    buildPlane("x", "z", "y", 1, -1, width, depth, -height, widthSegments, depthSegments, 3);
    buildPlane("x", "y", "z", 1, -1, width, height, depth, widthSegments, heightSegments, 4);
    buildPlane("x", "y", "z", -1, -1, width, height, -depth, widthSegments, heightSegments, 5);
    this.setIndex(indices);
    this.setAttribute("position", new Float32BufferAttribute(vertices, 3));
    this.setAttribute("normal", new Float32BufferAttribute(normals, 3));
    this.setAttribute("uv", new Float32BufferAttribute(uvs, 2));
    function buildPlane(u, v, w2, udir, vdir, width2, height2, depth2, gridX, gridY, materialIndex) {
      const segmentWidth = width2 / gridX;
      const segmentHeight = height2 / gridY;
      const widthHalf = width2 / 2;
      const heightHalf = height2 / 2;
      const depthHalf = depth2 / 2;
      const gridX1 = gridX + 1;
      const gridY1 = gridY + 1;
      let vertexCounter = 0;
      let groupCount = 0;
      const vector = new Vector3();
      for (let iy = 0; iy < gridY1; iy++) {
        const y = iy * segmentHeight - heightHalf;
        for (let ix = 0; ix < gridX1; ix++) {
          const x = ix * segmentWidth - widthHalf;
          vector[u] = x * udir;
          vector[v] = y * vdir;
          vector[w2] = depthHalf;
          vertices.push(vector.x, vector.y, vector.z);
          vector[u] = 0;
          vector[v] = 0;
          vector[w2] = depth2 > 0 ? 1 : -1;
          normals.push(vector.x, vector.y, vector.z);
          uvs.push(ix / gridX);
          uvs.push(1 - iy / gridY);
          vertexCounter += 1;
        }
      }
      for (let iy = 0; iy < gridY; iy++) {
        for (let ix = 0; ix < gridX; ix++) {
          const a2 = numberOfVertices + ix + gridX1 * iy;
          const b2 = numberOfVertices + ix + gridX1 * (iy + 1);
          const c2 = numberOfVertices + (ix + 1) + gridX1 * (iy + 1);
          const d = numberOfVertices + (ix + 1) + gridX1 * iy;
          indices.push(a2, b2, d);
          indices.push(b2, c2, d);
          groupCount += 6;
        }
      }
      scope.addGroup(groupStart, groupCount, materialIndex);
      groupStart += groupCount;
      numberOfVertices += vertexCounter;
    }
  }
  static fromJSON(data) {
    return new BoxGeometry(data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments);
  }
};
function cloneUniforms(src) {
  const dst = {};
  for (const u in src) {
    dst[u] = {};
    for (const p2 in src[u]) {
      const property = src[u][p2];
      if (property && (property.isColor || property.isMatrix3 || property.isMatrix4 || property.isVector2 || property.isVector3 || property.isVector4 || property.isTexture || property.isQuaternion)) {
        dst[u][p2] = property.clone();
      } else if (Array.isArray(property)) {
        dst[u][p2] = property.slice();
      } else {
        dst[u][p2] = property;
      }
    }
  }
  return dst;
}
function mergeUniforms(uniforms) {
  const merged = {};
  for (let u = 0; u < uniforms.length; u++) {
    const tmp3 = cloneUniforms(uniforms[u]);
    for (const p2 in tmp3) {
      merged[p2] = tmp3[p2];
    }
  }
  return merged;
}
var UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };
var default_vertex = "void main() {\n	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}";
var default_fragment = "void main() {\n	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";
var ShaderMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "ShaderMaterial";
    this.defines = {};
    this.uniforms = {};
    this.vertexShader = default_vertex;
    this.fragmentShader = default_fragment;
    this.linewidth = 1;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.fog = false;
    this.lights = false;
    this.clipping = false;
    this.extensions = {
      derivatives: false,
      fragDepth: false,
      drawBuffers: false,
      shaderTextureLOD: false
    };
    this.defaultAttributeValues = {
      "color": [1, 1, 1],
      "uv": [0, 0],
      "uv2": [0, 0]
    };
    this.index0AttributeName = void 0;
    this.uniformsNeedUpdate = false;
    this.glslVersion = null;
    if (parameters !== void 0) {
      if (parameters.attributes !== void 0) {
        console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.");
      }
      this.setValues(parameters);
    }
  }
  copy(source) {
    super.copy(source);
    this.fragmentShader = source.fragmentShader;
    this.vertexShader = source.vertexShader;
    this.uniforms = cloneUniforms(source.uniforms);
    this.defines = Object.assign({}, source.defines);
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.lights = source.lights;
    this.clipping = source.clipping;
    this.extensions = Object.assign({}, source.extensions);
    this.glslVersion = source.glslVersion;
    return this;
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.glslVersion = this.glslVersion;
    data.uniforms = {};
    for (const name in this.uniforms) {
      const uniform = this.uniforms[name];
      const value = uniform.value;
      if (value && value.isTexture) {
        data.uniforms[name] = {
          type: "t",
          value: value.toJSON(meta).uuid
        };
      } else if (value && value.isColor) {
        data.uniforms[name] = {
          type: "c",
          value: value.getHex()
        };
      } else if (value && value.isVector2) {
        data.uniforms[name] = {
          type: "v2",
          value: value.toArray()
        };
      } else if (value && value.isVector3) {
        data.uniforms[name] = {
          type: "v3",
          value: value.toArray()
        };
      } else if (value && value.isVector4) {
        data.uniforms[name] = {
          type: "v4",
          value: value.toArray()
        };
      } else if (value && value.isMatrix3) {
        data.uniforms[name] = {
          type: "m3",
          value: value.toArray()
        };
      } else if (value && value.isMatrix4) {
        data.uniforms[name] = {
          type: "m4",
          value: value.toArray()
        };
      } else {
        data.uniforms[name] = {
          value
        };
      }
    }
    if (Object.keys(this.defines).length > 0)
      data.defines = this.defines;
    data.vertexShader = this.vertexShader;
    data.fragmentShader = this.fragmentShader;
    const extensions = {};
    for (const key in this.extensions) {
      if (this.extensions[key] === true)
        extensions[key] = true;
    }
    if (Object.keys(extensions).length > 0)
      data.extensions = extensions;
    return data;
  }
};
ShaderMaterial.prototype.isShaderMaterial = true;
var Camera = class extends Object3D {
  constructor() {
    super();
    this.type = "Camera";
    this.matrixWorldInverse = new Matrix4();
    this.projectionMatrix = new Matrix4();
    this.projectionMatrixInverse = new Matrix4();
  }
  copy(source, recursive) {
    super.copy(source, recursive);
    this.matrixWorldInverse.copy(source.matrixWorldInverse);
    this.projectionMatrix.copy(source.projectionMatrix);
    this.projectionMatrixInverse.copy(source.projectionMatrixInverse);
    return this;
  }
  getWorldDirection(target) {
    this.updateWorldMatrix(true, false);
    const e = this.matrixWorld.elements;
    return target.set(-e[8], -e[9], -e[10]).normalize();
  }
  updateMatrixWorld(force) {
    super.updateMatrixWorld(force);
    this.matrixWorldInverse.copy(this.matrixWorld).invert();
  }
  updateWorldMatrix(updateParents, updateChildren) {
    super.updateWorldMatrix(updateParents, updateChildren);
    this.matrixWorldInverse.copy(this.matrixWorld).invert();
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
Camera.prototype.isCamera = true;
var PerspectiveCamera = class extends Camera {
  constructor(fov2 = 50, aspect2 = 1, near = 0.1, far = 2e3) {
    super();
    this.type = "PerspectiveCamera";
    this.fov = fov2;
    this.zoom = 1;
    this.near = near;
    this.far = far;
    this.focus = 10;
    this.aspect = aspect2;
    this.view = null;
    this.filmGauge = 35;
    this.filmOffset = 0;
    this.updateProjectionMatrix();
  }
  copy(source, recursive) {
    super.copy(source, recursive);
    this.fov = source.fov;
    this.zoom = source.zoom;
    this.near = source.near;
    this.far = source.far;
    this.focus = source.focus;
    this.aspect = source.aspect;
    this.view = source.view === null ? null : Object.assign({}, source.view);
    this.filmGauge = source.filmGauge;
    this.filmOffset = source.filmOffset;
    return this;
  }
  setFocalLength(focalLength) {
    const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;
    this.fov = RAD2DEG * 2 * Math.atan(vExtentSlope);
    this.updateProjectionMatrix();
  }
  getFocalLength() {
    const vExtentSlope = Math.tan(DEG2RAD * 0.5 * this.fov);
    return 0.5 * this.getFilmHeight() / vExtentSlope;
  }
  getEffectiveFOV() {
    return RAD2DEG * 2 * Math.atan(Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom);
  }
  getFilmWidth() {
    return this.filmGauge * Math.min(this.aspect, 1);
  }
  getFilmHeight() {
    return this.filmGauge / Math.max(this.aspect, 1);
  }
  setViewOffset(fullWidth, fullHeight, x, y, width, height) {
    this.aspect = fullWidth / fullHeight;
    if (this.view === null) {
      this.view = {
        enabled: true,
        fullWidth: 1,
        fullHeight: 1,
        offsetX: 0,
        offsetY: 0,
        width: 1,
        height: 1
      };
    }
    this.view.enabled = true;
    this.view.fullWidth = fullWidth;
    this.view.fullHeight = fullHeight;
    this.view.offsetX = x;
    this.view.offsetY = y;
    this.view.width = width;
    this.view.height = height;
    this.updateProjectionMatrix();
  }
  clearViewOffset() {
    if (this.view !== null) {
      this.view.enabled = false;
    }
    this.updateProjectionMatrix();
  }
  updateProjectionMatrix() {
    const near = this.near;
    let top = near * Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom;
    let height = 2 * top;
    let width = this.aspect * height;
    let left = -0.5 * width;
    const view = this.view;
    if (this.view !== null && this.view.enabled) {
      const fullWidth = view.fullWidth, fullHeight = view.fullHeight;
      left += view.offsetX * width / fullWidth;
      top -= view.offsetY * height / fullHeight;
      width *= view.width / fullWidth;
      height *= view.height / fullHeight;
    }
    const skew = this.filmOffset;
    if (skew !== 0)
      left += near * skew / this.getFilmWidth();
    this.projectionMatrix.makePerspective(left, left + width, top, top - height, near, this.far);
    this.projectionMatrixInverse.copy(this.projectionMatrix).invert();
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.object.fov = this.fov;
    data.object.zoom = this.zoom;
    data.object.near = this.near;
    data.object.far = this.far;
    data.object.focus = this.focus;
    data.object.aspect = this.aspect;
    if (this.view !== null)
      data.object.view = Object.assign({}, this.view);
    data.object.filmGauge = this.filmGauge;
    data.object.filmOffset = this.filmOffset;
    return data;
  }
};
PerspectiveCamera.prototype.isPerspectiveCamera = true;
var fov = 90;
var aspect = 1;
var CubeCamera = class extends Object3D {
  constructor(near, far, renderTarget) {
    super();
    this.type = "CubeCamera";
    if (renderTarget.isWebGLCubeRenderTarget !== true) {
      console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");
      return;
    }
    this.renderTarget = renderTarget;
    const cameraPX = new PerspectiveCamera(fov, aspect, near, far);
    cameraPX.layers = this.layers;
    cameraPX.up.set(0, -1, 0);
    cameraPX.lookAt(new Vector3(1, 0, 0));
    this.add(cameraPX);
    const cameraNX = new PerspectiveCamera(fov, aspect, near, far);
    cameraNX.layers = this.layers;
    cameraNX.up.set(0, -1, 0);
    cameraNX.lookAt(new Vector3(-1, 0, 0));
    this.add(cameraNX);
    const cameraPY = new PerspectiveCamera(fov, aspect, near, far);
    cameraPY.layers = this.layers;
    cameraPY.up.set(0, 0, 1);
    cameraPY.lookAt(new Vector3(0, 1, 0));
    this.add(cameraPY);
    const cameraNY = new PerspectiveCamera(fov, aspect, near, far);
    cameraNY.layers = this.layers;
    cameraNY.up.set(0, 0, -1);
    cameraNY.lookAt(new Vector3(0, -1, 0));
    this.add(cameraNY);
    const cameraPZ = new PerspectiveCamera(fov, aspect, near, far);
    cameraPZ.layers = this.layers;
    cameraPZ.up.set(0, -1, 0);
    cameraPZ.lookAt(new Vector3(0, 0, 1));
    this.add(cameraPZ);
    const cameraNZ = new PerspectiveCamera(fov, aspect, near, far);
    cameraNZ.layers = this.layers;
    cameraNZ.up.set(0, -1, 0);
    cameraNZ.lookAt(new Vector3(0, 0, -1));
    this.add(cameraNZ);
  }
  update(renderer, scene) {
    if (this.parent === null)
      this.updateMatrixWorld();
    const renderTarget = this.renderTarget;
    const [cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ] = this.children;
    const currentXrEnabled = renderer.xr.enabled;
    const currentRenderTarget = renderer.getRenderTarget();
    renderer.xr.enabled = false;
    const generateMipmaps = renderTarget.texture.generateMipmaps;
    renderTarget.texture.generateMipmaps = false;
    renderer.setRenderTarget(renderTarget, 0);
    renderer.render(scene, cameraPX);
    renderer.setRenderTarget(renderTarget, 1);
    renderer.render(scene, cameraNX);
    renderer.setRenderTarget(renderTarget, 2);
    renderer.render(scene, cameraPY);
    renderer.setRenderTarget(renderTarget, 3);
    renderer.render(scene, cameraNY);
    renderer.setRenderTarget(renderTarget, 4);
    renderer.render(scene, cameraPZ);
    renderTarget.texture.generateMipmaps = generateMipmaps;
    renderer.setRenderTarget(renderTarget, 5);
    renderer.render(scene, cameraNZ);
    renderer.setRenderTarget(currentRenderTarget);
    renderer.xr.enabled = currentXrEnabled;
  }
};
var CubeTexture = class extends Texture {
  constructor(images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding) {
    images = images !== void 0 ? images : [];
    mapping = mapping !== void 0 ? mapping : CubeReflectionMapping;
    format = format !== void 0 ? format : RGBFormat;
    super(images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding);
    this.flipY = false;
  }
  get images() {
    return this.image;
  }
  set images(value) {
    this.image = value;
  }
};
CubeTexture.prototype.isCubeTexture = true;
var WebGLCubeRenderTarget = class extends WebGLRenderTarget {
  constructor(size, options, dummy) {
    if (Number.isInteger(options)) {
      console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )");
      options = dummy;
    }
    super(size, size, options);
    options = options || {};
    this.texture = new CubeTexture(void 0, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding);
    this.texture.isRenderTargetTexture = true;
    this.texture.generateMipmaps = options.generateMipmaps !== void 0 ? options.generateMipmaps : false;
    this.texture.minFilter = options.minFilter !== void 0 ? options.minFilter : LinearFilter;
    this.texture._needsFlipEnvMap = false;
  }
  fromEquirectangularTexture(renderer, texture) {
    this.texture.type = texture.type;
    this.texture.format = RGBAFormat;
    this.texture.encoding = texture.encoding;
    this.texture.generateMipmaps = texture.generateMipmaps;
    this.texture.minFilter = texture.minFilter;
    this.texture.magFilter = texture.magFilter;
    const shader = {
      uniforms: {
        tEquirect: { value: null }
      },
      vertexShader: `

				varying vec3 vWorldDirection;

				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {

					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );

				}

				void main() {

					vWorldDirection = transformDirection( position, modelMatrix );

					#include <begin_vertex>
					#include <project_vertex>

				}
			`,
      fragmentShader: `

				uniform sampler2D tEquirect;

				varying vec3 vWorldDirection;

				#include <common>

				void main() {

					vec3 direction = normalize( vWorldDirection );

					vec2 sampleUV = equirectUv( direction );

					gl_FragColor = texture2D( tEquirect, sampleUV );

				}
			`
    };
    const geometry = new BoxGeometry(5, 5, 5);
    const material = new ShaderMaterial({
      name: "CubemapFromEquirect",
      uniforms: cloneUniforms(shader.uniforms),
      vertexShader: shader.vertexShader,
      fragmentShader: shader.fragmentShader,
      side: BackSide,
      blending: NoBlending
    });
    material.uniforms.tEquirect.value = texture;
    const mesh = new Mesh(geometry, material);
    const currentMinFilter = texture.minFilter;
    if (texture.minFilter === LinearMipmapLinearFilter)
      texture.minFilter = LinearFilter;
    const camera = new CubeCamera(1, 10, this);
    camera.update(renderer, mesh);
    texture.minFilter = currentMinFilter;
    mesh.geometry.dispose();
    mesh.material.dispose();
    return this;
  }
  clear(renderer, color, depth, stencil) {
    const currentRenderTarget = renderer.getRenderTarget();
    for (let i = 0; i < 6; i++) {
      renderer.setRenderTarget(this, i);
      renderer.clear(color, depth, stencil);
    }
    renderer.setRenderTarget(currentRenderTarget);
  }
};
WebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;
var _vector1 = /* @__PURE__ */ new Vector3();
var _vector2 = /* @__PURE__ */ new Vector3();
var _normalMatrix = /* @__PURE__ */ new Matrix3();
var Plane = class {
  constructor(normal = new Vector3(1, 0, 0), constant = 0) {
    this.normal = normal;
    this.constant = constant;
  }
  set(normal, constant) {
    this.normal.copy(normal);
    this.constant = constant;
    return this;
  }
  setComponents(x, y, z, w2) {
    this.normal.set(x, y, z);
    this.constant = w2;
    return this;
  }
  setFromNormalAndCoplanarPoint(normal, point) {
    this.normal.copy(normal);
    this.constant = -point.dot(this.normal);
    return this;
  }
  setFromCoplanarPoints(a2, b2, c2) {
    const normal = _vector1.subVectors(c2, b2).cross(_vector2.subVectors(a2, b2)).normalize();
    this.setFromNormalAndCoplanarPoint(normal, a2);
    return this;
  }
  copy(plane) {
    this.normal.copy(plane.normal);
    this.constant = plane.constant;
    return this;
  }
  normalize() {
    const inverseNormalLength = 1 / this.normal.length();
    this.normal.multiplyScalar(inverseNormalLength);
    this.constant *= inverseNormalLength;
    return this;
  }
  negate() {
    this.constant *= -1;
    this.normal.negate();
    return this;
  }
  distanceToPoint(point) {
    return this.normal.dot(point) + this.constant;
  }
  distanceToSphere(sphere) {
    return this.distanceToPoint(sphere.center) - sphere.radius;
  }
  projectPoint(point, target) {
    return target.copy(this.normal).multiplyScalar(-this.distanceToPoint(point)).add(point);
  }
  intersectLine(line, target) {
    const direction = line.delta(_vector1);
    const denominator = this.normal.dot(direction);
    if (denominator === 0) {
      if (this.distanceToPoint(line.start) === 0) {
        return target.copy(line.start);
      }
      return null;
    }
    const t = -(line.start.dot(this.normal) + this.constant) / denominator;
    if (t < 0 || t > 1) {
      return null;
    }
    return target.copy(direction).multiplyScalar(t).add(line.start);
  }
  intersectsLine(line) {
    const startSign = this.distanceToPoint(line.start);
    const endSign = this.distanceToPoint(line.end);
    return startSign < 0 && endSign > 0 || endSign < 0 && startSign > 0;
  }
  intersectsBox(box) {
    return box.intersectsPlane(this);
  }
  intersectsSphere(sphere) {
    return sphere.intersectsPlane(this);
  }
  coplanarPoint(target) {
    return target.copy(this.normal).multiplyScalar(-this.constant);
  }
  applyMatrix4(matrix, optionalNormalMatrix) {
    const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix(matrix);
    const referencePoint = this.coplanarPoint(_vector1).applyMatrix4(matrix);
    const normal = this.normal.applyMatrix3(normalMatrix).normalize();
    this.constant = -referencePoint.dot(normal);
    return this;
  }
  translate(offset) {
    this.constant -= offset.dot(this.normal);
    return this;
  }
  equals(plane) {
    return plane.normal.equals(this.normal) && plane.constant === this.constant;
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
Plane.prototype.isPlane = true;
var _sphere$2 = /* @__PURE__ */ new Sphere();
var _vector$7 = /* @__PURE__ */ new Vector3();
var Frustum = class {
  constructor(p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane()) {
    this.planes = [p0, p1, p2, p3, p4, p5];
  }
  set(p0, p1, p2, p3, p4, p5) {
    const planes = this.planes;
    planes[0].copy(p0);
    planes[1].copy(p1);
    planes[2].copy(p2);
    planes[3].copy(p3);
    planes[4].copy(p4);
    planes[5].copy(p5);
    return this;
  }
  copy(frustum) {
    const planes = this.planes;
    for (let i = 0; i < 6; i++) {
      planes[i].copy(frustum.planes[i]);
    }
    return this;
  }
  setFromProjectionMatrix(m) {
    const planes = this.planes;
    const me = m.elements;
    const me0 = me[0], me1 = me[1], me2 = me[2], me3 = me[3];
    const me4 = me[4], me5 = me[5], me6 = me[6], me7 = me[7];
    const me8 = me[8], me9 = me[9], me10 = me[10], me11 = me[11];
    const me12 = me[12], me13 = me[13], me14 = me[14], me15 = me[15];
    planes[0].setComponents(me3 - me0, me7 - me4, me11 - me8, me15 - me12).normalize();
    planes[1].setComponents(me3 + me0, me7 + me4, me11 + me8, me15 + me12).normalize();
    planes[2].setComponents(me3 + me1, me7 + me5, me11 + me9, me15 + me13).normalize();
    planes[3].setComponents(me3 - me1, me7 - me5, me11 - me9, me15 - me13).normalize();
    planes[4].setComponents(me3 - me2, me7 - me6, me11 - me10, me15 - me14).normalize();
    planes[5].setComponents(me3 + me2, me7 + me6, me11 + me10, me15 + me14).normalize();
    return this;
  }
  intersectsObject(object) {
    const geometry = object.geometry;
    if (geometry.boundingSphere === null)
      geometry.computeBoundingSphere();
    _sphere$2.copy(geometry.boundingSphere).applyMatrix4(object.matrixWorld);
    return this.intersectsSphere(_sphere$2);
  }
  intersectsSprite(sprite) {
    _sphere$2.center.set(0, 0, 0);
    _sphere$2.radius = 0.7071067811865476;
    _sphere$2.applyMatrix4(sprite.matrixWorld);
    return this.intersectsSphere(_sphere$2);
  }
  intersectsSphere(sphere) {
    const planes = this.planes;
    const center = sphere.center;
    const negRadius = -sphere.radius;
    for (let i = 0; i < 6; i++) {
      const distance = planes[i].distanceToPoint(center);
      if (distance < negRadius) {
        return false;
      }
    }
    return true;
  }
  intersectsBox(box) {
    const planes = this.planes;
    for (let i = 0; i < 6; i++) {
      const plane = planes[i];
      _vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;
      _vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;
      _vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;
      if (plane.distanceToPoint(_vector$7) < 0) {
        return false;
      }
    }
    return true;
  }
  containsPoint(point) {
    const planes = this.planes;
    for (let i = 0; i < 6; i++) {
      if (planes[i].distanceToPoint(point) < 0) {
        return false;
      }
    }
    return true;
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
function WebGLAnimation() {
  let context = null;
  let isAnimating = false;
  let animationLoop = null;
  let requestId = null;
  function onAnimationFrame(time, frame) {
    animationLoop(time, frame);
    requestId = context.requestAnimationFrame(onAnimationFrame);
  }
  return {
    start: function() {
      if (isAnimating === true)
        return;
      if (animationLoop === null)
        return;
      requestId = context.requestAnimationFrame(onAnimationFrame);
      isAnimating = true;
    },
    stop: function() {
      context.cancelAnimationFrame(requestId);
      isAnimating = false;
    },
    setAnimationLoop: function(callback) {
      animationLoop = callback;
    },
    setContext: function(value) {
      context = value;
    }
  };
}
function WebGLAttributes(gl, capabilities) {
  const isWebGL2 = capabilities.isWebGL2;
  const buffers = new WeakMap();
  function createBuffer(attribute, bufferType) {
    const array = attribute.array;
    const usage = attribute.usage;
    const buffer = gl.createBuffer();
    gl.bindBuffer(bufferType, buffer);
    gl.bufferData(bufferType, array, usage);
    attribute.onUploadCallback();
    let type = 5126;
    if (array instanceof Float32Array) {
      type = 5126;
    } else if (array instanceof Float64Array) {
      console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.");
    } else if (array instanceof Uint16Array) {
      if (attribute.isFloat16BufferAttribute) {
        if (isWebGL2) {
          type = 5131;
        } else {
          console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");
        }
      } else {
        type = 5123;
      }
    } else if (array instanceof Int16Array) {
      type = 5122;
    } else if (array instanceof Uint32Array) {
      type = 5125;
    } else if (array instanceof Int32Array) {
      type = 5124;
    } else if (array instanceof Int8Array) {
      type = 5120;
    } else if (array instanceof Uint8Array) {
      type = 5121;
    } else if (array instanceof Uint8ClampedArray) {
      type = 5121;
    }
    return {
      buffer,
      type,
      bytesPerElement: array.BYTES_PER_ELEMENT,
      version: attribute.version
    };
  }
  function updateBuffer(buffer, attribute, bufferType) {
    const array = attribute.array;
    const updateRange = attribute.updateRange;
    gl.bindBuffer(bufferType, buffer);
    if (updateRange.count === -1) {
      gl.bufferSubData(bufferType, 0, array);
    } else {
      if (isWebGL2) {
        gl.bufferSubData(bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, array, updateRange.offset, updateRange.count);
      } else {
        gl.bufferSubData(bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, array.subarray(updateRange.offset, updateRange.offset + updateRange.count));
      }
      updateRange.count = -1;
    }
  }
  function get(attribute) {
    if (attribute.isInterleavedBufferAttribute)
      attribute = attribute.data;
    return buffers.get(attribute);
  }
  function remove(attribute) {
    if (attribute.isInterleavedBufferAttribute)
      attribute = attribute.data;
    const data = buffers.get(attribute);
    if (data) {
      gl.deleteBuffer(data.buffer);
      buffers.delete(attribute);
    }
  }
  function update(attribute, bufferType) {
    if (attribute.isGLBufferAttribute) {
      const cached = buffers.get(attribute);
      if (!cached || cached.version < attribute.version) {
        buffers.set(attribute, {
          buffer: attribute.buffer,
          type: attribute.type,
          bytesPerElement: attribute.elementSize,
          version: attribute.version
        });
      }
      return;
    }
    if (attribute.isInterleavedBufferAttribute)
      attribute = attribute.data;
    const data = buffers.get(attribute);
    if (data === void 0) {
      buffers.set(attribute, createBuffer(attribute, bufferType));
    } else if (data.version < attribute.version) {
      updateBuffer(data.buffer, attribute, bufferType);
      data.version = attribute.version;
    }
  }
  return {
    get,
    remove,
    update
  };
}
var PlaneGeometry = class extends BufferGeometry {
  constructor(width = 1, height = 1, widthSegments = 1, heightSegments = 1) {
    super();
    this.type = "PlaneGeometry";
    this.parameters = {
      width,
      height,
      widthSegments,
      heightSegments
    };
    const width_half = width / 2;
    const height_half = height / 2;
    const gridX = Math.floor(widthSegments);
    const gridY = Math.floor(heightSegments);
    const gridX1 = gridX + 1;
    const gridY1 = gridY + 1;
    const segment_width = width / gridX;
    const segment_height = height / gridY;
    const indices = [];
    const vertices = [];
    const normals = [];
    const uvs = [];
    for (let iy = 0; iy < gridY1; iy++) {
      const y = iy * segment_height - height_half;
      for (let ix = 0; ix < gridX1; ix++) {
        const x = ix * segment_width - width_half;
        vertices.push(x, -y, 0);
        normals.push(0, 0, 1);
        uvs.push(ix / gridX);
        uvs.push(1 - iy / gridY);
      }
    }
    for (let iy = 0; iy < gridY; iy++) {
      for (let ix = 0; ix < gridX; ix++) {
        const a2 = ix + gridX1 * iy;
        const b2 = ix + gridX1 * (iy + 1);
        const c2 = ix + 1 + gridX1 * (iy + 1);
        const d = ix + 1 + gridX1 * iy;
        indices.push(a2, b2, d);
        indices.push(b2, c2, d);
      }
    }
    this.setIndex(indices);
    this.setAttribute("position", new Float32BufferAttribute(vertices, 3));
    this.setAttribute("normal", new Float32BufferAttribute(normals, 3));
    this.setAttribute("uv", new Float32BufferAttribute(uvs, 2));
  }
  static fromJSON(data) {
    return new PlaneGeometry(data.width, data.height, data.widthSegments, data.heightSegments);
  }
};
var alphamap_fragment = "#ifdef USE_ALPHAMAP\n	diffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif";
var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n	uniform sampler2D alphaMap;\n#endif";
var alphatest_fragment = "#ifdef USE_ALPHATEST\n	if ( diffuseColor.a < alphaTest ) discard;\n#endif";
var alphatest_pars_fragment = "#ifdef USE_ALPHATEST\n	uniform float alphaTest;\n#endif";
var aomap_fragment = "#ifdef USE_AOMAP\n	float ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n	reflectedLight.indirectDiffuse *= ambientOcclusion;\n	#if defined( USE_ENVMAP ) && defined( STANDARD )\n		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n	#endif\n#endif";
var aomap_pars_fragment = "#ifdef USE_AOMAP\n	uniform sampler2D aoMap;\n	uniform float aoMapIntensity;\n#endif";
var begin_vertex = "vec3 transformed = vec3( position );";
var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n	vec3 objectTangent = vec3( tangent.xyz );\n#endif";
var bsdfs = "vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n	return RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n	float a2 = pow2( alpha );\n	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n	return 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n	float a2 = pow2( alpha );\n	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n	return RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n	float alpha = pow2( roughness );\n	vec3 halfDir = normalize( incidentLight.direction + viewDir );\n	float dotNL = saturate( dot( normal, incidentLight.direction ) );\n	float dotNV = saturate( dot( normal, viewDir ) );\n	float dotNH = saturate( dot( normal, halfDir ) );\n	float dotVH = saturate( dot( viewDir, halfDir ) );\n	vec3 F = F_Schlick( f0, f90, dotVH );\n	float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n	float D = D_GGX( alpha, dotNH );\n	return F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n	const float LUT_SIZE = 64.0;\n	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n	const float LUT_BIAS = 0.5 / LUT_SIZE;\n	float dotNV = saturate( dot( N, V ) );\n	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n	uv = uv * LUT_SCALE + LUT_BIAS;\n	return uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n	float l = length( f );\n	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n	float x = dot( v1, v2 );\n	float y = abs( x );\n	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n	float b = 3.4175940 + ( 4.1616724 + y ) * y;\n	float v = a / b;\n	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n	return cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n	vec3 lightNormal = cross( v1, v2 );\n	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n	vec3 T1, T2;\n	T1 = normalize( V - N * dot( V, N ) );\n	T2 = - cross( N, T1 );\n	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n	vec3 coords[ 4 ];\n	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n	coords[ 0 ] = normalize( coords[ 0 ] );\n	coords[ 1 ] = normalize( coords[ 1 ] );\n	coords[ 2 ] = normalize( coords[ 2 ] );\n	coords[ 3 ] = normalize( coords[ 3 ] );\n	vec3 vectorFormFactor = vec3( 0.0 );\n	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n	return vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n	return 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n	vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n	float dotNH = saturate( dot( geometry.normal, halfDir ) );\n	float dotVH = saturate( dot( geometry.viewDir, halfDir ) );\n	vec3 F = F_Schlick( specularColor, 1.0, dotVH );\n	float G = G_BlinnPhong_Implicit( );\n	float D = D_BlinnPhong( shininess, dotNH );\n	return F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float NoH ) {\n	float invAlpha = 1.0 / roughness;\n	float cos2h = NoH * NoH;\n	float sin2h = max( 1.0 - cos2h, 0.0078125 );\n	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float NoV, float NoL ) {\n	return saturate( 1.0 / ( 4.0 * ( NoL + NoV - NoL * NoV ) ) );\n}\nvec3 BRDF_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n	vec3 N = geometry.normal;\n	vec3 V = geometry.viewDir;\n	vec3 H = normalize( V + L );\n	float dotNH = saturate( dot( N, H ) );\n	return specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif";
var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n	uniform sampler2D bumpMap;\n	uniform float bumpScale;\n	vec2 dHdxy_fwd() {\n		vec2 dSTdx = dFdx( vUv );\n		vec2 dSTdy = dFdy( vUv );\n		float Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n		float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n		float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n		return vec2( dBx, dBy );\n	}\n	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n		vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n		vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n		vec3 vN = surf_norm;\n		vec3 R1 = cross( vSigmaY, vN );\n		vec3 R2 = cross( vN, vSigmaX );\n		float fDet = dot( vSigmaX, R1 ) * faceDirection;\n		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n		return normalize( abs( fDet ) * surf_norm - vGrad );\n	}\n#endif";
var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n	vec4 plane;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n		plane = clippingPlanes[ i ];\n		if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n	}\n	#pragma unroll_loop_end\n	#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n		bool clipped = true;\n		#pragma unroll_loop_start\n		for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n			plane = clippingPlanes[ i ];\n			clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n		}\n		#pragma unroll_loop_end\n		if ( clipped ) discard;\n	#endif\n#endif";
var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n	varying vec3 vClipPosition;\n	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif";
var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0\n	varying vec3 vClipPosition;\n#endif";
var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0\n	vClipPosition = - mvPosition.xyz;\n#endif";
var color_fragment = "#if defined( USE_COLOR_ALPHA )\n	diffuseColor *= vColor;\n#elif defined( USE_COLOR )\n	diffuseColor.rgb *= vColor;\n#endif";
var color_pars_fragment = "#if defined( USE_COLOR_ALPHA )\n	varying vec4 vColor;\n#elif defined( USE_COLOR )\n	varying vec3 vColor;\n#endif";
var color_pars_vertex = "#if defined( USE_COLOR_ALPHA )\n	varying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n	varying vec3 vColor;\n#endif";
var color_vertex = "#if defined( USE_COLOR_ALPHA )\n	vColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n	vColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n	vColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n	vColor.xyz *= instanceColor.xyz;\n#endif";
var common = "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n	const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n	return fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n	float precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n	float precisionSafeLength( vec3 v ) {\n		float maxComponent = max3( abs( v ) );\n		return length( v / maxComponent ) * maxComponent;\n	}\n#endif\nstruct IncidentLight {\n	vec3 color;\n	vec3 direction;\n	bool visible;\n};\nstruct ReflectedLight {\n	vec3 directDiffuse;\n	vec3 directSpecular;\n	vec3 indirectDiffuse;\n	vec3 indirectSpecular;\n};\nstruct GeometricContext {\n	vec3 position;\n	vec3 normal;\n	vec3 viewDir;\n#ifdef USE_CLEARCOAT\n	vec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n	mat3 tmp;\n	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n	return tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n	vec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n	return dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n	return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n	return vec2( u, v );\n}";
var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n	#define cubeUV_maxMipLevel 8.0\n	#define cubeUV_minMipLevel 4.0\n	#define cubeUV_maxTileSize 256.0\n	#define cubeUV_minTileSize 16.0\n	float getFace( vec3 direction ) {\n		vec3 absDirection = abs( direction );\n		float face = - 1.0;\n		if ( absDirection.x > absDirection.z ) {\n			if ( absDirection.x > absDirection.y )\n				face = direction.x > 0.0 ? 0.0 : 3.0;\n			else\n				face = direction.y > 0.0 ? 1.0 : 4.0;\n		} else {\n			if ( absDirection.z > absDirection.y )\n				face = direction.z > 0.0 ? 2.0 : 5.0;\n			else\n				face = direction.y > 0.0 ? 1.0 : 4.0;\n		}\n		return face;\n	}\n	vec2 getUV( vec3 direction, float face ) {\n		vec2 uv;\n		if ( face == 0.0 ) {\n			uv = vec2( direction.z, direction.y ) / abs( direction.x );\n		} else if ( face == 1.0 ) {\n			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n		} else if ( face == 2.0 ) {\n			uv = vec2( - direction.x, direction.y ) / abs( direction.z );\n		} else if ( face == 3.0 ) {\n			uv = vec2( - direction.z, direction.y ) / abs( direction.x );\n		} else if ( face == 4.0 ) {\n			uv = vec2( - direction.x, direction.z ) / abs( direction.y );\n		} else {\n			uv = vec2( direction.x, direction.y ) / abs( direction.z );\n		}\n		return 0.5 * ( uv + 1.0 );\n	}\n	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n		float face = getFace( direction );\n		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n		mipInt = max( mipInt, cubeUV_minMipLevel );\n		float faceSize = exp2( mipInt );\n		float texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n		vec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n		vec2 f = fract( uv );\n		uv += 0.5 - f;\n		if ( face > 2.0 ) {\n			uv.y += faceSize;\n			face -= 3.0;\n		}\n		uv.x += face * faceSize;\n		if ( mipInt < cubeUV_maxMipLevel ) {\n			uv.y += 2.0 * cubeUV_maxTileSize;\n		}\n		uv.y += filterInt * 2.0 * cubeUV_minTileSize;\n		uv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n		uv *= texelSize;\n		vec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n		uv.x += texelSize;\n		vec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n		uv.y += texelSize;\n		vec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n		uv.x -= texelSize;\n		vec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n		vec3 tm = mix( tl, tr, f.x );\n		vec3 bm = mix( bl, br, f.x );\n		return mix( tm, bm, f.y );\n	}\n	#define r0 1.0\n	#define v0 0.339\n	#define m0 - 2.0\n	#define r1 0.8\n	#define v1 0.276\n	#define m1 - 1.0\n	#define r4 0.4\n	#define v4 0.046\n	#define m4 2.0\n	#define r5 0.305\n	#define v5 0.016\n	#define m5 3.0\n	#define r6 0.21\n	#define v6 0.0038\n	#define m6 4.0\n	float roughnessToMip( float roughness ) {\n		float mip = 0.0;\n		if ( roughness >= r1 ) {\n			mip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n		} else if ( roughness >= r4 ) {\n			mip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n		} else if ( roughness >= r5 ) {\n			mip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n		} else if ( roughness >= r6 ) {\n			mip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n		} else {\n			mip = - 2.0 * log2( 1.16 * roughness );		}\n		return mip;\n	}\n	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n		float mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n		float mipF = fract( mip );\n		float mipInt = floor( mip );\n		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n		if ( mipF == 0.0 ) {\n			return vec4( color0, 1.0 );\n		} else {\n			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n			return vec4( mix( color0, color1, mipF ), 1.0 );\n		}\n	}\n#endif";
var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n	mat3 m = mat3( instanceMatrix );\n	transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n	transformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n	transformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n	vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n	#ifdef FLIP_SIDED\n		transformedTangent = - transformedTangent;\n	#endif\n#endif";
var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n	uniform sampler2D displacementMap;\n	uniform float displacementScale;\n	uniform float displacementBias;\n#endif";
var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif";
var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n	vec4 emissiveColor = texture2D( emissiveMap, vUv );\n	emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n	totalEmissiveRadiance *= emissiveColor.rgb;\n#endif";
var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n	uniform sampler2D emissiveMap;\n#endif";
var encodings_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );";
var encodings_pars_fragment = "\nvec4 LinearToLinear( in vec4 value ) {\n	return value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n	return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n	return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n	return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n	return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n	return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n	float maxComponent = max( max( value.r, value.g ), value.b );\n	float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n	return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n	return vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n	float maxRGB = max( value.r, max( value.g, value.b ) );\n	float M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n	M = ceil( M * 255.0 ) / 255.0;\n	return vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n	return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n	float maxRGB = max( value.r, max( value.g, value.b ) );\n	float D = max( maxRange / maxRGB, 1.0 );\n	D = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n	return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n	vec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n	Xp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n	vec4 vResult;\n	vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n	float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n	vResult.w = fract( Le );\n	vResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n	return vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n	float Le = value.z * 255.0 + value.w;\n	vec3 Xp_Y_XYZp;\n	Xp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n	Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n	Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n	vec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n	return vec4( max( vRGB, 0.0 ), 1.0 );\n}";
var envmap_fragment = "#ifdef USE_ENVMAP\n	#ifdef ENV_WORLDPOS\n		vec3 cameraToFrag;\n		if ( isOrthographic ) {\n			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n		} else {\n			cameraToFrag = normalize( vWorldPosition - cameraPosition );\n		}\n		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n		#ifdef ENVMAP_MODE_REFLECTION\n			vec3 reflectVec = reflect( cameraToFrag, worldNormal );\n		#else\n			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n		#endif\n	#else\n		vec3 reflectVec = vReflect;\n	#endif\n	#ifdef ENVMAP_TYPE_CUBE\n		vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n		envColor = envMapTexelToLinear( envColor );\n	#elif defined( ENVMAP_TYPE_CUBE_UV )\n		vec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n	#else\n		vec4 envColor = vec4( 0.0 );\n	#endif\n	#ifdef ENVMAP_BLENDING_MULTIPLY\n		outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n	#elif defined( ENVMAP_BLENDING_MIX )\n		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n	#elif defined( ENVMAP_BLENDING_ADD )\n		outgoingLight += envColor.xyz * specularStrength * reflectivity;\n	#endif\n#endif";
var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n	uniform float envMapIntensity;\n	uniform float flipEnvMap;\n	uniform int maxMipLevel;\n	#ifdef ENVMAP_TYPE_CUBE\n		uniform samplerCube envMap;\n	#else\n		uniform sampler2D envMap;\n	#endif\n	\n#endif";
var envmap_pars_fragment = "#ifdef USE_ENVMAP\n	uniform float reflectivity;\n	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n		#define ENV_WORLDPOS\n	#endif\n	#ifdef ENV_WORLDPOS\n		varying vec3 vWorldPosition;\n		uniform float refractionRatio;\n	#else\n		varying vec3 vReflect;\n	#endif\n#endif";
var envmap_pars_vertex = "#ifdef USE_ENVMAP\n	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n		#define ENV_WORLDPOS\n	#endif\n	#ifdef ENV_WORLDPOS\n		\n		varying vec3 vWorldPosition;\n	#else\n		varying vec3 vReflect;\n		uniform float refractionRatio;\n	#endif\n#endif";
var envmap_vertex = "#ifdef USE_ENVMAP\n	#ifdef ENV_WORLDPOS\n		vWorldPosition = worldPosition.xyz;\n	#else\n		vec3 cameraToVertex;\n		if ( isOrthographic ) {\n			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n		} else {\n			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n		}\n		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n		#ifdef ENVMAP_MODE_REFLECTION\n			vReflect = reflect( cameraToVertex, worldNormal );\n		#else\n			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n		#endif\n	#endif\n#endif";
var fog_vertex = "#ifdef USE_FOG\n	vFogDepth = - mvPosition.z;\n#endif";
var fog_pars_vertex = "#ifdef USE_FOG\n	varying float vFogDepth;\n#endif";
var fog_fragment = "#ifdef USE_FOG\n	#ifdef FOG_EXP2\n		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n	#else\n		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n	#endif\n	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif";
var fog_pars_fragment = "#ifdef USE_FOG\n	uniform vec3 fogColor;\n	varying float vFogDepth;\n	#ifdef FOG_EXP2\n		uniform float fogDensity;\n	#else\n		uniform float fogNear;\n		uniform float fogFar;\n	#endif\n#endif";
var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n	uniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n	float dotNL = dot( normal, lightDirection );\n	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n	#ifdef USE_GRADIENTMAP\n		return texture2D( gradientMap, coord ).rgb;\n	#else\n		return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n	#endif\n}";
var lightmap_fragment = "#ifdef USE_LIGHTMAP\n	vec4 lightMapTexel = texture2D( lightMap, vUv2 );\n	vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n	#ifndef PHYSICALLY_CORRECT_LIGHTS\n		lightMapIrradiance *= PI;\n	#endif\n	reflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif";
var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n	uniform sampler2D lightMap;\n	uniform float lightMapIntensity;\n#endif";
var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n	vLightBack = vec3( 0.0 );\n	vIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n	vIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n	vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n		getPointLightInfo( pointLights[ i ], geometry, directLight );\n		dotNL = dot( geometry.normal, directLight.direction );\n		directLightColor_Diffuse = directLight.color;\n		vLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n		#ifdef DOUBLE_SIDED\n			vLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n		#endif\n	}\n	#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n		getSpotLightInfo( spotLights[ i ], geometry, directLight );\n		dotNL = dot( geometry.normal, directLight.direction );\n		directLightColor_Diffuse = directLight.color;\n		vLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n		#ifdef DOUBLE_SIDED\n			vLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n		#endif\n	}\n	#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n		getDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n		dotNL = dot( geometry.normal, directLight.direction );\n		directLightColor_Diffuse = directLight.color;\n		vLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n		#ifdef DOUBLE_SIDED\n			vLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n		#endif\n	}\n	#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n		vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n		#ifdef DOUBLE_SIDED\n			vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n		#endif\n	}\n	#pragma unroll_loop_end\n#endif";
var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n	float x = normal.x, y = normal.y, z = normal.z;\n	vec3 result = shCoefficients[ 0 ] * 0.886227;\n	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n	return result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n	vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n	return irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n	vec3 irradiance = ambientLightColor;\n	return irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n	#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n		float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n		if ( cutoffDistance > 0.0 ) {\n			distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n		}\n		return distanceFalloff;\n	#else\n		if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n			return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n		}\n		return 1.0;\n	#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n	return smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n	struct DirectionalLight {\n		vec3 direction;\n		vec3 color;\n	};\n	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n	void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n		light.color = directionalLight.color;\n		light.direction = directionalLight.direction;\n		light.visible = true;\n	}\n#endif\n#if NUM_POINT_LIGHTS > 0\n	struct PointLight {\n		vec3 position;\n		vec3 color;\n		float distance;\n		float decay;\n	};\n	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n	void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n		vec3 lVector = pointLight.position - geometry.position;\n		light.direction = normalize( lVector );\n		float lightDistance = length( lVector );\n		light.color = pointLight.color;\n		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n		light.visible = ( light.color != vec3( 0.0 ) );\n	}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n	struct SpotLight {\n		vec3 position;\n		vec3 direction;\n		vec3 color;\n		float distance;\n		float decay;\n		float coneCos;\n		float penumbraCos;\n	};\n	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n	void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n		vec3 lVector = spotLight.position - geometry.position;\n		light.direction = normalize( lVector );\n		float angleCos = dot( light.direction, spotLight.direction );\n		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n		if ( spotAttenuation > 0.0 ) {\n			float lightDistance = length( lVector );\n			light.color = spotLight.color * spotAttenuation;\n			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n			light.visible = ( light.color != vec3( 0.0 ) );\n		} else {\n			light.color = vec3( 0.0 );\n			light.visible = false;\n		}\n	}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n	struct RectAreaLight {\n		vec3 color;\n		vec3 position;\n		vec3 halfWidth;\n		vec3 halfHeight;\n	};\n	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;\n	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n	struct HemisphereLight {\n		vec3 direction;\n		vec3 skyColor;\n		vec3 groundColor;\n	};\n	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n		float dotNL = dot( geometry.normal, hemiLight.direction );\n		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n		return irradiance;\n	}\n#endif";
var envmap_physical_pars_fragment = "#if defined( USE_ENVMAP )\n	#ifdef ENVMAP_MODE_REFRACTION\n		uniform float refractionRatio;\n	#endif\n	vec3 getIBLIrradiance( const in GeometricContext geometry ) {\n		#if defined( ENVMAP_TYPE_CUBE_UV )\n			vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n			vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n			return PI * envMapColor.rgb * envMapIntensity;\n		#else\n			return vec3( 0.0 );\n		#endif\n	}\n	vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n		#if defined( ENVMAP_TYPE_CUBE_UV )\n			vec3 reflectVec;\n			#ifdef ENVMAP_MODE_REFLECTION\n				reflectVec = reflect( - viewDir, normal );\n				reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n			#else\n				reflectVec = refract( - viewDir, normal, refractionRatio );\n			#endif\n			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n			vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n			return envMapColor.rgb * envMapIntensity;\n		#else\n			return vec3( 0.0 );\n		#endif\n	}\n#endif";
var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;";
var lights_toon_pars_fragment = "varying vec3 vViewPosition;\nstruct ToonMaterial {\n	vec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n	vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct				RE_Direct_Toon\n#define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )	(0)";
var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;";
var lights_phong_pars_fragment = "varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n	vec3 diffuseColor;\n	vec3 specularColor;\n	float specularShininess;\n	float specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n	vec3 irradiance = dotNL * directLight.color;\n	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct				RE_Direct_BlinnPhong\n#define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )	(0)";
var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n	#ifdef SPECULAR\n		float specularIntensityFactor = specularIntensity;\n		vec3 specularTintFactor = specularTint;\n		#ifdef USE_SPECULARINTENSITYMAP\n			specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n		#endif\n		#ifdef USE_SPECULARTINTMAP\n			specularTintFactor *= specularTintMapTexelToLinear( texture2D( specularTintMap, vUv ) ).rgb;\n		#endif\n		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n	#else\n		float specularIntensityFactor = 1.0;\n		vec3 specularTintFactor = vec3( 1.0 );\n		material.specularF90 = 1.0;\n	#endif\n	material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularTintFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n	material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n	material.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n	material.clearcoat = clearcoat;\n	material.clearcoatRoughness = clearcoatRoughness;\n	material.clearcoatF0 = vec3( 0.04 );\n	material.clearcoatF90 = 1.0;\n	#ifdef USE_CLEARCOATMAP\n		material.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n	#endif\n	#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n		material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n	#endif\n	material.clearcoat = saturate( material.clearcoat );	material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n	material.clearcoatRoughness += geometryRoughness;\n	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n	material.sheenTint = sheenTint;\n#endif";
var lights_physical_pars_fragment = "struct PhysicalMaterial {\n	vec3 diffuseColor;\n	float roughness;\n	vec3 specularColor;\n	float specularF90;\n	#ifdef USE_CLEARCOAT\n		float clearcoat;\n		float clearcoatRoughness;\n		vec3 clearcoatF0;\n		float clearcoatF90;\n	#endif\n	#ifdef USE_SHEEN\n		vec3 sheenTint;\n	#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n	float dotNV = saturate( dot( normal, viewDir ) );\n	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n	vec4 r = roughness * c0 + c1;\n	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n	return fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n	vec2 fab = DFGApprox( normal, viewDir, roughness );\n	return specularColor * fab.x + specularF90 * fab.y;\n}\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n	vec2 fab = DFGApprox( normal, viewDir, roughness );\n	vec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\n	float Ess = fab.x + fab.y;\n	float Ems = 1.0 - Ess;\n	vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n	singleScatter += FssEss;\n	multiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n		vec3 normal = geometry.normal;\n		vec3 viewDir = geometry.viewDir;\n		vec3 position = geometry.position;\n		vec3 lightPos = rectAreaLight.position;\n		vec3 halfWidth = rectAreaLight.halfWidth;\n		vec3 halfHeight = rectAreaLight.halfHeight;\n		vec3 lightColor = rectAreaLight.color;\n		float roughness = material.roughness;\n		vec3 rectCoords[ 4 ];\n		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n		vec2 uv = LTC_Uv( normal, viewDir, roughness );\n		vec4 t1 = texture2D( ltc_1, uv );\n		vec4 t2 = texture2D( ltc_2, uv );\n		mat3 mInv = mat3(\n			vec3( t1.x, 0, t1.y ),\n			vec3(    0, 1,    0 ),\n			vec3( t1.z, 0, t1.w )\n		);\n		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n	}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n	vec3 irradiance = dotNL * directLight.color;\n	#ifdef USE_CLEARCOAT\n		float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n		vec3 ccIrradiance = dotNLcc * directLight.color;\n		clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n	#endif\n	#ifdef USE_SHEEN\n		reflectedLight.directSpecular += irradiance * BRDF_Sheen( material.roughness, directLight.direction, geometry, material.sheenTint );\n	#else\n		reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n	#endif\n	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n	#ifdef USE_CLEARCOAT\n		clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n	#endif\n	vec3 singleScattering = vec3( 0.0 );\n	vec3 multiScattering = vec3( 0.0 );\n	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n	computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n	vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n	reflectedLight.indirectSpecular += radiance * singleScattering;\n	reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n	reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct				RE_Direct_Physical\n#define RE_Direct_RectArea		RE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular		RE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}";
var lights_fragment_begin = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n	geometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n	PointLight pointLight;\n	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n	PointLightShadow pointLightShadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n		pointLight = pointLights[ i ];\n		getPointLightInfo( pointLight, geometry, directLight );\n		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n		pointLightShadow = pointLightShadows[ i ];\n		directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n		#endif\n		RE_Direct( directLight, geometry, material, reflectedLight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n	SpotLight spotLight;\n	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n	SpotLightShadow spotLightShadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n		spotLight = spotLights[ i ];\n		getSpotLightInfo( spotLight, geometry, directLight );\n		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n		spotLightShadow = spotLightShadows[ i ];\n		directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n		#endif\n		RE_Direct( directLight, geometry, material, reflectedLight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n	DirectionalLight directionalLight;\n	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n	DirectionalLightShadow directionalLightShadow;\n	#endif\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n		directionalLight = directionalLights[ i ];\n		getDirectionalLightInfo( directionalLight, geometry, directLight );\n		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n		directionalLightShadow = directionalLightShadows[ i ];\n		directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n		#endif\n		RE_Direct( directLight, geometry, material, reflectedLight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n	RectAreaLight rectAreaLight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n		rectAreaLight = rectAreaLights[ i ];\n		RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n	}\n	#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n	vec3 iblIrradiance = vec3( 0.0 );\n	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n	irradiance += getLightProbeIrradiance( lightProbe, geometry );\n	#if ( NUM_HEMI_LIGHTS > 0 )\n		#pragma unroll_loop_start\n		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n		}\n		#pragma unroll_loop_end\n	#endif\n#endif\n#if defined( RE_IndirectSpecular )\n	vec3 radiance = vec3( 0.0 );\n	vec3 clearcoatRadiance = vec3( 0.0 );\n#endif";
var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n	#ifdef USE_LIGHTMAP\n		vec4 lightMapTexel = texture2D( lightMap, vUv2 );\n		vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n		#ifndef PHYSICALLY_CORRECT_LIGHTS\n			lightMapIrradiance *= PI;\n		#endif\n		irradiance += lightMapIrradiance;\n	#endif\n	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n		iblIrradiance += getIBLIrradiance( geometry );\n	#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n	radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n	#ifdef USE_CLEARCOAT\n		clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n	#endif\n#endif";
var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n	RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif";
var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n	gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif";
var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n	uniform float logDepthBufFC;\n	varying float vFragDepth;\n	varying float vIsPerspective;\n#endif";
var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n	#ifdef USE_LOGDEPTHBUF_EXT\n		varying float vFragDepth;\n		varying float vIsPerspective;\n	#else\n		uniform float logDepthBufFC;\n	#endif\n#endif";
var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n	#ifdef USE_LOGDEPTHBUF_EXT\n		vFragDepth = 1.0 + gl_Position.w;\n		vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n	#else\n		if ( isPerspectiveMatrix( projectionMatrix ) ) {\n			gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n			gl_Position.z *= gl_Position.w;\n		}\n	#endif\n#endif";
var map_fragment = "#ifdef USE_MAP\n	vec4 texelColor = texture2D( map, vUv );\n	texelColor = mapTexelToLinear( texelColor );\n	diffuseColor *= texelColor;\n#endif";
var map_pars_fragment = "#ifdef USE_MAP\n	uniform sampler2D map;\n#endif";
var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n	vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n	vec4 mapTexel = texture2D( map, uv );\n	diffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n	diffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif";
var map_particle_pars_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n	uniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n	uniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n	uniform sampler2D alphaMap;\n#endif";
var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n	vec4 texelMetalness = texture2D( metalnessMap, vUv );\n	metalnessFactor *= texelMetalness.b;\n#endif";
var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n	uniform sampler2D metalnessMap;\n#endif";
var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n	objectNormal *= morphTargetBaseInfluence;\n	objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n	objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n	objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n	objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif";
var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n	uniform float morphTargetBaseInfluence;\n	#ifndef USE_MORPHNORMALS\n		uniform float morphTargetInfluences[ 8 ];\n	#else\n		uniform float morphTargetInfluences[ 4 ];\n	#endif\n#endif";
var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n	transformed *= morphTargetBaseInfluence;\n	transformed += morphTarget0 * morphTargetInfluences[ 0 ];\n	transformed += morphTarget1 * morphTargetInfluences[ 1 ];\n	transformed += morphTarget2 * morphTargetInfluences[ 2 ];\n	transformed += morphTarget3 * morphTargetInfluences[ 3 ];\n	#ifndef USE_MORPHNORMALS\n		transformed += morphTarget4 * morphTargetInfluences[ 4 ];\n		transformed += morphTarget5 * morphTargetInfluences[ 5 ];\n		transformed += morphTarget6 * morphTargetInfluences[ 6 ];\n		transformed += morphTarget7 * morphTargetInfluences[ 7 ];\n	#endif\n#endif";
var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n	vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n	vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n	vec3 normal = normalize( cross( fdx, fdy ) );\n#else\n	vec3 normal = normalize( vNormal );\n	#ifdef DOUBLE_SIDED\n		normal = normal * faceDirection;\n	#endif\n	#ifdef USE_TANGENT\n		vec3 tangent = normalize( vTangent );\n		vec3 bitangent = normalize( vBitangent );\n		#ifdef DOUBLE_SIDED\n			tangent = tangent * faceDirection;\n			bitangent = bitangent * faceDirection;\n		#endif\n		#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n			mat3 vTBN = mat3( tangent, bitangent, normal );\n		#endif\n	#endif\n#endif\nvec3 geometryNormal = normal;";
var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n	normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n	#ifdef FLIP_SIDED\n		normal = - normal;\n	#endif\n	#ifdef DOUBLE_SIDED\n		normal = normal * faceDirection;\n	#endif\n	normal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n	vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n	mapN.xy *= normalScale;\n	#ifdef USE_TANGENT\n		normal = normalize( vTBN * mapN );\n	#else\n		normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n	#endif\n#elif defined( USE_BUMPMAP )\n	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif";
var normal_pars_fragment = "#ifndef FLAT_SHADED\n	varying vec3 vNormal;\n	#ifdef USE_TANGENT\n		varying vec3 vTangent;\n		varying vec3 vBitangent;\n	#endif\n#endif";
var normal_pars_vertex = "#ifndef FLAT_SHADED\n	varying vec3 vNormal;\n	#ifdef USE_TANGENT\n		varying vec3 vTangent;\n		varying vec3 vBitangent;\n	#endif\n#endif";
var normal_vertex = "#ifndef FLAT_SHADED\n	vNormal = normalize( transformedNormal );\n	#ifdef USE_TANGENT\n		vTangent = normalize( transformedTangent );\n		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n	#endif\n#endif";
var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n	uniform sampler2D normalMap;\n	uniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n	uniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n	vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n		vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n		vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n		vec2 st0 = dFdx( vUv.st );\n		vec2 st1 = dFdy( vUv.st );\n		vec3 N = surf_norm;\n		vec3 q1perp = cross( q1, N );\n		vec3 q0perp = cross( N, q0 );\n		vec3 T = q1perp * st0.x + q0perp * st1.x;\n		vec3 B = q1perp * st0.y + q0perp * st1.y;\n		float det = max( dot( T, T ), dot( B, B ) );\n		float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n		return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n	}\n#endif";
var clearcoat_normal_fragment_begin = "#ifdef USE_CLEARCOAT\n	vec3 clearcoatNormal = geometryNormal;\n#endif";
var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n	clearcoatMapN.xy *= clearcoatNormalScale;\n	#ifdef USE_TANGENT\n		clearcoatNormal = normalize( vTBN * clearcoatMapN );\n	#else\n		clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n	#endif\n#endif";
var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n	uniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n	uniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n	uniform sampler2D clearcoatNormalMap;\n	uniform vec2 clearcoatNormalScale;\n#endif";
var output_fragment = "#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );";
var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n	return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n	return 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n	vec4 r = vec4( fract( v * PackFactors ), v );\n	r.yzw -= r.xyz * ShiftRight8;	return r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n	return dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n	return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n	return linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n	return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n	return ( near * far ) / ( ( far - near ) * invClipZ - far );\n}";
var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n	gl_FragColor.rgb *= gl_FragColor.a;\n#endif";
var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n	mvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;";
var dithering_fragment = "#ifdef DITHERING\n	gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif";
var dithering_pars_fragment = "#ifdef DITHERING\n	vec3 dithering( vec3 color ) {\n		float grid_position = rand( gl_FragCoord.xy );\n		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n		return color + dither_shift_RGB;\n	}\n#endif";
var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n	vec4 texelRoughness = texture2D( roughnessMap, vUv );\n	roughnessFactor *= texelRoughness.g;\n#endif";
var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n	uniform sampler2D roughnessMap;\n#endif";
var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n	#if NUM_DIR_LIGHT_SHADOWS > 0\n		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n		struct DirectionalLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n		};\n		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n	#endif\n	#if NUM_SPOT_LIGHT_SHADOWS > 0\n		uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n		varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n		struct SpotLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n		};\n		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n	#endif\n	#if NUM_POINT_LIGHT_SHADOWS > 0\n		uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n		struct PointLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n			float shadowCameraNear;\n			float shadowCameraFar;\n		};\n		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n	#endif\n	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n	}\n	vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n		return unpackRGBATo2Half( texture2D( shadow, uv ) );\n	}\n	float VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n		float occlusion = 1.0;\n		vec2 distribution = texture2DDistribution( shadow, uv );\n		float hard_shadow = step( compare , distribution.x );\n		if (hard_shadow != 1.0 ) {\n			float distance = compare - distribution.x ;\n			float variance = max( 0.00000, distribution.y * distribution.y );\n			float softness_probability = variance / (variance + distance * distance );			softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );			occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n		}\n		return occlusion;\n	}\n	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n		float shadow = 1.0;\n		shadowCoord.xyz /= shadowCoord.w;\n		shadowCoord.z += shadowBias;\n		bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n		bool inFrustum = all( inFrustumVec );\n		bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n		bool frustumTest = all( frustumTestVec );\n		if ( frustumTest ) {\n		#if defined( SHADOWMAP_TYPE_PCF )\n			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n			float dx0 = - texelSize.x * shadowRadius;\n			float dy0 = - texelSize.y * shadowRadius;\n			float dx1 = + texelSize.x * shadowRadius;\n			float dy1 = + texelSize.y * shadowRadius;\n			float dx2 = dx0 / 2.0;\n			float dy2 = dy0 / 2.0;\n			float dx3 = dx1 / 2.0;\n			float dy3 = dy1 / 2.0;\n			shadow = (\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n			) * ( 1.0 / 17.0 );\n		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n			float dx = texelSize.x;\n			float dy = texelSize.y;\n			vec2 uv = shadowCoord.xy;\n			vec2 f = fract( uv * shadowMapSize + 0.5 );\n			uv -= f * texelSize;\n			shadow = (\n				texture2DCompare( shadowMap, uv, shadowCoord.z ) +\n				texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n				texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n				mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n					 f.x ) +\n				mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n					 f.x ) +\n				mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n					 texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n					 f.y ) +\n				mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n					 texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n					 f.y ) +\n				mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n						  f.x ),\n					 mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n						  f.x ),\n					 f.y )\n			) * ( 1.0 / 9.0 );\n		#elif defined( SHADOWMAP_TYPE_VSM )\n			shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n		#else\n			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n		#endif\n		}\n		return shadow;\n	}\n	vec2 cubeToUV( vec3 v, float texelSizeY ) {\n		vec3 absV = abs( v );\n		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n		absV *= scaleToCube;\n		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n		vec2 planar = v.xy;\n		float almostATexel = 1.5 * texelSizeY;\n		float almostOne = 1.0 - almostATexel;\n		if ( absV.z >= almostOne ) {\n			if ( v.z > 0.0 )\n				planar.x = 4.0 - v.x;\n		} else if ( absV.x >= almostOne ) {\n			float signX = sign( v.x );\n			planar.x = v.z * signX + 2.0 * signX;\n		} else if ( absV.y >= almostOne ) {\n			float signY = sign( v.y );\n			planar.x = v.x + 2.0 * signY + 2.0;\n			planar.y = v.z * signY - 2.0;\n		}\n		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n	}\n	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n		vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n		vec3 lightToPosition = shadowCoord.xyz;\n		float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );		dp += shadowBias;\n		vec3 bd3D = normalize( lightToPosition );\n		#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n			vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n			return (\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n			) * ( 1.0 / 9.0 );\n		#else\n			return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n		#endif\n	}\n#endif";
var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n	#if NUM_DIR_LIGHT_SHADOWS > 0\n		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n		struct DirectionalLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n		};\n		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n	#endif\n	#if NUM_SPOT_LIGHT_SHADOWS > 0\n		uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n		varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n		struct SpotLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n		};\n		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n	#endif\n	#if NUM_POINT_LIGHT_SHADOWS > 0\n		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n		struct PointLightShadow {\n			float shadowBias;\n			float shadowNormalBias;\n			float shadowRadius;\n			vec2 shadowMapSize;\n			float shadowCameraNear;\n			float shadowCameraFar;\n		};\n		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n	#endif\n#endif";
var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n	#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n		vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n		vec4 shadowWorldPosition;\n	#endif\n	#if NUM_DIR_LIGHT_SHADOWS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n		shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n		vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if NUM_SPOT_LIGHT_SHADOWS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n		shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n		vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if NUM_POINT_LIGHT_SHADOWS > 0\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n		shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n		vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n	}\n	#pragma unroll_loop_end\n	#endif\n#endif";
var shadowmask_pars_fragment = "float getShadowMask() {\n	float shadow = 1.0;\n	#ifdef USE_SHADOWMAP\n	#if NUM_DIR_LIGHT_SHADOWS > 0\n	DirectionalLightShadow directionalLight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n		directionalLight = directionalLightShadows[ i ];\n		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if NUM_SPOT_LIGHT_SHADOWS > 0\n	SpotLightShadow spotLight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n		spotLight = spotLightShadows[ i ];\n		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#if NUM_POINT_LIGHT_SHADOWS > 0\n	PointLightShadow pointLight;\n	#pragma unroll_loop_start\n	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n		pointLight = pointLightShadows[ i ];\n		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n	}\n	#pragma unroll_loop_end\n	#endif\n	#endif\n	return shadow;\n}";
var skinbase_vertex = "#ifdef USE_SKINNING\n	mat4 boneMatX = getBoneMatrix( skinIndex.x );\n	mat4 boneMatY = getBoneMatrix( skinIndex.y );\n	mat4 boneMatZ = getBoneMatrix( skinIndex.z );\n	mat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif";
var skinning_pars_vertex = "#ifdef USE_SKINNING\n	uniform mat4 bindMatrix;\n	uniform mat4 bindMatrixInverse;\n	#ifdef BONE_TEXTURE\n		uniform highp sampler2D boneTexture;\n		uniform int boneTextureSize;\n		mat4 getBoneMatrix( const in float i ) {\n			float j = i * 4.0;\n			float x = mod( j, float( boneTextureSize ) );\n			float y = floor( j / float( boneTextureSize ) );\n			float dx = 1.0 / float( boneTextureSize );\n			float dy = 1.0 / float( boneTextureSize );\n			y = dy * ( y + 0.5 );\n			vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n			vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n			vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n			vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n			mat4 bone = mat4( v1, v2, v3, v4 );\n			return bone;\n		}\n	#else\n		uniform mat4 boneMatrices[ MAX_BONES ];\n		mat4 getBoneMatrix( const in float i ) {\n			mat4 bone = boneMatrices[ int(i) ];\n			return bone;\n		}\n	#endif\n#endif";
var skinning_vertex = "#ifdef USE_SKINNING\n	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n	vec4 skinned = vec4( 0.0 );\n	skinned += boneMatX * skinVertex * skinWeight.x;\n	skinned += boneMatY * skinVertex * skinWeight.y;\n	skinned += boneMatZ * skinVertex * skinWeight.z;\n	skinned += boneMatW * skinVertex * skinWeight.w;\n	transformed = ( bindMatrixInverse * skinned ).xyz;\n#endif";
var skinnormal_vertex = "#ifdef USE_SKINNING\n	mat4 skinMatrix = mat4( 0.0 );\n	skinMatrix += skinWeight.x * boneMatX;\n	skinMatrix += skinWeight.y * boneMatY;\n	skinMatrix += skinWeight.z * boneMatZ;\n	skinMatrix += skinWeight.w * boneMatW;\n	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n	#ifdef USE_TANGENT\n		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n	#endif\n#endif";
var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n	vec4 texelSpecular = texture2D( specularMap, vUv );\n	specularStrength = texelSpecular.r;\n#else\n	specularStrength = 1.0;\n#endif";
var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n	uniform sampler2D specularMap;\n#endif";
var tonemapping_fragment = "#if defined( TONE_MAPPING )\n	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif";
var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n	return toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n	color *= toneMappingExposure;\n	return saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n	color *= toneMappingExposure;\n	color = max( vec3( 0.0 ), color - 0.004 );\n	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n	return a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n	const mat3 ACESInputMat = mat3(\n		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),\n		vec3( 0.04823, 0.01566, 0.83777 )\n	);\n	const mat3 ACESOutputMat = mat3(\n		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),\n		vec3( -0.07367, -0.00605,  1.07602 )\n	);\n	color *= toneMappingExposure / 0.6;\n	color = ACESInputMat * color;\n	color = RRTAndODTFit( color );\n	color = ACESOutputMat * color;\n	return saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }";
var transmission_fragment = "#ifdef USE_TRANSMISSION\n	float transmissionAlpha = 1.0;\n	float transmissionFactor = transmission;\n	float thicknessFactor = thickness;\n	#ifdef USE_TRANSMISSIONMAP\n		transmissionFactor *= texture2D( transmissionMap, vUv ).r;\n	#endif\n	#ifdef USE_THICKNESSMAP\n		thicknessFactor *= texture2D( thicknessMap, vUv ).g;\n	#endif\n	vec3 pos = vWorldPosition;\n	vec3 v = normalize( cameraPosition - pos );\n	vec3 n = inverseTransformDirection( normal, viewMatrix );\n	vec4 transmission = getIBLVolumeRefraction(\n		n, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n		pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n		attenuationTint, attenuationDistance );\n	totalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n	transmissionAlpha = transmission.a;\n#endif";
var transmission_pars_fragment = "#ifdef USE_TRANSMISSION\n	uniform float transmission;\n	uniform float thickness;\n	uniform float attenuationDistance;\n	uniform vec3 attenuationTint;\n	#ifdef USE_TRANSMISSIONMAP\n		uniform sampler2D transmissionMap;\n	#endif\n	#ifdef USE_THICKNESSMAP\n		uniform sampler2D thicknessMap;\n	#endif\n	uniform vec2 transmissionSamplerSize;\n	uniform sampler2D transmissionSamplerMap;\n	uniform mat4 modelMatrix;\n	uniform mat4 projectionMatrix;\n	varying vec3 vWorldPosition;\n	vec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\n		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n		vec3 modelScale;\n		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n		return normalize( refractionVector ) * thickness * modelScale;\n	}\n	float applyIorToRoughness( float roughness, float ior ) {\n		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n	}\n	vec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\n		float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n		#ifdef TEXTURE_LOD_EXT\n			return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n		#else\n			return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n		#endif\n	}\n	vec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\n		if ( attenuationDistance == 0.0 ) {\n			return radiance;\n		} else {\n			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance * radiance;\n		}\n	}\n	vec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\n		vec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\n		vec3 attenuationColor, float attenuationDistance ) {\n		vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n		vec3 refractedRayExit = position + transmissionRay;\n		vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n		vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n		refractionCoords += 1.0;\n		refractionCoords /= 2.0;\n		vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n		vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n		return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n	}\n#endif";
var uv_pars_fragment = "#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n	varying vec2 vUv;\n#endif";
var uv_pars_vertex = "#ifdef USE_UV\n	#ifdef UVS_VERTEX_ONLY\n		vec2 vUv;\n	#else\n		varying vec2 vUv;\n	#endif\n	uniform mat3 uvTransform;\n#endif";
var uv_vertex = "#ifdef USE_UV\n	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif";
var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n	varying vec2 vUv2;\n#endif";
var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n	attribute vec2 uv2;\n	varying vec2 vUv2;\n	uniform mat3 uv2Transform;\n#endif";
var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n	vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif";
var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n	vec4 worldPosition = vec4( transformed, 1.0 );\n	#ifdef USE_INSTANCING\n		worldPosition = instanceMatrix * worldPosition;\n	#endif\n	worldPosition = modelMatrix * worldPosition;\n#endif";
var background_frag = "uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n	vec4 texColor = texture2D( t2D, vUv );\n	gl_FragColor = mapTexelToLinear( texColor );\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}";
var background_vert = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n	gl_Position = vec4( position.xy, 1.0, 1.0 );\n}";
var cube_frag = "#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n	vec3 vReflect = vWorldDirection;\n	#include <envmap_fragment>\n	gl_FragColor = envColor;\n	gl_FragColor.a *= opacity;\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}";
var cube_vert = "varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n	vWorldDirection = transformDirection( position, modelMatrix );\n	#include <begin_vertex>\n	#include <project_vertex>\n	gl_Position.z = gl_Position.w;\n}";
var depth_frag = "#if DEPTH_PACKING == 3200\n	uniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( 1.0 );\n	#if DEPTH_PACKING == 3200\n		diffuseColor.a = opacity;\n	#endif\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <logdepthbuf_fragment>\n	float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n	#if DEPTH_PACKING == 3200\n		gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n	#elif DEPTH_PACKING == 3201\n		gl_FragColor = packDepthToRGBA( fragCoordZ );\n	#endif\n}";
var depth_vert = "#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n	#include <uv_vertex>\n	#include <skinbase_vertex>\n	#ifdef USE_DISPLACEMENTMAP\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vHighPrecisionZW = gl_Position.zw;\n}";
var distanceRGBA_frag = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( 1.0 );\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	float dist = length( vWorldPosition - referencePosition );\n	dist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n	dist = saturate( dist );\n	gl_FragColor = packDepthToRGBA( dist );\n}";
var distanceRGBA_vert = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <skinbase_vertex>\n	#ifdef USE_DISPLACEMENTMAP\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <worldpos_vertex>\n	#include <clipping_planes_vertex>\n	vWorldPosition = worldPosition.xyz;\n}";
var equirect_frag = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n	vec3 direction = normalize( vWorldDirection );\n	vec2 sampleUV = equirectUv( direction );\n	vec4 texColor = texture2D( tEquirect, sampleUV );\n	gl_FragColor = mapTexelToLinear( texColor );\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n}";
var equirect_vert = "varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n	vWorldDirection = transformDirection( position, modelMatrix );\n	#include <begin_vertex>\n	#include <project_vertex>\n}";
var linedashed_frag = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	if ( mod( vLineDistance, totalSize ) > dashSize ) {\n		discard;\n	}\n	vec3 outgoingLight = vec3( 0.0 );\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <color_fragment>\n	outgoingLight = diffuseColor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n}";
var linedashed_vert = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	vLineDistance = scale * lineDistance;\n	#include <color_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n}";
var meshbasic_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n	varying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	#ifdef USE_LIGHTMAP\n		vec4 lightMapTexel= texture2D( lightMap, vUv2 );\n		reflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n	#else\n		reflectedLight.indirectDiffuse += vec3( 1.0 );\n	#endif\n	#include <aomap_fragment>\n	reflectedLight.indirectDiffuse *= diffuseColor.rgb;\n	vec3 outgoingLight = reflectedLight.indirectDiffuse;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshbasic_vert = "#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n		#include <beginnormal_vertex>\n		#include <morphnormal_vertex>\n		#include <skinbase_vertex>\n		#include <skinnormal_vertex>\n		#include <defaultnormal_vertex>\n	#endif\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <fog_vertex>\n}";
var meshlambert_frag = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n	varying vec3 vLightBack;\n	varying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalEmissiveRadiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	#include <emissivemap_fragment>\n	#ifdef DOUBLE_SIDED\n		reflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n	#else\n		reflectedLight.indirectDiffuse += vIndirectFront;\n	#endif\n	#include <lightmap_fragment>\n	reflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n	#ifdef DOUBLE_SIDED\n		reflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n	#else\n		reflectedLight.directDiffuse = vLightFront;\n	#endif\n	reflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n	#include <aomap_fragment>\n	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshlambert_vert = "#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n	varying vec3 vLightBack;\n	varying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <lights_lambert_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}";
var meshmatcap_frag = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	vec3 viewDir = normalize( vViewPosition );\n	vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n	vec3 y = cross( viewDir, x );\n	vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n	#ifdef USE_MATCAP\n		vec4 matcapColor = texture2D( matcap, uv );\n		matcapColor = matcapTexelToLinear( matcapColor );\n	#else\n		vec4 matcapColor = vec4( 1.0 );\n	#endif\n	vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshmatcap_vert = "#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <color_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n	vViewPosition = - mvPosition.xyz;\n}";
var meshnormal_frag = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n	varying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	#include <logdepthbuf_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	gl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}";
var meshnormal_vert = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n	varying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n	vViewPosition = - mvPosition.xyz;\n#endif\n}";
var meshphong_frag = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalEmissiveRadiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <specularmap_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_phong_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n	#include <envmap_fragment>\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshphong_vert = "#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vViewPosition = - mvPosition.xyz;\n	#include <worldpos_vertex>\n	#include <envmap_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}";
var meshphysical_frag = "#define STANDARD\n#ifdef PHYSICAL\n	#define IOR\n	#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n	uniform float ior;\n#endif\n#ifdef SPECULAR\n	uniform float specularIntensity;\n	uniform vec3 specularTint;\n	#ifdef USE_SPECULARINTENSITYMAP\n		uniform sampler2D specularIntensityMap;\n	#endif\n	#ifdef USE_SPECULARTINTMAP\n		uniform sampler2D specularTintMap;\n	#endif\n#endif\n#ifdef USE_CLEARCOAT\n	uniform float clearcoat;\n	uniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n	uniform vec3 sheenTint;\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalEmissiveRadiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <roughnessmap_fragment>\n	#include <metalnessmap_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <clearcoat_normal_fragment_begin>\n	#include <clearcoat_normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_physical_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n	vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n	#include <transmission_fragment>\n	vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n	#ifdef USE_CLEARCOAT\n		float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n		vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n		outgoingLight = outgoingLight * ( 1.0 - clearcoat * Fcc ) + clearcoatSpecular * clearcoat;\n	#endif\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshphysical_vert = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n	varying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vViewPosition = - mvPosition.xyz;\n	#include <worldpos_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n	vWorldPosition = worldPosition.xyz;\n#endif\n}";
var meshtoon_frag = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n	vec3 totalEmissiveRadiance = emissive;\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <color_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	#include <normal_fragment_begin>\n	#include <normal_fragment_maps>\n	#include <emissivemap_fragment>\n	#include <lights_toon_fragment>\n	#include <lights_fragment_begin>\n	#include <lights_fragment_maps>\n	#include <lights_fragment_end>\n	#include <aomap_fragment>\n	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n	#include <dithering_fragment>\n}";
var meshtoon_vert = "#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	#include <uv2_vertex>\n	#include <color_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <normal_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <skinning_vertex>\n	#include <displacementmap_vertex>\n	#include <project_vertex>\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	vViewPosition = - mvPosition.xyz;\n	#include <worldpos_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}";
var points_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec3 outgoingLight = vec3( 0.0 );\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_particle_fragment>\n	#include <color_fragment>\n	#include <alphatest_fragment>\n	outgoingLight = diffuseColor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n	#include <premultiplied_alpha_fragment>\n}";
var points_vert = "uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <color_vertex>\n	#include <begin_vertex>\n	#include <morphtarget_vertex>\n	#include <project_vertex>\n	gl_PointSize = size;\n	#ifdef USE_SIZEATTENUATION\n		bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n		if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n	#endif\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <worldpos_vertex>\n	#include <fog_vertex>\n}";
var shadow_frag = "uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n	gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n}";
var shadow_vert = "#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n	#include <begin_vertex>\n	#include <project_vertex>\n	#include <worldpos_vertex>\n	#include <beginnormal_vertex>\n	#include <morphnormal_vertex>\n	#include <skinbase_vertex>\n	#include <skinnormal_vertex>\n	#include <defaultnormal_vertex>\n	#include <shadowmap_vertex>\n	#include <fog_vertex>\n}";
var sprite_frag = "uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n	#include <clipping_planes_fragment>\n	vec3 outgoingLight = vec3( 0.0 );\n	vec4 diffuseColor = vec4( diffuse, opacity );\n	#include <logdepthbuf_fragment>\n	#include <map_fragment>\n	#include <alphamap_fragment>\n	#include <alphatest_fragment>\n	outgoingLight = diffuseColor.rgb;\n	#include <output_fragment>\n	#include <tonemapping_fragment>\n	#include <encodings_fragment>\n	#include <fog_fragment>\n}";
var sprite_vert = "uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n	#include <uv_vertex>\n	vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n	vec2 scale;\n	scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n	scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n	#ifndef USE_SIZEATTENUATION\n		bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n		if ( isPerspective ) scale *= - mvPosition.z;\n	#endif\n	vec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n	vec2 rotatedPosition;\n	rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n	rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n	mvPosition.xy += rotatedPosition;\n	gl_Position = projectionMatrix * mvPosition;\n	#include <logdepthbuf_vertex>\n	#include <clipping_planes_vertex>\n	#include <fog_vertex>\n}";
var ShaderChunk = {
  alphamap_fragment,
  alphamap_pars_fragment,
  alphatest_fragment,
  alphatest_pars_fragment,
  aomap_fragment,
  aomap_pars_fragment,
  begin_vertex,
  beginnormal_vertex,
  bsdfs,
  bumpmap_pars_fragment,
  clipping_planes_fragment,
  clipping_planes_pars_fragment,
  clipping_planes_pars_vertex,
  clipping_planes_vertex,
  color_fragment,
  color_pars_fragment,
  color_pars_vertex,
  color_vertex,
  common,
  cube_uv_reflection_fragment,
  defaultnormal_vertex,
  displacementmap_pars_vertex,
  displacementmap_vertex,
  emissivemap_fragment,
  emissivemap_pars_fragment,
  encodings_fragment,
  encodings_pars_fragment,
  envmap_fragment,
  envmap_common_pars_fragment,
  envmap_pars_fragment,
  envmap_pars_vertex,
  envmap_physical_pars_fragment,
  envmap_vertex,
  fog_vertex,
  fog_pars_vertex,
  fog_fragment,
  fog_pars_fragment,
  gradientmap_pars_fragment,
  lightmap_fragment,
  lightmap_pars_fragment,
  lights_lambert_vertex,
  lights_pars_begin,
  lights_toon_fragment,
  lights_toon_pars_fragment,
  lights_phong_fragment,
  lights_phong_pars_fragment,
  lights_physical_fragment,
  lights_physical_pars_fragment,
  lights_fragment_begin,
  lights_fragment_maps,
  lights_fragment_end,
  logdepthbuf_fragment,
  logdepthbuf_pars_fragment,
  logdepthbuf_pars_vertex,
  logdepthbuf_vertex,
  map_fragment,
  map_pars_fragment,
  map_particle_fragment,
  map_particle_pars_fragment,
  metalnessmap_fragment,
  metalnessmap_pars_fragment,
  morphnormal_vertex,
  morphtarget_pars_vertex,
  morphtarget_vertex,
  normal_fragment_begin,
  normal_fragment_maps,
  normal_pars_fragment,
  normal_pars_vertex,
  normal_vertex,
  normalmap_pars_fragment,
  clearcoat_normal_fragment_begin,
  clearcoat_normal_fragment_maps,
  clearcoat_pars_fragment,
  output_fragment,
  packing,
  premultiplied_alpha_fragment,
  project_vertex,
  dithering_fragment,
  dithering_pars_fragment,
  roughnessmap_fragment,
  roughnessmap_pars_fragment,
  shadowmap_pars_fragment,
  shadowmap_pars_vertex,
  shadowmap_vertex,
  shadowmask_pars_fragment,
  skinbase_vertex,
  skinning_pars_vertex,
  skinning_vertex,
  skinnormal_vertex,
  specularmap_fragment,
  specularmap_pars_fragment,
  tonemapping_fragment,
  tonemapping_pars_fragment,
  transmission_fragment,
  transmission_pars_fragment,
  uv_pars_fragment,
  uv_pars_vertex,
  uv_vertex,
  uv2_pars_fragment,
  uv2_pars_vertex,
  uv2_vertex,
  worldpos_vertex,
  background_frag,
  background_vert,
  cube_frag,
  cube_vert,
  depth_frag,
  depth_vert,
  distanceRGBA_frag,
  distanceRGBA_vert,
  equirect_frag,
  equirect_vert,
  linedashed_frag,
  linedashed_vert,
  meshbasic_frag,
  meshbasic_vert,
  meshlambert_frag,
  meshlambert_vert,
  meshmatcap_frag,
  meshmatcap_vert,
  meshnormal_frag,
  meshnormal_vert,
  meshphong_frag,
  meshphong_vert,
  meshphysical_frag,
  meshphysical_vert,
  meshtoon_frag,
  meshtoon_vert,
  points_frag,
  points_vert,
  shadow_frag,
  shadow_vert,
  sprite_frag,
  sprite_vert
};
var UniformsLib = {
  common: {
    diffuse: { value: new Color(16777215) },
    opacity: { value: 1 },
    map: { value: null },
    uvTransform: { value: new Matrix3() },
    uv2Transform: { value: new Matrix3() },
    alphaMap: { value: null },
    alphaTest: { value: 0 }
  },
  specularmap: {
    specularMap: { value: null }
  },
  envmap: {
    envMap: { value: null },
    flipEnvMap: { value: -1 },
    reflectivity: { value: 1 },
    ior: { value: 1.5 },
    refractionRatio: { value: 0.98 },
    maxMipLevel: { value: 0 }
  },
  aomap: {
    aoMap: { value: null },
    aoMapIntensity: { value: 1 }
  },
  lightmap: {
    lightMap: { value: null },
    lightMapIntensity: { value: 1 }
  },
  emissivemap: {
    emissiveMap: { value: null }
  },
  bumpmap: {
    bumpMap: { value: null },
    bumpScale: { value: 1 }
  },
  normalmap: {
    normalMap: { value: null },
    normalScale: { value: new Vector2(1, 1) }
  },
  displacementmap: {
    displacementMap: { value: null },
    displacementScale: { value: 1 },
    displacementBias: { value: 0 }
  },
  roughnessmap: {
    roughnessMap: { value: null }
  },
  metalnessmap: {
    metalnessMap: { value: null }
  },
  gradientmap: {
    gradientMap: { value: null }
  },
  fog: {
    fogDensity: { value: 25e-5 },
    fogNear: { value: 1 },
    fogFar: { value: 2e3 },
    fogColor: { value: new Color(16777215) }
  },
  lights: {
    ambientLightColor: { value: [] },
    lightProbe: { value: [] },
    directionalLights: { value: [], properties: {
      direction: {},
      color: {}
    } },
    directionalLightShadows: { value: [], properties: {
      shadowBias: {},
      shadowNormalBias: {},
      shadowRadius: {},
      shadowMapSize: {}
    } },
    directionalShadowMap: { value: [] },
    directionalShadowMatrix: { value: [] },
    spotLights: { value: [], properties: {
      color: {},
      position: {},
      direction: {},
      distance: {},
      coneCos: {},
      penumbraCos: {},
      decay: {}
    } },
    spotLightShadows: { value: [], properties: {
      shadowBias: {},
      shadowNormalBias: {},
      shadowRadius: {},
      shadowMapSize: {}
    } },
    spotShadowMap: { value: [] },
    spotShadowMatrix: { value: [] },
    pointLights: { value: [], properties: {
      color: {},
      position: {},
      decay: {},
      distance: {}
    } },
    pointLightShadows: { value: [], properties: {
      shadowBias: {},
      shadowNormalBias: {},
      shadowRadius: {},
      shadowMapSize: {},
      shadowCameraNear: {},
      shadowCameraFar: {}
    } },
    pointShadowMap: { value: [] },
    pointShadowMatrix: { value: [] },
    hemisphereLights: { value: [], properties: {
      direction: {},
      skyColor: {},
      groundColor: {}
    } },
    rectAreaLights: { value: [], properties: {
      color: {},
      position: {},
      width: {},
      height: {}
    } },
    ltc_1: { value: null },
    ltc_2: { value: null }
  },
  points: {
    diffuse: { value: new Color(16777215) },
    opacity: { value: 1 },
    size: { value: 1 },
    scale: { value: 1 },
    map: { value: null },
    alphaMap: { value: null },
    alphaTest: { value: 0 },
    uvTransform: { value: new Matrix3() }
  },
  sprite: {
    diffuse: { value: new Color(16777215) },
    opacity: { value: 1 },
    center: { value: new Vector2(0.5, 0.5) },
    rotation: { value: 0 },
    map: { value: null },
    alphaMap: { value: null },
    alphaTest: { value: 0 },
    uvTransform: { value: new Matrix3() }
  }
};
var ShaderLib = {
  basic: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.specularmap,
      UniformsLib.envmap,
      UniformsLib.aomap,
      UniformsLib.lightmap,
      UniformsLib.fog
    ]),
    vertexShader: ShaderChunk.meshbasic_vert,
    fragmentShader: ShaderChunk.meshbasic_frag
  },
  lambert: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.specularmap,
      UniformsLib.envmap,
      UniformsLib.aomap,
      UniformsLib.lightmap,
      UniformsLib.emissivemap,
      UniformsLib.fog,
      UniformsLib.lights,
      {
        emissive: { value: new Color(0) }
      }
    ]),
    vertexShader: ShaderChunk.meshlambert_vert,
    fragmentShader: ShaderChunk.meshlambert_frag
  },
  phong: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.specularmap,
      UniformsLib.envmap,
      UniformsLib.aomap,
      UniformsLib.lightmap,
      UniformsLib.emissivemap,
      UniformsLib.bumpmap,
      UniformsLib.normalmap,
      UniformsLib.displacementmap,
      UniformsLib.fog,
      UniformsLib.lights,
      {
        emissive: { value: new Color(0) },
        specular: { value: new Color(1118481) },
        shininess: { value: 30 }
      }
    ]),
    vertexShader: ShaderChunk.meshphong_vert,
    fragmentShader: ShaderChunk.meshphong_frag
  },
  standard: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.envmap,
      UniformsLib.aomap,
      UniformsLib.lightmap,
      UniformsLib.emissivemap,
      UniformsLib.bumpmap,
      UniformsLib.normalmap,
      UniformsLib.displacementmap,
      UniformsLib.roughnessmap,
      UniformsLib.metalnessmap,
      UniformsLib.fog,
      UniformsLib.lights,
      {
        emissive: { value: new Color(0) },
        roughness: { value: 1 },
        metalness: { value: 0 },
        envMapIntensity: { value: 1 }
      }
    ]),
    vertexShader: ShaderChunk.meshphysical_vert,
    fragmentShader: ShaderChunk.meshphysical_frag
  },
  toon: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.aomap,
      UniformsLib.lightmap,
      UniformsLib.emissivemap,
      UniformsLib.bumpmap,
      UniformsLib.normalmap,
      UniformsLib.displacementmap,
      UniformsLib.gradientmap,
      UniformsLib.fog,
      UniformsLib.lights,
      {
        emissive: { value: new Color(0) }
      }
    ]),
    vertexShader: ShaderChunk.meshtoon_vert,
    fragmentShader: ShaderChunk.meshtoon_frag
  },
  matcap: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.bumpmap,
      UniformsLib.normalmap,
      UniformsLib.displacementmap,
      UniformsLib.fog,
      {
        matcap: { value: null }
      }
    ]),
    vertexShader: ShaderChunk.meshmatcap_vert,
    fragmentShader: ShaderChunk.meshmatcap_frag
  },
  points: {
    uniforms: mergeUniforms([
      UniformsLib.points,
      UniformsLib.fog
    ]),
    vertexShader: ShaderChunk.points_vert,
    fragmentShader: ShaderChunk.points_frag
  },
  dashed: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.fog,
      {
        scale: { value: 1 },
        dashSize: { value: 1 },
        totalSize: { value: 2 }
      }
    ]),
    vertexShader: ShaderChunk.linedashed_vert,
    fragmentShader: ShaderChunk.linedashed_frag
  },
  depth: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.displacementmap
    ]),
    vertexShader: ShaderChunk.depth_vert,
    fragmentShader: ShaderChunk.depth_frag
  },
  normal: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.bumpmap,
      UniformsLib.normalmap,
      UniformsLib.displacementmap,
      {
        opacity: { value: 1 }
      }
    ]),
    vertexShader: ShaderChunk.meshnormal_vert,
    fragmentShader: ShaderChunk.meshnormal_frag
  },
  sprite: {
    uniforms: mergeUniforms([
      UniformsLib.sprite,
      UniformsLib.fog
    ]),
    vertexShader: ShaderChunk.sprite_vert,
    fragmentShader: ShaderChunk.sprite_frag
  },
  background: {
    uniforms: {
      uvTransform: { value: new Matrix3() },
      t2D: { value: null }
    },
    vertexShader: ShaderChunk.background_vert,
    fragmentShader: ShaderChunk.background_frag
  },
  cube: {
    uniforms: mergeUniforms([
      UniformsLib.envmap,
      {
        opacity: { value: 1 }
      }
    ]),
    vertexShader: ShaderChunk.cube_vert,
    fragmentShader: ShaderChunk.cube_frag
  },
  equirect: {
    uniforms: {
      tEquirect: { value: null }
    },
    vertexShader: ShaderChunk.equirect_vert,
    fragmentShader: ShaderChunk.equirect_frag
  },
  distanceRGBA: {
    uniforms: mergeUniforms([
      UniformsLib.common,
      UniformsLib.displacementmap,
      {
        referencePosition: { value: new Vector3() },
        nearDistance: { value: 1 },
        farDistance: { value: 1e3 }
      }
    ]),
    vertexShader: ShaderChunk.distanceRGBA_vert,
    fragmentShader: ShaderChunk.distanceRGBA_frag
  },
  shadow: {
    uniforms: mergeUniforms([
      UniformsLib.lights,
      UniformsLib.fog,
      {
        color: { value: new Color(0) },
        opacity: { value: 1 }
      }
    ]),
    vertexShader: ShaderChunk.shadow_vert,
    fragmentShader: ShaderChunk.shadow_frag
  }
};
ShaderLib.physical = {
  uniforms: mergeUniforms([
    ShaderLib.standard.uniforms,
    {
      clearcoat: { value: 0 },
      clearcoatMap: { value: null },
      clearcoatRoughness: { value: 0 },
      clearcoatRoughnessMap: { value: null },
      clearcoatNormalScale: { value: new Vector2(1, 1) },
      clearcoatNormalMap: { value: null },
      sheenTint: { value: new Color(0) },
      transmission: { value: 0 },
      transmissionMap: { value: null },
      transmissionSamplerSize: { value: new Vector2() },
      transmissionSamplerMap: { value: null },
      thickness: { value: 0 },
      thicknessMap: { value: null },
      attenuationDistance: { value: 0 },
      attenuationTint: { value: new Color(0) },
      specularIntensity: { value: 0 },
      specularIntensityMap: { value: null },
      specularTint: { value: new Color(1, 1, 1) },
      specularTintMap: { value: null }
    }
  ]),
  vertexShader: ShaderChunk.meshphysical_vert,
  fragmentShader: ShaderChunk.meshphysical_frag
};
function WebGLBackground(renderer, cubemaps, state, objects, premultipliedAlpha) {
  const clearColor = new Color(0);
  let clearAlpha = 0;
  let planeMesh;
  let boxMesh;
  let currentBackground = null;
  let currentBackgroundVersion = 0;
  let currentTonemapping = null;
  function render(renderList, scene) {
    let forceClear = false;
    let background = scene.isScene === true ? scene.background : null;
    if (background && background.isTexture) {
      background = cubemaps.get(background);
    }
    const xr = renderer.xr;
    const session = xr.getSession && xr.getSession();
    if (session && session.environmentBlendMode === "additive") {
      background = null;
    }
    if (background === null) {
      setClear(clearColor, clearAlpha);
    } else if (background && background.isColor) {
      setClear(background, 1);
      forceClear = true;
    }
    if (renderer.autoClear || forceClear) {
      renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil);
    }
    if (background && (background.isCubeTexture || background.mapping === CubeUVReflectionMapping)) {
      if (boxMesh === void 0) {
        boxMesh = new Mesh(new BoxGeometry(1, 1, 1), new ShaderMaterial({
          name: "BackgroundCubeMaterial",
          uniforms: cloneUniforms(ShaderLib.cube.uniforms),
          vertexShader: ShaderLib.cube.vertexShader,
          fragmentShader: ShaderLib.cube.fragmentShader,
          side: BackSide,
          depthTest: false,
          depthWrite: false,
          fog: false
        }));
        boxMesh.geometry.deleteAttribute("normal");
        boxMesh.geometry.deleteAttribute("uv");
        boxMesh.onBeforeRender = function(renderer2, scene2, camera) {
          this.matrixWorld.copyPosition(camera.matrixWorld);
        };
        Object.defineProperty(boxMesh.material, "envMap", {
          get: function() {
            return this.uniforms.envMap.value;
          }
        });
        objects.update(boxMesh);
      }
      boxMesh.material.uniforms.envMap.value = background;
      boxMesh.material.uniforms.flipEnvMap.value = background.isCubeTexture && background.isRenderTargetTexture === false ? -1 : 1;
      if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) {
        boxMesh.material.needsUpdate = true;
        currentBackground = background;
        currentBackgroundVersion = background.version;
        currentTonemapping = renderer.toneMapping;
      }
      renderList.unshift(boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null);
    } else if (background && background.isTexture) {
      if (planeMesh === void 0) {
        planeMesh = new Mesh(new PlaneGeometry(2, 2), new ShaderMaterial({
          name: "BackgroundMaterial",
          uniforms: cloneUniforms(ShaderLib.background.uniforms),
          vertexShader: ShaderLib.background.vertexShader,
          fragmentShader: ShaderLib.background.fragmentShader,
          side: FrontSide,
          depthTest: false,
          depthWrite: false,
          fog: false
        }));
        planeMesh.geometry.deleteAttribute("normal");
        Object.defineProperty(planeMesh.material, "map", {
          get: function() {
            return this.uniforms.t2D.value;
          }
        });
        objects.update(planeMesh);
      }
      planeMesh.material.uniforms.t2D.value = background;
      if (background.matrixAutoUpdate === true) {
        background.updateMatrix();
      }
      planeMesh.material.uniforms.uvTransform.value.copy(background.matrix);
      if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) {
        planeMesh.material.needsUpdate = true;
        currentBackground = background;
        currentBackgroundVersion = background.version;
        currentTonemapping = renderer.toneMapping;
      }
      renderList.unshift(planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null);
    }
  }
  function setClear(color, alpha) {
    state.buffers.color.setClear(color.r, color.g, color.b, alpha, premultipliedAlpha);
  }
  return {
    getClearColor: function() {
      return clearColor;
    },
    setClearColor: function(color, alpha = 1) {
      clearColor.set(color);
      clearAlpha = alpha;
      setClear(clearColor, clearAlpha);
    },
    getClearAlpha: function() {
      return clearAlpha;
    },
    setClearAlpha: function(alpha) {
      clearAlpha = alpha;
      setClear(clearColor, clearAlpha);
    },
    render
  };
}
function WebGLBindingStates(gl, extensions, attributes, capabilities) {
  const maxVertexAttributes = gl.getParameter(34921);
  const extension = capabilities.isWebGL2 ? null : extensions.get("OES_vertex_array_object");
  const vaoAvailable = capabilities.isWebGL2 || extension !== null;
  const bindingStates = {};
  const defaultState = createBindingState(null);
  let currentState = defaultState;
  function setup(object, material, program, geometry, index) {
    let updateBuffers = false;
    if (vaoAvailable) {
      const state = getBindingState(geometry, program, material);
      if (currentState !== state) {
        currentState = state;
        bindVertexArrayObject(currentState.object);
      }
      updateBuffers = needsUpdate(geometry, index);
      if (updateBuffers)
        saveCache(geometry, index);
    } else {
      const wireframe = material.wireframe === true;
      if (currentState.geometry !== geometry.id || currentState.program !== program.id || currentState.wireframe !== wireframe) {
        currentState.geometry = geometry.id;
        currentState.program = program.id;
        currentState.wireframe = wireframe;
        updateBuffers = true;
      }
    }
    if (object.isInstancedMesh === true) {
      updateBuffers = true;
    }
    if (index !== null) {
      attributes.update(index, 34963);
    }
    if (updateBuffers) {
      setupVertexAttributes(object, material, program, geometry);
      if (index !== null) {
        gl.bindBuffer(34963, attributes.get(index).buffer);
      }
    }
  }
  function createVertexArrayObject() {
    if (capabilities.isWebGL2)
      return gl.createVertexArray();
    return extension.createVertexArrayOES();
  }
  function bindVertexArrayObject(vao) {
    if (capabilities.isWebGL2)
      return gl.bindVertexArray(vao);
    return extension.bindVertexArrayOES(vao);
  }
  function deleteVertexArrayObject(vao) {
    if (capabilities.isWebGL2)
      return gl.deleteVertexArray(vao);
    return extension.deleteVertexArrayOES(vao);
  }
  function getBindingState(geometry, program, material) {
    const wireframe = material.wireframe === true;
    let programMap = bindingStates[geometry.id];
    if (programMap === void 0) {
      programMap = {};
      bindingStates[geometry.id] = programMap;
    }
    let stateMap = programMap[program.id];
    if (stateMap === void 0) {
      stateMap = {};
      programMap[program.id] = stateMap;
    }
    let state = stateMap[wireframe];
    if (state === void 0) {
      state = createBindingState(createVertexArrayObject());
      stateMap[wireframe] = state;
    }
    return state;
  }
  function createBindingState(vao) {
    const newAttributes = [];
    const enabledAttributes = [];
    const attributeDivisors = [];
    for (let i = 0; i < maxVertexAttributes; i++) {
      newAttributes[i] = 0;
      enabledAttributes[i] = 0;
      attributeDivisors[i] = 0;
    }
    return {
      geometry: null,
      program: null,
      wireframe: false,
      newAttributes,
      enabledAttributes,
      attributeDivisors,
      object: vao,
      attributes: {},
      index: null
    };
  }
  function needsUpdate(geometry, index) {
    const cachedAttributes = currentState.attributes;
    const geometryAttributes = geometry.attributes;
    let attributesNum = 0;
    for (const key in geometryAttributes) {
      const cachedAttribute = cachedAttributes[key];
      const geometryAttribute = geometryAttributes[key];
      if (cachedAttribute === void 0)
        return true;
      if (cachedAttribute.attribute !== geometryAttribute)
        return true;
      if (cachedAttribute.data !== geometryAttribute.data)
        return true;
      attributesNum++;
    }
    if (currentState.attributesNum !== attributesNum)
      return true;
    if (currentState.index !== index)
      return true;
    return false;
  }
  function saveCache(geometry, index) {
    const cache = {};
    const attributes2 = geometry.attributes;
    let attributesNum = 0;
    for (const key in attributes2) {
      const attribute = attributes2[key];
      const data = {};
      data.attribute = attribute;
      if (attribute.data) {
        data.data = attribute.data;
      }
      cache[key] = data;
      attributesNum++;
    }
    currentState.attributes = cache;
    currentState.attributesNum = attributesNum;
    currentState.index = index;
  }
  function initAttributes() {
    const newAttributes = currentState.newAttributes;
    for (let i = 0, il = newAttributes.length; i < il; i++) {
      newAttributes[i] = 0;
    }
  }
  function enableAttribute(attribute) {
    enableAttributeAndDivisor(attribute, 0);
  }
  function enableAttributeAndDivisor(attribute, meshPerAttribute) {
    const newAttributes = currentState.newAttributes;
    const enabledAttributes = currentState.enabledAttributes;
    const attributeDivisors = currentState.attributeDivisors;
    newAttributes[attribute] = 1;
    if (enabledAttributes[attribute] === 0) {
      gl.enableVertexAttribArray(attribute);
      enabledAttributes[attribute] = 1;
    }
    if (attributeDivisors[attribute] !== meshPerAttribute) {
      const extension2 = capabilities.isWebGL2 ? gl : extensions.get("ANGLE_instanced_arrays");
      extension2[capabilities.isWebGL2 ? "vertexAttribDivisor" : "vertexAttribDivisorANGLE"](attribute, meshPerAttribute);
      attributeDivisors[attribute] = meshPerAttribute;
    }
  }
  function disableUnusedAttributes() {
    const newAttributes = currentState.newAttributes;
    const enabledAttributes = currentState.enabledAttributes;
    for (let i = 0, il = enabledAttributes.length; i < il; i++) {
      if (enabledAttributes[i] !== newAttributes[i]) {
        gl.disableVertexAttribArray(i);
        enabledAttributes[i] = 0;
      }
    }
  }
  function vertexAttribPointer(index, size, type, normalized, stride, offset) {
    if (capabilities.isWebGL2 === true && (type === 5124 || type === 5125)) {
      gl.vertexAttribIPointer(index, size, type, stride, offset);
    } else {
      gl.vertexAttribPointer(index, size, type, normalized, stride, offset);
    }
  }
  function setupVertexAttributes(object, material, program, geometry) {
    if (capabilities.isWebGL2 === false && (object.isInstancedMesh || geometry.isInstancedBufferGeometry)) {
      if (extensions.get("ANGLE_instanced_arrays") === null)
        return;
    }
    initAttributes();
    const geometryAttributes = geometry.attributes;
    const programAttributes = program.getAttributes();
    const materialDefaultAttributeValues = material.defaultAttributeValues;
    for (const name in programAttributes) {
      const programAttribute = programAttributes[name];
      if (programAttribute.location >= 0) {
        let geometryAttribute = geometryAttributes[name];
        if (geometryAttribute === void 0) {
          if (name === "instanceMatrix" && object.instanceMatrix)
            geometryAttribute = object.instanceMatrix;
          if (name === "instanceColor" && object.instanceColor)
            geometryAttribute = object.instanceColor;
        }
        if (geometryAttribute !== void 0) {
          const normalized = geometryAttribute.normalized;
          const size = geometryAttribute.itemSize;
          const attribute = attributes.get(geometryAttribute);
          if (attribute === void 0)
            continue;
          const buffer = attribute.buffer;
          const type = attribute.type;
          const bytesPerElement = attribute.bytesPerElement;
          if (geometryAttribute.isInterleavedBufferAttribute) {
            const data = geometryAttribute.data;
            const stride = data.stride;
            const offset = geometryAttribute.offset;
            if (data && data.isInstancedInterleavedBuffer) {
              for (let i = 0; i < programAttribute.locationSize; i++) {
                enableAttributeAndDivisor(programAttribute.location + i, data.meshPerAttribute);
              }
              if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) {
                geometry._maxInstanceCount = data.meshPerAttribute * data.count;
              }
            } else {
              for (let i = 0; i < programAttribute.locationSize; i++) {
                enableAttribute(programAttribute.location + i);
              }
            }
            gl.bindBuffer(34962, buffer);
            for (let i = 0; i < programAttribute.locationSize; i++) {
              vertexAttribPointer(programAttribute.location + i, size / programAttribute.locationSize, type, normalized, stride * bytesPerElement, (offset + size / programAttribute.locationSize * i) * bytesPerElement);
            }
          } else {
            if (geometryAttribute.isInstancedBufferAttribute) {
              for (let i = 0; i < programAttribute.locationSize; i++) {
                enableAttributeAndDivisor(programAttribute.location + i, geometryAttribute.meshPerAttribute);
              }
              if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) {
                geometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;
              }
            } else {
              for (let i = 0; i < programAttribute.locationSize; i++) {
                enableAttribute(programAttribute.location + i);
              }
            }
            gl.bindBuffer(34962, buffer);
            for (let i = 0; i < programAttribute.locationSize; i++) {
              vertexAttribPointer(programAttribute.location + i, size / programAttribute.locationSize, type, normalized, size * bytesPerElement, size / programAttribute.locationSize * i * bytesPerElement);
            }
          }
        } else if (materialDefaultAttributeValues !== void 0) {
          const value = materialDefaultAttributeValues[name];
          if (value !== void 0) {
            switch (value.length) {
              case 2:
                gl.vertexAttrib2fv(programAttribute.location, value);
                break;
              case 3:
                gl.vertexAttrib3fv(programAttribute.location, value);
                break;
              case 4:
                gl.vertexAttrib4fv(programAttribute.location, value);
                break;
              default:
                gl.vertexAttrib1fv(programAttribute.location, value);
            }
          }
        }
      }
    }
    disableUnusedAttributes();
  }
  function dispose() {
    reset();
    for (const geometryId in bindingStates) {
      const programMap = bindingStates[geometryId];
      for (const programId in programMap) {
        const stateMap = programMap[programId];
        for (const wireframe in stateMap) {
          deleteVertexArrayObject(stateMap[wireframe].object);
          delete stateMap[wireframe];
        }
        delete programMap[programId];
      }
      delete bindingStates[geometryId];
    }
  }
  function releaseStatesOfGeometry(geometry) {
    if (bindingStates[geometry.id] === void 0)
      return;
    const programMap = bindingStates[geometry.id];
    for (const programId in programMap) {
      const stateMap = programMap[programId];
      for (const wireframe in stateMap) {
        deleteVertexArrayObject(stateMap[wireframe].object);
        delete stateMap[wireframe];
      }
      delete programMap[programId];
    }
    delete bindingStates[geometry.id];
  }
  function releaseStatesOfProgram(program) {
    for (const geometryId in bindingStates) {
      const programMap = bindingStates[geometryId];
      if (programMap[program.id] === void 0)
        continue;
      const stateMap = programMap[program.id];
      for (const wireframe in stateMap) {
        deleteVertexArrayObject(stateMap[wireframe].object);
        delete stateMap[wireframe];
      }
      delete programMap[program.id];
    }
  }
  function reset() {
    resetDefaultState();
    if (currentState === defaultState)
      return;
    currentState = defaultState;
    bindVertexArrayObject(currentState.object);
  }
  function resetDefaultState() {
    defaultState.geometry = null;
    defaultState.program = null;
    defaultState.wireframe = false;
  }
  return {
    setup,
    reset,
    resetDefaultState,
    dispose,
    releaseStatesOfGeometry,
    releaseStatesOfProgram,
    initAttributes,
    enableAttribute,
    disableUnusedAttributes
  };
}
function WebGLBufferRenderer(gl, extensions, info, capabilities) {
  const isWebGL2 = capabilities.isWebGL2;
  let mode;
  function setMode(value) {
    mode = value;
  }
  function render(start, count) {
    gl.drawArrays(mode, start, count);
    info.update(count, mode, 1);
  }
  function renderInstances(start, count, primcount) {
    if (primcount === 0)
      return;
    let extension, methodName;
    if (isWebGL2) {
      extension = gl;
      methodName = "drawArraysInstanced";
    } else {
      extension = extensions.get("ANGLE_instanced_arrays");
      methodName = "drawArraysInstancedANGLE";
      if (extension === null) {
        console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");
        return;
      }
    }
    extension[methodName](mode, start, count, primcount);
    info.update(count, mode, primcount);
  }
  this.setMode = setMode;
  this.render = render;
  this.renderInstances = renderInstances;
}
function WebGLCapabilities(gl, extensions, parameters) {
  let maxAnisotropy;
  function getMaxAnisotropy() {
    if (maxAnisotropy !== void 0)
      return maxAnisotropy;
    if (extensions.has("EXT_texture_filter_anisotropic") === true) {
      const extension = extensions.get("EXT_texture_filter_anisotropic");
      maxAnisotropy = gl.getParameter(extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT);
    } else {
      maxAnisotropy = 0;
    }
    return maxAnisotropy;
  }
  function getMaxPrecision(precision2) {
    if (precision2 === "highp") {
      if (gl.getShaderPrecisionFormat(35633, 36338).precision > 0 && gl.getShaderPrecisionFormat(35632, 36338).precision > 0) {
        return "highp";
      }
      precision2 = "mediump";
    }
    if (precision2 === "mediump") {
      if (gl.getShaderPrecisionFormat(35633, 36337).precision > 0 && gl.getShaderPrecisionFormat(35632, 36337).precision > 0) {
        return "mediump";
      }
    }
    return "lowp";
  }
  const isWebGL2 = typeof WebGL2RenderingContext !== "undefined" && gl instanceof WebGL2RenderingContext || typeof WebGL2ComputeRenderingContext !== "undefined" && gl instanceof WebGL2ComputeRenderingContext;
  let precision = parameters.precision !== void 0 ? parameters.precision : "highp";
  const maxPrecision = getMaxPrecision(precision);
  if (maxPrecision !== precision) {
    console.warn("THREE.WebGLRenderer:", precision, "not supported, using", maxPrecision, "instead.");
    precision = maxPrecision;
  }
  const drawBuffers = isWebGL2 || extensions.has("WEBGL_draw_buffers");
  const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;
  const maxTextures = gl.getParameter(34930);
  const maxVertexTextures = gl.getParameter(35660);
  const maxTextureSize = gl.getParameter(3379);
  const maxCubemapSize = gl.getParameter(34076);
  const maxAttributes = gl.getParameter(34921);
  const maxVertexUniforms = gl.getParameter(36347);
  const maxVaryings = gl.getParameter(36348);
  const maxFragmentUniforms = gl.getParameter(36349);
  const vertexTextures = maxVertexTextures > 0;
  const floatFragmentTextures = isWebGL2 || extensions.has("OES_texture_float");
  const floatVertexTextures = vertexTextures && floatFragmentTextures;
  const maxSamples = isWebGL2 ? gl.getParameter(36183) : 0;
  return {
    isWebGL2,
    drawBuffers,
    getMaxAnisotropy,
    getMaxPrecision,
    precision,
    logarithmicDepthBuffer,
    maxTextures,
    maxVertexTextures,
    maxTextureSize,
    maxCubemapSize,
    maxAttributes,
    maxVertexUniforms,
    maxVaryings,
    maxFragmentUniforms,
    vertexTextures,
    floatFragmentTextures,
    floatVertexTextures,
    maxSamples
  };
}
function WebGLClipping(properties) {
  const scope = this;
  let globalState = null, numGlobalPlanes = 0, localClippingEnabled = false, renderingShadows = false;
  const plane = new Plane(), viewNormalMatrix = new Matrix3(), uniform = { value: null, needsUpdate: false };
  this.uniform = uniform;
  this.numPlanes = 0;
  this.numIntersection = 0;
  this.init = function(planes, enableLocalClipping, camera) {
    const enabled = planes.length !== 0 || enableLocalClipping || numGlobalPlanes !== 0 || localClippingEnabled;
    localClippingEnabled = enableLocalClipping;
    globalState = projectPlanes(planes, camera, 0);
    numGlobalPlanes = planes.length;
    return enabled;
  };
  this.beginShadows = function() {
    renderingShadows = true;
    projectPlanes(null);
  };
  this.endShadows = function() {
    renderingShadows = false;
    resetGlobalState();
  };
  this.setState = function(material, camera, useCache) {
    const planes = material.clippingPlanes, clipIntersection = material.clipIntersection, clipShadows = material.clipShadows;
    const materialProperties = properties.get(material);
    if (!localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && !clipShadows) {
      if (renderingShadows) {
        projectPlanes(null);
      } else {
        resetGlobalState();
      }
    } else {
      const nGlobal = renderingShadows ? 0 : numGlobalPlanes, lGlobal = nGlobal * 4;
      let dstArray = materialProperties.clippingState || null;
      uniform.value = dstArray;
      dstArray = projectPlanes(planes, camera, lGlobal, useCache);
      for (let i = 0; i !== lGlobal; ++i) {
        dstArray[i] = globalState[i];
      }
      materialProperties.clippingState = dstArray;
      this.numIntersection = clipIntersection ? this.numPlanes : 0;
      this.numPlanes += nGlobal;
    }
  };
  function resetGlobalState() {
    if (uniform.value !== globalState) {
      uniform.value = globalState;
      uniform.needsUpdate = numGlobalPlanes > 0;
    }
    scope.numPlanes = numGlobalPlanes;
    scope.numIntersection = 0;
  }
  function projectPlanes(planes, camera, dstOffset, skipTransform) {
    const nPlanes = planes !== null ? planes.length : 0;
    let dstArray = null;
    if (nPlanes !== 0) {
      dstArray = uniform.value;
      if (skipTransform !== true || dstArray === null) {
        const flatSize = dstOffset + nPlanes * 4, viewMatrix = camera.matrixWorldInverse;
        viewNormalMatrix.getNormalMatrix(viewMatrix);
        if (dstArray === null || dstArray.length < flatSize) {
          dstArray = new Float32Array(flatSize);
        }
        for (let i = 0, i4 = dstOffset; i !== nPlanes; ++i, i4 += 4) {
          plane.copy(planes[i]).applyMatrix4(viewMatrix, viewNormalMatrix);
          plane.normal.toArray(dstArray, i4);
          dstArray[i4 + 3] = plane.constant;
        }
      }
      uniform.value = dstArray;
      uniform.needsUpdate = true;
    }
    scope.numPlanes = nPlanes;
    scope.numIntersection = 0;
    return dstArray;
  }
}
function WebGLCubeMaps(renderer) {
  let cubemaps = new WeakMap();
  function mapTextureMapping(texture, mapping) {
    if (mapping === EquirectangularReflectionMapping) {
      texture.mapping = CubeReflectionMapping;
    } else if (mapping === EquirectangularRefractionMapping) {
      texture.mapping = CubeRefractionMapping;
    }
    return texture;
  }
  function get(texture) {
    if (texture && texture.isTexture && texture.isRenderTargetTexture === false) {
      const mapping = texture.mapping;
      if (mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping) {
        if (cubemaps.has(texture)) {
          const cubemap = cubemaps.get(texture).texture;
          return mapTextureMapping(cubemap, texture.mapping);
        } else {
          const image = texture.image;
          if (image && image.height > 0) {
            const currentRenderTarget = renderer.getRenderTarget();
            const renderTarget = new WebGLCubeRenderTarget(image.height / 2);
            renderTarget.fromEquirectangularTexture(renderer, texture);
            cubemaps.set(texture, renderTarget);
            renderer.setRenderTarget(currentRenderTarget);
            texture.addEventListener("dispose", onTextureDispose);
            return mapTextureMapping(renderTarget.texture, texture.mapping);
          } else {
            return null;
          }
        }
      }
    }
    return texture;
  }
  function onTextureDispose(event) {
    const texture = event.target;
    texture.removeEventListener("dispose", onTextureDispose);
    const cubemap = cubemaps.get(texture);
    if (cubemap !== void 0) {
      cubemaps.delete(texture);
      cubemap.dispose();
    }
  }
  function dispose() {
    cubemaps = new WeakMap();
  }
  return {
    get,
    dispose
  };
}
var OrthographicCamera = class extends Camera {
  constructor(left = -1, right = 1, top = 1, bottom = -1, near = 0.1, far = 2e3) {
    super();
    this.type = "OrthographicCamera";
    this.zoom = 1;
    this.view = null;
    this.left = left;
    this.right = right;
    this.top = top;
    this.bottom = bottom;
    this.near = near;
    this.far = far;
    this.updateProjectionMatrix();
  }
  copy(source, recursive) {
    super.copy(source, recursive);
    this.left = source.left;
    this.right = source.right;
    this.top = source.top;
    this.bottom = source.bottom;
    this.near = source.near;
    this.far = source.far;
    this.zoom = source.zoom;
    this.view = source.view === null ? null : Object.assign({}, source.view);
    return this;
  }
  setViewOffset(fullWidth, fullHeight, x, y, width, height) {
    if (this.view === null) {
      this.view = {
        enabled: true,
        fullWidth: 1,
        fullHeight: 1,
        offsetX: 0,
        offsetY: 0,
        width: 1,
        height: 1
      };
    }
    this.view.enabled = true;
    this.view.fullWidth = fullWidth;
    this.view.fullHeight = fullHeight;
    this.view.offsetX = x;
    this.view.offsetY = y;
    this.view.width = width;
    this.view.height = height;
    this.updateProjectionMatrix();
  }
  clearViewOffset() {
    if (this.view !== null) {
      this.view.enabled = false;
    }
    this.updateProjectionMatrix();
  }
  updateProjectionMatrix() {
    const dx = (this.right - this.left) / (2 * this.zoom);
    const dy = (this.top - this.bottom) / (2 * this.zoom);
    const cx = (this.right + this.left) / 2;
    const cy = (this.top + this.bottom) / 2;
    let left = cx - dx;
    let right = cx + dx;
    let top = cy + dy;
    let bottom = cy - dy;
    if (this.view !== null && this.view.enabled) {
      const scaleW = (this.right - this.left) / this.view.fullWidth / this.zoom;
      const scaleH = (this.top - this.bottom) / this.view.fullHeight / this.zoom;
      left += scaleW * this.view.offsetX;
      right = left + scaleW * this.view.width;
      top -= scaleH * this.view.offsetY;
      bottom = top - scaleH * this.view.height;
    }
    this.projectionMatrix.makeOrthographic(left, right, top, bottom, this.near, this.far);
    this.projectionMatrixInverse.copy(this.projectionMatrix).invert();
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.object.zoom = this.zoom;
    data.object.left = this.left;
    data.object.right = this.right;
    data.object.top = this.top;
    data.object.bottom = this.bottom;
    data.object.near = this.near;
    data.object.far = this.far;
    if (this.view !== null)
      data.object.view = Object.assign({}, this.view);
    return data;
  }
};
OrthographicCamera.prototype.isOrthographicCamera = true;
var RawShaderMaterial = class extends ShaderMaterial {
  constructor(parameters) {
    super(parameters);
    this.type = "RawShaderMaterial";
  }
};
RawShaderMaterial.prototype.isRawShaderMaterial = true;
var LOD_MIN = 4;
var LOD_MAX = 8;
var SIZE_MAX = Math.pow(2, LOD_MAX);
var EXTRA_LOD_SIGMA = [0.125, 0.215, 0.35, 0.446, 0.526, 0.582];
var TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;
var MAX_SAMPLES = 20;
var ENCODINGS = {
  [LinearEncoding]: 0,
  [sRGBEncoding]: 1,
  [RGBEEncoding]: 2,
  [RGBM7Encoding]: 3,
  [RGBM16Encoding]: 4,
  [RGBDEncoding]: 5,
  [GammaEncoding]: 6
};
var _flatCamera = /* @__PURE__ */ new OrthographicCamera();
var { _lodPlanes, _sizeLods, _sigmas } = /* @__PURE__ */ _createPlanes();
var _clearColor = /* @__PURE__ */ new Color();
var _oldTarget = null;
var PHI = (1 + Math.sqrt(5)) / 2;
var INV_PHI = 1 / PHI;
var _axisDirections = [
  /* @__PURE__ */ new Vector3(1, 1, 1),
  /* @__PURE__ */ new Vector3(-1, 1, 1),
  /* @__PURE__ */ new Vector3(1, 1, -1),
  /* @__PURE__ */ new Vector3(-1, 1, -1),
  /* @__PURE__ */ new Vector3(0, PHI, INV_PHI),
  /* @__PURE__ */ new Vector3(0, PHI, -INV_PHI),
  /* @__PURE__ */ new Vector3(INV_PHI, 0, PHI),
  /* @__PURE__ */ new Vector3(-INV_PHI, 0, PHI),
  /* @__PURE__ */ new Vector3(PHI, INV_PHI, 0),
  /* @__PURE__ */ new Vector3(-PHI, INV_PHI, 0)
];
var PMREMGenerator = class {
  constructor(renderer) {
    this._renderer = renderer;
    this._pingPongRenderTarget = null;
    this._blurMaterial = _getBlurShader(MAX_SAMPLES);
    this._equirectShader = null;
    this._cubemapShader = null;
    this._compileMaterial(this._blurMaterial);
  }
  fromScene(scene, sigma = 0, near = 0.1, far = 100) {
    _oldTarget = this._renderer.getRenderTarget();
    const cubeUVRenderTarget = this._allocateTargets();
    this._sceneToCubeUV(scene, near, far, cubeUVRenderTarget);
    if (sigma > 0) {
      this._blur(cubeUVRenderTarget, 0, 0, sigma);
    }
    this._applyPMREM(cubeUVRenderTarget);
    this._cleanup(cubeUVRenderTarget);
    return cubeUVRenderTarget;
  }
  fromEquirectangular(equirectangular) {
    return this._fromTexture(equirectangular);
  }
  fromCubemap(cubemap) {
    return this._fromTexture(cubemap);
  }
  compileCubemapShader() {
    if (this._cubemapShader === null) {
      this._cubemapShader = _getCubemapShader();
      this._compileMaterial(this._cubemapShader);
    }
  }
  compileEquirectangularShader() {
    if (this._equirectShader === null) {
      this._equirectShader = _getEquirectShader();
      this._compileMaterial(this._equirectShader);
    }
  }
  dispose() {
    this._blurMaterial.dispose();
    if (this._cubemapShader !== null)
      this._cubemapShader.dispose();
    if (this._equirectShader !== null)
      this._equirectShader.dispose();
    for (let i = 0; i < _lodPlanes.length; i++) {
      _lodPlanes[i].dispose();
    }
  }
  _cleanup(outputTarget) {
    this._pingPongRenderTarget.dispose();
    this._renderer.setRenderTarget(_oldTarget);
    outputTarget.scissorTest = false;
    _setViewport(outputTarget, 0, 0, outputTarget.width, outputTarget.height);
  }
  _fromTexture(texture) {
    _oldTarget = this._renderer.getRenderTarget();
    const cubeUVRenderTarget = this._allocateTargets(texture);
    this._textureToCubeUV(texture, cubeUVRenderTarget);
    this._applyPMREM(cubeUVRenderTarget);
    this._cleanup(cubeUVRenderTarget);
    return cubeUVRenderTarget;
  }
  _allocateTargets(texture) {
    const params = {
      magFilter: NearestFilter,
      minFilter: NearestFilter,
      generateMipmaps: false,
      type: UnsignedByteType,
      format: RGBEFormat,
      encoding: _isLDR(texture) ? texture.encoding : RGBEEncoding,
      depthBuffer: false
    };
    const cubeUVRenderTarget = _createRenderTarget(params);
    cubeUVRenderTarget.depthBuffer = texture ? false : true;
    this._pingPongRenderTarget = _createRenderTarget(params);
    return cubeUVRenderTarget;
  }
  _compileMaterial(material) {
    const tmpMesh = new Mesh(_lodPlanes[0], material);
    this._renderer.compile(tmpMesh, _flatCamera);
  }
  _sceneToCubeUV(scene, near, far, cubeUVRenderTarget) {
    const fov2 = 90;
    const aspect2 = 1;
    const cubeCamera = new PerspectiveCamera(fov2, aspect2, near, far);
    const upSign = [1, -1, 1, 1, 1, 1];
    const forwardSign = [1, 1, 1, -1, -1, -1];
    const renderer = this._renderer;
    const originalAutoClear = renderer.autoClear;
    const outputEncoding = renderer.outputEncoding;
    const toneMapping = renderer.toneMapping;
    renderer.getClearColor(_clearColor);
    renderer.toneMapping = NoToneMapping;
    renderer.outputEncoding = LinearEncoding;
    renderer.autoClear = false;
    const backgroundMaterial = new MeshBasicMaterial({
      name: "PMREM.Background",
      side: BackSide,
      depthWrite: false,
      depthTest: false
    });
    const backgroundBox = new Mesh(new BoxGeometry(), backgroundMaterial);
    let useSolidColor = false;
    const background = scene.background;
    if (background) {
      if (background.isColor) {
        backgroundMaterial.color.copy(background);
        scene.background = null;
        useSolidColor = true;
      }
    } else {
      backgroundMaterial.color.copy(_clearColor);
      useSolidColor = true;
    }
    for (let i = 0; i < 6; i++) {
      const col = i % 3;
      if (col == 0) {
        cubeCamera.up.set(0, upSign[i], 0);
        cubeCamera.lookAt(forwardSign[i], 0, 0);
      } else if (col == 1) {
        cubeCamera.up.set(0, 0, upSign[i]);
        cubeCamera.lookAt(0, forwardSign[i], 0);
      } else {
        cubeCamera.up.set(0, upSign[i], 0);
        cubeCamera.lookAt(0, 0, forwardSign[i]);
      }
      _setViewport(cubeUVRenderTarget, col * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX);
      renderer.setRenderTarget(cubeUVRenderTarget);
      if (useSolidColor) {
        renderer.render(backgroundBox, cubeCamera);
      }
      renderer.render(scene, cubeCamera);
    }
    backgroundBox.geometry.dispose();
    backgroundBox.material.dispose();
    renderer.toneMapping = toneMapping;
    renderer.outputEncoding = outputEncoding;
    renderer.autoClear = originalAutoClear;
    scene.background = background;
  }
  _textureToCubeUV(texture, cubeUVRenderTarget) {
    const renderer = this._renderer;
    if (texture.isCubeTexture) {
      if (this._cubemapShader == null) {
        this._cubemapShader = _getCubemapShader();
      }
    } else {
      if (this._equirectShader == null) {
        this._equirectShader = _getEquirectShader();
      }
    }
    const material = texture.isCubeTexture ? this._cubemapShader : this._equirectShader;
    const mesh = new Mesh(_lodPlanes[0], material);
    const uniforms = material.uniforms;
    uniforms["envMap"].value = texture;
    if (!texture.isCubeTexture) {
      uniforms["texelSize"].value.set(1 / texture.image.width, 1 / texture.image.height);
    }
    uniforms["inputEncoding"].value = ENCODINGS[texture.encoding];
    uniforms["outputEncoding"].value = ENCODINGS[cubeUVRenderTarget.texture.encoding];
    _setViewport(cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX);
    renderer.setRenderTarget(cubeUVRenderTarget);
    renderer.render(mesh, _flatCamera);
  }
  _applyPMREM(cubeUVRenderTarget) {
    const renderer = this._renderer;
    const autoClear = renderer.autoClear;
    renderer.autoClear = false;
    for (let i = 1; i < TOTAL_LODS; i++) {
      const sigma = Math.sqrt(_sigmas[i] * _sigmas[i] - _sigmas[i - 1] * _sigmas[i - 1]);
      const poleAxis = _axisDirections[(i - 1) % _axisDirections.length];
      this._blur(cubeUVRenderTarget, i - 1, i, sigma, poleAxis);
    }
    renderer.autoClear = autoClear;
  }
  _blur(cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis) {
    const pingPongRenderTarget = this._pingPongRenderTarget;
    this._halfBlur(cubeUVRenderTarget, pingPongRenderTarget, lodIn, lodOut, sigma, "latitudinal", poleAxis);
    this._halfBlur(pingPongRenderTarget, cubeUVRenderTarget, lodOut, lodOut, sigma, "longitudinal", poleAxis);
  }
  _halfBlur(targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis) {
    const renderer = this._renderer;
    const blurMaterial = this._blurMaterial;
    if (direction !== "latitudinal" && direction !== "longitudinal") {
      console.error("blur direction must be either latitudinal or longitudinal!");
    }
    const STANDARD_DEVIATIONS = 3;
    const blurMesh = new Mesh(_lodPlanes[lodOut], blurMaterial);
    const blurUniforms = blurMaterial.uniforms;
    const pixels = _sizeLods[lodIn] - 1;
    const radiansPerPixel = isFinite(sigmaRadians) ? Math.PI / (2 * pixels) : 2 * Math.PI / (2 * MAX_SAMPLES - 1);
    const sigmaPixels = sigmaRadians / radiansPerPixel;
    const samples = isFinite(sigmaRadians) ? 1 + Math.floor(STANDARD_DEVIATIONS * sigmaPixels) : MAX_SAMPLES;
    if (samples > MAX_SAMPLES) {
      console.warn(`sigmaRadians, ${sigmaRadians}, is too large and will clip, as it requested ${samples} samples when the maximum is set to ${MAX_SAMPLES}`);
    }
    const weights = [];
    let sum = 0;
    for (let i = 0; i < MAX_SAMPLES; ++i) {
      const x2 = i / sigmaPixels;
      const weight = Math.exp(-x2 * x2 / 2);
      weights.push(weight);
      if (i == 0) {
        sum += weight;
      } else if (i < samples) {
        sum += 2 * weight;
      }
    }
    for (let i = 0; i < weights.length; i++) {
      weights[i] = weights[i] / sum;
    }
    blurUniforms["envMap"].value = targetIn.texture;
    blurUniforms["samples"].value = samples;
    blurUniforms["weights"].value = weights;
    blurUniforms["latitudinal"].value = direction === "latitudinal";
    if (poleAxis) {
      blurUniforms["poleAxis"].value = poleAxis;
    }
    blurUniforms["dTheta"].value = radiansPerPixel;
    blurUniforms["mipInt"].value = LOD_MAX - lodIn;
    blurUniforms["inputEncoding"].value = ENCODINGS[targetIn.texture.encoding];
    blurUniforms["outputEncoding"].value = ENCODINGS[targetIn.texture.encoding];
    const outputSize = _sizeLods[lodOut];
    const x = 3 * Math.max(0, SIZE_MAX - 2 * outputSize);
    const y = (lodOut === 0 ? 0 : 2 * SIZE_MAX) + 2 * outputSize * (lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0);
    _setViewport(targetOut, x, y, 3 * outputSize, 2 * outputSize);
    renderer.setRenderTarget(targetOut);
    renderer.render(blurMesh, _flatCamera);
  }
};
function _isLDR(texture) {
  if (texture === void 0 || texture.type !== UnsignedByteType)
    return false;
  return texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;
}
function _createPlanes() {
  const _lodPlanes2 = [];
  const _sizeLods2 = [];
  const _sigmas2 = [];
  let lod = LOD_MAX;
  for (let i = 0; i < TOTAL_LODS; i++) {
    const sizeLod = Math.pow(2, lod);
    _sizeLods2.push(sizeLod);
    let sigma = 1 / sizeLod;
    if (i > LOD_MAX - LOD_MIN) {
      sigma = EXTRA_LOD_SIGMA[i - LOD_MAX + LOD_MIN - 1];
    } else if (i == 0) {
      sigma = 0;
    }
    _sigmas2.push(sigma);
    const texelSize = 1 / (sizeLod - 1);
    const min = -texelSize / 2;
    const max = 1 + texelSize / 2;
    const uv1 = [min, min, max, min, max, max, min, min, max, max, min, max];
    const cubeFaces = 6;
    const vertices = 6;
    const positionSize = 3;
    const uvSize = 2;
    const faceIndexSize = 1;
    const position = new Float32Array(positionSize * vertices * cubeFaces);
    const uv = new Float32Array(uvSize * vertices * cubeFaces);
    const faceIndex = new Float32Array(faceIndexSize * vertices * cubeFaces);
    for (let face = 0; face < cubeFaces; face++) {
      const x = face % 3 * 2 / 3 - 1;
      const y = face > 2 ? 0 : -1;
      const coordinates = [
        x,
        y,
        0,
        x + 2 / 3,
        y,
        0,
        x + 2 / 3,
        y + 1,
        0,
        x,
        y,
        0,
        x + 2 / 3,
        y + 1,
        0,
        x,
        y + 1,
        0
      ];
      position.set(coordinates, positionSize * vertices * face);
      uv.set(uv1, uvSize * vertices * face);
      const fill = [face, face, face, face, face, face];
      faceIndex.set(fill, faceIndexSize * vertices * face);
    }
    const planes = new BufferGeometry();
    planes.setAttribute("position", new BufferAttribute(position, positionSize));
    planes.setAttribute("uv", new BufferAttribute(uv, uvSize));
    planes.setAttribute("faceIndex", new BufferAttribute(faceIndex, faceIndexSize));
    _lodPlanes2.push(planes);
    if (lod > LOD_MIN) {
      lod--;
    }
  }
  return { _lodPlanes: _lodPlanes2, _sizeLods: _sizeLods2, _sigmas: _sigmas2 };
}
function _createRenderTarget(params) {
  const cubeUVRenderTarget = new WebGLRenderTarget(3 * SIZE_MAX, 3 * SIZE_MAX, params);
  cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;
  cubeUVRenderTarget.texture.name = "PMREM.cubeUv";
  cubeUVRenderTarget.scissorTest = true;
  return cubeUVRenderTarget;
}
function _setViewport(target, x, y, width, height) {
  target.viewport.set(x, y, width, height);
  target.scissor.set(x, y, width, height);
}
function _getBlurShader(maxSamples) {
  const weights = new Float32Array(maxSamples);
  const poleAxis = new Vector3(0, 1, 0);
  const shaderMaterial = new RawShaderMaterial({
    name: "SphericalGaussianBlur",
    defines: { "n": maxSamples },
    uniforms: {
      "envMap": { value: null },
      "samples": { value: 1 },
      "weights": { value: weights },
      "latitudinal": { value: false },
      "dTheta": { value: 0 },
      "mipInt": { value: 0 },
      "poleAxis": { value: poleAxis },
      "inputEncoding": { value: ENCODINGS[LinearEncoding] },
      "outputEncoding": { value: ENCODINGS[LinearEncoding] }
    },
    vertexShader: _getCommonVertexShader(),
    fragmentShader: `

			precision mediump float;
			precision mediump int;

			varying vec3 vOutputDirection;

			uniform sampler2D envMap;
			uniform int samples;
			uniform float weights[ n ];
			uniform bool latitudinal;
			uniform float dTheta;
			uniform float mipInt;
			uniform vec3 poleAxis;

			${_getEncodings()}

			#define ENVMAP_TYPE_CUBE_UV
			#include <cube_uv_reflection_fragment>

			vec3 getSample( float theta, vec3 axis ) {

				float cosTheta = cos( theta );
				// Rodrigues' axis-angle rotation
				vec3 sampleDirection = vOutputDirection * cosTheta
					+ cross( axis, vOutputDirection ) * sin( theta )
					+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );

				return bilinearCubeUV( envMap, sampleDirection, mipInt );

			}

			void main() {

				vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );

				if ( all( equal( axis, vec3( 0.0 ) ) ) ) {

					axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );

				}

				axis = normalize( axis );

				gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );
				gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );

				for ( int i = 1; i < n; i++ ) {

					if ( i >= samples ) {

						break;

					}

					float theta = dTheta * float( i );
					gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );
					gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );

				}

				gl_FragColor = linearToOutputTexel( gl_FragColor );

			}
		`,
    blending: NoBlending,
    depthTest: false,
    depthWrite: false
  });
  return shaderMaterial;
}
function _getEquirectShader() {
  const texelSize = new Vector2(1, 1);
  const shaderMaterial = new RawShaderMaterial({
    name: "EquirectangularToCubeUV",
    uniforms: {
      "envMap": { value: null },
      "texelSize": { value: texelSize },
      "inputEncoding": { value: ENCODINGS[LinearEncoding] },
      "outputEncoding": { value: ENCODINGS[LinearEncoding] }
    },
    vertexShader: _getCommonVertexShader(),
    fragmentShader: `

			precision mediump float;
			precision mediump int;

			varying vec3 vOutputDirection;

			uniform sampler2D envMap;
			uniform vec2 texelSize;

			${_getEncodings()}

			#include <common>

			void main() {

				gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );

				vec3 outputDirection = normalize( vOutputDirection );
				vec2 uv = equirectUv( outputDirection );

				vec2 f = fract( uv / texelSize - 0.5 );
				uv -= f * texelSize;
				vec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;
				uv.x += texelSize.x;
				vec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;
				uv.y += texelSize.y;
				vec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;
				uv.x -= texelSize.x;
				vec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;

				vec3 tm = mix( tl, tr, f.x );
				vec3 bm = mix( bl, br, f.x );
				gl_FragColor.rgb = mix( tm, bm, f.y );

				gl_FragColor = linearToOutputTexel( gl_FragColor );

			}
		`,
    blending: NoBlending,
    depthTest: false,
    depthWrite: false
  });
  return shaderMaterial;
}
function _getCubemapShader() {
  const shaderMaterial = new RawShaderMaterial({
    name: "CubemapToCubeUV",
    uniforms: {
      "envMap": { value: null },
      "inputEncoding": { value: ENCODINGS[LinearEncoding] },
      "outputEncoding": { value: ENCODINGS[LinearEncoding] }
    },
    vertexShader: _getCommonVertexShader(),
    fragmentShader: `

			precision mediump float;
			precision mediump int;

			varying vec3 vOutputDirection;

			uniform samplerCube envMap;

			${_getEncodings()}

			void main() {

				gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );
				gl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;
				gl_FragColor = linearToOutputTexel( gl_FragColor );

			}
		`,
    blending: NoBlending,
    depthTest: false,
    depthWrite: false
  });
  return shaderMaterial;
}
function _getCommonVertexShader() {
  return `

		precision mediump float;
		precision mediump int;

		attribute vec3 position;
		attribute vec2 uv;
		attribute float faceIndex;

		varying vec3 vOutputDirection;

		// RH coordinate system; PMREM face-indexing convention
		vec3 getDirection( vec2 uv, float face ) {

			uv = 2.0 * uv - 1.0;

			vec3 direction = vec3( uv, 1.0 );

			if ( face == 0.0 ) {

				direction = direction.zyx; // ( 1, v, u ) pos x

			} else if ( face == 1.0 ) {

				direction = direction.xzy;
				direction.xz *= -1.0; // ( -u, 1, -v ) pos y

			} else if ( face == 2.0 ) {

				direction.x *= -1.0; // ( -u, v, 1 ) pos z

			} else if ( face == 3.0 ) {

				direction = direction.zyx;
				direction.xz *= -1.0; // ( -1, v, -u ) neg x

			} else if ( face == 4.0 ) {

				direction = direction.xzy;
				direction.xy *= -1.0; // ( -u, -1, v ) neg y

			} else if ( face == 5.0 ) {

				direction.z *= -1.0; // ( u, v, -1 ) neg z

			}

			return direction;

		}

		void main() {

			vOutputDirection = getDirection( uv, faceIndex );
			gl_Position = vec4( position, 1.0 );

		}
	`;
}
function _getEncodings() {
  return `

		uniform int inputEncoding;
		uniform int outputEncoding;

		#include <encodings_pars_fragment>

		vec4 inputTexelToLinear( vec4 value ) {

			if ( inputEncoding == 0 ) {

				return value;

			} else if ( inputEncoding == 1 ) {

				return sRGBToLinear( value );

			} else if ( inputEncoding == 2 ) {

				return RGBEToLinear( value );

			} else if ( inputEncoding == 3 ) {

				return RGBMToLinear( value, 7.0 );

			} else if ( inputEncoding == 4 ) {

				return RGBMToLinear( value, 16.0 );

			} else if ( inputEncoding == 5 ) {

				return RGBDToLinear( value, 256.0 );

			} else {

				return GammaToLinear( value, 2.2 );

			}

		}

		vec4 linearToOutputTexel( vec4 value ) {

			if ( outputEncoding == 0 ) {

				return value;

			} else if ( outputEncoding == 1 ) {

				return LinearTosRGB( value );

			} else if ( outputEncoding == 2 ) {

				return LinearToRGBE( value );

			} else if ( outputEncoding == 3 ) {

				return LinearToRGBM( value, 7.0 );

			} else if ( outputEncoding == 4 ) {

				return LinearToRGBM( value, 16.0 );

			} else if ( outputEncoding == 5 ) {

				return LinearToRGBD( value, 256.0 );

			} else {

				return LinearToGamma( value, 2.2 );

			}

		}

		vec4 envMapTexelToLinear( vec4 color ) {

			return inputTexelToLinear( color );

		}
	`;
}
function WebGLCubeUVMaps(renderer) {
  let cubeUVmaps = new WeakMap();
  let pmremGenerator = null;
  function get(texture) {
    if (texture && texture.isTexture && texture.isRenderTargetTexture === false) {
      const mapping = texture.mapping;
      const isEquirectMap = mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping;
      const isCubeMap = mapping === CubeReflectionMapping || mapping === CubeRefractionMapping;
      if (isEquirectMap || isCubeMap) {
        if (cubeUVmaps.has(texture)) {
          return cubeUVmaps.get(texture).texture;
        } else {
          const image = texture.image;
          if (isEquirectMap && image && image.height > 0 || isCubeMap && image && isCubeTextureComplete(image)) {
            const currentRenderTarget = renderer.getRenderTarget();
            if (pmremGenerator === null)
              pmremGenerator = new PMREMGenerator(renderer);
            const renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular(texture) : pmremGenerator.fromCubemap(texture);
            cubeUVmaps.set(texture, renderTarget);
            renderer.setRenderTarget(currentRenderTarget);
            texture.addEventListener("dispose", onTextureDispose);
            return renderTarget.texture;
          } else {
            return null;
          }
        }
      }
    }
    return texture;
  }
  function isCubeTextureComplete(image) {
    let count = 0;
    const length = 6;
    for (let i = 0; i < length; i++) {
      if (image[i] !== void 0)
        count++;
    }
    return count === length;
  }
  function onTextureDispose(event) {
    const texture = event.target;
    texture.removeEventListener("dispose", onTextureDispose);
    const cubemapUV = cubeUVmaps.get(texture);
    if (cubemapUV !== void 0) {
      cubeUVmaps.delete(texture);
      cubemapUV.dispose();
    }
  }
  function dispose() {
    cubeUVmaps = new WeakMap();
    if (pmremGenerator !== null) {
      pmremGenerator.dispose();
      pmremGenerator = null;
    }
  }
  return {
    get,
    dispose
  };
}
function WebGLExtensions(gl) {
  const extensions = {};
  function getExtension(name) {
    if (extensions[name] !== void 0) {
      return extensions[name];
    }
    let extension;
    switch (name) {
      case "WEBGL_depth_texture":
        extension = gl.getExtension("WEBGL_depth_texture") || gl.getExtension("MOZ_WEBGL_depth_texture") || gl.getExtension("WEBKIT_WEBGL_depth_texture");
        break;
      case "EXT_texture_filter_anisotropic":
        extension = gl.getExtension("EXT_texture_filter_anisotropic") || gl.getExtension("MOZ_EXT_texture_filter_anisotropic") || gl.getExtension("WEBKIT_EXT_texture_filter_anisotropic");
        break;
      case "WEBGL_compressed_texture_s3tc":
        extension = gl.getExtension("WEBGL_compressed_texture_s3tc") || gl.getExtension("MOZ_WEBGL_compressed_texture_s3tc") || gl.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");
        break;
      case "WEBGL_compressed_texture_pvrtc":
        extension = gl.getExtension("WEBGL_compressed_texture_pvrtc") || gl.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");
        break;
      default:
        extension = gl.getExtension(name);
    }
    extensions[name] = extension;
    return extension;
  }
  return {
    has: function(name) {
      return getExtension(name) !== null;
    },
    init: function(capabilities) {
      if (capabilities.isWebGL2) {
        getExtension("EXT_color_buffer_float");
      } else {
        getExtension("WEBGL_depth_texture");
        getExtension("OES_texture_float");
        getExtension("OES_texture_half_float");
        getExtension("OES_texture_half_float_linear");
        getExtension("OES_standard_derivatives");
        getExtension("OES_element_index_uint");
        getExtension("OES_vertex_array_object");
        getExtension("ANGLE_instanced_arrays");
      }
      getExtension("OES_texture_float_linear");
      getExtension("EXT_color_buffer_half_float");
    },
    get: function(name) {
      const extension = getExtension(name);
      if (extension === null) {
        console.warn("THREE.WebGLRenderer: " + name + " extension not supported.");
      }
      return extension;
    }
  };
}
function WebGLGeometries(gl, attributes, info, bindingStates) {
  const geometries = {};
  const wireframeAttributes = new WeakMap();
  function onGeometryDispose(event) {
    const geometry = event.target;
    if (geometry.index !== null) {
      attributes.remove(geometry.index);
    }
    for (const name in geometry.attributes) {
      attributes.remove(geometry.attributes[name]);
    }
    geometry.removeEventListener("dispose", onGeometryDispose);
    delete geometries[geometry.id];
    const attribute = wireframeAttributes.get(geometry);
    if (attribute) {
      attributes.remove(attribute);
      wireframeAttributes.delete(geometry);
    }
    bindingStates.releaseStatesOfGeometry(geometry);
    if (geometry.isInstancedBufferGeometry === true) {
      delete geometry._maxInstanceCount;
    }
    info.memory.geometries--;
  }
  function get(object, geometry) {
    if (geometries[geometry.id] === true)
      return geometry;
    geometry.addEventListener("dispose", onGeometryDispose);
    geometries[geometry.id] = true;
    info.memory.geometries++;
    return geometry;
  }
  function update(geometry) {
    const geometryAttributes = geometry.attributes;
    for (const name in geometryAttributes) {
      attributes.update(geometryAttributes[name], 34962);
    }
    const morphAttributes = geometry.morphAttributes;
    for (const name in morphAttributes) {
      const array = morphAttributes[name];
      for (let i = 0, l = array.length; i < l; i++) {
        attributes.update(array[i], 34962);
      }
    }
  }
  function updateWireframeAttribute(geometry) {
    const indices = [];
    const geometryIndex = geometry.index;
    const geometryPosition = geometry.attributes.position;
    let version = 0;
    if (geometryIndex !== null) {
      const array = geometryIndex.array;
      version = geometryIndex.version;
      for (let i = 0, l = array.length; i < l; i += 3) {
        const a2 = array[i + 0];
        const b2 = array[i + 1];
        const c2 = array[i + 2];
        indices.push(a2, b2, b2, c2, c2, a2);
      }
    } else {
      const array = geometryPosition.array;
      version = geometryPosition.version;
      for (let i = 0, l = array.length / 3 - 1; i < l; i += 3) {
        const a2 = i + 0;
        const b2 = i + 1;
        const c2 = i + 2;
        indices.push(a2, b2, b2, c2, c2, a2);
      }
    }
    const attribute = new (arrayMax(indices) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute)(indices, 1);
    attribute.version = version;
    const previousAttribute = wireframeAttributes.get(geometry);
    if (previousAttribute)
      attributes.remove(previousAttribute);
    wireframeAttributes.set(geometry, attribute);
  }
  function getWireframeAttribute(geometry) {
    const currentAttribute = wireframeAttributes.get(geometry);
    if (currentAttribute) {
      const geometryIndex = geometry.index;
      if (geometryIndex !== null) {
        if (currentAttribute.version < geometryIndex.version) {
          updateWireframeAttribute(geometry);
        }
      }
    } else {
      updateWireframeAttribute(geometry);
    }
    return wireframeAttributes.get(geometry);
  }
  return {
    get,
    update,
    getWireframeAttribute
  };
}
function WebGLIndexedBufferRenderer(gl, extensions, info, capabilities) {
  const isWebGL2 = capabilities.isWebGL2;
  let mode;
  function setMode(value) {
    mode = value;
  }
  let type, bytesPerElement;
  function setIndex(value) {
    type = value.type;
    bytesPerElement = value.bytesPerElement;
  }
  function render(start, count) {
    gl.drawElements(mode, count, type, start * bytesPerElement);
    info.update(count, mode, 1);
  }
  function renderInstances(start, count, primcount) {
    if (primcount === 0)
      return;
    let extension, methodName;
    if (isWebGL2) {
      extension = gl;
      methodName = "drawElementsInstanced";
    } else {
      extension = extensions.get("ANGLE_instanced_arrays");
      methodName = "drawElementsInstancedANGLE";
      if (extension === null) {
        console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");
        return;
      }
    }
    extension[methodName](mode, count, type, start * bytesPerElement, primcount);
    info.update(count, mode, primcount);
  }
  this.setMode = setMode;
  this.setIndex = setIndex;
  this.render = render;
  this.renderInstances = renderInstances;
}
function WebGLInfo(gl) {
  const memory = {
    geometries: 0,
    textures: 0
  };
  const render = {
    frame: 0,
    calls: 0,
    triangles: 0,
    points: 0,
    lines: 0
  };
  function update(count, mode, instanceCount) {
    render.calls++;
    switch (mode) {
      case 4:
        render.triangles += instanceCount * (count / 3);
        break;
      case 1:
        render.lines += instanceCount * (count / 2);
        break;
      case 3:
        render.lines += instanceCount * (count - 1);
        break;
      case 2:
        render.lines += instanceCount * count;
        break;
      case 0:
        render.points += instanceCount * count;
        break;
      default:
        console.error("THREE.WebGLInfo: Unknown draw mode:", mode);
        break;
    }
  }
  function reset() {
    render.frame++;
    render.calls = 0;
    render.triangles = 0;
    render.points = 0;
    render.lines = 0;
  }
  return {
    memory,
    render,
    programs: null,
    autoReset: true,
    reset,
    update
  };
}
function numericalSort(a2, b2) {
  return a2[0] - b2[0];
}
function absNumericalSort(a2, b2) {
  return Math.abs(b2[1]) - Math.abs(a2[1]);
}
function WebGLMorphtargets(gl) {
  const influencesList = {};
  const morphInfluences = new Float32Array(8);
  const workInfluences = [];
  for (let i = 0; i < 8; i++) {
    workInfluences[i] = [i, 0];
  }
  function update(object, geometry, material, program) {
    const objectInfluences = object.morphTargetInfluences;
    const length = objectInfluences === void 0 ? 0 : objectInfluences.length;
    let influences = influencesList[geometry.id];
    if (influences === void 0 || influences.length !== length) {
      influences = [];
      for (let i = 0; i < length; i++) {
        influences[i] = [i, 0];
      }
      influencesList[geometry.id] = influences;
    }
    for (let i = 0; i < length; i++) {
      const influence = influences[i];
      influence[0] = i;
      influence[1] = objectInfluences[i];
    }
    influences.sort(absNumericalSort);
    for (let i = 0; i < 8; i++) {
      if (i < length && influences[i][1]) {
        workInfluences[i][0] = influences[i][0];
        workInfluences[i][1] = influences[i][1];
      } else {
        workInfluences[i][0] = Number.MAX_SAFE_INTEGER;
        workInfluences[i][1] = 0;
      }
    }
    workInfluences.sort(numericalSort);
    const morphTargets = geometry.morphAttributes.position;
    const morphNormals = geometry.morphAttributes.normal;
    let morphInfluencesSum = 0;
    for (let i = 0; i < 8; i++) {
      const influence = workInfluences[i];
      const index = influence[0];
      const value = influence[1];
      if (index !== Number.MAX_SAFE_INTEGER && value) {
        if (morphTargets && geometry.getAttribute("morphTarget" + i) !== morphTargets[index]) {
          geometry.setAttribute("morphTarget" + i, morphTargets[index]);
        }
        if (morphNormals && geometry.getAttribute("morphNormal" + i) !== morphNormals[index]) {
          geometry.setAttribute("morphNormal" + i, morphNormals[index]);
        }
        morphInfluences[i] = value;
        morphInfluencesSum += value;
      } else {
        if (morphTargets && geometry.hasAttribute("morphTarget" + i) === true) {
          geometry.deleteAttribute("morphTarget" + i);
        }
        if (morphNormals && geometry.hasAttribute("morphNormal" + i) === true) {
          geometry.deleteAttribute("morphNormal" + i);
        }
        morphInfluences[i] = 0;
      }
    }
    const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;
    program.getUniforms().setValue(gl, "morphTargetBaseInfluence", morphBaseInfluence);
    program.getUniforms().setValue(gl, "morphTargetInfluences", morphInfluences);
  }
  return {
    update
  };
}
function WebGLObjects(gl, geometries, attributes, info) {
  let updateMap = new WeakMap();
  function update(object) {
    const frame = info.render.frame;
    const geometry = object.geometry;
    const buffergeometry = geometries.get(object, geometry);
    if (updateMap.get(buffergeometry) !== frame) {
      geometries.update(buffergeometry);
      updateMap.set(buffergeometry, frame);
    }
    if (object.isInstancedMesh) {
      if (object.hasEventListener("dispose", onInstancedMeshDispose) === false) {
        object.addEventListener("dispose", onInstancedMeshDispose);
      }
      attributes.update(object.instanceMatrix, 34962);
      if (object.instanceColor !== null) {
        attributes.update(object.instanceColor, 34962);
      }
    }
    return buffergeometry;
  }
  function dispose() {
    updateMap = new WeakMap();
  }
  function onInstancedMeshDispose(event) {
    const instancedMesh = event.target;
    instancedMesh.removeEventListener("dispose", onInstancedMeshDispose);
    attributes.remove(instancedMesh.instanceMatrix);
    if (instancedMesh.instanceColor !== null)
      attributes.remove(instancedMesh.instanceColor);
  }
  return {
    update,
    dispose
  };
}
var DataTexture2DArray = class extends Texture {
  constructor(data = null, width = 1, height = 1, depth = 1) {
    super(null);
    this.image = { data, width, height, depth };
    this.magFilter = NearestFilter;
    this.minFilter = NearestFilter;
    this.wrapR = ClampToEdgeWrapping;
    this.generateMipmaps = false;
    this.flipY = false;
    this.unpackAlignment = 1;
    this.needsUpdate = true;
  }
};
DataTexture2DArray.prototype.isDataTexture2DArray = true;
var DataTexture3D = class extends Texture {
  constructor(data = null, width = 1, height = 1, depth = 1) {
    super(null);
    this.image = { data, width, height, depth };
    this.magFilter = NearestFilter;
    this.minFilter = NearestFilter;
    this.wrapR = ClampToEdgeWrapping;
    this.generateMipmaps = false;
    this.flipY = false;
    this.unpackAlignment = 1;
    this.needsUpdate = true;
  }
};
DataTexture3D.prototype.isDataTexture3D = true;
var emptyTexture = new Texture();
var emptyTexture2dArray = new DataTexture2DArray();
var emptyTexture3d = new DataTexture3D();
var emptyCubeTexture = new CubeTexture();
var arrayCacheF32 = [];
var arrayCacheI32 = [];
var mat4array = new Float32Array(16);
var mat3array = new Float32Array(9);
var mat2array = new Float32Array(4);
function flatten(array, nBlocks, blockSize) {
  const firstElem = array[0];
  if (firstElem <= 0 || firstElem > 0)
    return array;
  const n = nBlocks * blockSize;
  let r = arrayCacheF32[n];
  if (r === void 0) {
    r = new Float32Array(n);
    arrayCacheF32[n] = r;
  }
  if (nBlocks !== 0) {
    firstElem.toArray(r, 0);
    for (let i = 1, offset = 0; i !== nBlocks; ++i) {
      offset += blockSize;
      array[i].toArray(r, offset);
    }
  }
  return r;
}
function arraysEqual(a2, b2) {
  if (a2.length !== b2.length)
    return false;
  for (let i = 0, l = a2.length; i < l; i++) {
    if (a2[i] !== b2[i])
      return false;
  }
  return true;
}
function copyArray(a2, b2) {
  for (let i = 0, l = b2.length; i < l; i++) {
    a2[i] = b2[i];
  }
}
function allocTexUnits(textures, n) {
  let r = arrayCacheI32[n];
  if (r === void 0) {
    r = new Int32Array(n);
    arrayCacheI32[n] = r;
  }
  for (let i = 0; i !== n; ++i) {
    r[i] = textures.allocateTextureUnit();
  }
  return r;
}
function setValueV1f(gl, v) {
  const cache = this.cache;
  if (cache[0] === v)
    return;
  gl.uniform1f(this.addr, v);
  cache[0] = v;
}
function setValueV2f(gl, v) {
  const cache = this.cache;
  if (v.x !== void 0) {
    if (cache[0] !== v.x || cache[1] !== v.y) {
      gl.uniform2f(this.addr, v.x, v.y);
      cache[0] = v.x;
      cache[1] = v.y;
    }
  } else {
    if (arraysEqual(cache, v))
      return;
    gl.uniform2fv(this.addr, v);
    copyArray(cache, v);
  }
}
function setValueV3f(gl, v) {
  const cache = this.cache;
  if (v.x !== void 0) {
    if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) {
      gl.uniform3f(this.addr, v.x, v.y, v.z);
      cache[0] = v.x;
      cache[1] = v.y;
      cache[2] = v.z;
    }
  } else if (v.r !== void 0) {
    if (cache[0] !== v.r || cache[1] !== v.g || cache[2] !== v.b) {
      gl.uniform3f(this.addr, v.r, v.g, v.b);
      cache[0] = v.r;
      cache[1] = v.g;
      cache[2] = v.b;
    }
  } else {
    if (arraysEqual(cache, v))
      return;
    gl.uniform3fv(this.addr, v);
    copyArray(cache, v);
  }
}
function setValueV4f(gl, v) {
  const cache = this.cache;
  if (v.x !== void 0) {
    if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) {
      gl.uniform4f(this.addr, v.x, v.y, v.z, v.w);
      cache[0] = v.x;
      cache[1] = v.y;
      cache[2] = v.z;
      cache[3] = v.w;
    }
  } else {
    if (arraysEqual(cache, v))
      return;
    gl.uniform4fv(this.addr, v);
    copyArray(cache, v);
  }
}
function setValueM2(gl, v) {
  const cache = this.cache;
  const elements = v.elements;
  if (elements === void 0) {
    if (arraysEqual(cache, v))
      return;
    gl.uniformMatrix2fv(this.addr, false, v);
    copyArray(cache, v);
  } else {
    if (arraysEqual(cache, elements))
      return;
    mat2array.set(elements);
    gl.uniformMatrix2fv(this.addr, false, mat2array);
    copyArray(cache, elements);
  }
}
function setValueM3(gl, v) {
  const cache = this.cache;
  const elements = v.elements;
  if (elements === void 0) {
    if (arraysEqual(cache, v))
      return;
    gl.uniformMatrix3fv(this.addr, false, v);
    copyArray(cache, v);
  } else {
    if (arraysEqual(cache, elements))
      return;
    mat3array.set(elements);
    gl.uniformMatrix3fv(this.addr, false, mat3array);
    copyArray(cache, elements);
  }
}
function setValueM4(gl, v) {
  const cache = this.cache;
  const elements = v.elements;
  if (elements === void 0) {
    if (arraysEqual(cache, v))
      return;
    gl.uniformMatrix4fv(this.addr, false, v);
    copyArray(cache, v);
  } else {
    if (arraysEqual(cache, elements))
      return;
    mat4array.set(elements);
    gl.uniformMatrix4fv(this.addr, false, mat4array);
    copyArray(cache, elements);
  }
}
function setValueV1i(gl, v) {
  const cache = this.cache;
  if (cache[0] === v)
    return;
  gl.uniform1i(this.addr, v);
  cache[0] = v;
}
function setValueV2i(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform2iv(this.addr, v);
  copyArray(cache, v);
}
function setValueV3i(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform3iv(this.addr, v);
  copyArray(cache, v);
}
function setValueV4i(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform4iv(this.addr, v);
  copyArray(cache, v);
}
function setValueV1ui(gl, v) {
  const cache = this.cache;
  if (cache[0] === v)
    return;
  gl.uniform1ui(this.addr, v);
  cache[0] = v;
}
function setValueV2ui(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform2uiv(this.addr, v);
  copyArray(cache, v);
}
function setValueV3ui(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform3uiv(this.addr, v);
  copyArray(cache, v);
}
function setValueV4ui(gl, v) {
  const cache = this.cache;
  if (arraysEqual(cache, v))
    return;
  gl.uniform4uiv(this.addr, v);
  copyArray(cache, v);
}
function setValueT1(gl, v, textures) {
  const cache = this.cache;
  const unit = textures.allocateTextureUnit();
  if (cache[0] !== unit) {
    gl.uniform1i(this.addr, unit);
    cache[0] = unit;
  }
  textures.safeSetTexture2D(v || emptyTexture, unit);
}
function setValueT3D1(gl, v, textures) {
  const cache = this.cache;
  const unit = textures.allocateTextureUnit();
  if (cache[0] !== unit) {
    gl.uniform1i(this.addr, unit);
    cache[0] = unit;
  }
  textures.setTexture3D(v || emptyTexture3d, unit);
}
function setValueT6(gl, v, textures) {
  const cache = this.cache;
  const unit = textures.allocateTextureUnit();
  if (cache[0] !== unit) {
    gl.uniform1i(this.addr, unit);
    cache[0] = unit;
  }
  textures.safeSetTextureCube(v || emptyCubeTexture, unit);
}
function setValueT2DArray1(gl, v, textures) {
  const cache = this.cache;
  const unit = textures.allocateTextureUnit();
  if (cache[0] !== unit) {
    gl.uniform1i(this.addr, unit);
    cache[0] = unit;
  }
  textures.setTexture2DArray(v || emptyTexture2dArray, unit);
}
function getSingularSetter(type) {
  switch (type) {
    case 5126:
      return setValueV1f;
    case 35664:
      return setValueV2f;
    case 35665:
      return setValueV3f;
    case 35666:
      return setValueV4f;
    case 35674:
      return setValueM2;
    case 35675:
      return setValueM3;
    case 35676:
      return setValueM4;
    case 5124:
    case 35670:
      return setValueV1i;
    case 35667:
    case 35671:
      return setValueV2i;
    case 35668:
    case 35672:
      return setValueV3i;
    case 35669:
    case 35673:
      return setValueV4i;
    case 5125:
      return setValueV1ui;
    case 36294:
      return setValueV2ui;
    case 36295:
      return setValueV3ui;
    case 36296:
      return setValueV4ui;
    case 35678:
    case 36198:
    case 36298:
    case 36306:
    case 35682:
      return setValueT1;
    case 35679:
    case 36299:
    case 36307:
      return setValueT3D1;
    case 35680:
    case 36300:
    case 36308:
    case 36293:
      return setValueT6;
    case 36289:
    case 36303:
    case 36311:
    case 36292:
      return setValueT2DArray1;
  }
}
function setValueV1fArray(gl, v) {
  gl.uniform1fv(this.addr, v);
}
function setValueV2fArray(gl, v) {
  const data = flatten(v, this.size, 2);
  gl.uniform2fv(this.addr, data);
}
function setValueV3fArray(gl, v) {
  const data = flatten(v, this.size, 3);
  gl.uniform3fv(this.addr, data);
}
function setValueV4fArray(gl, v) {
  const data = flatten(v, this.size, 4);
  gl.uniform4fv(this.addr, data);
}
function setValueM2Array(gl, v) {
  const data = flatten(v, this.size, 4);
  gl.uniformMatrix2fv(this.addr, false, data);
}
function setValueM3Array(gl, v) {
  const data = flatten(v, this.size, 9);
  gl.uniformMatrix3fv(this.addr, false, data);
}
function setValueM4Array(gl, v) {
  const data = flatten(v, this.size, 16);
  gl.uniformMatrix4fv(this.addr, false, data);
}
function setValueV1iArray(gl, v) {
  gl.uniform1iv(this.addr, v);
}
function setValueV2iArray(gl, v) {
  gl.uniform2iv(this.addr, v);
}
function setValueV3iArray(gl, v) {
  gl.uniform3iv(this.addr, v);
}
function setValueV4iArray(gl, v) {
  gl.uniform4iv(this.addr, v);
}
function setValueV1uiArray(gl, v) {
  gl.uniform1uiv(this.addr, v);
}
function setValueV2uiArray(gl, v) {
  gl.uniform2uiv(this.addr, v);
}
function setValueV3uiArray(gl, v) {
  gl.uniform3uiv(this.addr, v);
}
function setValueV4uiArray(gl, v) {
  gl.uniform4uiv(this.addr, v);
}
function setValueT1Array(gl, v, textures) {
  const n = v.length;
  const units = allocTexUnits(textures, n);
  gl.uniform1iv(this.addr, units);
  for (let i = 0; i !== n; ++i) {
    textures.safeSetTexture2D(v[i] || emptyTexture, units[i]);
  }
}
function setValueT6Array(gl, v, textures) {
  const n = v.length;
  const units = allocTexUnits(textures, n);
  gl.uniform1iv(this.addr, units);
  for (let i = 0; i !== n; ++i) {
    textures.safeSetTextureCube(v[i] || emptyCubeTexture, units[i]);
  }
}
function getPureArraySetter(type) {
  switch (type) {
    case 5126:
      return setValueV1fArray;
    case 35664:
      return setValueV2fArray;
    case 35665:
      return setValueV3fArray;
    case 35666:
      return setValueV4fArray;
    case 35674:
      return setValueM2Array;
    case 35675:
      return setValueM3Array;
    case 35676:
      return setValueM4Array;
    case 5124:
    case 35670:
      return setValueV1iArray;
    case 35667:
    case 35671:
      return setValueV2iArray;
    case 35668:
    case 35672:
      return setValueV3iArray;
    case 35669:
    case 35673:
      return setValueV4iArray;
    case 5125:
      return setValueV1uiArray;
    case 36294:
      return setValueV2uiArray;
    case 36295:
      return setValueV3uiArray;
    case 36296:
      return setValueV4uiArray;
    case 35678:
    case 36198:
    case 36298:
    case 36306:
    case 35682:
      return setValueT1Array;
    case 35680:
    case 36300:
    case 36308:
    case 36293:
      return setValueT6Array;
  }
}
function SingleUniform(id, activeInfo, addr) {
  this.id = id;
  this.addr = addr;
  this.cache = [];
  this.setValue = getSingularSetter(activeInfo.type);
}
function PureArrayUniform(id, activeInfo, addr) {
  this.id = id;
  this.addr = addr;
  this.cache = [];
  this.size = activeInfo.size;
  this.setValue = getPureArraySetter(activeInfo.type);
}
PureArrayUniform.prototype.updateCache = function(data) {
  const cache = this.cache;
  if (data instanceof Float32Array && cache.length !== data.length) {
    this.cache = new Float32Array(data.length);
  }
  copyArray(cache, data);
};
function StructuredUniform(id) {
  this.id = id;
  this.seq = [];
  this.map = {};
}
StructuredUniform.prototype.setValue = function(gl, value, textures) {
  const seq = this.seq;
  for (let i = 0, n = seq.length; i !== n; ++i) {
    const u = seq[i];
    u.setValue(gl, value[u.id], textures);
  }
};
var RePathPart = /(\w+)(\])?(\[|\.)?/g;
function addUniform(container, uniformObject) {
  container.seq.push(uniformObject);
  container.map[uniformObject.id] = uniformObject;
}
function parseUniform(activeInfo, addr, container) {
  const path = activeInfo.name, pathLength = path.length;
  RePathPart.lastIndex = 0;
  while (true) {
    const match = RePathPart.exec(path), matchEnd = RePathPart.lastIndex;
    let id = match[1];
    const idIsIndex = match[2] === "]", subscript = match[3];
    if (idIsIndex)
      id = id | 0;
    if (subscript === void 0 || subscript === "[" && matchEnd + 2 === pathLength) {
      addUniform(container, subscript === void 0 ? new SingleUniform(id, activeInfo, addr) : new PureArrayUniform(id, activeInfo, addr));
      break;
    } else {
      const map = container.map;
      let next = map[id];
      if (next === void 0) {
        next = new StructuredUniform(id);
        addUniform(container, next);
      }
      container = next;
    }
  }
}
function WebGLUniforms(gl, program) {
  this.seq = [];
  this.map = {};
  const n = gl.getProgramParameter(program, 35718);
  for (let i = 0; i < n; ++i) {
    const info = gl.getActiveUniform(program, i), addr = gl.getUniformLocation(program, info.name);
    parseUniform(info, addr, this);
  }
}
WebGLUniforms.prototype.setValue = function(gl, name, value, textures) {
  const u = this.map[name];
  if (u !== void 0)
    u.setValue(gl, value, textures);
};
WebGLUniforms.prototype.setOptional = function(gl, object, name) {
  const v = object[name];
  if (v !== void 0)
    this.setValue(gl, name, v);
};
WebGLUniforms.upload = function(gl, seq, values, textures) {
  for (let i = 0, n = seq.length; i !== n; ++i) {
    const u = seq[i], v = values[u.id];
    if (v.needsUpdate !== false) {
      u.setValue(gl, v.value, textures);
    }
  }
};
WebGLUniforms.seqWithValue = function(seq, values) {
  const r = [];
  for (let i = 0, n = seq.length; i !== n; ++i) {
    const u = seq[i];
    if (u.id in values)
      r.push(u);
  }
  return r;
};
function WebGLShader(gl, type, string) {
  const shader = gl.createShader(type);
  gl.shaderSource(shader, string);
  gl.compileShader(shader);
  return shader;
}
var programIdCount = 0;
function addLineNumbers(string) {
  const lines = string.split("\n");
  for (let i = 0; i < lines.length; i++) {
    lines[i] = i + 1 + ": " + lines[i];
  }
  return lines.join("\n");
}
function getEncodingComponents(encoding) {
  switch (encoding) {
    case LinearEncoding:
      return ["Linear", "( value )"];
    case sRGBEncoding:
      return ["sRGB", "( value )"];
    case RGBEEncoding:
      return ["RGBE", "( value )"];
    case RGBM7Encoding:
      return ["RGBM", "( value, 7.0 )"];
    case RGBM16Encoding:
      return ["RGBM", "( value, 16.0 )"];
    case RGBDEncoding:
      return ["RGBD", "( value, 256.0 )"];
    case GammaEncoding:
      return ["Gamma", "( value, float( GAMMA_FACTOR ) )"];
    case LogLuvEncoding:
      return ["LogLuv", "( value )"];
    default:
      console.warn("THREE.WebGLProgram: Unsupported encoding:", encoding);
      return ["Linear", "( value )"];
  }
}
function getShaderErrors(gl, shader, type) {
  const status = gl.getShaderParameter(shader, 35713);
  const errors = gl.getShaderInfoLog(shader).trim();
  if (status && errors === "")
    return "";
  return type.toUpperCase() + "\n\n" + errors + "\n\n" + addLineNumbers(gl.getShaderSource(shader));
}
function getTexelDecodingFunction(functionName, encoding) {
  const components = getEncodingComponents(encoding);
  return "vec4 " + functionName + "( vec4 value ) { return " + components[0] + "ToLinear" + components[1] + "; }";
}
function getTexelEncodingFunction(functionName, encoding) {
  const components = getEncodingComponents(encoding);
  return "vec4 " + functionName + "( vec4 value ) { return LinearTo" + components[0] + components[1] + "; }";
}
function getToneMappingFunction(functionName, toneMapping) {
  let toneMappingName;
  switch (toneMapping) {
    case LinearToneMapping:
      toneMappingName = "Linear";
      break;
    case ReinhardToneMapping:
      toneMappingName = "Reinhard";
      break;
    case CineonToneMapping:
      toneMappingName = "OptimizedCineon";
      break;
    case ACESFilmicToneMapping:
      toneMappingName = "ACESFilmic";
      break;
    case CustomToneMapping:
      toneMappingName = "Custom";
      break;
    default:
      console.warn("THREE.WebGLProgram: Unsupported toneMapping:", toneMapping);
      toneMappingName = "Linear";
  }
  return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }";
}
function generateExtensions(parameters) {
  const chunks = [
    parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === "physical" ? "#extension GL_OES_standard_derivatives : enable" : "",
    (parameters.extensionFragDepth || parameters.logarithmicDepthBuffer) && parameters.rendererExtensionFragDepth ? "#extension GL_EXT_frag_depth : enable" : "",
    parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ? "#extension GL_EXT_draw_buffers : require" : "",
    (parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission) && parameters.rendererExtensionShaderTextureLod ? "#extension GL_EXT_shader_texture_lod : enable" : ""
  ];
  return chunks.filter(filterEmptyLine).join("\n");
}
function generateDefines(defines) {
  const chunks = [];
  for (const name in defines) {
    const value = defines[name];
    if (value === false)
      continue;
    chunks.push("#define " + name + " " + value);
  }
  return chunks.join("\n");
}
function fetchAttributeLocations(gl, program) {
  const attributes = {};
  const n = gl.getProgramParameter(program, 35721);
  for (let i = 0; i < n; i++) {
    const info = gl.getActiveAttrib(program, i);
    const name = info.name;
    let locationSize = 1;
    if (info.type === 35674)
      locationSize = 2;
    if (info.type === 35675)
      locationSize = 3;
    if (info.type === 35676)
      locationSize = 4;
    attributes[name] = {
      type: info.type,
      location: gl.getAttribLocation(program, name),
      locationSize
    };
  }
  return attributes;
}
function filterEmptyLine(string) {
  return string !== "";
}
function replaceLightNums(string, parameters) {
  return string.replace(/NUM_DIR_LIGHTS/g, parameters.numDirLights).replace(/NUM_SPOT_LIGHTS/g, parameters.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g, parameters.numPointLights).replace(/NUM_HEMI_LIGHTS/g, parameters.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows);
}
function replaceClippingPlaneNums(string, parameters) {
  return string.replace(/NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g, parameters.numClippingPlanes - parameters.numClipIntersection);
}
var includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm;
function resolveIncludes(string) {
  return string.replace(includePattern, includeReplacer);
}
function includeReplacer(match, include) {
  const string = ShaderChunk[include];
  if (string === void 0) {
    throw new Error("Can not resolve #include <" + include + ">");
  }
  return resolveIncludes(string);
}
var deprecatedUnrollLoopPattern = /#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g;
var unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;
function unrollLoops(string) {
  return string.replace(unrollLoopPattern, loopReplacer).replace(deprecatedUnrollLoopPattern, deprecatedLoopReplacer);
}
function deprecatedLoopReplacer(match, start, end, snippet) {
  console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.");
  return loopReplacer(match, start, end, snippet);
}
function loopReplacer(match, start, end, snippet) {
  let string = "";
  for (let i = parseInt(start); i < parseInt(end); i++) {
    string += snippet.replace(/\[\s*i\s*\]/g, "[ " + i + " ]").replace(/UNROLLED_LOOP_INDEX/g, i);
  }
  return string;
}
function generatePrecision(parameters) {
  let precisionstring = "precision " + parameters.precision + " float;\nprecision " + parameters.precision + " int;";
  if (parameters.precision === "highp") {
    precisionstring += "\n#define HIGH_PRECISION";
  } else if (parameters.precision === "mediump") {
    precisionstring += "\n#define MEDIUM_PRECISION";
  } else if (parameters.precision === "lowp") {
    precisionstring += "\n#define LOW_PRECISION";
  }
  return precisionstring;
}
function generateShadowMapTypeDefine(parameters) {
  let shadowMapTypeDefine = "SHADOWMAP_TYPE_BASIC";
  if (parameters.shadowMapType === PCFShadowMap) {
    shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF";
  } else if (parameters.shadowMapType === PCFSoftShadowMap) {
    shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF_SOFT";
  } else if (parameters.shadowMapType === VSMShadowMap) {
    shadowMapTypeDefine = "SHADOWMAP_TYPE_VSM";
  }
  return shadowMapTypeDefine;
}
function generateEnvMapTypeDefine(parameters) {
  let envMapTypeDefine = "ENVMAP_TYPE_CUBE";
  if (parameters.envMap) {
    switch (parameters.envMapMode) {
      case CubeReflectionMapping:
      case CubeRefractionMapping:
        envMapTypeDefine = "ENVMAP_TYPE_CUBE";
        break;
      case CubeUVReflectionMapping:
      case CubeUVRefractionMapping:
        envMapTypeDefine = "ENVMAP_TYPE_CUBE_UV";
        break;
    }
  }
  return envMapTypeDefine;
}
function generateEnvMapModeDefine(parameters) {
  let envMapModeDefine = "ENVMAP_MODE_REFLECTION";
  if (parameters.envMap) {
    switch (parameters.envMapMode) {
      case CubeRefractionMapping:
      case CubeUVRefractionMapping:
        envMapModeDefine = "ENVMAP_MODE_REFRACTION";
        break;
    }
  }
  return envMapModeDefine;
}
function generateEnvMapBlendingDefine(parameters) {
  let envMapBlendingDefine = "ENVMAP_BLENDING_NONE";
  if (parameters.envMap) {
    switch (parameters.combine) {
      case MultiplyOperation:
        envMapBlendingDefine = "ENVMAP_BLENDING_MULTIPLY";
        break;
      case MixOperation:
        envMapBlendingDefine = "ENVMAP_BLENDING_MIX";
        break;
      case AddOperation:
        envMapBlendingDefine = "ENVMAP_BLENDING_ADD";
        break;
    }
  }
  return envMapBlendingDefine;
}
function WebGLProgram(renderer, cacheKey, parameters, bindingStates) {
  const gl = renderer.getContext();
  const defines = parameters.defines;
  let vertexShader = parameters.vertexShader;
  let fragmentShader = parameters.fragmentShader;
  const shadowMapTypeDefine = generateShadowMapTypeDefine(parameters);
  const envMapTypeDefine = generateEnvMapTypeDefine(parameters);
  const envMapModeDefine = generateEnvMapModeDefine(parameters);
  const envMapBlendingDefine = generateEnvMapBlendingDefine(parameters);
  const gammaFactorDefine = renderer.gammaFactor > 0 ? renderer.gammaFactor : 1;
  const customExtensions = parameters.isWebGL2 ? "" : generateExtensions(parameters);
  const customDefines = generateDefines(defines);
  const program = gl.createProgram();
  let prefixVertex, prefixFragment;
  let versionString = parameters.glslVersion ? "#version " + parameters.glslVersion + "\n" : "";
  if (parameters.isRawShaderMaterial) {
    prefixVertex = [
      customDefines
    ].filter(filterEmptyLine).join("\n");
    if (prefixVertex.length > 0) {
      prefixVertex += "\n";
    }
    prefixFragment = [
      customExtensions,
      customDefines
    ].filter(filterEmptyLine).join("\n");
    if (prefixFragment.length > 0) {
      prefixFragment += "\n";
    }
  } else {
    prefixVertex = [
      generatePrecision(parameters),
      "#define SHADER_NAME " + parameters.shaderName,
      customDefines,
      parameters.instancing ? "#define USE_INSTANCING" : "",
      parameters.instancingColor ? "#define USE_INSTANCING_COLOR" : "",
      parameters.supportsVertexTextures ? "#define VERTEX_TEXTURES" : "",
      "#define GAMMA_FACTOR " + gammaFactorDefine,
      "#define MAX_BONES " + parameters.maxBones,
      parameters.useFog && parameters.fog ? "#define USE_FOG" : "",
      parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "",
      parameters.map ? "#define USE_MAP" : "",
      parameters.envMap ? "#define USE_ENVMAP" : "",
      parameters.envMap ? "#define " + envMapModeDefine : "",
      parameters.lightMap ? "#define USE_LIGHTMAP" : "",
      parameters.aoMap ? "#define USE_AOMAP" : "",
      parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "",
      parameters.bumpMap ? "#define USE_BUMPMAP" : "",
      parameters.normalMap ? "#define USE_NORMALMAP" : "",
      parameters.normalMap && parameters.objectSpaceNormalMap ? "#define OBJECTSPACE_NORMALMAP" : "",
      parameters.normalMap && parameters.tangentSpaceNormalMap ? "#define TANGENTSPACE_NORMALMAP" : "",
      parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "",
      parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "",
      parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "",
      parameters.displacementMap && parameters.supportsVertexTextures ? "#define USE_DISPLACEMENTMAP" : "",
      parameters.specularMap ? "#define USE_SPECULARMAP" : "",
      parameters.specularIntensityMap ? "#define USE_SPECULARINTENSITYMAP" : "",
      parameters.specularTintMap ? "#define USE_SPECULARTINTMAP" : "",
      parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "",
      parameters.metalnessMap ? "#define USE_METALNESSMAP" : "",
      parameters.alphaMap ? "#define USE_ALPHAMAP" : "",
      parameters.transmission ? "#define USE_TRANSMISSION" : "",
      parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "",
      parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "",
      parameters.vertexTangents ? "#define USE_TANGENT" : "",
      parameters.vertexColors ? "#define USE_COLOR" : "",
      parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "",
      parameters.vertexUvs ? "#define USE_UV" : "",
      parameters.uvsVertexOnly ? "#define UVS_VERTEX_ONLY" : "",
      parameters.flatShading ? "#define FLAT_SHADED" : "",
      parameters.skinning ? "#define USE_SKINNING" : "",
      parameters.useVertexTexture ? "#define BONE_TEXTURE" : "",
      parameters.morphTargets ? "#define USE_MORPHTARGETS" : "",
      parameters.morphNormals && parameters.flatShading === false ? "#define USE_MORPHNORMALS" : "",
      parameters.doubleSided ? "#define DOUBLE_SIDED" : "",
      parameters.flipSided ? "#define FLIP_SIDED" : "",
      parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "",
      parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "",
      parameters.sizeAttenuation ? "#define USE_SIZEATTENUATION" : "",
      parameters.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "",
      parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "",
      "uniform mat4 modelMatrix;",
      "uniform mat4 modelViewMatrix;",
      "uniform mat4 projectionMatrix;",
      "uniform mat4 viewMatrix;",
      "uniform mat3 normalMatrix;",
      "uniform vec3 cameraPosition;",
      "uniform bool isOrthographic;",
      "#ifdef USE_INSTANCING",
      "	attribute mat4 instanceMatrix;",
      "#endif",
      "#ifdef USE_INSTANCING_COLOR",
      "	attribute vec3 instanceColor;",
      "#endif",
      "attribute vec3 position;",
      "attribute vec3 normal;",
      "attribute vec2 uv;",
      "#ifdef USE_TANGENT",
      "	attribute vec4 tangent;",
      "#endif",
      "#if defined( USE_COLOR_ALPHA )",
      "	attribute vec4 color;",
      "#elif defined( USE_COLOR )",
      "	attribute vec3 color;",
      "#endif",
      "#ifdef USE_MORPHTARGETS",
      "	attribute vec3 morphTarget0;",
      "	attribute vec3 morphTarget1;",
      "	attribute vec3 morphTarget2;",
      "	attribute vec3 morphTarget3;",
      "	#ifdef USE_MORPHNORMALS",
      "		attribute vec3 morphNormal0;",
      "		attribute vec3 morphNormal1;",
      "		attribute vec3 morphNormal2;",
      "		attribute vec3 morphNormal3;",
      "	#else",
      "		attribute vec3 morphTarget4;",
      "		attribute vec3 morphTarget5;",
      "		attribute vec3 morphTarget6;",
      "		attribute vec3 morphTarget7;",
      "	#endif",
      "#endif",
      "#ifdef USE_SKINNING",
      "	attribute vec4 skinIndex;",
      "	attribute vec4 skinWeight;",
      "#endif",
      "\n"
    ].filter(filterEmptyLine).join("\n");
    prefixFragment = [
      customExtensions,
      generatePrecision(parameters),
      "#define SHADER_NAME " + parameters.shaderName,
      customDefines,
      "#define GAMMA_FACTOR " + gammaFactorDefine,
      parameters.useFog && parameters.fog ? "#define USE_FOG" : "",
      parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "",
      parameters.map ? "#define USE_MAP" : "",
      parameters.matcap ? "#define USE_MATCAP" : "",
      parameters.envMap ? "#define USE_ENVMAP" : "",
      parameters.envMap ? "#define " + envMapTypeDefine : "",
      parameters.envMap ? "#define " + envMapModeDefine : "",
      parameters.envMap ? "#define " + envMapBlendingDefine : "",
      parameters.lightMap ? "#define USE_LIGHTMAP" : "",
      parameters.aoMap ? "#define USE_AOMAP" : "",
      parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "",
      parameters.bumpMap ? "#define USE_BUMPMAP" : "",
      parameters.normalMap ? "#define USE_NORMALMAP" : "",
      parameters.normalMap && parameters.objectSpaceNormalMap ? "#define OBJECTSPACE_NORMALMAP" : "",
      parameters.normalMap && parameters.tangentSpaceNormalMap ? "#define TANGENTSPACE_NORMALMAP" : "",
      parameters.clearcoat ? "#define USE_CLEARCOAT" : "",
      parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "",
      parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "",
      parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "",
      parameters.specularMap ? "#define USE_SPECULARMAP" : "",
      parameters.specularIntensityMap ? "#define USE_SPECULARINTENSITYMAP" : "",
      parameters.specularTintMap ? "#define USE_SPECULARTINTMAP" : "",
      parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "",
      parameters.metalnessMap ? "#define USE_METALNESSMAP" : "",
      parameters.alphaMap ? "#define USE_ALPHAMAP" : "",
      parameters.alphaTest ? "#define USE_ALPHATEST" : "",
      parameters.sheenTint ? "#define USE_SHEEN" : "",
      parameters.transmission ? "#define USE_TRANSMISSION" : "",
      parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "",
      parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "",
      parameters.vertexTangents ? "#define USE_TANGENT" : "",
      parameters.vertexColors || parameters.instancingColor ? "#define USE_COLOR" : "",
      parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "",
      parameters.vertexUvs ? "#define USE_UV" : "",
      parameters.uvsVertexOnly ? "#define UVS_VERTEX_ONLY" : "",
      parameters.gradientMap ? "#define USE_GRADIENTMAP" : "",
      parameters.flatShading ? "#define FLAT_SHADED" : "",
      parameters.doubleSided ? "#define DOUBLE_SIDED" : "",
      parameters.flipSided ? "#define FLIP_SIDED" : "",
      parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "",
      parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "",
      parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : "",
      parameters.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : "",
      parameters.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "",
      parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "",
      (parameters.extensionShaderTextureLOD || parameters.envMap) && parameters.rendererExtensionShaderTextureLod ? "#define TEXTURE_LOD_EXT" : "",
      "uniform mat4 viewMatrix;",
      "uniform vec3 cameraPosition;",
      "uniform bool isOrthographic;",
      parameters.toneMapping !== NoToneMapping ? "#define TONE_MAPPING" : "",
      parameters.toneMapping !== NoToneMapping ? ShaderChunk["tonemapping_pars_fragment"] : "",
      parameters.toneMapping !== NoToneMapping ? getToneMappingFunction("toneMapping", parameters.toneMapping) : "",
      parameters.dithering ? "#define DITHERING" : "",
      parameters.format === RGBFormat ? "#define OPAQUE" : "",
      ShaderChunk["encodings_pars_fragment"],
      parameters.map ? getTexelDecodingFunction("mapTexelToLinear", parameters.mapEncoding) : "",
      parameters.matcap ? getTexelDecodingFunction("matcapTexelToLinear", parameters.matcapEncoding) : "",
      parameters.envMap ? getTexelDecodingFunction("envMapTexelToLinear", parameters.envMapEncoding) : "",
      parameters.emissiveMap ? getTexelDecodingFunction("emissiveMapTexelToLinear", parameters.emissiveMapEncoding) : "",
      parameters.specularTintMap ? getTexelDecodingFunction("specularTintMapTexelToLinear", parameters.specularTintMapEncoding) : "",
      parameters.lightMap ? getTexelDecodingFunction("lightMapTexelToLinear", parameters.lightMapEncoding) : "",
      getTexelEncodingFunction("linearToOutputTexel", parameters.outputEncoding),
      parameters.depthPacking ? "#define DEPTH_PACKING " + parameters.depthPacking : "",
      "\n"
    ].filter(filterEmptyLine).join("\n");
  }
  vertexShader = resolveIncludes(vertexShader);
  vertexShader = replaceLightNums(vertexShader, parameters);
  vertexShader = replaceClippingPlaneNums(vertexShader, parameters);
  fragmentShader = resolveIncludes(fragmentShader);
  fragmentShader = replaceLightNums(fragmentShader, parameters);
  fragmentShader = replaceClippingPlaneNums(fragmentShader, parameters);
  vertexShader = unrollLoops(vertexShader);
  fragmentShader = unrollLoops(fragmentShader);
  if (parameters.isWebGL2 && parameters.isRawShaderMaterial !== true) {
    versionString = "#version 300 es\n";
    prefixVertex = [
      "#define attribute in",
      "#define varying out",
      "#define texture2D texture"
    ].join("\n") + "\n" + prefixVertex;
    prefixFragment = [
      "#define varying in",
      parameters.glslVersion === GLSL3 ? "" : "out highp vec4 pc_fragColor;",
      parameters.glslVersion === GLSL3 ? "" : "#define gl_FragColor pc_fragColor",
      "#define gl_FragDepthEXT gl_FragDepth",
      "#define texture2D texture",
      "#define textureCube texture",
      "#define texture2DProj textureProj",
      "#define texture2DLodEXT textureLod",
      "#define texture2DProjLodEXT textureProjLod",
      "#define textureCubeLodEXT textureLod",
      "#define texture2DGradEXT textureGrad",
      "#define texture2DProjGradEXT textureProjGrad",
      "#define textureCubeGradEXT textureGrad"
    ].join("\n") + "\n" + prefixFragment;
  }
  const vertexGlsl = versionString + prefixVertex + vertexShader;
  const fragmentGlsl = versionString + prefixFragment + fragmentShader;
  const glVertexShader = WebGLShader(gl, 35633, vertexGlsl);
  const glFragmentShader = WebGLShader(gl, 35632, fragmentGlsl);
  gl.attachShader(program, glVertexShader);
  gl.attachShader(program, glFragmentShader);
  if (parameters.index0AttributeName !== void 0) {
    gl.bindAttribLocation(program, 0, parameters.index0AttributeName);
  } else if (parameters.morphTargets === true) {
    gl.bindAttribLocation(program, 0, "position");
  }
  gl.linkProgram(program);
  if (renderer.debug.checkShaderErrors) {
    const programLog = gl.getProgramInfoLog(program).trim();
    const vertexLog = gl.getShaderInfoLog(glVertexShader).trim();
    const fragmentLog = gl.getShaderInfoLog(glFragmentShader).trim();
    let runnable = true;
    let haveDiagnostics = true;
    if (gl.getProgramParameter(program, 35714) === false) {
      runnable = false;
      const vertexErrors = getShaderErrors(gl, glVertexShader, "vertex");
      const fragmentErrors = getShaderErrors(gl, glFragmentShader, "fragment");
      console.error("THREE.WebGLProgram: Shader Error " + gl.getError() + " - VALIDATE_STATUS " + gl.getProgramParameter(program, 35715) + "\n\nProgram Info Log: " + programLog + "\n" + vertexErrors + "\n" + fragmentErrors);
    } else if (programLog !== "") {
      console.warn("THREE.WebGLProgram: Program Info Log:", programLog);
    } else if (vertexLog === "" || fragmentLog === "") {
      haveDiagnostics = false;
    }
    if (haveDiagnostics) {
      this.diagnostics = {
        runnable,
        programLog,
        vertexShader: {
          log: vertexLog,
          prefix: prefixVertex
        },
        fragmentShader: {
          log: fragmentLog,
          prefix: prefixFragment
        }
      };
    }
  }
  gl.deleteShader(glVertexShader);
  gl.deleteShader(glFragmentShader);
  let cachedUniforms;
  this.getUniforms = function() {
    if (cachedUniforms === void 0) {
      cachedUniforms = new WebGLUniforms(gl, program);
    }
    return cachedUniforms;
  };
  let cachedAttributes;
  this.getAttributes = function() {
    if (cachedAttributes === void 0) {
      cachedAttributes = fetchAttributeLocations(gl, program);
    }
    return cachedAttributes;
  };
  this.destroy = function() {
    bindingStates.releaseStatesOfProgram(this);
    gl.deleteProgram(program);
    this.program = void 0;
  };
  this.name = parameters.shaderName;
  this.id = programIdCount++;
  this.cacheKey = cacheKey;
  this.usedTimes = 1;
  this.program = program;
  this.vertexShader = glVertexShader;
  this.fragmentShader = glFragmentShader;
  return this;
}
function WebGLPrograms(renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping) {
  const programs = [];
  const isWebGL2 = capabilities.isWebGL2;
  const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;
  const floatVertexTextures = capabilities.floatVertexTextures;
  const maxVertexUniforms = capabilities.maxVertexUniforms;
  const vertexTextures = capabilities.vertexTextures;
  let precision = capabilities.precision;
  const shaderIDs = {
    MeshDepthMaterial: "depth",
    MeshDistanceMaterial: "distanceRGBA",
    MeshNormalMaterial: "normal",
    MeshBasicMaterial: "basic",
    MeshLambertMaterial: "lambert",
    MeshPhongMaterial: "phong",
    MeshToonMaterial: "toon",
    MeshStandardMaterial: "physical",
    MeshPhysicalMaterial: "physical",
    MeshMatcapMaterial: "matcap",
    LineBasicMaterial: "basic",
    LineDashedMaterial: "dashed",
    PointsMaterial: "points",
    ShadowMaterial: "shadow",
    SpriteMaterial: "sprite"
  };
  const parameterNames = [
    "precision",
    "isWebGL2",
    "supportsVertexTextures",
    "outputEncoding",
    "instancing",
    "instancingColor",
    "map",
    "mapEncoding",
    "matcap",
    "matcapEncoding",
    "envMap",
    "envMapMode",
    "envMapEncoding",
    "envMapCubeUV",
    "lightMap",
    "lightMapEncoding",
    "aoMap",
    "emissiveMap",
    "emissiveMapEncoding",
    "bumpMap",
    "normalMap",
    "objectSpaceNormalMap",
    "tangentSpaceNormalMap",
    "clearcoat",
    "clearcoatMap",
    "clearcoatRoughnessMap",
    "clearcoatNormalMap",
    "displacementMap",
    "specularMap",
    "specularIntensityMap",
    "specularTintMap",
    "specularTintMapEncoding",
    "roughnessMap",
    "metalnessMap",
    "gradientMap",
    "alphaMap",
    "alphaTest",
    "combine",
    "vertexColors",
    "vertexAlphas",
    "vertexTangents",
    "vertexUvs",
    "uvsVertexOnly",
    "fog",
    "useFog",
    "fogExp2",
    "flatShading",
    "sizeAttenuation",
    "logarithmicDepthBuffer",
    "skinning",
    "maxBones",
    "useVertexTexture",
    "morphTargets",
    "morphNormals",
    "premultipliedAlpha",
    "numDirLights",
    "numPointLights",
    "numSpotLights",
    "numHemiLights",
    "numRectAreaLights",
    "numDirLightShadows",
    "numPointLightShadows",
    "numSpotLightShadows",
    "shadowMapEnabled",
    "shadowMapType",
    "toneMapping",
    "physicallyCorrectLights",
    "doubleSided",
    "flipSided",
    "numClippingPlanes",
    "numClipIntersection",
    "depthPacking",
    "dithering",
    "format",
    "sheenTint",
    "transmission",
    "transmissionMap",
    "thicknessMap"
  ];
  function getMaxBones(object) {
    const skeleton = object.skeleton;
    const bones = skeleton.bones;
    if (floatVertexTextures) {
      return 1024;
    } else {
      const nVertexUniforms = maxVertexUniforms;
      const nVertexMatrices = Math.floor((nVertexUniforms - 20) / 4);
      const maxBones = Math.min(nVertexMatrices, bones.length);
      if (maxBones < bones.length) {
        console.warn("THREE.WebGLRenderer: Skeleton has " + bones.length + " bones. This GPU supports " + maxBones + ".");
        return 0;
      }
      return maxBones;
    }
  }
  function getTextureEncodingFromMap(map) {
    let encoding;
    if (map && map.isTexture) {
      encoding = map.encoding;
    } else if (map && map.isWebGLRenderTarget) {
      console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead.");
      encoding = map.texture.encoding;
    } else {
      encoding = LinearEncoding;
    }
    return encoding;
  }
  function getParameters(material, lights, shadows, scene, object) {
    const fog = scene.fog;
    const environment = material.isMeshStandardMaterial ? scene.environment : null;
    const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment);
    const shaderID = shaderIDs[material.type];
    const maxBones = object.isSkinnedMesh ? getMaxBones(object) : 0;
    if (material.precision !== null) {
      precision = capabilities.getMaxPrecision(material.precision);
      if (precision !== material.precision) {
        console.warn("THREE.WebGLProgram.getParameters:", material.precision, "not supported, using", precision, "instead.");
      }
    }
    let vertexShader, fragmentShader;
    if (shaderID) {
      const shader = ShaderLib[shaderID];
      vertexShader = shader.vertexShader;
      fragmentShader = shader.fragmentShader;
    } else {
      vertexShader = material.vertexShader;
      fragmentShader = material.fragmentShader;
    }
    const currentRenderTarget = renderer.getRenderTarget();
    const useAlphaTest = material.alphaTest > 0;
    const useClearcoat = material.clearcoat > 0;
    const parameters = {
      isWebGL2,
      shaderID,
      shaderName: material.type,
      vertexShader,
      fragmentShader,
      defines: material.defines,
      isRawShaderMaterial: material.isRawShaderMaterial === true,
      glslVersion: material.glslVersion,
      precision,
      instancing: object.isInstancedMesh === true,
      instancingColor: object.isInstancedMesh === true && object.instanceColor !== null,
      supportsVertexTextures: vertexTextures,
      outputEncoding: currentRenderTarget !== null ? getTextureEncodingFromMap(currentRenderTarget.texture) : renderer.outputEncoding,
      map: !!material.map,
      mapEncoding: getTextureEncodingFromMap(material.map),
      matcap: !!material.matcap,
      matcapEncoding: getTextureEncodingFromMap(material.matcap),
      envMap: !!envMap,
      envMapMode: envMap && envMap.mapping,
      envMapEncoding: getTextureEncodingFromMap(envMap),
      envMapCubeUV: !!envMap && (envMap.mapping === CubeUVReflectionMapping || envMap.mapping === CubeUVRefractionMapping),
      lightMap: !!material.lightMap,
      lightMapEncoding: getTextureEncodingFromMap(material.lightMap),
      aoMap: !!material.aoMap,
      emissiveMap: !!material.emissiveMap,
      emissiveMapEncoding: getTextureEncodingFromMap(material.emissiveMap),
      bumpMap: !!material.bumpMap,
      normalMap: !!material.normalMap,
      objectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,
      tangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,
      clearcoat: useClearcoat,
      clearcoatMap: useClearcoat && !!material.clearcoatMap,
      clearcoatRoughnessMap: useClearcoat && !!material.clearcoatRoughnessMap,
      clearcoatNormalMap: useClearcoat && !!material.clearcoatNormalMap,
      displacementMap: !!material.displacementMap,
      roughnessMap: !!material.roughnessMap,
      metalnessMap: !!material.metalnessMap,
      specularMap: !!material.specularMap,
      specularIntensityMap: !!material.specularIntensityMap,
      specularTintMap: !!material.specularTintMap,
      specularTintMapEncoding: getTextureEncodingFromMap(material.specularTintMap),
      alphaMap: !!material.alphaMap,
      alphaTest: useAlphaTest,
      gradientMap: !!material.gradientMap,
      sheenTint: !!material.sheenTint && (material.sheenTint.r > 0 || material.sheenTint.g > 0 || material.sheenTint.b > 0),
      transmission: material.transmission > 0,
      transmissionMap: !!material.transmissionMap,
      thicknessMap: !!material.thicknessMap,
      combine: material.combine,
      vertexTangents: !!material.normalMap && !!object.geometry && !!object.geometry.attributes.tangent,
      vertexColors: material.vertexColors,
      vertexAlphas: material.vertexColors === true && !!object.geometry && !!object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,
      vertexUvs: !!material.map || !!material.bumpMap || !!material.normalMap || !!material.specularMap || !!material.alphaMap || !!material.emissiveMap || !!material.roughnessMap || !!material.metalnessMap || !!material.clearcoatMap || !!material.clearcoatRoughnessMap || !!material.clearcoatNormalMap || !!material.displacementMap || !!material.transmissionMap || !!material.thicknessMap || !!material.specularIntensityMap || !!material.specularTintMap,
      uvsVertexOnly: !(!!material.map || !!material.bumpMap || !!material.normalMap || !!material.specularMap || !!material.alphaMap || !!material.emissiveMap || !!material.roughnessMap || !!material.metalnessMap || !!material.clearcoatNormalMap || material.transmission > 0 || !!material.transmissionMap || !!material.thicknessMap || !!material.specularIntensityMap || !!material.specularTintMap) && !!material.displacementMap,
      fog: !!fog,
      useFog: material.fog,
      fogExp2: fog && fog.isFogExp2,
      flatShading: !!material.flatShading,
      sizeAttenuation: material.sizeAttenuation,
      logarithmicDepthBuffer,
      skinning: object.isSkinnedMesh === true && maxBones > 0,
      maxBones,
      useVertexTexture: floatVertexTextures,
      morphTargets: !!object.geometry && !!object.geometry.morphAttributes.position,
      morphNormals: !!object.geometry && !!object.geometry.morphAttributes.normal,
      numDirLights: lights.directional.length,
      numPointLights: lights.point.length,
      numSpotLights: lights.spot.length,
      numRectAreaLights: lights.rectArea.length,
      numHemiLights: lights.hemi.length,
      numDirLightShadows: lights.directionalShadowMap.length,
      numPointLightShadows: lights.pointShadowMap.length,
      numSpotLightShadows: lights.spotShadowMap.length,
      numClippingPlanes: clipping.numPlanes,
      numClipIntersection: clipping.numIntersection,
      format: material.format,
      dithering: material.dithering,
      shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,
      shadowMapType: renderer.shadowMap.type,
      toneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,
      physicallyCorrectLights: renderer.physicallyCorrectLights,
      premultipliedAlpha: material.premultipliedAlpha,
      doubleSided: material.side === DoubleSide,
      flipSided: material.side === BackSide,
      depthPacking: material.depthPacking !== void 0 ? material.depthPacking : false,
      index0AttributeName: material.index0AttributeName,
      extensionDerivatives: material.extensions && material.extensions.derivatives,
      extensionFragDepth: material.extensions && material.extensions.fragDepth,
      extensionDrawBuffers: material.extensions && material.extensions.drawBuffers,
      extensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,
      rendererExtensionFragDepth: isWebGL2 || extensions.has("EXT_frag_depth"),
      rendererExtensionDrawBuffers: isWebGL2 || extensions.has("WEBGL_draw_buffers"),
      rendererExtensionShaderTextureLod: isWebGL2 || extensions.has("EXT_shader_texture_lod"),
      customProgramCacheKey: material.customProgramCacheKey()
    };
    return parameters;
  }
  function getProgramCacheKey(parameters) {
    const array = [];
    if (parameters.shaderID) {
      array.push(parameters.shaderID);
    } else {
      array.push(parameters.fragmentShader);
      array.push(parameters.vertexShader);
    }
    if (parameters.defines !== void 0) {
      for (const name in parameters.defines) {
        array.push(name);
        array.push(parameters.defines[name]);
      }
    }
    if (parameters.isRawShaderMaterial === false) {
      for (let i = 0; i < parameterNames.length; i++) {
        array.push(parameters[parameterNames[i]]);
      }
      array.push(renderer.outputEncoding);
      array.push(renderer.gammaFactor);
    }
    array.push(parameters.customProgramCacheKey);
    return array.join();
  }
  function getUniforms(material) {
    const shaderID = shaderIDs[material.type];
    let uniforms;
    if (shaderID) {
      const shader = ShaderLib[shaderID];
      uniforms = UniformsUtils.clone(shader.uniforms);
    } else {
      uniforms = material.uniforms;
    }
    return uniforms;
  }
  function acquireProgram(parameters, cacheKey) {
    let program;
    for (let p2 = 0, pl = programs.length; p2 < pl; p2++) {
      const preexistingProgram = programs[p2];
      if (preexistingProgram.cacheKey === cacheKey) {
        program = preexistingProgram;
        ++program.usedTimes;
        break;
      }
    }
    if (program === void 0) {
      program = new WebGLProgram(renderer, cacheKey, parameters, bindingStates);
      programs.push(program);
    }
    return program;
  }
  function releaseProgram(program) {
    if (--program.usedTimes === 0) {
      const i = programs.indexOf(program);
      programs[i] = programs[programs.length - 1];
      programs.pop();
      program.destroy();
    }
  }
  return {
    getParameters,
    getProgramCacheKey,
    getUniforms,
    acquireProgram,
    releaseProgram,
    programs
  };
}
function WebGLProperties() {
  let properties = new WeakMap();
  function get(object) {
    let map = properties.get(object);
    if (map === void 0) {
      map = {};
      properties.set(object, map);
    }
    return map;
  }
  function remove(object) {
    properties.delete(object);
  }
  function update(object, key, value) {
    properties.get(object)[key] = value;
  }
  function dispose() {
    properties = new WeakMap();
  }
  return {
    get,
    remove,
    update,
    dispose
  };
}
function painterSortStable(a2, b2) {
  if (a2.groupOrder !== b2.groupOrder) {
    return a2.groupOrder - b2.groupOrder;
  } else if (a2.renderOrder !== b2.renderOrder) {
    return a2.renderOrder - b2.renderOrder;
  } else if (a2.program !== b2.program) {
    return a2.program.id - b2.program.id;
  } else if (a2.material.id !== b2.material.id) {
    return a2.material.id - b2.material.id;
  } else if (a2.z !== b2.z) {
    return a2.z - b2.z;
  } else {
    return a2.id - b2.id;
  }
}
function reversePainterSortStable(a2, b2) {
  if (a2.groupOrder !== b2.groupOrder) {
    return a2.groupOrder - b2.groupOrder;
  } else if (a2.renderOrder !== b2.renderOrder) {
    return a2.renderOrder - b2.renderOrder;
  } else if (a2.z !== b2.z) {
    return b2.z - a2.z;
  } else {
    return a2.id - b2.id;
  }
}
function WebGLRenderList(properties) {
  const renderItems = [];
  let renderItemsIndex = 0;
  const opaque = [];
  const transmissive = [];
  const transparent = [];
  const defaultProgram = { id: -1 };
  function init() {
    renderItemsIndex = 0;
    opaque.length = 0;
    transmissive.length = 0;
    transparent.length = 0;
  }
  function getNextRenderItem(object, geometry, material, groupOrder, z, group) {
    let renderItem = renderItems[renderItemsIndex];
    const materialProperties = properties.get(material);
    if (renderItem === void 0) {
      renderItem = {
        id: object.id,
        object,
        geometry,
        material,
        program: materialProperties.program || defaultProgram,
        groupOrder,
        renderOrder: object.renderOrder,
        z,
        group
      };
      renderItems[renderItemsIndex] = renderItem;
    } else {
      renderItem.id = object.id;
      renderItem.object = object;
      renderItem.geometry = geometry;
      renderItem.material = material;
      renderItem.program = materialProperties.program || defaultProgram;
      renderItem.groupOrder = groupOrder;
      renderItem.renderOrder = object.renderOrder;
      renderItem.z = z;
      renderItem.group = group;
    }
    renderItemsIndex++;
    return renderItem;
  }
  function push(object, geometry, material, groupOrder, z, group) {
    const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group);
    if (material.transmission > 0) {
      transmissive.push(renderItem);
    } else if (material.transparent === true) {
      transparent.push(renderItem);
    } else {
      opaque.push(renderItem);
    }
  }
  function unshift(object, geometry, material, groupOrder, z, group) {
    const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group);
    if (material.transmission > 0) {
      transmissive.unshift(renderItem);
    } else if (material.transparent === true) {
      transparent.unshift(renderItem);
    } else {
      opaque.unshift(renderItem);
    }
  }
  function sort(customOpaqueSort, customTransparentSort) {
    if (opaque.length > 1)
      opaque.sort(customOpaqueSort || painterSortStable);
    if (transmissive.length > 1)
      transmissive.sort(customTransparentSort || reversePainterSortStable);
    if (transparent.length > 1)
      transparent.sort(customTransparentSort || reversePainterSortStable);
  }
  function finish() {
    for (let i = renderItemsIndex, il = renderItems.length; i < il; i++) {
      const renderItem = renderItems[i];
      if (renderItem.id === null)
        break;
      renderItem.id = null;
      renderItem.object = null;
      renderItem.geometry = null;
      renderItem.material = null;
      renderItem.program = null;
      renderItem.group = null;
    }
  }
  return {
    opaque,
    transmissive,
    transparent,
    init,
    push,
    unshift,
    finish,
    sort
  };
}
function WebGLRenderLists(properties) {
  let lists = new WeakMap();
  function get(scene, renderCallDepth) {
    let list;
    if (lists.has(scene) === false) {
      list = new WebGLRenderList(properties);
      lists.set(scene, [list]);
    } else {
      if (renderCallDepth >= lists.get(scene).length) {
        list = new WebGLRenderList(properties);
        lists.get(scene).push(list);
      } else {
        list = lists.get(scene)[renderCallDepth];
      }
    }
    return list;
  }
  function dispose() {
    lists = new WeakMap();
  }
  return {
    get,
    dispose
  };
}
function UniformsCache() {
  const lights = {};
  return {
    get: function(light) {
      if (lights[light.id] !== void 0) {
        return lights[light.id];
      }
      let uniforms;
      switch (light.type) {
        case "DirectionalLight":
          uniforms = {
            direction: new Vector3(),
            color: new Color()
          };
          break;
        case "SpotLight":
          uniforms = {
            position: new Vector3(),
            direction: new Vector3(),
            color: new Color(),
            distance: 0,
            coneCos: 0,
            penumbraCos: 0,
            decay: 0
          };
          break;
        case "PointLight":
          uniforms = {
            position: new Vector3(),
            color: new Color(),
            distance: 0,
            decay: 0
          };
          break;
        case "HemisphereLight":
          uniforms = {
            direction: new Vector3(),
            skyColor: new Color(),
            groundColor: new Color()
          };
          break;
        case "RectAreaLight":
          uniforms = {
            color: new Color(),
            position: new Vector3(),
            halfWidth: new Vector3(),
            halfHeight: new Vector3()
          };
          break;
      }
      lights[light.id] = uniforms;
      return uniforms;
    }
  };
}
function ShadowUniformsCache() {
  const lights = {};
  return {
    get: function(light) {
      if (lights[light.id] !== void 0) {
        return lights[light.id];
      }
      let uniforms;
      switch (light.type) {
        case "DirectionalLight":
          uniforms = {
            shadowBias: 0,
            shadowNormalBias: 0,
            shadowRadius: 1,
            shadowMapSize: new Vector2()
          };
          break;
        case "SpotLight":
          uniforms = {
            shadowBias: 0,
            shadowNormalBias: 0,
            shadowRadius: 1,
            shadowMapSize: new Vector2()
          };
          break;
        case "PointLight":
          uniforms = {
            shadowBias: 0,
            shadowNormalBias: 0,
            shadowRadius: 1,
            shadowMapSize: new Vector2(),
            shadowCameraNear: 1,
            shadowCameraFar: 1e3
          };
          break;
      }
      lights[light.id] = uniforms;
      return uniforms;
    }
  };
}
var nextVersion = 0;
function shadowCastingLightsFirst(lightA, lightB) {
  return (lightB.castShadow ? 1 : 0) - (lightA.castShadow ? 1 : 0);
}
function WebGLLights(extensions, capabilities) {
  const cache = new UniformsCache();
  const shadowCache = ShadowUniformsCache();
  const state = {
    version: 0,
    hash: {
      directionalLength: -1,
      pointLength: -1,
      spotLength: -1,
      rectAreaLength: -1,
      hemiLength: -1,
      numDirectionalShadows: -1,
      numPointShadows: -1,
      numSpotShadows: -1
    },
    ambient: [0, 0, 0],
    probe: [],
    directional: [],
    directionalShadow: [],
    directionalShadowMap: [],
    directionalShadowMatrix: [],
    spot: [],
    spotShadow: [],
    spotShadowMap: [],
    spotShadowMatrix: [],
    rectArea: [],
    rectAreaLTC1: null,
    rectAreaLTC2: null,
    point: [],
    pointShadow: [],
    pointShadowMap: [],
    pointShadowMatrix: [],
    hemi: []
  };
  for (let i = 0; i < 9; i++)
    state.probe.push(new Vector3());
  const vector3 = new Vector3();
  const matrix4 = new Matrix4();
  const matrix42 = new Matrix4();
  function setup(lights, physicallyCorrectLights) {
    let r = 0, g = 0, b2 = 0;
    for (let i = 0; i < 9; i++)
      state.probe[i].set(0, 0, 0);
    let directionalLength = 0;
    let pointLength = 0;
    let spotLength = 0;
    let rectAreaLength = 0;
    let hemiLength = 0;
    let numDirectionalShadows = 0;
    let numPointShadows = 0;
    let numSpotShadows = 0;
    lights.sort(shadowCastingLightsFirst);
    const scaleFactor = physicallyCorrectLights !== true ? Math.PI : 1;
    for (let i = 0, l = lights.length; i < l; i++) {
      const light = lights[i];
      const color = light.color;
      const intensity = light.intensity;
      const distance = light.distance;
      const shadowMap = light.shadow && light.shadow.map ? light.shadow.map.texture : null;
      if (light.isAmbientLight) {
        r += color.r * intensity * scaleFactor;
        g += color.g * intensity * scaleFactor;
        b2 += color.b * intensity * scaleFactor;
      } else if (light.isLightProbe) {
        for (let j = 0; j < 9; j++) {
          state.probe[j].addScaledVector(light.sh.coefficients[j], intensity);
        }
      } else if (light.isDirectionalLight) {
        const uniforms = cache.get(light);
        uniforms.color.copy(light.color).multiplyScalar(light.intensity * scaleFactor);
        if (light.castShadow) {
          const shadow = light.shadow;
          const shadowUniforms = shadowCache.get(light);
          shadowUniforms.shadowBias = shadow.bias;
          shadowUniforms.shadowNormalBias = shadow.normalBias;
          shadowUniforms.shadowRadius = shadow.radius;
          shadowUniforms.shadowMapSize = shadow.mapSize;
          state.directionalShadow[directionalLength] = shadowUniforms;
          state.directionalShadowMap[directionalLength] = shadowMap;
          state.directionalShadowMatrix[directionalLength] = light.shadow.matrix;
          numDirectionalShadows++;
        }
        state.directional[directionalLength] = uniforms;
        directionalLength++;
      } else if (light.isSpotLight) {
        const uniforms = cache.get(light);
        uniforms.position.setFromMatrixPosition(light.matrixWorld);
        uniforms.color.copy(color).multiplyScalar(intensity * scaleFactor);
        uniforms.distance = distance;
        uniforms.coneCos = Math.cos(light.angle);
        uniforms.penumbraCos = Math.cos(light.angle * (1 - light.penumbra));
        uniforms.decay = light.decay;
        if (light.castShadow) {
          const shadow = light.shadow;
          const shadowUniforms = shadowCache.get(light);
          shadowUniforms.shadowBias = shadow.bias;
          shadowUniforms.shadowNormalBias = shadow.normalBias;
          shadowUniforms.shadowRadius = shadow.radius;
          shadowUniforms.shadowMapSize = shadow.mapSize;
          state.spotShadow[spotLength] = shadowUniforms;
          state.spotShadowMap[spotLength] = shadowMap;
          state.spotShadowMatrix[spotLength] = light.shadow.matrix;
          numSpotShadows++;
        }
        state.spot[spotLength] = uniforms;
        spotLength++;
      } else if (light.isRectAreaLight) {
        const uniforms = cache.get(light);
        uniforms.color.copy(color).multiplyScalar(intensity);
        uniforms.halfWidth.set(light.width * 0.5, 0, 0);
        uniforms.halfHeight.set(0, light.height * 0.5, 0);
        state.rectArea[rectAreaLength] = uniforms;
        rectAreaLength++;
      } else if (light.isPointLight) {
        const uniforms = cache.get(light);
        uniforms.color.copy(light.color).multiplyScalar(light.intensity * scaleFactor);
        uniforms.distance = light.distance;
        uniforms.decay = light.decay;
        if (light.castShadow) {
          const shadow = light.shadow;
          const shadowUniforms = shadowCache.get(light);
          shadowUniforms.shadowBias = shadow.bias;
          shadowUniforms.shadowNormalBias = shadow.normalBias;
          shadowUniforms.shadowRadius = shadow.radius;
          shadowUniforms.shadowMapSize = shadow.mapSize;
          shadowUniforms.shadowCameraNear = shadow.camera.near;
          shadowUniforms.shadowCameraFar = shadow.camera.far;
          state.pointShadow[pointLength] = shadowUniforms;
          state.pointShadowMap[pointLength] = shadowMap;
          state.pointShadowMatrix[pointLength] = light.shadow.matrix;
          numPointShadows++;
        }
        state.point[pointLength] = uniforms;
        pointLength++;
      } else if (light.isHemisphereLight) {
        const uniforms = cache.get(light);
        uniforms.skyColor.copy(light.color).multiplyScalar(intensity * scaleFactor);
        uniforms.groundColor.copy(light.groundColor).multiplyScalar(intensity * scaleFactor);
        state.hemi[hemiLength] = uniforms;
        hemiLength++;
      }
    }
    if (rectAreaLength > 0) {
      if (capabilities.isWebGL2) {
        state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
        state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
      } else {
        if (extensions.has("OES_texture_float_linear") === true) {
          state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;
          state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;
        } else if (extensions.has("OES_texture_half_float_linear") === true) {
          state.rectAreaLTC1 = UniformsLib.LTC_HALF_1;
          state.rectAreaLTC2 = UniformsLib.LTC_HALF_2;
        } else {
          console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.");
        }
      }
    }
    state.ambient[0] = r;
    state.ambient[1] = g;
    state.ambient[2] = b2;
    const hash = state.hash;
    if (hash.directionalLength !== directionalLength || hash.pointLength !== pointLength || hash.spotLength !== spotLength || hash.rectAreaLength !== rectAreaLength || hash.hemiLength !== hemiLength || hash.numDirectionalShadows !== numDirectionalShadows || hash.numPointShadows !== numPointShadows || hash.numSpotShadows !== numSpotShadows) {
      state.directional.length = directionalLength;
      state.spot.length = spotLength;
      state.rectArea.length = rectAreaLength;
      state.point.length = pointLength;
      state.hemi.length = hemiLength;
      state.directionalShadow.length = numDirectionalShadows;
      state.directionalShadowMap.length = numDirectionalShadows;
      state.pointShadow.length = numPointShadows;
      state.pointShadowMap.length = numPointShadows;
      state.spotShadow.length = numSpotShadows;
      state.spotShadowMap.length = numSpotShadows;
      state.directionalShadowMatrix.length = numDirectionalShadows;
      state.pointShadowMatrix.length = numPointShadows;
      state.spotShadowMatrix.length = numSpotShadows;
      hash.directionalLength = directionalLength;
      hash.pointLength = pointLength;
      hash.spotLength = spotLength;
      hash.rectAreaLength = rectAreaLength;
      hash.hemiLength = hemiLength;
      hash.numDirectionalShadows = numDirectionalShadows;
      hash.numPointShadows = numPointShadows;
      hash.numSpotShadows = numSpotShadows;
      state.version = nextVersion++;
    }
  }
  function setupView(lights, camera) {
    let directionalLength = 0;
    let pointLength = 0;
    let spotLength = 0;
    let rectAreaLength = 0;
    let hemiLength = 0;
    const viewMatrix = camera.matrixWorldInverse;
    for (let i = 0, l = lights.length; i < l; i++) {
      const light = lights[i];
      if (light.isDirectionalLight) {
        const uniforms = state.directional[directionalLength];
        uniforms.direction.setFromMatrixPosition(light.matrixWorld);
        vector3.setFromMatrixPosition(light.target.matrixWorld);
        uniforms.direction.sub(vector3);
        uniforms.direction.transformDirection(viewMatrix);
        directionalLength++;
      } else if (light.isSpotLight) {
        const uniforms = state.spot[spotLength];
        uniforms.position.setFromMatrixPosition(light.matrixWorld);
        uniforms.position.applyMatrix4(viewMatrix);
        uniforms.direction.setFromMatrixPosition(light.matrixWorld);
        vector3.setFromMatrixPosition(light.target.matrixWorld);
        uniforms.direction.sub(vector3);
        uniforms.direction.transformDirection(viewMatrix);
        spotLength++;
      } else if (light.isRectAreaLight) {
        const uniforms = state.rectArea[rectAreaLength];
        uniforms.position.setFromMatrixPosition(light.matrixWorld);
        uniforms.position.applyMatrix4(viewMatrix);
        matrix42.identity();
        matrix4.copy(light.matrixWorld);
        matrix4.premultiply(viewMatrix);
        matrix42.extractRotation(matrix4);
        uniforms.halfWidth.set(light.width * 0.5, 0, 0);
        uniforms.halfHeight.set(0, light.height * 0.5, 0);
        uniforms.halfWidth.applyMatrix4(matrix42);
        uniforms.halfHeight.applyMatrix4(matrix42);
        rectAreaLength++;
      } else if (light.isPointLight) {
        const uniforms = state.point[pointLength];
        uniforms.position.setFromMatrixPosition(light.matrixWorld);
        uniforms.position.applyMatrix4(viewMatrix);
        pointLength++;
      } else if (light.isHemisphereLight) {
        const uniforms = state.hemi[hemiLength];
        uniforms.direction.setFromMatrixPosition(light.matrixWorld);
        uniforms.direction.transformDirection(viewMatrix);
        uniforms.direction.normalize();
        hemiLength++;
      }
    }
  }
  return {
    setup,
    setupView,
    state
  };
}
function WebGLRenderState(extensions, capabilities) {
  const lights = new WebGLLights(extensions, capabilities);
  const lightsArray = [];
  const shadowsArray = [];
  function init() {
    lightsArray.length = 0;
    shadowsArray.length = 0;
  }
  function pushLight(light) {
    lightsArray.push(light);
  }
  function pushShadow(shadowLight) {
    shadowsArray.push(shadowLight);
  }
  function setupLights(physicallyCorrectLights) {
    lights.setup(lightsArray, physicallyCorrectLights);
  }
  function setupLightsView(camera) {
    lights.setupView(lightsArray, camera);
  }
  const state = {
    lightsArray,
    shadowsArray,
    lights
  };
  return {
    init,
    state,
    setupLights,
    setupLightsView,
    pushLight,
    pushShadow
  };
}
function WebGLRenderStates(extensions, capabilities) {
  let renderStates = new WeakMap();
  function get(scene, renderCallDepth = 0) {
    let renderState;
    if (renderStates.has(scene) === false) {
      renderState = new WebGLRenderState(extensions, capabilities);
      renderStates.set(scene, [renderState]);
    } else {
      if (renderCallDepth >= renderStates.get(scene).length) {
        renderState = new WebGLRenderState(extensions, capabilities);
        renderStates.get(scene).push(renderState);
      } else {
        renderState = renderStates.get(scene)[renderCallDepth];
      }
    }
    return renderState;
  }
  function dispose() {
    renderStates = new WeakMap();
  }
  return {
    get,
    dispose
  };
}
var MeshDepthMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshDepthMaterial";
    this.depthPacking = BasicDepthPacking;
    this.map = null;
    this.alphaMap = null;
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.fog = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.depthPacking = source.depthPacking;
    this.map = source.map;
    this.alphaMap = source.alphaMap;
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    return this;
  }
};
MeshDepthMaterial.prototype.isMeshDepthMaterial = true;
var MeshDistanceMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshDistanceMaterial";
    this.referencePosition = new Vector3();
    this.nearDistance = 1;
    this.farDistance = 1e3;
    this.map = null;
    this.alphaMap = null;
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.fog = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.referencePosition.copy(source.referencePosition);
    this.nearDistance = source.nearDistance;
    this.farDistance = source.farDistance;
    this.map = source.map;
    this.alphaMap = source.alphaMap;
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    return this;
  }
};
MeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;
var vsm_frag = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\nuniform float samples;\n#include <packing>\nvoid main() {\n	float mean = 0.0;\n	float squared_mean = 0.0;\n	float uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n	float uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n	for ( float i = 0.0; i < samples; i ++ ) {\n		float uvOffset = uvStart + i * uvStride;\n		#ifdef HORIZONTAL_PASS\n			vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n			mean += distribution.x;\n			squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n		#else\n			float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n			mean += depth;\n			squared_mean += depth * depth;\n		#endif\n	}\n	mean = mean / samples;\n	squared_mean = squared_mean / samples;\n	float std_dev = sqrt( squared_mean - mean * mean );\n	gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}";
var vsm_vert = "void main() {\n	gl_Position = vec4( position, 1.0 );\n}";
function WebGLShadowMap(_renderer, _objects, _capabilities) {
  let _frustum = new Frustum();
  const _shadowMapSize = new Vector2(), _viewportSize = new Vector2(), _viewport = new Vector4(), _depthMaterial = new MeshDepthMaterial({ depthPacking: RGBADepthPacking }), _distanceMaterial = new MeshDistanceMaterial(), _materialCache = {}, _maxTextureSize = _capabilities.maxTextureSize;
  const shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };
  const shadowMaterialVertical = new ShaderMaterial({
    uniforms: {
      shadow_pass: { value: null },
      resolution: { value: new Vector2() },
      radius: { value: 4 },
      samples: { value: 8 }
    },
    vertexShader: vsm_vert,
    fragmentShader: vsm_frag
  });
  const shadowMaterialHorizontal = shadowMaterialVertical.clone();
  shadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;
  const fullScreenTri = new BufferGeometry();
  fullScreenTri.setAttribute("position", new BufferAttribute(new Float32Array([-1, -1, 0.5, 3, -1, 0.5, -1, 3, 0.5]), 3));
  const fullScreenMesh = new Mesh(fullScreenTri, shadowMaterialVertical);
  const scope = this;
  this.enabled = false;
  this.autoUpdate = true;
  this.needsUpdate = false;
  this.type = PCFShadowMap;
  this.render = function(lights, scene, camera) {
    if (scope.enabled === false)
      return;
    if (scope.autoUpdate === false && scope.needsUpdate === false)
      return;
    if (lights.length === 0)
      return;
    const currentRenderTarget = _renderer.getRenderTarget();
    const activeCubeFace = _renderer.getActiveCubeFace();
    const activeMipmapLevel = _renderer.getActiveMipmapLevel();
    const _state = _renderer.state;
    _state.setBlending(NoBlending);
    _state.buffers.color.setClear(1, 1, 1, 1);
    _state.buffers.depth.setTest(true);
    _state.setScissorTest(false);
    for (let i = 0, il = lights.length; i < il; i++) {
      const light = lights[i];
      const shadow = light.shadow;
      if (shadow === void 0) {
        console.warn("THREE.WebGLShadowMap:", light, "has no shadow.");
        continue;
      }
      if (shadow.autoUpdate === false && shadow.needsUpdate === false)
        continue;
      _shadowMapSize.copy(shadow.mapSize);
      const shadowFrameExtents = shadow.getFrameExtents();
      _shadowMapSize.multiply(shadowFrameExtents);
      _viewportSize.copy(shadow.mapSize);
      if (_shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize) {
        if (_shadowMapSize.x > _maxTextureSize) {
          _viewportSize.x = Math.floor(_maxTextureSize / shadowFrameExtents.x);
          _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;
          shadow.mapSize.x = _viewportSize.x;
        }
        if (_shadowMapSize.y > _maxTextureSize) {
          _viewportSize.y = Math.floor(_maxTextureSize / shadowFrameExtents.y);
          _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;
          shadow.mapSize.y = _viewportSize.y;
        }
      }
      if (shadow.map === null && !shadow.isPointLightShadow && this.type === VSMShadowMap) {
        const pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };
        shadow.map = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y, pars);
        shadow.map.texture.name = light.name + ".shadowMap";
        shadow.mapPass = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y, pars);
        shadow.camera.updateProjectionMatrix();
      }
      if (shadow.map === null) {
        const pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };
        shadow.map = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y, pars);
        shadow.map.texture.name = light.name + ".shadowMap";
        shadow.camera.updateProjectionMatrix();
      }
      _renderer.setRenderTarget(shadow.map);
      _renderer.clear();
      const viewportCount = shadow.getViewportCount();
      for (let vp = 0; vp < viewportCount; vp++) {
        const viewport = shadow.getViewport(vp);
        _viewport.set(_viewportSize.x * viewport.x, _viewportSize.y * viewport.y, _viewportSize.x * viewport.z, _viewportSize.y * viewport.w);
        _state.viewport(_viewport);
        shadow.updateMatrices(light, vp);
        _frustum = shadow.getFrustum();
        renderObject(scene, camera, shadow.camera, light, this.type);
      }
      if (!shadow.isPointLightShadow && this.type === VSMShadowMap) {
        VSMPass(shadow, camera);
      }
      shadow.needsUpdate = false;
    }
    scope.needsUpdate = false;
    _renderer.setRenderTarget(currentRenderTarget, activeCubeFace, activeMipmapLevel);
  };
  function VSMPass(shadow, camera) {
    const geometry = _objects.update(fullScreenMesh);
    shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;
    shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;
    shadowMaterialVertical.uniforms.radius.value = shadow.radius;
    shadowMaterialVertical.uniforms.samples.value = shadow.blurSamples;
    _renderer.setRenderTarget(shadow.mapPass);
    _renderer.clear();
    _renderer.renderBufferDirect(camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null);
    shadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;
    shadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;
    shadowMaterialHorizontal.uniforms.radius.value = shadow.radius;
    shadowMaterialHorizontal.uniforms.samples.value = shadow.blurSamples;
    _renderer.setRenderTarget(shadow.map);
    _renderer.clear();
    _renderer.renderBufferDirect(camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null);
  }
  function getDepthMaterial(object, geometry, material, light, shadowCameraNear, shadowCameraFar, type) {
    let result = null;
    const customMaterial = light.isPointLight === true ? object.customDistanceMaterial : object.customDepthMaterial;
    if (customMaterial !== void 0) {
      result = customMaterial;
    } else {
      result = light.isPointLight === true ? _distanceMaterial : _depthMaterial;
    }
    if (_renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 || material.displacementMap && material.displacementScale !== 0 || material.alphaMap && material.alphaTest > 0) {
      const keyA = result.uuid, keyB = material.uuid;
      let materialsForVariant = _materialCache[keyA];
      if (materialsForVariant === void 0) {
        materialsForVariant = {};
        _materialCache[keyA] = materialsForVariant;
      }
      let cachedMaterial = materialsForVariant[keyB];
      if (cachedMaterial === void 0) {
        cachedMaterial = result.clone();
        materialsForVariant[keyB] = cachedMaterial;
      }
      result = cachedMaterial;
    }
    result.visible = material.visible;
    result.wireframe = material.wireframe;
    if (type === VSMShadowMap) {
      result.side = material.shadowSide !== null ? material.shadowSide : material.side;
    } else {
      result.side = material.shadowSide !== null ? material.shadowSide : shadowSide[material.side];
    }
    result.alphaMap = material.alphaMap;
    result.alphaTest = material.alphaTest;
    result.clipShadows = material.clipShadows;
    result.clippingPlanes = material.clippingPlanes;
    result.clipIntersection = material.clipIntersection;
    result.displacementMap = material.displacementMap;
    result.displacementScale = material.displacementScale;
    result.displacementBias = material.displacementBias;
    result.wireframeLinewidth = material.wireframeLinewidth;
    result.linewidth = material.linewidth;
    if (light.isPointLight === true && result.isMeshDistanceMaterial === true) {
      result.referencePosition.setFromMatrixPosition(light.matrixWorld);
      result.nearDistance = shadowCameraNear;
      result.farDistance = shadowCameraFar;
    }
    return result;
  }
  function renderObject(object, camera, shadowCamera, light, type) {
    if (object.visible === false)
      return;
    const visible = object.layers.test(camera.layers);
    if (visible && (object.isMesh || object.isLine || object.isPoints)) {
      if ((object.castShadow || object.receiveShadow && type === VSMShadowMap) && (!object.frustumCulled || _frustum.intersectsObject(object))) {
        object.modelViewMatrix.multiplyMatrices(shadowCamera.matrixWorldInverse, object.matrixWorld);
        const geometry = _objects.update(object);
        const material = object.material;
        if (Array.isArray(material)) {
          const groups = geometry.groups;
          for (let k = 0, kl = groups.length; k < kl; k++) {
            const group = groups[k];
            const groupMaterial = material[group.materialIndex];
            if (groupMaterial && groupMaterial.visible) {
              const depthMaterial = getDepthMaterial(object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type);
              _renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, group);
            }
          }
        } else if (material.visible) {
          const depthMaterial = getDepthMaterial(object, geometry, material, light, shadowCamera.near, shadowCamera.far, type);
          _renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, null);
        }
      }
    }
    const children = object.children;
    for (let i = 0, l = children.length; i < l; i++) {
      renderObject(children[i], camera, shadowCamera, light, type);
    }
  }
}
function WebGLState(gl, extensions, capabilities) {
  const isWebGL2 = capabilities.isWebGL2;
  function ColorBuffer() {
    let locked = false;
    const color = new Vector4();
    let currentColorMask = null;
    const currentColorClear = new Vector4(0, 0, 0, 0);
    return {
      setMask: function(colorMask) {
        if (currentColorMask !== colorMask && !locked) {
          gl.colorMask(colorMask, colorMask, colorMask, colorMask);
          currentColorMask = colorMask;
        }
      },
      setLocked: function(lock) {
        locked = lock;
      },
      setClear: function(r, g, b2, a2, premultipliedAlpha) {
        if (premultipliedAlpha === true) {
          r *= a2;
          g *= a2;
          b2 *= a2;
        }
        color.set(r, g, b2, a2);
        if (currentColorClear.equals(color) === false) {
          gl.clearColor(r, g, b2, a2);
          currentColorClear.copy(color);
        }
      },
      reset: function() {
        locked = false;
        currentColorMask = null;
        currentColorClear.set(-1, 0, 0, 0);
      }
    };
  }
  function DepthBuffer() {
    let locked = false;
    let currentDepthMask = null;
    let currentDepthFunc = null;
    let currentDepthClear = null;
    return {
      setTest: function(depthTest) {
        if (depthTest) {
          enable(2929);
        } else {
          disable(2929);
        }
      },
      setMask: function(depthMask) {
        if (currentDepthMask !== depthMask && !locked) {
          gl.depthMask(depthMask);
          currentDepthMask = depthMask;
        }
      },
      setFunc: function(depthFunc) {
        if (currentDepthFunc !== depthFunc) {
          if (depthFunc) {
            switch (depthFunc) {
              case NeverDepth:
                gl.depthFunc(512);
                break;
              case AlwaysDepth:
                gl.depthFunc(519);
                break;
              case LessDepth:
                gl.depthFunc(513);
                break;
              case LessEqualDepth:
                gl.depthFunc(515);
                break;
              case EqualDepth:
                gl.depthFunc(514);
                break;
              case GreaterEqualDepth:
                gl.depthFunc(518);
                break;
              case GreaterDepth:
                gl.depthFunc(516);
                break;
              case NotEqualDepth:
                gl.depthFunc(517);
                break;
              default:
                gl.depthFunc(515);
            }
          } else {
            gl.depthFunc(515);
          }
          currentDepthFunc = depthFunc;
        }
      },
      setLocked: function(lock) {
        locked = lock;
      },
      setClear: function(depth) {
        if (currentDepthClear !== depth) {
          gl.clearDepth(depth);
          currentDepthClear = depth;
        }
      },
      reset: function() {
        locked = false;
        currentDepthMask = null;
        currentDepthFunc = null;
        currentDepthClear = null;
      }
    };
  }
  function StencilBuffer() {
    let locked = false;
    let currentStencilMask = null;
    let currentStencilFunc = null;
    let currentStencilRef = null;
    let currentStencilFuncMask = null;
    let currentStencilFail = null;
    let currentStencilZFail = null;
    let currentStencilZPass = null;
    let currentStencilClear = null;
    return {
      setTest: function(stencilTest) {
        if (!locked) {
          if (stencilTest) {
            enable(2960);
          } else {
            disable(2960);
          }
        }
      },
      setMask: function(stencilMask) {
        if (currentStencilMask !== stencilMask && !locked) {
          gl.stencilMask(stencilMask);
          currentStencilMask = stencilMask;
        }
      },
      setFunc: function(stencilFunc, stencilRef, stencilMask) {
        if (currentStencilFunc !== stencilFunc || currentStencilRef !== stencilRef || currentStencilFuncMask !== stencilMask) {
          gl.stencilFunc(stencilFunc, stencilRef, stencilMask);
          currentStencilFunc = stencilFunc;
          currentStencilRef = stencilRef;
          currentStencilFuncMask = stencilMask;
        }
      },
      setOp: function(stencilFail, stencilZFail, stencilZPass) {
        if (currentStencilFail !== stencilFail || currentStencilZFail !== stencilZFail || currentStencilZPass !== stencilZPass) {
          gl.stencilOp(stencilFail, stencilZFail, stencilZPass);
          currentStencilFail = stencilFail;
          currentStencilZFail = stencilZFail;
          currentStencilZPass = stencilZPass;
        }
      },
      setLocked: function(lock) {
        locked = lock;
      },
      setClear: function(stencil) {
        if (currentStencilClear !== stencil) {
          gl.clearStencil(stencil);
          currentStencilClear = stencil;
        }
      },
      reset: function() {
        locked = false;
        currentStencilMask = null;
        currentStencilFunc = null;
        currentStencilRef = null;
        currentStencilFuncMask = null;
        currentStencilFail = null;
        currentStencilZFail = null;
        currentStencilZPass = null;
        currentStencilClear = null;
      }
    };
  }
  const colorBuffer = new ColorBuffer();
  const depthBuffer = new DepthBuffer();
  const stencilBuffer = new StencilBuffer();
  let enabledCapabilities = {};
  let xrFramebuffer = null;
  let currentBoundFramebuffers = {};
  let currentProgram = null;
  let currentBlendingEnabled = false;
  let currentBlending = null;
  let currentBlendEquation = null;
  let currentBlendSrc = null;
  let currentBlendDst = null;
  let currentBlendEquationAlpha = null;
  let currentBlendSrcAlpha = null;
  let currentBlendDstAlpha = null;
  let currentPremultipledAlpha = false;
  let currentFlipSided = null;
  let currentCullFace = null;
  let currentLineWidth = null;
  let currentPolygonOffsetFactor = null;
  let currentPolygonOffsetUnits = null;
  const maxTextures = gl.getParameter(35661);
  let lineWidthAvailable = false;
  let version = 0;
  const glVersion = gl.getParameter(7938);
  if (glVersion.indexOf("WebGL") !== -1) {
    version = parseFloat(/^WebGL (\d)/.exec(glVersion)[1]);
    lineWidthAvailable = version >= 1;
  } else if (glVersion.indexOf("OpenGL ES") !== -1) {
    version = parseFloat(/^OpenGL ES (\d)/.exec(glVersion)[1]);
    lineWidthAvailable = version >= 2;
  }
  let currentTextureSlot = null;
  let currentBoundTextures = {};
  const scissorParam = gl.getParameter(3088);
  const viewportParam = gl.getParameter(2978);
  const currentScissor = new Vector4().fromArray(scissorParam);
  const currentViewport = new Vector4().fromArray(viewportParam);
  function createTexture(type, target, count) {
    const data = new Uint8Array(4);
    const texture = gl.createTexture();
    gl.bindTexture(type, texture);
    gl.texParameteri(type, 10241, 9728);
    gl.texParameteri(type, 10240, 9728);
    for (let i = 0; i < count; i++) {
      gl.texImage2D(target + i, 0, 6408, 1, 1, 0, 6408, 5121, data);
    }
    return texture;
  }
  const emptyTextures = {};
  emptyTextures[3553] = createTexture(3553, 3553, 1);
  emptyTextures[34067] = createTexture(34067, 34069, 6);
  colorBuffer.setClear(0, 0, 0, 1);
  depthBuffer.setClear(1);
  stencilBuffer.setClear(0);
  enable(2929);
  depthBuffer.setFunc(LessEqualDepth);
  setFlipSided(false);
  setCullFace(CullFaceBack);
  enable(2884);
  setBlending(NoBlending);
  function enable(id) {
    if (enabledCapabilities[id] !== true) {
      gl.enable(id);
      enabledCapabilities[id] = true;
    }
  }
  function disable(id) {
    if (enabledCapabilities[id] !== false) {
      gl.disable(id);
      enabledCapabilities[id] = false;
    }
  }
  function bindXRFramebuffer(framebuffer) {
    if (framebuffer !== xrFramebuffer) {
      gl.bindFramebuffer(36160, framebuffer);
      xrFramebuffer = framebuffer;
    }
  }
  function bindFramebuffer(target, framebuffer) {
    if (framebuffer === null && xrFramebuffer !== null)
      framebuffer = xrFramebuffer;
    if (currentBoundFramebuffers[target] !== framebuffer) {
      gl.bindFramebuffer(target, framebuffer);
      currentBoundFramebuffers[target] = framebuffer;
      if (isWebGL2) {
        if (target === 36009) {
          currentBoundFramebuffers[36160] = framebuffer;
        }
        if (target === 36160) {
          currentBoundFramebuffers[36009] = framebuffer;
        }
      }
      return true;
    }
    return false;
  }
  function useProgram(program) {
    if (currentProgram !== program) {
      gl.useProgram(program);
      currentProgram = program;
      return true;
    }
    return false;
  }
  const equationToGL = {
    [AddEquation]: 32774,
    [SubtractEquation]: 32778,
    [ReverseSubtractEquation]: 32779
  };
  if (isWebGL2) {
    equationToGL[MinEquation] = 32775;
    equationToGL[MaxEquation] = 32776;
  } else {
    const extension = extensions.get("EXT_blend_minmax");
    if (extension !== null) {
      equationToGL[MinEquation] = extension.MIN_EXT;
      equationToGL[MaxEquation] = extension.MAX_EXT;
    }
  }
  const factorToGL = {
    [ZeroFactor]: 0,
    [OneFactor]: 1,
    [SrcColorFactor]: 768,
    [SrcAlphaFactor]: 770,
    [SrcAlphaSaturateFactor]: 776,
    [DstColorFactor]: 774,
    [DstAlphaFactor]: 772,
    [OneMinusSrcColorFactor]: 769,
    [OneMinusSrcAlphaFactor]: 771,
    [OneMinusDstColorFactor]: 775,
    [OneMinusDstAlphaFactor]: 773
  };
  function setBlending(blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha) {
    if (blending === NoBlending) {
      if (currentBlendingEnabled === true) {
        disable(3042);
        currentBlendingEnabled = false;
      }
      return;
    }
    if (currentBlendingEnabled === false) {
      enable(3042);
      currentBlendingEnabled = true;
    }
    if (blending !== CustomBlending) {
      if (blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha) {
        if (currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation) {
          gl.blendEquation(32774);
          currentBlendEquation = AddEquation;
          currentBlendEquationAlpha = AddEquation;
        }
        if (premultipliedAlpha) {
          switch (blending) {
            case NormalBlending:
              gl.blendFuncSeparate(1, 771, 1, 771);
              break;
            case AdditiveBlending:
              gl.blendFunc(1, 1);
              break;
            case SubtractiveBlending:
              gl.blendFuncSeparate(0, 0, 769, 771);
              break;
            case MultiplyBlending:
              gl.blendFuncSeparate(0, 768, 0, 770);
              break;
            default:
              console.error("THREE.WebGLState: Invalid blending: ", blending);
              break;
          }
        } else {
          switch (blending) {
            case NormalBlending:
              gl.blendFuncSeparate(770, 771, 1, 771);
              break;
            case AdditiveBlending:
              gl.blendFunc(770, 1);
              break;
            case SubtractiveBlending:
              gl.blendFunc(0, 769);
              break;
            case MultiplyBlending:
              gl.blendFunc(0, 768);
              break;
            default:
              console.error("THREE.WebGLState: Invalid blending: ", blending);
              break;
          }
        }
        currentBlendSrc = null;
        currentBlendDst = null;
        currentBlendSrcAlpha = null;
        currentBlendDstAlpha = null;
        currentBlending = blending;
        currentPremultipledAlpha = premultipliedAlpha;
      }
      return;
    }
    blendEquationAlpha = blendEquationAlpha || blendEquation;
    blendSrcAlpha = blendSrcAlpha || blendSrc;
    blendDstAlpha = blendDstAlpha || blendDst;
    if (blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha) {
      gl.blendEquationSeparate(equationToGL[blendEquation], equationToGL[blendEquationAlpha]);
      currentBlendEquation = blendEquation;
      currentBlendEquationAlpha = blendEquationAlpha;
    }
    if (blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha) {
      gl.blendFuncSeparate(factorToGL[blendSrc], factorToGL[blendDst], factorToGL[blendSrcAlpha], factorToGL[blendDstAlpha]);
      currentBlendSrc = blendSrc;
      currentBlendDst = blendDst;
      currentBlendSrcAlpha = blendSrcAlpha;
      currentBlendDstAlpha = blendDstAlpha;
    }
    currentBlending = blending;
    currentPremultipledAlpha = null;
  }
  function setMaterial(material, frontFaceCW) {
    material.side === DoubleSide ? disable(2884) : enable(2884);
    let flipSided = material.side === BackSide;
    if (frontFaceCW)
      flipSided = !flipSided;
    setFlipSided(flipSided);
    material.blending === NormalBlending && material.transparent === false ? setBlending(NoBlending) : setBlending(material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha);
    depthBuffer.setFunc(material.depthFunc);
    depthBuffer.setTest(material.depthTest);
    depthBuffer.setMask(material.depthWrite);
    colorBuffer.setMask(material.colorWrite);
    const stencilWrite = material.stencilWrite;
    stencilBuffer.setTest(stencilWrite);
    if (stencilWrite) {
      stencilBuffer.setMask(material.stencilWriteMask);
      stencilBuffer.setFunc(material.stencilFunc, material.stencilRef, material.stencilFuncMask);
      stencilBuffer.setOp(material.stencilFail, material.stencilZFail, material.stencilZPass);
    }
    setPolygonOffset(material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits);
    material.alphaToCoverage === true ? enable(32926) : disable(32926);
  }
  function setFlipSided(flipSided) {
    if (currentFlipSided !== flipSided) {
      if (flipSided) {
        gl.frontFace(2304);
      } else {
        gl.frontFace(2305);
      }
      currentFlipSided = flipSided;
    }
  }
  function setCullFace(cullFace) {
    if (cullFace !== CullFaceNone) {
      enable(2884);
      if (cullFace !== currentCullFace) {
        if (cullFace === CullFaceBack) {
          gl.cullFace(1029);
        } else if (cullFace === CullFaceFront) {
          gl.cullFace(1028);
        } else {
          gl.cullFace(1032);
        }
      }
    } else {
      disable(2884);
    }
    currentCullFace = cullFace;
  }
  function setLineWidth(width) {
    if (width !== currentLineWidth) {
      if (lineWidthAvailable)
        gl.lineWidth(width);
      currentLineWidth = width;
    }
  }
  function setPolygonOffset(polygonOffset, factor, units) {
    if (polygonOffset) {
      enable(32823);
      if (currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units) {
        gl.polygonOffset(factor, units);
        currentPolygonOffsetFactor = factor;
        currentPolygonOffsetUnits = units;
      }
    } else {
      disable(32823);
    }
  }
  function setScissorTest(scissorTest) {
    if (scissorTest) {
      enable(3089);
    } else {
      disable(3089);
    }
  }
  function activeTexture(webglSlot) {
    if (webglSlot === void 0)
      webglSlot = 33984 + maxTextures - 1;
    if (currentTextureSlot !== webglSlot) {
      gl.activeTexture(webglSlot);
      currentTextureSlot = webglSlot;
    }
  }
  function bindTexture(webglType, webglTexture) {
    if (currentTextureSlot === null) {
      activeTexture();
    }
    let boundTexture = currentBoundTextures[currentTextureSlot];
    if (boundTexture === void 0) {
      boundTexture = { type: void 0, texture: void 0 };
      currentBoundTextures[currentTextureSlot] = boundTexture;
    }
    if (boundTexture.type !== webglType || boundTexture.texture !== webglTexture) {
      gl.bindTexture(webglType, webglTexture || emptyTextures[webglType]);
      boundTexture.type = webglType;
      boundTexture.texture = webglTexture;
    }
  }
  function unbindTexture() {
    const boundTexture = currentBoundTextures[currentTextureSlot];
    if (boundTexture !== void 0 && boundTexture.type !== void 0) {
      gl.bindTexture(boundTexture.type, null);
      boundTexture.type = void 0;
      boundTexture.texture = void 0;
    }
  }
  function compressedTexImage2D() {
    try {
      gl.compressedTexImage2D.apply(gl, arguments);
    } catch (error) {
      console.error("THREE.WebGLState:", error);
    }
  }
  function texImage2D() {
    try {
      gl.texImage2D.apply(gl, arguments);
    } catch (error) {
      console.error("THREE.WebGLState:", error);
    }
  }
  function texImage3D() {
    try {
      gl.texImage3D.apply(gl, arguments);
    } catch (error) {
      console.error("THREE.WebGLState:", error);
    }
  }
  function scissor(scissor2) {
    if (currentScissor.equals(scissor2) === false) {
      gl.scissor(scissor2.x, scissor2.y, scissor2.z, scissor2.w);
      currentScissor.copy(scissor2);
    }
  }
  function viewport(viewport2) {
    if (currentViewport.equals(viewport2) === false) {
      gl.viewport(viewport2.x, viewport2.y, viewport2.z, viewport2.w);
      currentViewport.copy(viewport2);
    }
  }
  function reset() {
    gl.disable(3042);
    gl.disable(2884);
    gl.disable(2929);
    gl.disable(32823);
    gl.disable(3089);
    gl.disable(2960);
    gl.disable(32926);
    gl.blendEquation(32774);
    gl.blendFunc(1, 0);
    gl.blendFuncSeparate(1, 0, 1, 0);
    gl.colorMask(true, true, true, true);
    gl.clearColor(0, 0, 0, 0);
    gl.depthMask(true);
    gl.depthFunc(513);
    gl.clearDepth(1);
    gl.stencilMask(4294967295);
    gl.stencilFunc(519, 0, 4294967295);
    gl.stencilOp(7680, 7680, 7680);
    gl.clearStencil(0);
    gl.cullFace(1029);
    gl.frontFace(2305);
    gl.polygonOffset(0, 0);
    gl.activeTexture(33984);
    gl.bindFramebuffer(36160, null);
    if (isWebGL2 === true) {
      gl.bindFramebuffer(36009, null);
      gl.bindFramebuffer(36008, null);
    }
    gl.useProgram(null);
    gl.lineWidth(1);
    gl.scissor(0, 0, gl.canvas.width, gl.canvas.height);
    gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
    enabledCapabilities = {};
    currentTextureSlot = null;
    currentBoundTextures = {};
    xrFramebuffer = null;
    currentBoundFramebuffers = {};
    currentProgram = null;
    currentBlendingEnabled = false;
    currentBlending = null;
    currentBlendEquation = null;
    currentBlendSrc = null;
    currentBlendDst = null;
    currentBlendEquationAlpha = null;
    currentBlendSrcAlpha = null;
    currentBlendDstAlpha = null;
    currentPremultipledAlpha = false;
    currentFlipSided = null;
    currentCullFace = null;
    currentLineWidth = null;
    currentPolygonOffsetFactor = null;
    currentPolygonOffsetUnits = null;
    currentScissor.set(0, 0, gl.canvas.width, gl.canvas.height);
    currentViewport.set(0, 0, gl.canvas.width, gl.canvas.height);
    colorBuffer.reset();
    depthBuffer.reset();
    stencilBuffer.reset();
  }
  return {
    buffers: {
      color: colorBuffer,
      depth: depthBuffer,
      stencil: stencilBuffer
    },
    enable,
    disable,
    bindFramebuffer,
    bindXRFramebuffer,
    useProgram,
    setBlending,
    setMaterial,
    setFlipSided,
    setCullFace,
    setLineWidth,
    setPolygonOffset,
    setScissorTest,
    activeTexture,
    bindTexture,
    unbindTexture,
    compressedTexImage2D,
    texImage2D,
    texImage3D,
    scissor,
    viewport,
    reset
  };
}
function WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info) {
  const isWebGL2 = capabilities.isWebGL2;
  const maxTextures = capabilities.maxTextures;
  const maxCubemapSize = capabilities.maxCubemapSize;
  const maxTextureSize = capabilities.maxTextureSize;
  const maxSamples = capabilities.maxSamples;
  const _videoTextures = new WeakMap();
  let _canvas2;
  let useOffscreenCanvas = false;
  try {
    useOffscreenCanvas = typeof OffscreenCanvas !== "undefined" && new OffscreenCanvas(1, 1).getContext("2d") !== null;
  } catch (err) {
  }
  function createCanvas(width, height) {
    return useOffscreenCanvas ? new OffscreenCanvas(width, height) : document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
  }
  function resizeImage(image, needsPowerOfTwo, needsNewCanvas, maxSize) {
    let scale = 1;
    if (image.width > maxSize || image.height > maxSize) {
      scale = maxSize / Math.max(image.width, image.height);
    }
    if (scale < 1 || needsPowerOfTwo === true) {
      if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) {
        const floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;
        const width = floor(scale * image.width);
        const height = floor(scale * image.height);
        if (_canvas2 === void 0)
          _canvas2 = createCanvas(width, height);
        const canvas = needsNewCanvas ? createCanvas(width, height) : _canvas2;
        canvas.width = width;
        canvas.height = height;
        const context = canvas.getContext("2d");
        context.drawImage(image, 0, 0, width, height);
        console.warn("THREE.WebGLRenderer: Texture has been resized from (" + image.width + "x" + image.height + ") to (" + width + "x" + height + ").");
        return canvas;
      } else {
        if ("data" in image) {
          console.warn("THREE.WebGLRenderer: Image in DataTexture is too big (" + image.width + "x" + image.height + ").");
        }
        return image;
      }
    }
    return image;
  }
  function isPowerOfTwo$1(image) {
    return isPowerOfTwo(image.width) && isPowerOfTwo(image.height);
  }
  function textureNeedsPowerOfTwo(texture) {
    if (isWebGL2)
      return false;
    return texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping || texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;
  }
  function textureNeedsGenerateMipmaps(texture, supportsMips) {
    return texture.generateMipmaps && supportsMips && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;
  }
  function generateMipmap(target, texture, width, height, depth = 1) {
    _gl.generateMipmap(target);
    const textureProperties = properties.get(texture);
    textureProperties.__maxMipLevel = Math.log2(Math.max(width, height, depth));
  }
  function getInternalFormat(internalFormatName, glFormat, glType) {
    if (isWebGL2 === false)
      return glFormat;
    if (internalFormatName !== null) {
      if (_gl[internalFormatName] !== void 0)
        return _gl[internalFormatName];
      console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '" + internalFormatName + "'");
    }
    let internalFormat = glFormat;
    if (glFormat === 6403) {
      if (glType === 5126)
        internalFormat = 33326;
      if (glType === 5131)
        internalFormat = 33325;
      if (glType === 5121)
        internalFormat = 33321;
    }
    if (glFormat === 6407) {
      if (glType === 5126)
        internalFormat = 34837;
      if (glType === 5131)
        internalFormat = 34843;
      if (glType === 5121)
        internalFormat = 32849;
    }
    if (glFormat === 6408) {
      if (glType === 5126)
        internalFormat = 34836;
      if (glType === 5131)
        internalFormat = 34842;
      if (glType === 5121)
        internalFormat = 32856;
    }
    if (internalFormat === 33325 || internalFormat === 33326 || internalFormat === 34842 || internalFormat === 34836) {
      extensions.get("EXT_color_buffer_float");
    }
    return internalFormat;
  }
  function filterFallback(f) {
    if (f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter) {
      return 9728;
    }
    return 9729;
  }
  function onTextureDispose(event) {
    const texture = event.target;
    texture.removeEventListener("dispose", onTextureDispose);
    deallocateTexture(texture);
    if (texture.isVideoTexture) {
      _videoTextures.delete(texture);
    }
    info.memory.textures--;
  }
  function onRenderTargetDispose(event) {
    const renderTarget = event.target;
    renderTarget.removeEventListener("dispose", onRenderTargetDispose);
    deallocateRenderTarget(renderTarget);
  }
  function deallocateTexture(texture) {
    const textureProperties = properties.get(texture);
    if (textureProperties.__webglInit === void 0)
      return;
    _gl.deleteTexture(textureProperties.__webglTexture);
    properties.remove(texture);
  }
  function deallocateRenderTarget(renderTarget) {
    const texture = renderTarget.texture;
    const renderTargetProperties = properties.get(renderTarget);
    const textureProperties = properties.get(texture);
    if (!renderTarget)
      return;
    if (textureProperties.__webglTexture !== void 0) {
      _gl.deleteTexture(textureProperties.__webglTexture);
      info.memory.textures--;
    }
    if (renderTarget.depthTexture) {
      renderTarget.depthTexture.dispose();
    }
    if (renderTarget.isWebGLCubeRenderTarget) {
      for (let i = 0; i < 6; i++) {
        _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i]);
        if (renderTargetProperties.__webglDepthbuffer)
          _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer[i]);
      }
    } else {
      _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer);
      if (renderTargetProperties.__webglDepthbuffer)
        _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer);
      if (renderTargetProperties.__webglMultisampledFramebuffer)
        _gl.deleteFramebuffer(renderTargetProperties.__webglMultisampledFramebuffer);
      if (renderTargetProperties.__webglColorRenderbuffer)
        _gl.deleteRenderbuffer(renderTargetProperties.__webglColorRenderbuffer);
      if (renderTargetProperties.__webglDepthRenderbuffer)
        _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthRenderbuffer);
    }
    if (renderTarget.isWebGLMultipleRenderTargets) {
      for (let i = 0, il = texture.length; i < il; i++) {
        const attachmentProperties = properties.get(texture[i]);
        if (attachmentProperties.__webglTexture) {
          _gl.deleteTexture(attachmentProperties.__webglTexture);
          info.memory.textures--;
        }
        properties.remove(texture[i]);
      }
    }
    properties.remove(texture);
    properties.remove(renderTarget);
  }
  let textureUnits = 0;
  function resetTextureUnits() {
    textureUnits = 0;
  }
  function allocateTextureUnit() {
    const textureUnit = textureUnits;
    if (textureUnit >= maxTextures) {
      console.warn("THREE.WebGLTextures: Trying to use " + textureUnit + " texture units while this GPU supports only " + maxTextures);
    }
    textureUnits += 1;
    return textureUnit;
  }
  function setTexture2D(texture, slot) {
    const textureProperties = properties.get(texture);
    if (texture.isVideoTexture)
      updateVideoTexture(texture);
    if (texture.version > 0 && textureProperties.__version !== texture.version) {
      const image = texture.image;
      if (image === void 0) {
        console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");
      } else if (image.complete === false) {
        console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete");
      } else {
        uploadTexture(textureProperties, texture, slot);
        return;
      }
    }
    state.activeTexture(33984 + slot);
    state.bindTexture(3553, textureProperties.__webglTexture);
  }
  function setTexture2DArray(texture, slot) {
    const textureProperties = properties.get(texture);
    if (texture.version > 0 && textureProperties.__version !== texture.version) {
      uploadTexture(textureProperties, texture, slot);
      return;
    }
    state.activeTexture(33984 + slot);
    state.bindTexture(35866, textureProperties.__webglTexture);
  }
  function setTexture3D(texture, slot) {
    const textureProperties = properties.get(texture);
    if (texture.version > 0 && textureProperties.__version !== texture.version) {
      uploadTexture(textureProperties, texture, slot);
      return;
    }
    state.activeTexture(33984 + slot);
    state.bindTexture(32879, textureProperties.__webglTexture);
  }
  function setTextureCube(texture, slot) {
    const textureProperties = properties.get(texture);
    if (texture.version > 0 && textureProperties.__version !== texture.version) {
      uploadCubeTexture(textureProperties, texture, slot);
      return;
    }
    state.activeTexture(33984 + slot);
    state.bindTexture(34067, textureProperties.__webglTexture);
  }
  const wrappingToGL = {
    [RepeatWrapping]: 10497,
    [ClampToEdgeWrapping]: 33071,
    [MirroredRepeatWrapping]: 33648
  };
  const filterToGL = {
    [NearestFilter]: 9728,
    [NearestMipmapNearestFilter]: 9984,
    [NearestMipmapLinearFilter]: 9986,
    [LinearFilter]: 9729,
    [LinearMipmapNearestFilter]: 9985,
    [LinearMipmapLinearFilter]: 9987
  };
  function setTextureParameters(textureType, texture, supportsMips) {
    if (supportsMips) {
      _gl.texParameteri(textureType, 10242, wrappingToGL[texture.wrapS]);
      _gl.texParameteri(textureType, 10243, wrappingToGL[texture.wrapT]);
      if (textureType === 32879 || textureType === 35866) {
        _gl.texParameteri(textureType, 32882, wrappingToGL[texture.wrapR]);
      }
      _gl.texParameteri(textureType, 10240, filterToGL[texture.magFilter]);
      _gl.texParameteri(textureType, 10241, filterToGL[texture.minFilter]);
    } else {
      _gl.texParameteri(textureType, 10242, 33071);
      _gl.texParameteri(textureType, 10243, 33071);
      if (textureType === 32879 || textureType === 35866) {
        _gl.texParameteri(textureType, 32882, 33071);
      }
      if (texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping) {
        console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.");
      }
      _gl.texParameteri(textureType, 10240, filterFallback(texture.magFilter));
      _gl.texParameteri(textureType, 10241, filterFallback(texture.minFilter));
      if (texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter) {
        console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.");
      }
    }
    if (extensions.has("EXT_texture_filter_anisotropic") === true) {
      const extension = extensions.get("EXT_texture_filter_anisotropic");
      if (texture.type === FloatType && extensions.has("OES_texture_float_linear") === false)
        return;
      if (isWebGL2 === false && (texture.type === HalfFloatType && extensions.has("OES_texture_half_float_linear") === false))
        return;
      if (texture.anisotropy > 1 || properties.get(texture).__currentAnisotropy) {
        _gl.texParameterf(textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min(texture.anisotropy, capabilities.getMaxAnisotropy()));
        properties.get(texture).__currentAnisotropy = texture.anisotropy;
      }
    }
  }
  function initTexture(textureProperties, texture) {
    if (textureProperties.__webglInit === void 0) {
      textureProperties.__webglInit = true;
      texture.addEventListener("dispose", onTextureDispose);
      textureProperties.__webglTexture = _gl.createTexture();
      info.memory.textures++;
    }
  }
  function uploadTexture(textureProperties, texture, slot) {
    let textureType = 3553;
    if (texture.isDataTexture2DArray)
      textureType = 35866;
    if (texture.isDataTexture3D)
      textureType = 32879;
    initTexture(textureProperties, texture);
    state.activeTexture(33984 + slot);
    state.bindTexture(textureType, textureProperties.__webglTexture);
    _gl.pixelStorei(37440, texture.flipY);
    _gl.pixelStorei(37441, texture.premultiplyAlpha);
    _gl.pixelStorei(3317, texture.unpackAlignment);
    _gl.pixelStorei(37443, 0);
    const needsPowerOfTwo = textureNeedsPowerOfTwo(texture) && isPowerOfTwo$1(texture.image) === false;
    const image = resizeImage(texture.image, needsPowerOfTwo, false, maxTextureSize);
    const supportsMips = isPowerOfTwo$1(image) || isWebGL2, glFormat = utils.convert(texture.format);
    let glType = utils.convert(texture.type), glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType);
    setTextureParameters(textureType, texture, supportsMips);
    let mipmap;
    const mipmaps = texture.mipmaps;
    if (texture.isDepthTexture) {
      glInternalFormat = 6402;
      if (isWebGL2) {
        if (texture.type === FloatType) {
          glInternalFormat = 36012;
        } else if (texture.type === UnsignedIntType) {
          glInternalFormat = 33190;
        } else if (texture.type === UnsignedInt248Type) {
          glInternalFormat = 35056;
        } else {
          glInternalFormat = 33189;
        }
      } else {
        if (texture.type === FloatType) {
          console.error("WebGLRenderer: Floating point depth texture requires WebGL2.");
        }
      }
      if (texture.format === DepthFormat && glInternalFormat === 6402) {
        if (texture.type !== UnsignedShortType && texture.type !== UnsignedIntType) {
          console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.");
          texture.type = UnsignedShortType;
          glType = utils.convert(texture.type);
        }
      }
      if (texture.format === DepthStencilFormat && glInternalFormat === 6402) {
        glInternalFormat = 34041;
        if (texture.type !== UnsignedInt248Type) {
          console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.");
          texture.type = UnsignedInt248Type;
          glType = utils.convert(texture.type);
        }
      }
      state.texImage2D(3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null);
    } else if (texture.isDataTexture) {
      if (mipmaps.length > 0 && supportsMips) {
        for (let i = 0, il = mipmaps.length; i < il; i++) {
          mipmap = mipmaps[i];
          state.texImage2D(3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data);
        }
        texture.generateMipmaps = false;
        textureProperties.__maxMipLevel = mipmaps.length - 1;
      } else {
        state.texImage2D(3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data);
        textureProperties.__maxMipLevel = 0;
      }
    } else if (texture.isCompressedTexture) {
      for (let i = 0, il = mipmaps.length; i < il; i++) {
        mipmap = mipmaps[i];
        if (texture.format !== RGBAFormat && texture.format !== RGBFormat) {
          if (glFormat !== null) {
            state.compressedTexImage2D(3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data);
          } else {
            console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");
          }
        } else {
          state.texImage2D(3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data);
        }
      }
      textureProperties.__maxMipLevel = mipmaps.length - 1;
    } else if (texture.isDataTexture2DArray) {
      state.texImage3D(35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data);
      textureProperties.__maxMipLevel = 0;
    } else if (texture.isDataTexture3D) {
      state.texImage3D(32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data);
      textureProperties.__maxMipLevel = 0;
    } else {
      if (mipmaps.length > 0 && supportsMips) {
        for (let i = 0, il = mipmaps.length; i < il; i++) {
          mipmap = mipmaps[i];
          state.texImage2D(3553, i, glInternalFormat, glFormat, glType, mipmap);
        }
        texture.generateMipmaps = false;
        textureProperties.__maxMipLevel = mipmaps.length - 1;
      } else {
        state.texImage2D(3553, 0, glInternalFormat, glFormat, glType, image);
        textureProperties.__maxMipLevel = 0;
      }
    }
    if (textureNeedsGenerateMipmaps(texture, supportsMips)) {
      generateMipmap(textureType, texture, image.width, image.height);
    }
    textureProperties.__version = texture.version;
    if (texture.onUpdate)
      texture.onUpdate(texture);
  }
  function uploadCubeTexture(textureProperties, texture, slot) {
    if (texture.image.length !== 6)
      return;
    initTexture(textureProperties, texture);
    state.activeTexture(33984 + slot);
    state.bindTexture(34067, textureProperties.__webglTexture);
    _gl.pixelStorei(37440, texture.flipY);
    _gl.pixelStorei(37441, texture.premultiplyAlpha);
    _gl.pixelStorei(3317, texture.unpackAlignment);
    _gl.pixelStorei(37443, 0);
    const isCompressed = texture && (texture.isCompressedTexture || texture.image[0].isCompressedTexture);
    const isDataTexture = texture.image[0] && texture.image[0].isDataTexture;
    const cubeImage = [];
    for (let i = 0; i < 6; i++) {
      if (!isCompressed && !isDataTexture) {
        cubeImage[i] = resizeImage(texture.image[i], false, true, maxCubemapSize);
      } else {
        cubeImage[i] = isDataTexture ? texture.image[i].image : texture.image[i];
      }
    }
    const image = cubeImage[0], supportsMips = isPowerOfTwo$1(image) || isWebGL2, glFormat = utils.convert(texture.format), glType = utils.convert(texture.type), glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType);
    setTextureParameters(34067, texture, supportsMips);
    let mipmaps;
    if (isCompressed) {
      for (let i = 0; i < 6; i++) {
        mipmaps = cubeImage[i].mipmaps;
        for (let j = 0; j < mipmaps.length; j++) {
          const mipmap = mipmaps[j];
          if (texture.format !== RGBAFormat && texture.format !== RGBFormat) {
            if (glFormat !== null) {
              state.compressedTexImage2D(34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data);
            } else {
              console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()");
            }
          } else {
            state.texImage2D(34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data);
          }
        }
      }
      textureProperties.__maxMipLevel = mipmaps.length - 1;
    } else {
      mipmaps = texture.mipmaps;
      for (let i = 0; i < 6; i++) {
        if (isDataTexture) {
          state.texImage2D(34069 + i, 0, glInternalFormat, cubeImage[i].width, cubeImage[i].height, 0, glFormat, glType, cubeImage[i].data);
          for (let j = 0; j < mipmaps.length; j++) {
            const mipmap = mipmaps[j];
            const mipmapImage = mipmap.image[i].image;
            state.texImage2D(34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data);
          }
        } else {
          state.texImage2D(34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[i]);
          for (let j = 0; j < mipmaps.length; j++) {
            const mipmap = mipmaps[j];
            state.texImage2D(34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[i]);
          }
        }
      }
      textureProperties.__maxMipLevel = mipmaps.length;
    }
    if (textureNeedsGenerateMipmaps(texture, supportsMips)) {
      generateMipmap(34067, texture, image.width, image.height);
    }
    textureProperties.__version = texture.version;
    if (texture.onUpdate)
      texture.onUpdate(texture);
  }
  function setupFrameBufferTexture(framebuffer, renderTarget, texture, attachment, textureTarget) {
    const glFormat = utils.convert(texture.format);
    const glType = utils.convert(texture.type);
    const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType);
    if (textureTarget === 32879 || textureTarget === 35866) {
      state.texImage3D(textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null);
    } else {
      state.texImage2D(textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null);
    }
    state.bindFramebuffer(36160, framebuffer);
    _gl.framebufferTexture2D(36160, attachment, textureTarget, properties.get(texture).__webglTexture, 0);
    state.bindFramebuffer(36160, null);
  }
  function setupRenderBufferStorage(renderbuffer, renderTarget, isMultisample) {
    _gl.bindRenderbuffer(36161, renderbuffer);
    if (renderTarget.depthBuffer && !renderTarget.stencilBuffer) {
      let glInternalFormat = 33189;
      if (isMultisample) {
        const depthTexture = renderTarget.depthTexture;
        if (depthTexture && depthTexture.isDepthTexture) {
          if (depthTexture.type === FloatType) {
            glInternalFormat = 36012;
          } else if (depthTexture.type === UnsignedIntType) {
            glInternalFormat = 33190;
          }
        }
        const samples = getRenderTargetSamples(renderTarget);
        _gl.renderbufferStorageMultisample(36161, samples, glInternalFormat, renderTarget.width, renderTarget.height);
      } else {
        _gl.renderbufferStorage(36161, glInternalFormat, renderTarget.width, renderTarget.height);
      }
      _gl.framebufferRenderbuffer(36160, 36096, 36161, renderbuffer);
    } else if (renderTarget.depthBuffer && renderTarget.stencilBuffer) {
      if (isMultisample) {
        const samples = getRenderTargetSamples(renderTarget);
        _gl.renderbufferStorageMultisample(36161, samples, 35056, renderTarget.width, renderTarget.height);
      } else {
        _gl.renderbufferStorage(36161, 34041, renderTarget.width, renderTarget.height);
      }
      _gl.framebufferRenderbuffer(36160, 33306, 36161, renderbuffer);
    } else {
      const texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[0] : renderTarget.texture;
      const glFormat = utils.convert(texture.format);
      const glType = utils.convert(texture.type);
      const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType);
      if (isMultisample) {
        const samples = getRenderTargetSamples(renderTarget);
        _gl.renderbufferStorageMultisample(36161, samples, glInternalFormat, renderTarget.width, renderTarget.height);
      } else {
        _gl.renderbufferStorage(36161, glInternalFormat, renderTarget.width, renderTarget.height);
      }
    }
    _gl.bindRenderbuffer(36161, null);
  }
  function setupDepthTexture(framebuffer, renderTarget) {
    const isCube = renderTarget && renderTarget.isWebGLCubeRenderTarget;
    if (isCube)
      throw new Error("Depth Texture with cube render targets is not supported");
    state.bindFramebuffer(36160, framebuffer);
    if (!(renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture)) {
      throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");
    }
    if (!properties.get(renderTarget.depthTexture).__webglTexture || renderTarget.depthTexture.image.width !== renderTarget.width || renderTarget.depthTexture.image.height !== renderTarget.height) {
      renderTarget.depthTexture.image.width = renderTarget.width;
      renderTarget.depthTexture.image.height = renderTarget.height;
      renderTarget.depthTexture.needsUpdate = true;
    }
    setTexture2D(renderTarget.depthTexture, 0);
    const webglDepthTexture = properties.get(renderTarget.depthTexture).__webglTexture;
    if (renderTarget.depthTexture.format === DepthFormat) {
      _gl.framebufferTexture2D(36160, 36096, 3553, webglDepthTexture, 0);
    } else if (renderTarget.depthTexture.format === DepthStencilFormat) {
      _gl.framebufferTexture2D(36160, 33306, 3553, webglDepthTexture, 0);
    } else {
      throw new Error("Unknown depthTexture format");
    }
  }
  function setupDepthRenderbuffer(renderTarget) {
    const renderTargetProperties = properties.get(renderTarget);
    const isCube = renderTarget.isWebGLCubeRenderTarget === true;
    if (renderTarget.depthTexture) {
      if (isCube)
        throw new Error("target.depthTexture not supported in Cube render targets");
      setupDepthTexture(renderTargetProperties.__webglFramebuffer, renderTarget);
    } else {
      if (isCube) {
        renderTargetProperties.__webglDepthbuffer = [];
        for (let i = 0; i < 6; i++) {
          state.bindFramebuffer(36160, renderTargetProperties.__webglFramebuffer[i]);
          renderTargetProperties.__webglDepthbuffer[i] = _gl.createRenderbuffer();
          setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer[i], renderTarget, false);
        }
      } else {
        state.bindFramebuffer(36160, renderTargetProperties.__webglFramebuffer);
        renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();
        setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer, renderTarget, false);
      }
    }
    state.bindFramebuffer(36160, null);
  }
  function setupRenderTarget(renderTarget) {
    const texture = renderTarget.texture;
    const renderTargetProperties = properties.get(renderTarget);
    const textureProperties = properties.get(texture);
    renderTarget.addEventListener("dispose", onRenderTargetDispose);
    if (renderTarget.isWebGLMultipleRenderTargets !== true) {
      textureProperties.__webglTexture = _gl.createTexture();
      textureProperties.__version = texture.version;
      info.memory.textures++;
    }
    const isCube = renderTarget.isWebGLCubeRenderTarget === true;
    const isMultipleRenderTargets = renderTarget.isWebGLMultipleRenderTargets === true;
    const isMultisample = renderTarget.isWebGLMultisampleRenderTarget === true;
    const isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;
    const supportsMips = isPowerOfTwo$1(renderTarget) || isWebGL2;
    if (isWebGL2 && texture.format === RGBFormat && (texture.type === FloatType || texture.type === HalfFloatType)) {
      texture.format = RGBAFormat;
      console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.");
    }
    if (isCube) {
      renderTargetProperties.__webglFramebuffer = [];
      for (let i = 0; i < 6; i++) {
        renderTargetProperties.__webglFramebuffer[i] = _gl.createFramebuffer();
      }
    } else {
      renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();
      if (isMultipleRenderTargets) {
        if (capabilities.drawBuffers) {
          const textures = renderTarget.texture;
          for (let i = 0, il = textures.length; i < il; i++) {
            const attachmentProperties = properties.get(textures[i]);
            if (attachmentProperties.__webglTexture === void 0) {
              attachmentProperties.__webglTexture = _gl.createTexture();
              info.memory.textures++;
            }
          }
        } else {
          console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.");
        }
      } else if (isMultisample) {
        if (isWebGL2) {
          renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();
          renderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();
          _gl.bindRenderbuffer(36161, renderTargetProperties.__webglColorRenderbuffer);
          const glFormat = utils.convert(texture.format);
          const glType = utils.convert(texture.type);
          const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType);
          const samples = getRenderTargetSamples(renderTarget);
          _gl.renderbufferStorageMultisample(36161, samples, glInternalFormat, renderTarget.width, renderTarget.height);
          state.bindFramebuffer(36160, renderTargetProperties.__webglMultisampledFramebuffer);
          _gl.framebufferRenderbuffer(36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer);
          _gl.bindRenderbuffer(36161, null);
          if (renderTarget.depthBuffer) {
            renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();
            setupRenderBufferStorage(renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true);
          }
          state.bindFramebuffer(36160, null);
        } else {
          console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");
        }
      }
    }
    if (isCube) {
      state.bindTexture(34067, textureProperties.__webglTexture);
      setTextureParameters(34067, texture, supportsMips);
      for (let i = 0; i < 6; i++) {
        setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[i], renderTarget, texture, 36064, 34069 + i);
      }
      if (textureNeedsGenerateMipmaps(texture, supportsMips)) {
        generateMipmap(34067, texture, renderTarget.width, renderTarget.height);
      }
      state.unbindTexture();
    } else if (isMultipleRenderTargets) {
      const textures = renderTarget.texture;
      for (let i = 0, il = textures.length; i < il; i++) {
        const attachment = textures[i];
        const attachmentProperties = properties.get(attachment);
        state.bindTexture(3553, attachmentProperties.__webglTexture);
        setTextureParameters(3553, attachment, supportsMips);
        setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553);
        if (textureNeedsGenerateMipmaps(attachment, supportsMips)) {
          generateMipmap(3553, attachment, renderTarget.width, renderTarget.height);
        }
      }
      state.unbindTexture();
    } else {
      let glTextureType = 3553;
      if (isRenderTarget3D) {
        if (isWebGL2) {
          const isTexture3D = texture.isDataTexture3D;
          glTextureType = isTexture3D ? 32879 : 35866;
        } else {
          console.warn("THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.");
        }
      }
      state.bindTexture(glTextureType, textureProperties.__webglTexture);
      setTextureParameters(glTextureType, texture, supportsMips);
      setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType);
      if (textureNeedsGenerateMipmaps(texture, supportsMips)) {
        generateMipmap(glTextureType, texture, renderTarget.width, renderTarget.height, renderTarget.depth);
      }
      state.unbindTexture();
    }
    if (renderTarget.depthBuffer) {
      setupDepthRenderbuffer(renderTarget);
    }
  }
  function updateRenderTargetMipmap(renderTarget) {
    const supportsMips = isPowerOfTwo$1(renderTarget) || isWebGL2;
    const textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [renderTarget.texture];
    for (let i = 0, il = textures.length; i < il; i++) {
      const texture = textures[i];
      if (textureNeedsGenerateMipmaps(texture, supportsMips)) {
        const target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;
        const webglTexture = properties.get(texture).__webglTexture;
        state.bindTexture(target, webglTexture);
        generateMipmap(target, texture, renderTarget.width, renderTarget.height);
        state.unbindTexture();
      }
    }
  }
  function updateMultisampleRenderTarget(renderTarget) {
    if (renderTarget.isWebGLMultisampleRenderTarget) {
      if (isWebGL2) {
        const width = renderTarget.width;
        const height = renderTarget.height;
        let mask = 16384;
        if (renderTarget.depthBuffer)
          mask |= 256;
        if (renderTarget.stencilBuffer)
          mask |= 1024;
        const renderTargetProperties = properties.get(renderTarget);
        state.bindFramebuffer(36008, renderTargetProperties.__webglMultisampledFramebuffer);
        state.bindFramebuffer(36009, renderTargetProperties.__webglFramebuffer);
        _gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, mask, 9728);
        state.bindFramebuffer(36008, null);
        state.bindFramebuffer(36009, renderTargetProperties.__webglMultisampledFramebuffer);
      } else {
        console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");
      }
    }
  }
  function getRenderTargetSamples(renderTarget) {
    return isWebGL2 && renderTarget.isWebGLMultisampleRenderTarget ? Math.min(maxSamples, renderTarget.samples) : 0;
  }
  function updateVideoTexture(texture) {
    const frame = info.render.frame;
    if (_videoTextures.get(texture) !== frame) {
      _videoTextures.set(texture, frame);
      texture.update();
    }
  }
  let warnedTexture2D = false;
  let warnedTextureCube = false;
  function safeSetTexture2D(texture, slot) {
    if (texture && texture.isWebGLRenderTarget) {
      if (warnedTexture2D === false) {
        console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead.");
        warnedTexture2D = true;
      }
      texture = texture.texture;
    }
    setTexture2D(texture, slot);
  }
  function safeSetTextureCube(texture, slot) {
    if (texture && texture.isWebGLCubeRenderTarget) {
      if (warnedTextureCube === false) {
        console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead.");
        warnedTextureCube = true;
      }
      texture = texture.texture;
    }
    setTextureCube(texture, slot);
  }
  this.allocateTextureUnit = allocateTextureUnit;
  this.resetTextureUnits = resetTextureUnits;
  this.setTexture2D = setTexture2D;
  this.setTexture2DArray = setTexture2DArray;
  this.setTexture3D = setTexture3D;
  this.setTextureCube = setTextureCube;
  this.setupRenderTarget = setupRenderTarget;
  this.updateRenderTargetMipmap = updateRenderTargetMipmap;
  this.updateMultisampleRenderTarget = updateMultisampleRenderTarget;
  this.safeSetTexture2D = safeSetTexture2D;
  this.safeSetTextureCube = safeSetTextureCube;
}
function WebGLUtils(gl, extensions, capabilities) {
  const isWebGL2 = capabilities.isWebGL2;
  function convert(p2) {
    let extension;
    if (p2 === UnsignedByteType)
      return 5121;
    if (p2 === UnsignedShort4444Type)
      return 32819;
    if (p2 === UnsignedShort5551Type)
      return 32820;
    if (p2 === UnsignedShort565Type)
      return 33635;
    if (p2 === ByteType)
      return 5120;
    if (p2 === ShortType)
      return 5122;
    if (p2 === UnsignedShortType)
      return 5123;
    if (p2 === IntType)
      return 5124;
    if (p2 === UnsignedIntType)
      return 5125;
    if (p2 === FloatType)
      return 5126;
    if (p2 === HalfFloatType) {
      if (isWebGL2)
        return 5131;
      extension = extensions.get("OES_texture_half_float");
      if (extension !== null) {
        return extension.HALF_FLOAT_OES;
      } else {
        return null;
      }
    }
    if (p2 === AlphaFormat)
      return 6406;
    if (p2 === RGBFormat)
      return 6407;
    if (p2 === RGBAFormat)
      return 6408;
    if (p2 === LuminanceFormat)
      return 6409;
    if (p2 === LuminanceAlphaFormat)
      return 6410;
    if (p2 === DepthFormat)
      return 6402;
    if (p2 === DepthStencilFormat)
      return 34041;
    if (p2 === RedFormat)
      return 6403;
    if (p2 === RedIntegerFormat)
      return 36244;
    if (p2 === RGFormat)
      return 33319;
    if (p2 === RGIntegerFormat)
      return 33320;
    if (p2 === RGBIntegerFormat)
      return 36248;
    if (p2 === RGBAIntegerFormat)
      return 36249;
    if (p2 === RGB_S3TC_DXT1_Format || p2 === RGBA_S3TC_DXT1_Format || p2 === RGBA_S3TC_DXT3_Format || p2 === RGBA_S3TC_DXT5_Format) {
      extension = extensions.get("WEBGL_compressed_texture_s3tc");
      if (extension !== null) {
        if (p2 === RGB_S3TC_DXT1_Format)
          return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;
        if (p2 === RGBA_S3TC_DXT1_Format)
          return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;
        if (p2 === RGBA_S3TC_DXT3_Format)
          return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;
        if (p2 === RGBA_S3TC_DXT5_Format)
          return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;
      } else {
        return null;
      }
    }
    if (p2 === RGB_PVRTC_4BPPV1_Format || p2 === RGB_PVRTC_2BPPV1_Format || p2 === RGBA_PVRTC_4BPPV1_Format || p2 === RGBA_PVRTC_2BPPV1_Format) {
      extension = extensions.get("WEBGL_compressed_texture_pvrtc");
      if (extension !== null) {
        if (p2 === RGB_PVRTC_4BPPV1_Format)
          return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
        if (p2 === RGB_PVRTC_2BPPV1_Format)
          return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
        if (p2 === RGBA_PVRTC_4BPPV1_Format)
          return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
        if (p2 === RGBA_PVRTC_2BPPV1_Format)
          return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
      } else {
        return null;
      }
    }
    if (p2 === RGB_ETC1_Format) {
      extension = extensions.get("WEBGL_compressed_texture_etc1");
      if (extension !== null) {
        return extension.COMPRESSED_RGB_ETC1_WEBGL;
      } else {
        return null;
      }
    }
    if (p2 === RGB_ETC2_Format || p2 === RGBA_ETC2_EAC_Format) {
      extension = extensions.get("WEBGL_compressed_texture_etc");
      if (extension !== null) {
        if (p2 === RGB_ETC2_Format)
          return extension.COMPRESSED_RGB8_ETC2;
        if (p2 === RGBA_ETC2_EAC_Format)
          return extension.COMPRESSED_RGBA8_ETC2_EAC;
      }
    }
    if (p2 === RGBA_ASTC_4x4_Format || p2 === RGBA_ASTC_5x4_Format || p2 === RGBA_ASTC_5x5_Format || p2 === RGBA_ASTC_6x5_Format || p2 === RGBA_ASTC_6x6_Format || p2 === RGBA_ASTC_8x5_Format || p2 === RGBA_ASTC_8x6_Format || p2 === RGBA_ASTC_8x8_Format || p2 === RGBA_ASTC_10x5_Format || p2 === RGBA_ASTC_10x6_Format || p2 === RGBA_ASTC_10x8_Format || p2 === RGBA_ASTC_10x10_Format || p2 === RGBA_ASTC_12x10_Format || p2 === RGBA_ASTC_12x12_Format || p2 === SRGB8_ALPHA8_ASTC_4x4_Format || p2 === SRGB8_ALPHA8_ASTC_5x4_Format || p2 === SRGB8_ALPHA8_ASTC_5x5_Format || p2 === SRGB8_ALPHA8_ASTC_6x5_Format || p2 === SRGB8_ALPHA8_ASTC_6x6_Format || p2 === SRGB8_ALPHA8_ASTC_8x5_Format || p2 === SRGB8_ALPHA8_ASTC_8x6_Format || p2 === SRGB8_ALPHA8_ASTC_8x8_Format || p2 === SRGB8_ALPHA8_ASTC_10x5_Format || p2 === SRGB8_ALPHA8_ASTC_10x6_Format || p2 === SRGB8_ALPHA8_ASTC_10x8_Format || p2 === SRGB8_ALPHA8_ASTC_10x10_Format || p2 === SRGB8_ALPHA8_ASTC_12x10_Format || p2 === SRGB8_ALPHA8_ASTC_12x12_Format) {
      extension = extensions.get("WEBGL_compressed_texture_astc");
      if (extension !== null) {
        return p2;
      } else {
        return null;
      }
    }
    if (p2 === RGBA_BPTC_Format) {
      extension = extensions.get("EXT_texture_compression_bptc");
      if (extension !== null) {
        return p2;
      } else {
        return null;
      }
    }
    if (p2 === UnsignedInt248Type) {
      if (isWebGL2)
        return 34042;
      extension = extensions.get("WEBGL_depth_texture");
      if (extension !== null) {
        return extension.UNSIGNED_INT_24_8_WEBGL;
      } else {
        return null;
      }
    }
  }
  return { convert };
}
var ArrayCamera = class extends PerspectiveCamera {
  constructor(array = []) {
    super();
    this.cameras = array;
  }
};
ArrayCamera.prototype.isArrayCamera = true;
var Group = class extends Object3D {
  constructor() {
    super();
    this.type = "Group";
  }
};
Group.prototype.isGroup = true;
var _moveEvent = { type: "move" };
var WebXRController = class {
  constructor() {
    this._targetRay = null;
    this._grip = null;
    this._hand = null;
  }
  getHandSpace() {
    if (this._hand === null) {
      this._hand = new Group();
      this._hand.matrixAutoUpdate = false;
      this._hand.visible = false;
      this._hand.joints = {};
      this._hand.inputState = { pinching: false };
    }
    return this._hand;
  }
  getTargetRaySpace() {
    if (this._targetRay === null) {
      this._targetRay = new Group();
      this._targetRay.matrixAutoUpdate = false;
      this._targetRay.visible = false;
      this._targetRay.hasLinearVelocity = false;
      this._targetRay.linearVelocity = new Vector3();
      this._targetRay.hasAngularVelocity = false;
      this._targetRay.angularVelocity = new Vector3();
    }
    return this._targetRay;
  }
  getGripSpace() {
    if (this._grip === null) {
      this._grip = new Group();
      this._grip.matrixAutoUpdate = false;
      this._grip.visible = false;
      this._grip.hasLinearVelocity = false;
      this._grip.linearVelocity = new Vector3();
      this._grip.hasAngularVelocity = false;
      this._grip.angularVelocity = new Vector3();
    }
    return this._grip;
  }
  dispatchEvent(event) {
    if (this._targetRay !== null) {
      this._targetRay.dispatchEvent(event);
    }
    if (this._grip !== null) {
      this._grip.dispatchEvent(event);
    }
    if (this._hand !== null) {
      this._hand.dispatchEvent(event);
    }
    return this;
  }
  disconnect(inputSource) {
    this.dispatchEvent({ type: "disconnected", data: inputSource });
    if (this._targetRay !== null) {
      this._targetRay.visible = false;
    }
    if (this._grip !== null) {
      this._grip.visible = false;
    }
    if (this._hand !== null) {
      this._hand.visible = false;
    }
    return this;
  }
  update(inputSource, frame, referenceSpace) {
    let inputPose = null;
    let gripPose = null;
    let handPose = null;
    const targetRay = this._targetRay;
    const grip = this._grip;
    const hand = this._hand;
    if (inputSource && frame.session.visibilityState !== "visible-blurred") {
      if (targetRay !== null) {
        inputPose = frame.getPose(inputSource.targetRaySpace, referenceSpace);
        if (inputPose !== null) {
          targetRay.matrix.fromArray(inputPose.transform.matrix);
          targetRay.matrix.decompose(targetRay.position, targetRay.rotation, targetRay.scale);
          if (inputPose.linearVelocity) {
            targetRay.hasLinearVelocity = true;
            targetRay.linearVelocity.copy(inputPose.linearVelocity);
          } else {
            targetRay.hasLinearVelocity = false;
          }
          if (inputPose.angularVelocity) {
            targetRay.hasAngularVelocity = true;
            targetRay.angularVelocity.copy(inputPose.angularVelocity);
          } else {
            targetRay.hasAngularVelocity = false;
          }
          this.dispatchEvent(_moveEvent);
        }
      }
      if (hand && inputSource.hand) {
        handPose = true;
        for (const inputjoint of inputSource.hand.values()) {
          const jointPose = frame.getJointPose(inputjoint, referenceSpace);
          if (hand.joints[inputjoint.jointName] === void 0) {
            const joint2 = new Group();
            joint2.matrixAutoUpdate = false;
            joint2.visible = false;
            hand.joints[inputjoint.jointName] = joint2;
            hand.add(joint2);
          }
          const joint = hand.joints[inputjoint.jointName];
          if (jointPose !== null) {
            joint.matrix.fromArray(jointPose.transform.matrix);
            joint.matrix.decompose(joint.position, joint.rotation, joint.scale);
            joint.jointRadius = jointPose.radius;
          }
          joint.visible = jointPose !== null;
        }
        const indexTip = hand.joints["index-finger-tip"];
        const thumbTip = hand.joints["thumb-tip"];
        const distance = indexTip.position.distanceTo(thumbTip.position);
        const distanceToPinch = 0.02;
        const threshold = 5e-3;
        if (hand.inputState.pinching && distance > distanceToPinch + threshold) {
          hand.inputState.pinching = false;
          this.dispatchEvent({
            type: "pinchend",
            handedness: inputSource.handedness,
            target: this
          });
        } else if (!hand.inputState.pinching && distance <= distanceToPinch - threshold) {
          hand.inputState.pinching = true;
          this.dispatchEvent({
            type: "pinchstart",
            handedness: inputSource.handedness,
            target: this
          });
        }
      } else {
        if (grip !== null && inputSource.gripSpace) {
          gripPose = frame.getPose(inputSource.gripSpace, referenceSpace);
          if (gripPose !== null) {
            grip.matrix.fromArray(gripPose.transform.matrix);
            grip.matrix.decompose(grip.position, grip.rotation, grip.scale);
            if (gripPose.linearVelocity) {
              grip.hasLinearVelocity = true;
              grip.linearVelocity.copy(gripPose.linearVelocity);
            } else {
              grip.hasLinearVelocity = false;
            }
            if (gripPose.angularVelocity) {
              grip.hasAngularVelocity = true;
              grip.angularVelocity.copy(gripPose.angularVelocity);
            } else {
              grip.hasAngularVelocity = false;
            }
          }
        }
      }
    }
    if (targetRay !== null) {
      targetRay.visible = inputPose !== null;
    }
    if (grip !== null) {
      grip.visible = gripPose !== null;
    }
    if (hand !== null) {
      hand.visible = handPose !== null;
    }
    return this;
  }
};
var WebXRManager = class extends EventDispatcher {
  constructor(renderer, gl) {
    super();
    const scope = this;
    const state = renderer.state;
    let session = null;
    let framebufferScaleFactor = 1;
    let referenceSpace = null;
    let referenceSpaceType = "local-floor";
    let pose = null;
    let glBinding = null;
    let glFramebuffer = null;
    let glProjLayer = null;
    let glBaseLayer = null;
    let isMultisample = false;
    let glMultisampledFramebuffer = null;
    let glColorRenderbuffer = null;
    let glDepthRenderbuffer = null;
    let xrFrame = null;
    let depthStyle = null;
    let clearStyle = null;
    const controllers = [];
    const inputSourcesMap = /* @__PURE__ */ new Map();
    const cameraL = new PerspectiveCamera();
    cameraL.layers.enable(1);
    cameraL.viewport = new Vector4();
    const cameraR = new PerspectiveCamera();
    cameraR.layers.enable(2);
    cameraR.viewport = new Vector4();
    const cameras = [cameraL, cameraR];
    const cameraVR = new ArrayCamera();
    cameraVR.layers.enable(1);
    cameraVR.layers.enable(2);
    let _currentDepthNear = null;
    let _currentDepthFar = null;
    this.cameraAutoUpdate = true;
    this.enabled = false;
    this.isPresenting = false;
    this.getController = function(index) {
      let controller = controllers[index];
      if (controller === void 0) {
        controller = new WebXRController();
        controllers[index] = controller;
      }
      return controller.getTargetRaySpace();
    };
    this.getControllerGrip = function(index) {
      let controller = controllers[index];
      if (controller === void 0) {
        controller = new WebXRController();
        controllers[index] = controller;
      }
      return controller.getGripSpace();
    };
    this.getHand = function(index) {
      let controller = controllers[index];
      if (controller === void 0) {
        controller = new WebXRController();
        controllers[index] = controller;
      }
      return controller.getHandSpace();
    };
    function onSessionEvent(event) {
      const controller = inputSourcesMap.get(event.inputSource);
      if (controller) {
        controller.dispatchEvent({ type: event.type, data: event.inputSource });
      }
    }
    function onSessionEnd() {
      inputSourcesMap.forEach(function(controller, inputSource) {
        controller.disconnect(inputSource);
      });
      inputSourcesMap.clear();
      _currentDepthNear = null;
      _currentDepthFar = null;
      state.bindXRFramebuffer(null);
      renderer.setRenderTarget(renderer.getRenderTarget());
      if (glFramebuffer)
        gl.deleteFramebuffer(glFramebuffer);
      if (glMultisampledFramebuffer)
        gl.deleteFramebuffer(glMultisampledFramebuffer);
      if (glColorRenderbuffer)
        gl.deleteRenderbuffer(glColorRenderbuffer);
      if (glDepthRenderbuffer)
        gl.deleteRenderbuffer(glDepthRenderbuffer);
      glFramebuffer = null;
      glMultisampledFramebuffer = null;
      glColorRenderbuffer = null;
      glDepthRenderbuffer = null;
      glBaseLayer = null;
      glProjLayer = null;
      glBinding = null;
      session = null;
      animation.stop();
      scope.isPresenting = false;
      scope.dispatchEvent({ type: "sessionend" });
    }
    this.setFramebufferScaleFactor = function(value) {
      framebufferScaleFactor = value;
      if (scope.isPresenting === true) {
        console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.");
      }
    };
    this.setReferenceSpaceType = function(value) {
      referenceSpaceType = value;
      if (scope.isPresenting === true) {
        console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.");
      }
    };
    this.getReferenceSpace = function() {
      return referenceSpace;
    };
    this.getBaseLayer = function() {
      return glProjLayer !== null ? glProjLayer : glBaseLayer;
    };
    this.getBinding = function() {
      return glBinding;
    };
    this.getFrame = function() {
      return xrFrame;
    };
    this.getSession = function() {
      return session;
    };
    this.setSession = async function(value) {
      session = value;
      if (session !== null) {
        session.addEventListener("select", onSessionEvent);
        session.addEventListener("selectstart", onSessionEvent);
        session.addEventListener("selectend", onSessionEvent);
        session.addEventListener("squeeze", onSessionEvent);
        session.addEventListener("squeezestart", onSessionEvent);
        session.addEventListener("squeezeend", onSessionEvent);
        session.addEventListener("end", onSessionEnd);
        session.addEventListener("inputsourceschange", onInputSourcesChange);
        const attributes = gl.getContextAttributes();
        if (attributes.xrCompatible !== true) {
          await gl.makeXRCompatible();
        }
        if (session.renderState.layers === void 0) {
          const layerInit = {
            antialias: attributes.antialias,
            alpha: attributes.alpha,
            depth: attributes.depth,
            stencil: attributes.stencil,
            framebufferScaleFactor
          };
          glBaseLayer = new XRWebGLLayer(session, gl, layerInit);
          session.updateRenderState({ baseLayer: glBaseLayer });
        } else if (gl instanceof WebGLRenderingContext) {
          const layerInit = {
            antialias: true,
            alpha: attributes.alpha,
            depth: attributes.depth,
            stencil: attributes.stencil,
            framebufferScaleFactor
          };
          glBaseLayer = new XRWebGLLayer(session, gl, layerInit);
          session.updateRenderState({ layers: [glBaseLayer] });
        } else {
          isMultisample = attributes.antialias;
          let depthFormat = null;
          if (attributes.depth) {
            clearStyle = 256;
            if (attributes.stencil)
              clearStyle |= 1024;
            depthStyle = attributes.stencil ? 33306 : 36096;
            depthFormat = attributes.stencil ? 35056 : 33190;
          }
          const projectionlayerInit = {
            colorFormat: attributes.alpha ? 32856 : 32849,
            depthFormat,
            scaleFactor: framebufferScaleFactor
          };
          glBinding = new XRWebGLBinding(session, gl);
          glProjLayer = glBinding.createProjectionLayer(projectionlayerInit);
          glFramebuffer = gl.createFramebuffer();
          session.updateRenderState({ layers: [glProjLayer] });
          if (isMultisample) {
            glMultisampledFramebuffer = gl.createFramebuffer();
            glColorRenderbuffer = gl.createRenderbuffer();
            gl.bindRenderbuffer(36161, glColorRenderbuffer);
            gl.renderbufferStorageMultisample(36161, 4, 32856, glProjLayer.textureWidth, glProjLayer.textureHeight);
            state.bindFramebuffer(36160, glMultisampledFramebuffer);
            gl.framebufferRenderbuffer(36160, 36064, 36161, glColorRenderbuffer);
            gl.bindRenderbuffer(36161, null);
            if (depthFormat !== null) {
              glDepthRenderbuffer = gl.createRenderbuffer();
              gl.bindRenderbuffer(36161, glDepthRenderbuffer);
              gl.renderbufferStorageMultisample(36161, 4, depthFormat, glProjLayer.textureWidth, glProjLayer.textureHeight);
              gl.framebufferRenderbuffer(36160, depthStyle, 36161, glDepthRenderbuffer);
              gl.bindRenderbuffer(36161, null);
            }
            state.bindFramebuffer(36160, null);
          }
        }
        referenceSpace = await session.requestReferenceSpace(referenceSpaceType);
        animation.setContext(session);
        animation.start();
        scope.isPresenting = true;
        scope.dispatchEvent({ type: "sessionstart" });
      }
    };
    function onInputSourcesChange(event) {
      const inputSources = session.inputSources;
      for (let i = 0; i < controllers.length; i++) {
        inputSourcesMap.set(inputSources[i], controllers[i]);
      }
      for (let i = 0; i < event.removed.length; i++) {
        const inputSource = event.removed[i];
        const controller = inputSourcesMap.get(inputSource);
        if (controller) {
          controller.dispatchEvent({ type: "disconnected", data: inputSource });
          inputSourcesMap.delete(inputSource);
        }
      }
      for (let i = 0; i < event.added.length; i++) {
        const inputSource = event.added[i];
        const controller = inputSourcesMap.get(inputSource);
        if (controller) {
          controller.dispatchEvent({ type: "connected", data: inputSource });
        }
      }
    }
    const cameraLPos = new Vector3();
    const cameraRPos = new Vector3();
    function setProjectionFromUnion(camera, cameraL2, cameraR2) {
      cameraLPos.setFromMatrixPosition(cameraL2.matrixWorld);
      cameraRPos.setFromMatrixPosition(cameraR2.matrixWorld);
      const ipd = cameraLPos.distanceTo(cameraRPos);
      const projL = cameraL2.projectionMatrix.elements;
      const projR = cameraR2.projectionMatrix.elements;
      const near = projL[14] / (projL[10] - 1);
      const far = projL[14] / (projL[10] + 1);
      const topFov = (projL[9] + 1) / projL[5];
      const bottomFov = (projL[9] - 1) / projL[5];
      const leftFov = (projL[8] - 1) / projL[0];
      const rightFov = (projR[8] + 1) / projR[0];
      const left = near * leftFov;
      const right = near * rightFov;
      const zOffset = ipd / (-leftFov + rightFov);
      const xOffset = zOffset * -leftFov;
      cameraL2.matrixWorld.decompose(camera.position, camera.quaternion, camera.scale);
      camera.translateX(xOffset);
      camera.translateZ(zOffset);
      camera.matrixWorld.compose(camera.position, camera.quaternion, camera.scale);
      camera.matrixWorldInverse.copy(camera.matrixWorld).invert();
      const near2 = near + zOffset;
      const far2 = far + zOffset;
      const left2 = left - xOffset;
      const right2 = right + (ipd - xOffset);
      const top2 = topFov * far / far2 * near2;
      const bottom2 = bottomFov * far / far2 * near2;
      camera.projectionMatrix.makePerspective(left2, right2, top2, bottom2, near2, far2);
    }
    function updateCamera(camera, parent) {
      if (parent === null) {
        camera.matrixWorld.copy(camera.matrix);
      } else {
        camera.matrixWorld.multiplyMatrices(parent.matrixWorld, camera.matrix);
      }
      camera.matrixWorldInverse.copy(camera.matrixWorld).invert();
    }
    this.updateCamera = function(camera) {
      if (session === null)
        return;
      cameraVR.near = cameraR.near = cameraL.near = camera.near;
      cameraVR.far = cameraR.far = cameraL.far = camera.far;
      if (_currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far) {
        session.updateRenderState({
          depthNear: cameraVR.near,
          depthFar: cameraVR.far
        });
        _currentDepthNear = cameraVR.near;
        _currentDepthFar = cameraVR.far;
      }
      const parent = camera.parent;
      const cameras2 = cameraVR.cameras;
      updateCamera(cameraVR, parent);
      for (let i = 0; i < cameras2.length; i++) {
        updateCamera(cameras2[i], parent);
      }
      cameraVR.matrixWorld.decompose(cameraVR.position, cameraVR.quaternion, cameraVR.scale);
      camera.position.copy(cameraVR.position);
      camera.quaternion.copy(cameraVR.quaternion);
      camera.scale.copy(cameraVR.scale);
      camera.matrix.copy(cameraVR.matrix);
      camera.matrixWorld.copy(cameraVR.matrixWorld);
      const children = camera.children;
      for (let i = 0, l = children.length; i < l; i++) {
        children[i].updateMatrixWorld(true);
      }
      if (cameras2.length === 2) {
        setProjectionFromUnion(cameraVR, cameraL, cameraR);
      } else {
        cameraVR.projectionMatrix.copy(cameraL.projectionMatrix);
      }
    };
    this.getCamera = function() {
      return cameraVR;
    };
    this.getFoveation = function() {
      if (glProjLayer !== null) {
        return glProjLayer.fixedFoveation;
      }
      if (glBaseLayer !== null) {
        return glBaseLayer.fixedFoveation;
      }
      return void 0;
    };
    this.setFoveation = function(foveation) {
      if (glProjLayer !== null) {
        glProjLayer.fixedFoveation = foveation;
      }
      if (glBaseLayer !== null && glBaseLayer.fixedFoveation !== void 0) {
        glBaseLayer.fixedFoveation = foveation;
      }
    };
    let onAnimationFrameCallback = null;
    function onAnimationFrame(time, frame) {
      pose = frame.getViewerPose(referenceSpace);
      xrFrame = frame;
      if (pose !== null) {
        const views = pose.views;
        if (glBaseLayer !== null) {
          state.bindXRFramebuffer(glBaseLayer.framebuffer);
        }
        let cameraVRNeedsUpdate = false;
        if (views.length !== cameraVR.cameras.length) {
          cameraVR.cameras.length = 0;
          cameraVRNeedsUpdate = true;
        }
        for (let i = 0; i < views.length; i++) {
          const view = views[i];
          let viewport = null;
          if (glBaseLayer !== null) {
            viewport = glBaseLayer.getViewport(view);
          } else {
            const glSubImage = glBinding.getViewSubImage(glProjLayer, view);
            state.bindXRFramebuffer(glFramebuffer);
            if (glSubImage.depthStencilTexture !== void 0) {
              gl.framebufferTexture2D(36160, depthStyle, 3553, glSubImage.depthStencilTexture, 0);
            }
            gl.framebufferTexture2D(36160, 36064, 3553, glSubImage.colorTexture, 0);
            viewport = glSubImage.viewport;
          }
          const camera = cameras[i];
          camera.matrix.fromArray(view.transform.matrix);
          camera.projectionMatrix.fromArray(view.projectionMatrix);
          camera.viewport.set(viewport.x, viewport.y, viewport.width, viewport.height);
          if (i === 0) {
            cameraVR.matrix.copy(camera.matrix);
          }
          if (cameraVRNeedsUpdate === true) {
            cameraVR.cameras.push(camera);
          }
        }
        if (isMultisample) {
          state.bindXRFramebuffer(glMultisampledFramebuffer);
          if (clearStyle !== null)
            gl.clear(clearStyle);
        }
      }
      const inputSources = session.inputSources;
      for (let i = 0; i < controllers.length; i++) {
        const controller = controllers[i];
        const inputSource = inputSources[i];
        controller.update(inputSource, frame, referenceSpace);
      }
      if (onAnimationFrameCallback)
        onAnimationFrameCallback(time, frame);
      if (isMultisample) {
        const width = glProjLayer.textureWidth;
        const height = glProjLayer.textureHeight;
        state.bindFramebuffer(36008, glMultisampledFramebuffer);
        state.bindFramebuffer(36009, glFramebuffer);
        gl.invalidateFramebuffer(36008, [depthStyle]);
        gl.invalidateFramebuffer(36009, [depthStyle]);
        gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, 16384, 9728);
        gl.invalidateFramebuffer(36008, [36064]);
        state.bindFramebuffer(36008, null);
        state.bindFramebuffer(36009, null);
        state.bindFramebuffer(36160, glMultisampledFramebuffer);
      }
      xrFrame = null;
    }
    const animation = new WebGLAnimation();
    animation.setAnimationLoop(onAnimationFrame);
    this.setAnimationLoop = function(callback) {
      onAnimationFrameCallback = callback;
    };
    this.dispose = function() {
    };
  }
};
function WebGLMaterials(properties) {
  function refreshFogUniforms(uniforms, fog) {
    uniforms.fogColor.value.copy(fog.color);
    if (fog.isFog) {
      uniforms.fogNear.value = fog.near;
      uniforms.fogFar.value = fog.far;
    } else if (fog.isFogExp2) {
      uniforms.fogDensity.value = fog.density;
    }
  }
  function refreshMaterialUniforms(uniforms, material, pixelRatio, height, transmissionRenderTarget) {
    if (material.isMeshBasicMaterial) {
      refreshUniformsCommon(uniforms, material);
    } else if (material.isMeshLambertMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsLambert(uniforms, material);
    } else if (material.isMeshToonMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsToon(uniforms, material);
    } else if (material.isMeshPhongMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsPhong(uniforms, material);
    } else if (material.isMeshStandardMaterial) {
      refreshUniformsCommon(uniforms, material);
      if (material.isMeshPhysicalMaterial) {
        refreshUniformsPhysical(uniforms, material, transmissionRenderTarget);
      } else {
        refreshUniformsStandard(uniforms, material);
      }
    } else if (material.isMeshMatcapMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsMatcap(uniforms, material);
    } else if (material.isMeshDepthMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsDepth(uniforms, material);
    } else if (material.isMeshDistanceMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsDistance(uniforms, material);
    } else if (material.isMeshNormalMaterial) {
      refreshUniformsCommon(uniforms, material);
      refreshUniformsNormal(uniforms, material);
    } else if (material.isLineBasicMaterial) {
      refreshUniformsLine(uniforms, material);
      if (material.isLineDashedMaterial) {
        refreshUniformsDash(uniforms, material);
      }
    } else if (material.isPointsMaterial) {
      refreshUniformsPoints(uniforms, material, pixelRatio, height);
    } else if (material.isSpriteMaterial) {
      refreshUniformsSprites(uniforms, material);
    } else if (material.isShadowMaterial) {
      uniforms.color.value.copy(material.color);
      uniforms.opacity.value = material.opacity;
    } else if (material.isShaderMaterial) {
      material.uniformsNeedUpdate = false;
    }
  }
  function refreshUniformsCommon(uniforms, material) {
    uniforms.opacity.value = material.opacity;
    if (material.color) {
      uniforms.diffuse.value.copy(material.color);
    }
    if (material.emissive) {
      uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity);
    }
    if (material.map) {
      uniforms.map.value = material.map;
    }
    if (material.alphaMap) {
      uniforms.alphaMap.value = material.alphaMap;
    }
    if (material.specularMap) {
      uniforms.specularMap.value = material.specularMap;
    }
    if (material.alphaTest > 0) {
      uniforms.alphaTest.value = material.alphaTest;
    }
    const envMap = properties.get(material).envMap;
    if (envMap) {
      uniforms.envMap.value = envMap;
      uniforms.flipEnvMap.value = envMap.isCubeTexture && envMap.isRenderTargetTexture === false ? -1 : 1;
      uniforms.reflectivity.value = material.reflectivity;
      uniforms.ior.value = material.ior;
      uniforms.refractionRatio.value = material.refractionRatio;
      const maxMipLevel = properties.get(envMap).__maxMipLevel;
      if (maxMipLevel !== void 0) {
        uniforms.maxMipLevel.value = maxMipLevel;
      }
    }
    if (material.lightMap) {
      uniforms.lightMap.value = material.lightMap;
      uniforms.lightMapIntensity.value = material.lightMapIntensity;
    }
    if (material.aoMap) {
      uniforms.aoMap.value = material.aoMap;
      uniforms.aoMapIntensity.value = material.aoMapIntensity;
    }
    let uvScaleMap;
    if (material.map) {
      uvScaleMap = material.map;
    } else if (material.specularMap) {
      uvScaleMap = material.specularMap;
    } else if (material.displacementMap) {
      uvScaleMap = material.displacementMap;
    } else if (material.normalMap) {
      uvScaleMap = material.normalMap;
    } else if (material.bumpMap) {
      uvScaleMap = material.bumpMap;
    } else if (material.roughnessMap) {
      uvScaleMap = material.roughnessMap;
    } else if (material.metalnessMap) {
      uvScaleMap = material.metalnessMap;
    } else if (material.alphaMap) {
      uvScaleMap = material.alphaMap;
    } else if (material.emissiveMap) {
      uvScaleMap = material.emissiveMap;
    } else if (material.clearcoatMap) {
      uvScaleMap = material.clearcoatMap;
    } else if (material.clearcoatNormalMap) {
      uvScaleMap = material.clearcoatNormalMap;
    } else if (material.clearcoatRoughnessMap) {
      uvScaleMap = material.clearcoatRoughnessMap;
    } else if (material.specularIntensityMap) {
      uvScaleMap = material.specularIntensityMap;
    } else if (material.specularTintMap) {
      uvScaleMap = material.specularTintMap;
    } else if (material.transmissionMap) {
      uvScaleMap = material.transmissionMap;
    } else if (material.thicknessMap) {
      uvScaleMap = material.thicknessMap;
    }
    if (uvScaleMap !== void 0) {
      if (uvScaleMap.isWebGLRenderTarget) {
        uvScaleMap = uvScaleMap.texture;
      }
      if (uvScaleMap.matrixAutoUpdate === true) {
        uvScaleMap.updateMatrix();
      }
      uniforms.uvTransform.value.copy(uvScaleMap.matrix);
    }
    let uv2ScaleMap;
    if (material.aoMap) {
      uv2ScaleMap = material.aoMap;
    } else if (material.lightMap) {
      uv2ScaleMap = material.lightMap;
    }
    if (uv2ScaleMap !== void 0) {
      if (uv2ScaleMap.isWebGLRenderTarget) {
        uv2ScaleMap = uv2ScaleMap.texture;
      }
      if (uv2ScaleMap.matrixAutoUpdate === true) {
        uv2ScaleMap.updateMatrix();
      }
      uniforms.uv2Transform.value.copy(uv2ScaleMap.matrix);
    }
  }
  function refreshUniformsLine(uniforms, material) {
    uniforms.diffuse.value.copy(material.color);
    uniforms.opacity.value = material.opacity;
  }
  function refreshUniformsDash(uniforms, material) {
    uniforms.dashSize.value = material.dashSize;
    uniforms.totalSize.value = material.dashSize + material.gapSize;
    uniforms.scale.value = material.scale;
  }
  function refreshUniformsPoints(uniforms, material, pixelRatio, height) {
    uniforms.diffuse.value.copy(material.color);
    uniforms.opacity.value = material.opacity;
    uniforms.size.value = material.size * pixelRatio;
    uniforms.scale.value = height * 0.5;
    if (material.map) {
      uniforms.map.value = material.map;
    }
    if (material.alphaMap) {
      uniforms.alphaMap.value = material.alphaMap;
    }
    if (material.alphaTest > 0) {
      uniforms.alphaTest.value = material.alphaTest;
    }
    let uvScaleMap;
    if (material.map) {
      uvScaleMap = material.map;
    } else if (material.alphaMap) {
      uvScaleMap = material.alphaMap;
    }
    if (uvScaleMap !== void 0) {
      if (uvScaleMap.matrixAutoUpdate === true) {
        uvScaleMap.updateMatrix();
      }
      uniforms.uvTransform.value.copy(uvScaleMap.matrix);
    }
  }
  function refreshUniformsSprites(uniforms, material) {
    uniforms.diffuse.value.copy(material.color);
    uniforms.opacity.value = material.opacity;
    uniforms.rotation.value = material.rotation;
    if (material.map) {
      uniforms.map.value = material.map;
    }
    if (material.alphaMap) {
      uniforms.alphaMap.value = material.alphaMap;
    }
    if (material.alphaTest > 0) {
      uniforms.alphaTest.value = material.alphaTest;
    }
    let uvScaleMap;
    if (material.map) {
      uvScaleMap = material.map;
    } else if (material.alphaMap) {
      uvScaleMap = material.alphaMap;
    }
    if (uvScaleMap !== void 0) {
      if (uvScaleMap.matrixAutoUpdate === true) {
        uvScaleMap.updateMatrix();
      }
      uniforms.uvTransform.value.copy(uvScaleMap.matrix);
    }
  }
  function refreshUniformsLambert(uniforms, material) {
    if (material.emissiveMap) {
      uniforms.emissiveMap.value = material.emissiveMap;
    }
  }
  function refreshUniformsPhong(uniforms, material) {
    uniforms.specular.value.copy(material.specular);
    uniforms.shininess.value = Math.max(material.shininess, 1e-4);
    if (material.emissiveMap) {
      uniforms.emissiveMap.value = material.emissiveMap;
    }
    if (material.bumpMap) {
      uniforms.bumpMap.value = material.bumpMap;
      uniforms.bumpScale.value = material.bumpScale;
      if (material.side === BackSide)
        uniforms.bumpScale.value *= -1;
    }
    if (material.normalMap) {
      uniforms.normalMap.value = material.normalMap;
      uniforms.normalScale.value.copy(material.normalScale);
      if (material.side === BackSide)
        uniforms.normalScale.value.negate();
    }
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
  }
  function refreshUniformsToon(uniforms, material) {
    if (material.gradientMap) {
      uniforms.gradientMap.value = material.gradientMap;
    }
    if (material.emissiveMap) {
      uniforms.emissiveMap.value = material.emissiveMap;
    }
    if (material.bumpMap) {
      uniforms.bumpMap.value = material.bumpMap;
      uniforms.bumpScale.value = material.bumpScale;
      if (material.side === BackSide)
        uniforms.bumpScale.value *= -1;
    }
    if (material.normalMap) {
      uniforms.normalMap.value = material.normalMap;
      uniforms.normalScale.value.copy(material.normalScale);
      if (material.side === BackSide)
        uniforms.normalScale.value.negate();
    }
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
  }
  function refreshUniformsStandard(uniforms, material) {
    uniforms.roughness.value = material.roughness;
    uniforms.metalness.value = material.metalness;
    if (material.roughnessMap) {
      uniforms.roughnessMap.value = material.roughnessMap;
    }
    if (material.metalnessMap) {
      uniforms.metalnessMap.value = material.metalnessMap;
    }
    if (material.emissiveMap) {
      uniforms.emissiveMap.value = material.emissiveMap;
    }
    if (material.bumpMap) {
      uniforms.bumpMap.value = material.bumpMap;
      uniforms.bumpScale.value = material.bumpScale;
      if (material.side === BackSide)
        uniforms.bumpScale.value *= -1;
    }
    if (material.normalMap) {
      uniforms.normalMap.value = material.normalMap;
      uniforms.normalScale.value.copy(material.normalScale);
      if (material.side === BackSide)
        uniforms.normalScale.value.negate();
    }
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
    const envMap = properties.get(material).envMap;
    if (envMap) {
      uniforms.envMapIntensity.value = material.envMapIntensity;
    }
  }
  function refreshUniformsPhysical(uniforms, material, transmissionRenderTarget) {
    refreshUniformsStandard(uniforms, material);
    uniforms.ior.value = material.ior;
    if (material.sheenTint)
      uniforms.sheenTint.value.copy(material.sheenTint);
    if (material.clearcoat > 0) {
      uniforms.clearcoat.value = material.clearcoat;
      uniforms.clearcoatRoughness.value = material.clearcoatRoughness;
      if (material.clearcoatMap) {
        uniforms.clearcoatMap.value = material.clearcoatMap;
      }
      if (material.clearcoatRoughnessMap) {
        uniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;
      }
      if (material.clearcoatNormalMap) {
        uniforms.clearcoatNormalScale.value.copy(material.clearcoatNormalScale);
        uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;
        if (material.side === BackSide) {
          uniforms.clearcoatNormalScale.value.negate();
        }
      }
    }
    if (material.transmission > 0) {
      uniforms.transmission.value = material.transmission;
      uniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;
      uniforms.transmissionSamplerSize.value.set(transmissionRenderTarget.width, transmissionRenderTarget.height);
      if (material.transmissionMap) {
        uniforms.transmissionMap.value = material.transmissionMap;
      }
      uniforms.thickness.value = material.thickness;
      if (material.thicknessMap) {
        uniforms.thicknessMap.value = material.thicknessMap;
      }
      uniforms.attenuationDistance.value = material.attenuationDistance;
      uniforms.attenuationTint.value.copy(material.attenuationTint);
    }
    uniforms.specularIntensity.value = material.specularIntensity;
    uniforms.specularTint.value.copy(material.specularTint);
    if (material.specularIntensityMap) {
      uniforms.specularIntensityMap.value = material.specularIntensityMap;
    }
    if (material.specularTintMap) {
      uniforms.specularTintMap.value = material.specularTintMap;
    }
  }
  function refreshUniformsMatcap(uniforms, material) {
    if (material.matcap) {
      uniforms.matcap.value = material.matcap;
    }
    if (material.bumpMap) {
      uniforms.bumpMap.value = material.bumpMap;
      uniforms.bumpScale.value = material.bumpScale;
      if (material.side === BackSide)
        uniforms.bumpScale.value *= -1;
    }
    if (material.normalMap) {
      uniforms.normalMap.value = material.normalMap;
      uniforms.normalScale.value.copy(material.normalScale);
      if (material.side === BackSide)
        uniforms.normalScale.value.negate();
    }
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
  }
  function refreshUniformsDepth(uniforms, material) {
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
  }
  function refreshUniformsDistance(uniforms, material) {
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
    uniforms.referencePosition.value.copy(material.referencePosition);
    uniforms.nearDistance.value = material.nearDistance;
    uniforms.farDistance.value = material.farDistance;
  }
  function refreshUniformsNormal(uniforms, material) {
    if (material.bumpMap) {
      uniforms.bumpMap.value = material.bumpMap;
      uniforms.bumpScale.value = material.bumpScale;
      if (material.side === BackSide)
        uniforms.bumpScale.value *= -1;
    }
    if (material.normalMap) {
      uniforms.normalMap.value = material.normalMap;
      uniforms.normalScale.value.copy(material.normalScale);
      if (material.side === BackSide)
        uniforms.normalScale.value.negate();
    }
    if (material.displacementMap) {
      uniforms.displacementMap.value = material.displacementMap;
      uniforms.displacementScale.value = material.displacementScale;
      uniforms.displacementBias.value = material.displacementBias;
    }
  }
  return {
    refreshFogUniforms,
    refreshMaterialUniforms
  };
}
function createCanvasElement() {
  const canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
  canvas.style.display = "block";
  return canvas;
}
function WebGLRenderer(parameters = {}) {
  const _canvas2 = parameters.canvas !== void 0 ? parameters.canvas : createCanvasElement(), _context2 = parameters.context !== void 0 ? parameters.context : null, _alpha = parameters.alpha !== void 0 ? parameters.alpha : false, _depth = parameters.depth !== void 0 ? parameters.depth : true, _stencil = parameters.stencil !== void 0 ? parameters.stencil : true, _antialias = parameters.antialias !== void 0 ? parameters.antialias : false, _premultipliedAlpha = parameters.premultipliedAlpha !== void 0 ? parameters.premultipliedAlpha : true, _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== void 0 ? parameters.preserveDrawingBuffer : false, _powerPreference = parameters.powerPreference !== void 0 ? parameters.powerPreference : "default", _failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== void 0 ? parameters.failIfMajorPerformanceCaveat : false;
  let currentRenderList = null;
  let currentRenderState = null;
  const renderListStack = [];
  const renderStateStack = [];
  this.domElement = _canvas2;
  this.debug = {
    checkShaderErrors: true
  };
  this.autoClear = true;
  this.autoClearColor = true;
  this.autoClearDepth = true;
  this.autoClearStencil = true;
  this.sortObjects = true;
  this.clippingPlanes = [];
  this.localClippingEnabled = false;
  this.gammaFactor = 2;
  this.outputEncoding = LinearEncoding;
  this.physicallyCorrectLights = false;
  this.toneMapping = NoToneMapping;
  this.toneMappingExposure = 1;
  const _this = this;
  let _isContextLost = false;
  let _currentActiveCubeFace = 0;
  let _currentActiveMipmapLevel = 0;
  let _currentRenderTarget = null;
  let _currentMaterialId = -1;
  let _currentCamera = null;
  const _currentViewport = new Vector4();
  const _currentScissor = new Vector4();
  let _currentScissorTest = null;
  let _width = _canvas2.width;
  let _height = _canvas2.height;
  let _pixelRatio = 1;
  let _opaqueSort = null;
  let _transparentSort = null;
  const _viewport = new Vector4(0, 0, _width, _height);
  const _scissor = new Vector4(0, 0, _width, _height);
  let _scissorTest = false;
  const _currentDrawBuffers = [];
  const _frustum = new Frustum();
  let _clippingEnabled = false;
  let _localClippingEnabled = false;
  let _transmissionRenderTarget = null;
  const _projScreenMatrix2 = new Matrix4();
  const _vector3 = new Vector3();
  const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };
  function getTargetPixelRatio() {
    return _currentRenderTarget === null ? _pixelRatio : 1;
  }
  let _gl = _context2;
  function getContext(contextNames, contextAttributes) {
    for (let i = 0; i < contextNames.length; i++) {
      const contextName = contextNames[i];
      const context = _canvas2.getContext(contextName, contextAttributes);
      if (context !== null)
        return context;
    }
    return null;
  }
  try {
    const contextAttributes = {
      alpha: _alpha,
      depth: _depth,
      stencil: _stencil,
      antialias: _antialias,
      premultipliedAlpha: _premultipliedAlpha,
      preserveDrawingBuffer: _preserveDrawingBuffer,
      powerPreference: _powerPreference,
      failIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat
    };
    _canvas2.addEventListener("webglcontextlost", onContextLost, false);
    _canvas2.addEventListener("webglcontextrestored", onContextRestore, false);
    if (_gl === null) {
      const contextNames = ["webgl2", "webgl", "experimental-webgl"];
      if (_this.isWebGL1Renderer === true) {
        contextNames.shift();
      }
      _gl = getContext(contextNames, contextAttributes);
      if (_gl === null) {
        if (getContext(contextNames)) {
          throw new Error("Error creating WebGL context with your selected attributes.");
        } else {
          throw new Error("Error creating WebGL context.");
        }
      }
    }
    if (_gl.getShaderPrecisionFormat === void 0) {
      _gl.getShaderPrecisionFormat = function() {
        return { "rangeMin": 1, "rangeMax": 1, "precision": 1 };
      };
    }
  } catch (error) {
    console.error("THREE.WebGLRenderer: " + error.message);
    throw error;
  }
  let extensions, capabilities, state, info;
  let properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;
  let programCache, materials, renderLists, renderStates, clipping, shadowMap;
  let background, morphtargets, bufferRenderer, indexedBufferRenderer;
  let utils, bindingStates;
  function initGLContext() {
    extensions = new WebGLExtensions(_gl);
    capabilities = new WebGLCapabilities(_gl, extensions, parameters);
    extensions.init(capabilities);
    utils = new WebGLUtils(_gl, extensions, capabilities);
    state = new WebGLState(_gl, extensions, capabilities);
    _currentDrawBuffers[0] = 1029;
    info = new WebGLInfo(_gl);
    properties = new WebGLProperties();
    textures = new WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info);
    cubemaps = new WebGLCubeMaps(_this);
    cubeuvmaps = new WebGLCubeUVMaps(_this);
    attributes = new WebGLAttributes(_gl, capabilities);
    bindingStates = new WebGLBindingStates(_gl, extensions, attributes, capabilities);
    geometries = new WebGLGeometries(_gl, attributes, info, bindingStates);
    objects = new WebGLObjects(_gl, geometries, attributes, info);
    morphtargets = new WebGLMorphtargets(_gl);
    clipping = new WebGLClipping(properties);
    programCache = new WebGLPrograms(_this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping);
    materials = new WebGLMaterials(properties);
    renderLists = new WebGLRenderLists(properties);
    renderStates = new WebGLRenderStates(extensions, capabilities);
    background = new WebGLBackground(_this, cubemaps, state, objects, _premultipliedAlpha);
    shadowMap = new WebGLShadowMap(_this, objects, capabilities);
    bufferRenderer = new WebGLBufferRenderer(_gl, extensions, info, capabilities);
    indexedBufferRenderer = new WebGLIndexedBufferRenderer(_gl, extensions, info, capabilities);
    info.programs = programCache.programs;
    _this.capabilities = capabilities;
    _this.extensions = extensions;
    _this.properties = properties;
    _this.renderLists = renderLists;
    _this.shadowMap = shadowMap;
    _this.state = state;
    _this.info = info;
  }
  initGLContext();
  const xr = new WebXRManager(_this, _gl);
  this.xr = xr;
  this.getContext = function() {
    return _gl;
  };
  this.getContextAttributes = function() {
    return _gl.getContextAttributes();
  };
  this.forceContextLoss = function() {
    const extension = extensions.get("WEBGL_lose_context");
    if (extension)
      extension.loseContext();
  };
  this.forceContextRestore = function() {
    const extension = extensions.get("WEBGL_lose_context");
    if (extension)
      extension.restoreContext();
  };
  this.getPixelRatio = function() {
    return _pixelRatio;
  };
  this.setPixelRatio = function(value) {
    if (value === void 0)
      return;
    _pixelRatio = value;
    this.setSize(_width, _height, false);
  };
  this.getSize = function(target) {
    return target.set(_width, _height);
  };
  this.setSize = function(width, height, updateStyle) {
    if (xr.isPresenting) {
      console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting.");
      return;
    }
    _width = width;
    _height = height;
    _canvas2.width = Math.floor(width * _pixelRatio);
    _canvas2.height = Math.floor(height * _pixelRatio);
    if (updateStyle !== false) {
      _canvas2.style.width = width + "px";
      _canvas2.style.height = height + "px";
    }
    this.setViewport(0, 0, width, height);
  };
  this.getDrawingBufferSize = function(target) {
    return target.set(_width * _pixelRatio, _height * _pixelRatio).floor();
  };
  this.setDrawingBufferSize = function(width, height, pixelRatio) {
    _width = width;
    _height = height;
    _pixelRatio = pixelRatio;
    _canvas2.width = Math.floor(width * pixelRatio);
    _canvas2.height = Math.floor(height * pixelRatio);
    this.setViewport(0, 0, width, height);
  };
  this.getCurrentViewport = function(target) {
    return target.copy(_currentViewport);
  };
  this.getViewport = function(target) {
    return target.copy(_viewport);
  };
  this.setViewport = function(x, y, width, height) {
    if (x.isVector4) {
      _viewport.set(x.x, x.y, x.z, x.w);
    } else {
      _viewport.set(x, y, width, height);
    }
    state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor());
  };
  this.getScissor = function(target) {
    return target.copy(_scissor);
  };
  this.setScissor = function(x, y, width, height) {
    if (x.isVector4) {
      _scissor.set(x.x, x.y, x.z, x.w);
    } else {
      _scissor.set(x, y, width, height);
    }
    state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor());
  };
  this.getScissorTest = function() {
    return _scissorTest;
  };
  this.setScissorTest = function(boolean) {
    state.setScissorTest(_scissorTest = boolean);
  };
  this.setOpaqueSort = function(method) {
    _opaqueSort = method;
  };
  this.setTransparentSort = function(method) {
    _transparentSort = method;
  };
  this.getClearColor = function(target) {
    return target.copy(background.getClearColor());
  };
  this.setClearColor = function() {
    background.setClearColor.apply(background, arguments);
  };
  this.getClearAlpha = function() {
    return background.getClearAlpha();
  };
  this.setClearAlpha = function() {
    background.setClearAlpha.apply(background, arguments);
  };
  this.clear = function(color, depth, stencil) {
    let bits = 0;
    if (color === void 0 || color)
      bits |= 16384;
    if (depth === void 0 || depth)
      bits |= 256;
    if (stencil === void 0 || stencil)
      bits |= 1024;
    _gl.clear(bits);
  };
  this.clearColor = function() {
    this.clear(true, false, false);
  };
  this.clearDepth = function() {
    this.clear(false, true, false);
  };
  this.clearStencil = function() {
    this.clear(false, false, true);
  };
  this.dispose = function() {
    _canvas2.removeEventListener("webglcontextlost", onContextLost, false);
    _canvas2.removeEventListener("webglcontextrestored", onContextRestore, false);
    renderLists.dispose();
    renderStates.dispose();
    properties.dispose();
    cubemaps.dispose();
    cubeuvmaps.dispose();
    objects.dispose();
    bindingStates.dispose();
    xr.dispose();
    xr.removeEventListener("sessionstart", onXRSessionStart);
    xr.removeEventListener("sessionend", onXRSessionEnd);
    if (_transmissionRenderTarget) {
      _transmissionRenderTarget.dispose();
      _transmissionRenderTarget = null;
    }
    animation.stop();
  };
  function onContextLost(event) {
    event.preventDefault();
    console.log("THREE.WebGLRenderer: Context Lost.");
    _isContextLost = true;
  }
  function onContextRestore() {
    console.log("THREE.WebGLRenderer: Context Restored.");
    _isContextLost = false;
    const infoAutoReset = info.autoReset;
    const shadowMapEnabled = shadowMap.enabled;
    const shadowMapAutoUpdate = shadowMap.autoUpdate;
    const shadowMapNeedsUpdate = shadowMap.needsUpdate;
    const shadowMapType = shadowMap.type;
    initGLContext();
    info.autoReset = infoAutoReset;
    shadowMap.enabled = shadowMapEnabled;
    shadowMap.autoUpdate = shadowMapAutoUpdate;
    shadowMap.needsUpdate = shadowMapNeedsUpdate;
    shadowMap.type = shadowMapType;
  }
  function onMaterialDispose(event) {
    const material = event.target;
    material.removeEventListener("dispose", onMaterialDispose);
    deallocateMaterial(material);
  }
  function deallocateMaterial(material) {
    releaseMaterialProgramReferences(material);
    properties.remove(material);
  }
  function releaseMaterialProgramReferences(material) {
    const programs = properties.get(material).programs;
    if (programs !== void 0) {
      programs.forEach(function(program) {
        programCache.releaseProgram(program);
      });
    }
  }
  function renderObjectImmediate(object, program) {
    object.render(function(object2) {
      _this.renderBufferImmediate(object2, program);
    });
  }
  this.renderBufferImmediate = function(object, program) {
    bindingStates.initAttributes();
    const buffers = properties.get(object);
    if (object.hasPositions && !buffers.position)
      buffers.position = _gl.createBuffer();
    if (object.hasNormals && !buffers.normal)
      buffers.normal = _gl.createBuffer();
    if (object.hasUvs && !buffers.uv)
      buffers.uv = _gl.createBuffer();
    if (object.hasColors && !buffers.color)
      buffers.color = _gl.createBuffer();
    const programAttributes = program.getAttributes();
    if (object.hasPositions) {
      _gl.bindBuffer(34962, buffers.position);
      _gl.bufferData(34962, object.positionArray, 35048);
      bindingStates.enableAttribute(programAttributes.position.location);
      _gl.vertexAttribPointer(programAttributes.position.location, 3, 5126, false, 0, 0);
    }
    if (object.hasNormals) {
      _gl.bindBuffer(34962, buffers.normal);
      _gl.bufferData(34962, object.normalArray, 35048);
      bindingStates.enableAttribute(programAttributes.normal.location);
      _gl.vertexAttribPointer(programAttributes.normal.location, 3, 5126, false, 0, 0);
    }
    if (object.hasUvs) {
      _gl.bindBuffer(34962, buffers.uv);
      _gl.bufferData(34962, object.uvArray, 35048);
      bindingStates.enableAttribute(programAttributes.uv.location);
      _gl.vertexAttribPointer(programAttributes.uv.location, 2, 5126, false, 0, 0);
    }
    if (object.hasColors) {
      _gl.bindBuffer(34962, buffers.color);
      _gl.bufferData(34962, object.colorArray, 35048);
      bindingStates.enableAttribute(programAttributes.color.location);
      _gl.vertexAttribPointer(programAttributes.color.location, 3, 5126, false, 0, 0);
    }
    bindingStates.disableUnusedAttributes();
    _gl.drawArrays(4, 0, object.count);
    object.count = 0;
  };
  this.renderBufferDirect = function(camera, scene, geometry, material, object, group) {
    if (scene === null)
      scene = _emptyScene;
    const frontFaceCW = object.isMesh && object.matrixWorld.determinant() < 0;
    const program = setProgram(camera, scene, material, object);
    state.setMaterial(material, frontFaceCW);
    let index = geometry.index;
    const position = geometry.attributes.position;
    if (index === null) {
      if (position === void 0 || position.count === 0)
        return;
    } else if (index.count === 0) {
      return;
    }
    let rangeFactor = 1;
    if (material.wireframe === true) {
      index = geometries.getWireframeAttribute(geometry);
      rangeFactor = 2;
    }
    if (geometry.morphAttributes.position !== void 0 || geometry.morphAttributes.normal !== void 0) {
      morphtargets.update(object, geometry, material, program);
    }
    bindingStates.setup(object, material, program, geometry, index);
    let attribute;
    let renderer = bufferRenderer;
    if (index !== null) {
      attribute = attributes.get(index);
      renderer = indexedBufferRenderer;
      renderer.setIndex(attribute);
    }
    const dataCount = index !== null ? index.count : position.count;
    const rangeStart = geometry.drawRange.start * rangeFactor;
    const rangeCount = geometry.drawRange.count * rangeFactor;
    const groupStart = group !== null ? group.start * rangeFactor : 0;
    const groupCount = group !== null ? group.count * rangeFactor : Infinity;
    const drawStart = Math.max(rangeStart, groupStart);
    const drawEnd = Math.min(dataCount, rangeStart + rangeCount, groupStart + groupCount) - 1;
    const drawCount = Math.max(0, drawEnd - drawStart + 1);
    if (drawCount === 0)
      return;
    if (object.isMesh) {
      if (material.wireframe === true) {
        state.setLineWidth(material.wireframeLinewidth * getTargetPixelRatio());
        renderer.setMode(1);
      } else {
        renderer.setMode(4);
      }
    } else if (object.isLine) {
      let lineWidth = material.linewidth;
      if (lineWidth === void 0)
        lineWidth = 1;
      state.setLineWidth(lineWidth * getTargetPixelRatio());
      if (object.isLineSegments) {
        renderer.setMode(1);
      } else if (object.isLineLoop) {
        renderer.setMode(2);
      } else {
        renderer.setMode(3);
      }
    } else if (object.isPoints) {
      renderer.setMode(0);
    } else if (object.isSprite) {
      renderer.setMode(4);
    }
    if (object.isInstancedMesh) {
      renderer.renderInstances(drawStart, drawCount, object.count);
    } else if (geometry.isInstancedBufferGeometry) {
      const instanceCount = Math.min(geometry.instanceCount, geometry._maxInstanceCount);
      renderer.renderInstances(drawStart, drawCount, instanceCount);
    } else {
      renderer.render(drawStart, drawCount);
    }
  };
  this.compile = function(scene, camera) {
    currentRenderState = renderStates.get(scene);
    currentRenderState.init();
    renderStateStack.push(currentRenderState);
    scene.traverseVisible(function(object) {
      if (object.isLight && object.layers.test(camera.layers)) {
        currentRenderState.pushLight(object);
        if (object.castShadow) {
          currentRenderState.pushShadow(object);
        }
      }
    });
    currentRenderState.setupLights(_this.physicallyCorrectLights);
    scene.traverse(function(object) {
      const material = object.material;
      if (material) {
        if (Array.isArray(material)) {
          for (let i = 0; i < material.length; i++) {
            const material2 = material[i];
            getProgram(material2, scene, object);
          }
        } else {
          getProgram(material, scene, object);
        }
      }
    });
    renderStateStack.pop();
    currentRenderState = null;
  };
  let onAnimationFrameCallback = null;
  function onAnimationFrame(time) {
    if (onAnimationFrameCallback)
      onAnimationFrameCallback(time);
  }
  function onXRSessionStart() {
    animation.stop();
  }
  function onXRSessionEnd() {
    animation.start();
  }
  const animation = new WebGLAnimation();
  animation.setAnimationLoop(onAnimationFrame);
  if (typeof window !== "undefined")
    animation.setContext(window);
  this.setAnimationLoop = function(callback) {
    onAnimationFrameCallback = callback;
    xr.setAnimationLoop(callback);
    callback === null ? animation.stop() : animation.start();
  };
  xr.addEventListener("sessionstart", onXRSessionStart);
  xr.addEventListener("sessionend", onXRSessionEnd);
  this.render = function(scene, camera) {
    if (camera !== void 0 && camera.isCamera !== true) {
      console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");
      return;
    }
    if (_isContextLost === true)
      return;
    if (scene.autoUpdate === true)
      scene.updateMatrixWorld();
    if (camera.parent === null)
      camera.updateMatrixWorld();
    if (xr.enabled === true && xr.isPresenting === true) {
      if (xr.cameraAutoUpdate === true)
        xr.updateCamera(camera);
      camera = xr.getCamera();
    }
    if (scene.isScene === true)
      scene.onBeforeRender(_this, scene, camera, _currentRenderTarget);
    currentRenderState = renderStates.get(scene, renderStateStack.length);
    currentRenderState.init();
    renderStateStack.push(currentRenderState);
    _projScreenMatrix2.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse);
    _frustum.setFromProjectionMatrix(_projScreenMatrix2);
    _localClippingEnabled = this.localClippingEnabled;
    _clippingEnabled = clipping.init(this.clippingPlanes, _localClippingEnabled, camera);
    currentRenderList = renderLists.get(scene, renderListStack.length);
    currentRenderList.init();
    renderListStack.push(currentRenderList);
    projectObject(scene, camera, 0, _this.sortObjects);
    currentRenderList.finish();
    if (_this.sortObjects === true) {
      currentRenderList.sort(_opaqueSort, _transparentSort);
    }
    if (_clippingEnabled === true)
      clipping.beginShadows();
    const shadowsArray = currentRenderState.state.shadowsArray;
    shadowMap.render(shadowsArray, scene, camera);
    if (_clippingEnabled === true)
      clipping.endShadows();
    if (this.info.autoReset === true)
      this.info.reset();
    background.render(currentRenderList, scene);
    currentRenderState.setupLights(_this.physicallyCorrectLights);
    if (camera.isArrayCamera) {
      const cameras = camera.cameras;
      for (let i = 0, l = cameras.length; i < l; i++) {
        const camera2 = cameras[i];
        renderScene(currentRenderList, scene, camera2, camera2.viewport);
      }
    } else {
      renderScene(currentRenderList, scene, camera);
    }
    if (_currentRenderTarget !== null) {
      textures.updateMultisampleRenderTarget(_currentRenderTarget);
      textures.updateRenderTargetMipmap(_currentRenderTarget);
    }
    if (scene.isScene === true)
      scene.onAfterRender(_this, scene, camera);
    state.buffers.depth.setTest(true);
    state.buffers.depth.setMask(true);
    state.buffers.color.setMask(true);
    state.setPolygonOffset(false);
    bindingStates.resetDefaultState();
    _currentMaterialId = -1;
    _currentCamera = null;
    renderStateStack.pop();
    if (renderStateStack.length > 0) {
      currentRenderState = renderStateStack[renderStateStack.length - 1];
    } else {
      currentRenderState = null;
    }
    renderListStack.pop();
    if (renderListStack.length > 0) {
      currentRenderList = renderListStack[renderListStack.length - 1];
    } else {
      currentRenderList = null;
    }
  };
  function projectObject(object, camera, groupOrder, sortObjects) {
    if (object.visible === false)
      return;
    const visible = object.layers.test(camera.layers);
    if (visible) {
      if (object.isGroup) {
        groupOrder = object.renderOrder;
      } else if (object.isLOD) {
        if (object.autoUpdate === true)
          object.update(camera);
      } else if (object.isLight) {
        currentRenderState.pushLight(object);
        if (object.castShadow) {
          currentRenderState.pushShadow(object);
        }
      } else if (object.isSprite) {
        if (!object.frustumCulled || _frustum.intersectsSprite(object)) {
          if (sortObjects) {
            _vector3.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix2);
          }
          const geometry = objects.update(object);
          const material = object.material;
          if (material.visible) {
            currentRenderList.push(object, geometry, material, groupOrder, _vector3.z, null);
          }
        }
      } else if (object.isImmediateRenderObject) {
        if (sortObjects) {
          _vector3.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix2);
        }
        currentRenderList.push(object, null, object.material, groupOrder, _vector3.z, null);
      } else if (object.isMesh || object.isLine || object.isPoints) {
        if (object.isSkinnedMesh) {
          if (object.skeleton.frame !== info.render.frame) {
            object.skeleton.update();
            object.skeleton.frame = info.render.frame;
          }
        }
        if (!object.frustumCulled || _frustum.intersectsObject(object)) {
          if (sortObjects) {
            _vector3.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix2);
          }
          const geometry = objects.update(object);
          const material = object.material;
          if (Array.isArray(material)) {
            const groups = geometry.groups;
            for (let i = 0, l = groups.length; i < l; i++) {
              const group = groups[i];
              const groupMaterial = material[group.materialIndex];
              if (groupMaterial && groupMaterial.visible) {
                currentRenderList.push(object, geometry, groupMaterial, groupOrder, _vector3.z, group);
              }
            }
          } else if (material.visible) {
            currentRenderList.push(object, geometry, material, groupOrder, _vector3.z, null);
          }
        }
      }
    }
    const children = object.children;
    for (let i = 0, l = children.length; i < l; i++) {
      projectObject(children[i], camera, groupOrder, sortObjects);
    }
  }
  function renderScene(currentRenderList2, scene, camera, viewport) {
    const opaqueObjects = currentRenderList2.opaque;
    const transmissiveObjects = currentRenderList2.transmissive;
    const transparentObjects = currentRenderList2.transparent;
    currentRenderState.setupLightsView(camera);
    if (transmissiveObjects.length > 0)
      renderTransmissionPass(opaqueObjects, scene, camera);
    if (viewport)
      state.viewport(_currentViewport.copy(viewport));
    if (opaqueObjects.length > 0)
      renderObjects(opaqueObjects, scene, camera);
    if (transmissiveObjects.length > 0)
      renderObjects(transmissiveObjects, scene, camera);
    if (transparentObjects.length > 0)
      renderObjects(transparentObjects, scene, camera);
  }
  function renderTransmissionPass(opaqueObjects, scene, camera) {
    if (_transmissionRenderTarget === null) {
      const needsAntialias = _antialias === true && capabilities.isWebGL2 === true;
      const renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;
      _transmissionRenderTarget = new renderTargetType(1024, 1024, {
        generateMipmaps: true,
        type: utils.convert(HalfFloatType) !== null ? HalfFloatType : UnsignedByteType,
        minFilter: LinearMipmapLinearFilter,
        magFilter: NearestFilter,
        wrapS: ClampToEdgeWrapping,
        wrapT: ClampToEdgeWrapping
      });
    }
    const currentRenderTarget = _this.getRenderTarget();
    _this.setRenderTarget(_transmissionRenderTarget);
    _this.clear();
    const currentToneMapping = _this.toneMapping;
    _this.toneMapping = NoToneMapping;
    renderObjects(opaqueObjects, scene, camera);
    _this.toneMapping = currentToneMapping;
    textures.updateMultisampleRenderTarget(_transmissionRenderTarget);
    textures.updateRenderTargetMipmap(_transmissionRenderTarget);
    _this.setRenderTarget(currentRenderTarget);
  }
  function renderObjects(renderList, scene, camera) {
    const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;
    for (let i = 0, l = renderList.length; i < l; i++) {
      const renderItem = renderList[i];
      const object = renderItem.object;
      const geometry = renderItem.geometry;
      const material = overrideMaterial === null ? renderItem.material : overrideMaterial;
      const group = renderItem.group;
      if (object.layers.test(camera.layers)) {
        renderObject(object, scene, camera, geometry, material, group);
      }
    }
  }
  function renderObject(object, scene, camera, geometry, material, group) {
    object.onBeforeRender(_this, scene, camera, geometry, material, group);
    object.modelViewMatrix.multiplyMatrices(camera.matrixWorldInverse, object.matrixWorld);
    object.normalMatrix.getNormalMatrix(object.modelViewMatrix);
    if (object.isImmediateRenderObject) {
      const program = setProgram(camera, scene, material, object);
      state.setMaterial(material);
      bindingStates.reset();
      renderObjectImmediate(object, program);
    } else {
      if (material.transparent === true && material.side === DoubleSide) {
        material.side = BackSide;
        material.needsUpdate = true;
        _this.renderBufferDirect(camera, scene, geometry, material, object, group);
        material.side = FrontSide;
        material.needsUpdate = true;
        _this.renderBufferDirect(camera, scene, geometry, material, object, group);
        material.side = DoubleSide;
      } else {
        _this.renderBufferDirect(camera, scene, geometry, material, object, group);
      }
    }
    object.onAfterRender(_this, scene, camera, geometry, material, group);
  }
  function getProgram(material, scene, object) {
    if (scene.isScene !== true)
      scene = _emptyScene;
    const materialProperties = properties.get(material);
    const lights = currentRenderState.state.lights;
    const shadowsArray = currentRenderState.state.shadowsArray;
    const lightsStateVersion = lights.state.version;
    const parameters2 = programCache.getParameters(material, lights.state, shadowsArray, scene, object);
    const programCacheKey = programCache.getProgramCacheKey(parameters2);
    let programs = materialProperties.programs;
    materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;
    materialProperties.fog = scene.fog;
    materialProperties.envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || materialProperties.environment);
    if (programs === void 0) {
      material.addEventListener("dispose", onMaterialDispose);
      programs = /* @__PURE__ */ new Map();
      materialProperties.programs = programs;
    }
    let program = programs.get(programCacheKey);
    if (program !== void 0) {
      if (materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion) {
        updateCommonMaterialProperties(material, parameters2);
        return program;
      }
    } else {
      parameters2.uniforms = programCache.getUniforms(material);
      material.onBuild(parameters2, _this);
      material.onBeforeCompile(parameters2, _this);
      program = programCache.acquireProgram(parameters2, programCacheKey);
      programs.set(programCacheKey, program);
      materialProperties.uniforms = parameters2.uniforms;
    }
    const uniforms = materialProperties.uniforms;
    if (!material.isShaderMaterial && !material.isRawShaderMaterial || material.clipping === true) {
      uniforms.clippingPlanes = clipping.uniform;
    }
    updateCommonMaterialProperties(material, parameters2);
    materialProperties.needsLights = materialNeedsLights(material);
    materialProperties.lightsStateVersion = lightsStateVersion;
    if (materialProperties.needsLights) {
      uniforms.ambientLightColor.value = lights.state.ambient;
      uniforms.lightProbe.value = lights.state.probe;
      uniforms.directionalLights.value = lights.state.directional;
      uniforms.directionalLightShadows.value = lights.state.directionalShadow;
      uniforms.spotLights.value = lights.state.spot;
      uniforms.spotLightShadows.value = lights.state.spotShadow;
      uniforms.rectAreaLights.value = lights.state.rectArea;
      uniforms.ltc_1.value = lights.state.rectAreaLTC1;
      uniforms.ltc_2.value = lights.state.rectAreaLTC2;
      uniforms.pointLights.value = lights.state.point;
      uniforms.pointLightShadows.value = lights.state.pointShadow;
      uniforms.hemisphereLights.value = lights.state.hemi;
      uniforms.directionalShadowMap.value = lights.state.directionalShadowMap;
      uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;
      uniforms.spotShadowMap.value = lights.state.spotShadowMap;
      uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;
      uniforms.pointShadowMap.value = lights.state.pointShadowMap;
      uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;
    }
    const progUniforms = program.getUniforms();
    const uniformsList = WebGLUniforms.seqWithValue(progUniforms.seq, uniforms);
    materialProperties.currentProgram = program;
    materialProperties.uniformsList = uniformsList;
    return program;
  }
  function updateCommonMaterialProperties(material, parameters2) {
    const materialProperties = properties.get(material);
    materialProperties.outputEncoding = parameters2.outputEncoding;
    materialProperties.instancing = parameters2.instancing;
    materialProperties.skinning = parameters2.skinning;
    materialProperties.morphTargets = parameters2.morphTargets;
    materialProperties.morphNormals = parameters2.morphNormals;
    materialProperties.numClippingPlanes = parameters2.numClippingPlanes;
    materialProperties.numIntersection = parameters2.numClipIntersection;
    materialProperties.vertexAlphas = parameters2.vertexAlphas;
    materialProperties.vertexTangents = parameters2.vertexTangents;
  }
  function setProgram(camera, scene, material, object) {
    if (scene.isScene !== true)
      scene = _emptyScene;
    textures.resetTextureUnits();
    const fog = scene.fog;
    const environment = material.isMeshStandardMaterial ? scene.environment : null;
    const encoding = _currentRenderTarget === null ? _this.outputEncoding : _currentRenderTarget.texture.encoding;
    const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment);
    const vertexAlphas = material.vertexColors === true && !!object.geometry && !!object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4;
    const vertexTangents = !!object.geometry && !!object.geometry.attributes.tangent;
    const morphTargets = !!object.geometry && !!object.geometry.morphAttributes.position;
    const morphNormals = !!object.geometry && !!object.geometry.morphAttributes.normal;
    const materialProperties = properties.get(material);
    const lights = currentRenderState.state.lights;
    if (_clippingEnabled === true) {
      if (_localClippingEnabled === true || camera !== _currentCamera) {
        const useCache = camera === _currentCamera && material.id === _currentMaterialId;
        clipping.setState(material, camera, useCache);
      }
    }
    let needsProgramChange = false;
    if (material.version === materialProperties.__version) {
      if (materialProperties.needsLights && materialProperties.lightsStateVersion !== lights.state.version) {
        needsProgramChange = true;
      } else if (materialProperties.outputEncoding !== encoding) {
        needsProgramChange = true;
      } else if (object.isInstancedMesh && materialProperties.instancing === false) {
        needsProgramChange = true;
      } else if (!object.isInstancedMesh && materialProperties.instancing === true) {
        needsProgramChange = true;
      } else if (object.isSkinnedMesh && materialProperties.skinning === false) {
        needsProgramChange = true;
      } else if (!object.isSkinnedMesh && materialProperties.skinning === true) {
        needsProgramChange = true;
      } else if (materialProperties.envMap !== envMap) {
        needsProgramChange = true;
      } else if (material.fog && materialProperties.fog !== fog) {
        needsProgramChange = true;
      } else if (materialProperties.numClippingPlanes !== void 0 && (materialProperties.numClippingPlanes !== clipping.numPlanes || materialProperties.numIntersection !== clipping.numIntersection)) {
        needsProgramChange = true;
      } else if (materialProperties.vertexAlphas !== vertexAlphas) {
        needsProgramChange = true;
      } else if (materialProperties.vertexTangents !== vertexTangents) {
        needsProgramChange = true;
      } else if (materialProperties.morphTargets !== morphTargets) {
        needsProgramChange = true;
      } else if (materialProperties.morphNormals !== morphNormals) {
        needsProgramChange = true;
      }
    } else {
      needsProgramChange = true;
      materialProperties.__version = material.version;
    }
    let program = materialProperties.currentProgram;
    if (needsProgramChange === true) {
      program = getProgram(material, scene, object);
    }
    let refreshProgram = false;
    let refreshMaterial = false;
    let refreshLights = false;
    const p_uniforms = program.getUniforms(), m_uniforms = materialProperties.uniforms;
    if (state.useProgram(program.program)) {
      refreshProgram = true;
      refreshMaterial = true;
      refreshLights = true;
    }
    if (material.id !== _currentMaterialId) {
      _currentMaterialId = material.id;
      refreshMaterial = true;
    }
    if (refreshProgram || _currentCamera !== camera) {
      p_uniforms.setValue(_gl, "projectionMatrix", camera.projectionMatrix);
      if (capabilities.logarithmicDepthBuffer) {
        p_uniforms.setValue(_gl, "logDepthBufFC", 2 / (Math.log(camera.far + 1) / Math.LN2));
      }
      if (_currentCamera !== camera) {
        _currentCamera = camera;
        refreshMaterial = true;
        refreshLights = true;
      }
      if (material.isShaderMaterial || material.isMeshPhongMaterial || material.isMeshToonMaterial || material.isMeshStandardMaterial || material.envMap) {
        const uCamPos = p_uniforms.map.cameraPosition;
        if (uCamPos !== void 0) {
          uCamPos.setValue(_gl, _vector3.setFromMatrixPosition(camera.matrixWorld));
        }
      }
      if (material.isMeshPhongMaterial || material.isMeshToonMaterial || material.isMeshLambertMaterial || material.isMeshBasicMaterial || material.isMeshStandardMaterial || material.isShaderMaterial) {
        p_uniforms.setValue(_gl, "isOrthographic", camera.isOrthographicCamera === true);
      }
      if (material.isMeshPhongMaterial || material.isMeshToonMaterial || material.isMeshLambertMaterial || material.isMeshBasicMaterial || material.isMeshStandardMaterial || material.isShaderMaterial || material.isShadowMaterial || object.isSkinnedMesh) {
        p_uniforms.setValue(_gl, "viewMatrix", camera.matrixWorldInverse);
      }
    }
    if (object.isSkinnedMesh) {
      p_uniforms.setOptional(_gl, object, "bindMatrix");
      p_uniforms.setOptional(_gl, object, "bindMatrixInverse");
      const skeleton = object.skeleton;
      if (skeleton) {
        if (capabilities.floatVertexTextures) {
          if (skeleton.boneTexture === null)
            skeleton.computeBoneTexture();
          p_uniforms.setValue(_gl, "boneTexture", skeleton.boneTexture, textures);
          p_uniforms.setValue(_gl, "boneTextureSize", skeleton.boneTextureSize);
        } else {
          p_uniforms.setOptional(_gl, skeleton, "boneMatrices");
        }
      }
    }
    if (refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow) {
      materialProperties.receiveShadow = object.receiveShadow;
      p_uniforms.setValue(_gl, "receiveShadow", object.receiveShadow);
    }
    if (refreshMaterial) {
      p_uniforms.setValue(_gl, "toneMappingExposure", _this.toneMappingExposure);
      if (materialProperties.needsLights) {
        markUniformsLightsNeedsUpdate(m_uniforms, refreshLights);
      }
      if (fog && material.fog) {
        materials.refreshFogUniforms(m_uniforms, fog);
      }
      materials.refreshMaterialUniforms(m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget);
      WebGLUniforms.upload(_gl, materialProperties.uniformsList, m_uniforms, textures);
    }
    if (material.isShaderMaterial && material.uniformsNeedUpdate === true) {
      WebGLUniforms.upload(_gl, materialProperties.uniformsList, m_uniforms, textures);
      material.uniformsNeedUpdate = false;
    }
    if (material.isSpriteMaterial) {
      p_uniforms.setValue(_gl, "center", object.center);
    }
    p_uniforms.setValue(_gl, "modelViewMatrix", object.modelViewMatrix);
    p_uniforms.setValue(_gl, "normalMatrix", object.normalMatrix);
    p_uniforms.setValue(_gl, "modelMatrix", object.matrixWorld);
    return program;
  }
  function markUniformsLightsNeedsUpdate(uniforms, value) {
    uniforms.ambientLightColor.needsUpdate = value;
    uniforms.lightProbe.needsUpdate = value;
    uniforms.directionalLights.needsUpdate = value;
    uniforms.directionalLightShadows.needsUpdate = value;
    uniforms.pointLights.needsUpdate = value;
    uniforms.pointLightShadows.needsUpdate = value;
    uniforms.spotLights.needsUpdate = value;
    uniforms.spotLightShadows.needsUpdate = value;
    uniforms.rectAreaLights.needsUpdate = value;
    uniforms.hemisphereLights.needsUpdate = value;
  }
  function materialNeedsLights(material) {
    return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || material.isMeshStandardMaterial || material.isShadowMaterial || material.isShaderMaterial && material.lights === true;
  }
  this.getActiveCubeFace = function() {
    return _currentActiveCubeFace;
  };
  this.getActiveMipmapLevel = function() {
    return _currentActiveMipmapLevel;
  };
  this.getRenderTarget = function() {
    return _currentRenderTarget;
  };
  this.setRenderTarget = function(renderTarget, activeCubeFace = 0, activeMipmapLevel = 0) {
    _currentRenderTarget = renderTarget;
    _currentActiveCubeFace = activeCubeFace;
    _currentActiveMipmapLevel = activeMipmapLevel;
    if (renderTarget && properties.get(renderTarget).__webglFramebuffer === void 0) {
      textures.setupRenderTarget(renderTarget);
    }
    let framebuffer = null;
    let isCube = false;
    let isRenderTarget3D = false;
    if (renderTarget) {
      const texture = renderTarget.texture;
      if (texture.isDataTexture3D || texture.isDataTexture2DArray) {
        isRenderTarget3D = true;
      }
      const __webglFramebuffer = properties.get(renderTarget).__webglFramebuffer;
      if (renderTarget.isWebGLCubeRenderTarget) {
        framebuffer = __webglFramebuffer[activeCubeFace];
        isCube = true;
      } else if (renderTarget.isWebGLMultisampleRenderTarget) {
        framebuffer = properties.get(renderTarget).__webglMultisampledFramebuffer;
      } else {
        framebuffer = __webglFramebuffer;
      }
      _currentViewport.copy(renderTarget.viewport);
      _currentScissor.copy(renderTarget.scissor);
      _currentScissorTest = renderTarget.scissorTest;
    } else {
      _currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor();
      _currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor();
      _currentScissorTest = _scissorTest;
    }
    const framebufferBound = state.bindFramebuffer(36160, framebuffer);
    if (framebufferBound && capabilities.drawBuffers) {
      let needsUpdate = false;
      if (renderTarget) {
        if (renderTarget.isWebGLMultipleRenderTargets) {
          const textures2 = renderTarget.texture;
          if (_currentDrawBuffers.length !== textures2.length || _currentDrawBuffers[0] !== 36064) {
            for (let i = 0, il = textures2.length; i < il; i++) {
              _currentDrawBuffers[i] = 36064 + i;
            }
            _currentDrawBuffers.length = textures2.length;
            needsUpdate = true;
          }
        } else {
          if (_currentDrawBuffers.length !== 1 || _currentDrawBuffers[0] !== 36064) {
            _currentDrawBuffers[0] = 36064;
            _currentDrawBuffers.length = 1;
            needsUpdate = true;
          }
        }
      } else {
        if (_currentDrawBuffers.length !== 1 || _currentDrawBuffers[0] !== 1029) {
          _currentDrawBuffers[0] = 1029;
          _currentDrawBuffers.length = 1;
          needsUpdate = true;
        }
      }
      if (needsUpdate) {
        if (capabilities.isWebGL2) {
          _gl.drawBuffers(_currentDrawBuffers);
        } else {
          extensions.get("WEBGL_draw_buffers").drawBuffersWEBGL(_currentDrawBuffers);
        }
      }
    }
    state.viewport(_currentViewport);
    state.scissor(_currentScissor);
    state.setScissorTest(_currentScissorTest);
    if (isCube) {
      const textureProperties = properties.get(renderTarget.texture);
      _gl.framebufferTexture2D(36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel);
    } else if (isRenderTarget3D) {
      const textureProperties = properties.get(renderTarget.texture);
      const layer = activeCubeFace || 0;
      _gl.framebufferTextureLayer(36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer);
    }
    _currentMaterialId = -1;
  };
  this.readRenderTargetPixels = function(renderTarget, x, y, width, height, buffer, activeCubeFaceIndex) {
    if (!(renderTarget && renderTarget.isWebGLRenderTarget)) {
      console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");
      return;
    }
    let framebuffer = properties.get(renderTarget).__webglFramebuffer;
    if (renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== void 0) {
      framebuffer = framebuffer[activeCubeFaceIndex];
    }
    if (framebuffer) {
      state.bindFramebuffer(36160, framebuffer);
      try {
        const texture = renderTarget.texture;
        const textureFormat = texture.format;
        const textureType = texture.type;
        if (textureFormat !== RGBAFormat && utils.convert(textureFormat) !== _gl.getParameter(35739)) {
          console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");
          return;
        }
        const halfFloatSupportedByExt = textureType === HalfFloatType && (extensions.has("EXT_color_buffer_half_float") || capabilities.isWebGL2 && extensions.has("EXT_color_buffer_float"));
        if (textureType !== UnsignedByteType && utils.convert(textureType) !== _gl.getParameter(35738) && !(textureType === FloatType && (capabilities.isWebGL2 || extensions.has("OES_texture_float") || extensions.has("WEBGL_color_buffer_float"))) && !halfFloatSupportedByExt) {
          console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");
          return;
        }
        if (_gl.checkFramebufferStatus(36160) === 36053) {
          if (x >= 0 && x <= renderTarget.width - width && (y >= 0 && y <= renderTarget.height - height)) {
            _gl.readPixels(x, y, width, height, utils.convert(textureFormat), utils.convert(textureType), buffer);
          }
        } else {
          console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.");
        }
      } finally {
        const framebuffer2 = _currentRenderTarget !== null ? properties.get(_currentRenderTarget).__webglFramebuffer : null;
        state.bindFramebuffer(36160, framebuffer2);
      }
    }
  };
  this.copyFramebufferToTexture = function(position, texture, level = 0) {
    const levelScale = Math.pow(2, -level);
    const width = Math.floor(texture.image.width * levelScale);
    const height = Math.floor(texture.image.height * levelScale);
    let glFormat = utils.convert(texture.format);
    if (capabilities.isWebGL2) {
      if (glFormat === 6407)
        glFormat = 32849;
      if (glFormat === 6408)
        glFormat = 32856;
    }
    textures.setTexture2D(texture, 0);
    _gl.copyTexImage2D(3553, level, glFormat, position.x, position.y, width, height, 0);
    state.unbindTexture();
  };
  this.copyTextureToTexture = function(position, srcTexture, dstTexture, level = 0) {
    const width = srcTexture.image.width;
    const height = srcTexture.image.height;
    const glFormat = utils.convert(dstTexture.format);
    const glType = utils.convert(dstTexture.type);
    textures.setTexture2D(dstTexture, 0);
    _gl.pixelStorei(37440, dstTexture.flipY);
    _gl.pixelStorei(37441, dstTexture.premultiplyAlpha);
    _gl.pixelStorei(3317, dstTexture.unpackAlignment);
    if (srcTexture.isDataTexture) {
      _gl.texSubImage2D(3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data);
    } else {
      if (srcTexture.isCompressedTexture) {
        _gl.compressedTexSubImage2D(3553, level, position.x, position.y, srcTexture.mipmaps[0].width, srcTexture.mipmaps[0].height, glFormat, srcTexture.mipmaps[0].data);
      } else {
        _gl.texSubImage2D(3553, level, position.x, position.y, glFormat, glType, srcTexture.image);
      }
    }
    if (level === 0 && dstTexture.generateMipmaps)
      _gl.generateMipmap(3553);
    state.unbindTexture();
  };
  this.copyTextureToTexture3D = function(sourceBox, position, srcTexture, dstTexture, level = 0) {
    if (_this.isWebGL1Renderer) {
      console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");
      return;
    }
    const width = sourceBox.max.x - sourceBox.min.x + 1;
    const height = sourceBox.max.y - sourceBox.min.y + 1;
    const depth = sourceBox.max.z - sourceBox.min.z + 1;
    const glFormat = utils.convert(dstTexture.format);
    const glType = utils.convert(dstTexture.type);
    let glTarget;
    if (dstTexture.isDataTexture3D) {
      textures.setTexture3D(dstTexture, 0);
      glTarget = 32879;
    } else if (dstTexture.isDataTexture2DArray) {
      textures.setTexture2DArray(dstTexture, 0);
      glTarget = 35866;
    } else {
      console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");
      return;
    }
    _gl.pixelStorei(37440, dstTexture.flipY);
    _gl.pixelStorei(37441, dstTexture.premultiplyAlpha);
    _gl.pixelStorei(3317, dstTexture.unpackAlignment);
    const unpackRowLen = _gl.getParameter(3314);
    const unpackImageHeight = _gl.getParameter(32878);
    const unpackSkipPixels = _gl.getParameter(3316);
    const unpackSkipRows = _gl.getParameter(3315);
    const unpackSkipImages = _gl.getParameter(32877);
    const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[0] : srcTexture.image;
    _gl.pixelStorei(3314, image.width);
    _gl.pixelStorei(32878, image.height);
    _gl.pixelStorei(3316, sourceBox.min.x);
    _gl.pixelStorei(3315, sourceBox.min.y);
    _gl.pixelStorei(32877, sourceBox.min.z);
    if (srcTexture.isDataTexture || srcTexture.isDataTexture3D) {
      _gl.texSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data);
    } else {
      if (srcTexture.isCompressedTexture) {
        console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.");
        _gl.compressedTexSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data);
      } else {
        _gl.texSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image);
      }
    }
    _gl.pixelStorei(3314, unpackRowLen);
    _gl.pixelStorei(32878, unpackImageHeight);
    _gl.pixelStorei(3316, unpackSkipPixels);
    _gl.pixelStorei(3315, unpackSkipRows);
    _gl.pixelStorei(32877, unpackSkipImages);
    if (level === 0 && dstTexture.generateMipmaps)
      _gl.generateMipmap(glTarget);
    state.unbindTexture();
  };
  this.initTexture = function(texture) {
    textures.setTexture2D(texture, 0);
    state.unbindTexture();
  };
  this.resetState = function() {
    _currentActiveCubeFace = 0;
    _currentActiveMipmapLevel = 0;
    _currentRenderTarget = null;
    state.reset();
    bindingStates.reset();
  };
  if (typeof __THREE_DEVTOOLS__ !== "undefined") {
    __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this }));
  }
}
var WebGL1Renderer = class extends WebGLRenderer {
};
WebGL1Renderer.prototype.isWebGL1Renderer = true;
var FogExp2 = class {
  constructor(color, density = 25e-5) {
    this.name = "";
    this.color = new Color(color);
    this.density = density;
  }
  clone() {
    return new FogExp2(this.color, this.density);
  }
  toJSON() {
    return {
      type: "FogExp2",
      color: this.color.getHex(),
      density: this.density
    };
  }
};
FogExp2.prototype.isFogExp2 = true;
var Fog = class {
  constructor(color, near = 1, far = 1e3) {
    this.name = "";
    this.color = new Color(color);
    this.near = near;
    this.far = far;
  }
  clone() {
    return new Fog(this.color, this.near, this.far);
  }
  toJSON() {
    return {
      type: "Fog",
      color: this.color.getHex(),
      near: this.near,
      far: this.far
    };
  }
};
Fog.prototype.isFog = true;
var Scene = class extends Object3D {
  constructor() {
    super();
    this.type = "Scene";
    this.background = null;
    this.environment = null;
    this.fog = null;
    this.overrideMaterial = null;
    this.autoUpdate = true;
    if (typeof __THREE_DEVTOOLS__ !== "undefined") {
      __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this }));
    }
  }
  copy(source, recursive) {
    super.copy(source, recursive);
    if (source.background !== null)
      this.background = source.background.clone();
    if (source.environment !== null)
      this.environment = source.environment.clone();
    if (source.fog !== null)
      this.fog = source.fog.clone();
    if (source.overrideMaterial !== null)
      this.overrideMaterial = source.overrideMaterial.clone();
    this.autoUpdate = source.autoUpdate;
    this.matrixAutoUpdate = source.matrixAutoUpdate;
    return this;
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    if (this.fog !== null)
      data.object.fog = this.fog.toJSON();
    return data;
  }
};
Scene.prototype.isScene = true;
var InterleavedBuffer = class {
  constructor(array, stride) {
    this.array = array;
    this.stride = stride;
    this.count = array !== void 0 ? array.length / stride : 0;
    this.usage = StaticDrawUsage;
    this.updateRange = { offset: 0, count: -1 };
    this.version = 0;
    this.uuid = generateUUID();
  }
  onUploadCallback() {
  }
  set needsUpdate(value) {
    if (value === true)
      this.version++;
  }
  setUsage(value) {
    this.usage = value;
    return this;
  }
  copy(source) {
    this.array = new source.array.constructor(source.array);
    this.count = source.count;
    this.stride = source.stride;
    this.usage = source.usage;
    return this;
  }
  copyAt(index1, attribute, index2) {
    index1 *= this.stride;
    index2 *= attribute.stride;
    for (let i = 0, l = this.stride; i < l; i++) {
      this.array[index1 + i] = attribute.array[index2 + i];
    }
    return this;
  }
  set(value, offset = 0) {
    this.array.set(value, offset);
    return this;
  }
  clone(data) {
    if (data.arrayBuffers === void 0) {
      data.arrayBuffers = {};
    }
    if (this.array.buffer._uuid === void 0) {
      this.array.buffer._uuid = generateUUID();
    }
    if (data.arrayBuffers[this.array.buffer._uuid] === void 0) {
      data.arrayBuffers[this.array.buffer._uuid] = this.array.slice(0).buffer;
    }
    const array = new this.array.constructor(data.arrayBuffers[this.array.buffer._uuid]);
    const ib = new this.constructor(array, this.stride);
    ib.setUsage(this.usage);
    return ib;
  }
  onUpload(callback) {
    this.onUploadCallback = callback;
    return this;
  }
  toJSON(data) {
    if (data.arrayBuffers === void 0) {
      data.arrayBuffers = {};
    }
    if (this.array.buffer._uuid === void 0) {
      this.array.buffer._uuid = generateUUID();
    }
    if (data.arrayBuffers[this.array.buffer._uuid] === void 0) {
      data.arrayBuffers[this.array.buffer._uuid] = Array.prototype.slice.call(new Uint32Array(this.array.buffer));
    }
    return {
      uuid: this.uuid,
      buffer: this.array.buffer._uuid,
      type: this.array.constructor.name,
      stride: this.stride
    };
  }
};
InterleavedBuffer.prototype.isInterleavedBuffer = true;
var _vector$6 = /* @__PURE__ */ new Vector3();
var InterleavedBufferAttribute = class {
  constructor(interleavedBuffer, itemSize, offset, normalized = false) {
    this.name = "";
    this.data = interleavedBuffer;
    this.itemSize = itemSize;
    this.offset = offset;
    this.normalized = normalized === true;
  }
  get count() {
    return this.data.count;
  }
  get array() {
    return this.data.array;
  }
  set needsUpdate(value) {
    this.data.needsUpdate = value;
  }
  applyMatrix4(m) {
    for (let i = 0, l = this.data.count; i < l; i++) {
      _vector$6.x = this.getX(i);
      _vector$6.y = this.getY(i);
      _vector$6.z = this.getZ(i);
      _vector$6.applyMatrix4(m);
      this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z);
    }
    return this;
  }
  applyNormalMatrix(m) {
    for (let i = 0, l = this.count; i < l; i++) {
      _vector$6.x = this.getX(i);
      _vector$6.y = this.getY(i);
      _vector$6.z = this.getZ(i);
      _vector$6.applyNormalMatrix(m);
      this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z);
    }
    return this;
  }
  transformDirection(m) {
    for (let i = 0, l = this.count; i < l; i++) {
      _vector$6.x = this.getX(i);
      _vector$6.y = this.getY(i);
      _vector$6.z = this.getZ(i);
      _vector$6.transformDirection(m);
      this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z);
    }
    return this;
  }
  setX(index, x) {
    this.data.array[index * this.data.stride + this.offset] = x;
    return this;
  }
  setY(index, y) {
    this.data.array[index * this.data.stride + this.offset + 1] = y;
    return this;
  }
  setZ(index, z) {
    this.data.array[index * this.data.stride + this.offset + 2] = z;
    return this;
  }
  setW(index, w2) {
    this.data.array[index * this.data.stride + this.offset + 3] = w2;
    return this;
  }
  getX(index) {
    return this.data.array[index * this.data.stride + this.offset];
  }
  getY(index) {
    return this.data.array[index * this.data.stride + this.offset + 1];
  }
  getZ(index) {
    return this.data.array[index * this.data.stride + this.offset + 2];
  }
  getW(index) {
    return this.data.array[index * this.data.stride + this.offset + 3];
  }
  setXY(index, x, y) {
    index = index * this.data.stride + this.offset;
    this.data.array[index + 0] = x;
    this.data.array[index + 1] = y;
    return this;
  }
  setXYZ(index, x, y, z) {
    index = index * this.data.stride + this.offset;
    this.data.array[index + 0] = x;
    this.data.array[index + 1] = y;
    this.data.array[index + 2] = z;
    return this;
  }
  setXYZW(index, x, y, z, w2) {
    index = index * this.data.stride + this.offset;
    this.data.array[index + 0] = x;
    this.data.array[index + 1] = y;
    this.data.array[index + 2] = z;
    this.data.array[index + 3] = w2;
    return this;
  }
  clone(data) {
    if (data === void 0) {
      console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");
      const array = [];
      for (let i = 0; i < this.count; i++) {
        const index = i * this.data.stride + this.offset;
        for (let j = 0; j < this.itemSize; j++) {
          array.push(this.data.array[index + j]);
        }
      }
      return new BufferAttribute(new this.array.constructor(array), this.itemSize, this.normalized);
    } else {
      if (data.interleavedBuffers === void 0) {
        data.interleavedBuffers = {};
      }
      if (data.interleavedBuffers[this.data.uuid] === void 0) {
        data.interleavedBuffers[this.data.uuid] = this.data.clone(data);
      }
      return new InterleavedBufferAttribute(data.interleavedBuffers[this.data.uuid], this.itemSize, this.offset, this.normalized);
    }
  }
  toJSON(data) {
    if (data === void 0) {
      console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");
      const array = [];
      for (let i = 0; i < this.count; i++) {
        const index = i * this.data.stride + this.offset;
        for (let j = 0; j < this.itemSize; j++) {
          array.push(this.data.array[index + j]);
        }
      }
      return {
        itemSize: this.itemSize,
        type: this.array.constructor.name,
        array,
        normalized: this.normalized
      };
    } else {
      if (data.interleavedBuffers === void 0) {
        data.interleavedBuffers = {};
      }
      if (data.interleavedBuffers[this.data.uuid] === void 0) {
        data.interleavedBuffers[this.data.uuid] = this.data.toJSON(data);
      }
      return {
        isInterleavedBufferAttribute: true,
        itemSize: this.itemSize,
        data: this.data.uuid,
        offset: this.offset,
        normalized: this.normalized
      };
    }
  }
};
InterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;
var SpriteMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "SpriteMaterial";
    this.color = new Color(16777215);
    this.map = null;
    this.alphaMap = null;
    this.rotation = 0;
    this.sizeAttenuation = true;
    this.transparent = true;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.map = source.map;
    this.alphaMap = source.alphaMap;
    this.rotation = source.rotation;
    this.sizeAttenuation = source.sizeAttenuation;
    return this;
  }
};
SpriteMaterial.prototype.isSpriteMaterial = true;
var _geometry;
var _intersectPoint = /* @__PURE__ */ new Vector3();
var _worldScale = /* @__PURE__ */ new Vector3();
var _mvPosition = /* @__PURE__ */ new Vector3();
var _alignedPosition = /* @__PURE__ */ new Vector2();
var _rotatedPosition = /* @__PURE__ */ new Vector2();
var _viewWorldMatrix = /* @__PURE__ */ new Matrix4();
var _vA = /* @__PURE__ */ new Vector3();
var _vB = /* @__PURE__ */ new Vector3();
var _vC = /* @__PURE__ */ new Vector3();
var _uvA = /* @__PURE__ */ new Vector2();
var _uvB = /* @__PURE__ */ new Vector2();
var _uvC = /* @__PURE__ */ new Vector2();
var Sprite = class extends Object3D {
  constructor(material) {
    super();
    this.type = "Sprite";
    if (_geometry === void 0) {
      _geometry = new BufferGeometry();
      const float32Array = new Float32Array([
        -0.5,
        -0.5,
        0,
        0,
        0,
        0.5,
        -0.5,
        0,
        1,
        0,
        0.5,
        0.5,
        0,
        1,
        1,
        -0.5,
        0.5,
        0,
        0,
        1
      ]);
      const interleavedBuffer = new InterleavedBuffer(float32Array, 5);
      _geometry.setIndex([0, 1, 2, 0, 2, 3]);
      _geometry.setAttribute("position", new InterleavedBufferAttribute(interleavedBuffer, 3, 0, false));
      _geometry.setAttribute("uv", new InterleavedBufferAttribute(interleavedBuffer, 2, 3, false));
    }
    this.geometry = _geometry;
    this.material = material !== void 0 ? material : new SpriteMaterial();
    this.center = new Vector2(0.5, 0.5);
  }
  raycast(raycaster, intersects2) {
    if (raycaster.camera === null) {
      console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.');
    }
    _worldScale.setFromMatrixScale(this.matrixWorld);
    _viewWorldMatrix.copy(raycaster.camera.matrixWorld);
    this.modelViewMatrix.multiplyMatrices(raycaster.camera.matrixWorldInverse, this.matrixWorld);
    _mvPosition.setFromMatrixPosition(this.modelViewMatrix);
    if (raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false) {
      _worldScale.multiplyScalar(-_mvPosition.z);
    }
    const rotation = this.material.rotation;
    let sin, cos;
    if (rotation !== 0) {
      cos = Math.cos(rotation);
      sin = Math.sin(rotation);
    }
    const center = this.center;
    transformVertex(_vA.set(-0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos);
    transformVertex(_vB.set(0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos);
    transformVertex(_vC.set(0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos);
    _uvA.set(0, 0);
    _uvB.set(1, 0);
    _uvC.set(1, 1);
    let intersect2 = raycaster.ray.intersectTriangle(_vA, _vB, _vC, false, _intersectPoint);
    if (intersect2 === null) {
      transformVertex(_vB.set(-0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos);
      _uvB.set(0, 1);
      intersect2 = raycaster.ray.intersectTriangle(_vA, _vC, _vB, false, _intersectPoint);
      if (intersect2 === null) {
        return;
      }
    }
    const distance = raycaster.ray.origin.distanceTo(_intersectPoint);
    if (distance < raycaster.near || distance > raycaster.far)
      return;
    intersects2.push({
      distance,
      point: _intersectPoint.clone(),
      uv: Triangle.getUV(_intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2()),
      face: null,
      object: this
    });
  }
  copy(source) {
    super.copy(source);
    if (source.center !== void 0)
      this.center.copy(source.center);
    this.material = source.material;
    return this;
  }
};
Sprite.prototype.isSprite = true;
function transformVertex(vertexPosition, mvPosition, center, scale, sin, cos) {
  _alignedPosition.subVectors(vertexPosition, center).addScalar(0.5).multiply(scale);
  if (sin !== void 0) {
    _rotatedPosition.x = cos * _alignedPosition.x - sin * _alignedPosition.y;
    _rotatedPosition.y = sin * _alignedPosition.x + cos * _alignedPosition.y;
  } else {
    _rotatedPosition.copy(_alignedPosition);
  }
  vertexPosition.copy(mvPosition);
  vertexPosition.x += _rotatedPosition.x;
  vertexPosition.y += _rotatedPosition.y;
  vertexPosition.applyMatrix4(_viewWorldMatrix);
}
var _basePosition = /* @__PURE__ */ new Vector3();
var _skinIndex = /* @__PURE__ */ new Vector4();
var _skinWeight = /* @__PURE__ */ new Vector4();
var _vector$5 = /* @__PURE__ */ new Vector3();
var _matrix = /* @__PURE__ */ new Matrix4();
var SkinnedMesh = class extends Mesh {
  constructor(geometry, material) {
    super(geometry, material);
    this.type = "SkinnedMesh";
    this.bindMode = "attached";
    this.bindMatrix = new Matrix4();
    this.bindMatrixInverse = new Matrix4();
  }
  copy(source) {
    super.copy(source);
    this.bindMode = source.bindMode;
    this.bindMatrix.copy(source.bindMatrix);
    this.bindMatrixInverse.copy(source.bindMatrixInverse);
    this.skeleton = source.skeleton;
    return this;
  }
  bind(skeleton, bindMatrix) {
    this.skeleton = skeleton;
    if (bindMatrix === void 0) {
      this.updateMatrixWorld(true);
      this.skeleton.calculateInverses();
      bindMatrix = this.matrixWorld;
    }
    this.bindMatrix.copy(bindMatrix);
    this.bindMatrixInverse.copy(bindMatrix).invert();
  }
  pose() {
    this.skeleton.pose();
  }
  normalizeSkinWeights() {
    const vector = new Vector4();
    const skinWeight = this.geometry.attributes.skinWeight;
    for (let i = 0, l = skinWeight.count; i < l; i++) {
      vector.x = skinWeight.getX(i);
      vector.y = skinWeight.getY(i);
      vector.z = skinWeight.getZ(i);
      vector.w = skinWeight.getW(i);
      const scale = 1 / vector.manhattanLength();
      if (scale !== Infinity) {
        vector.multiplyScalar(scale);
      } else {
        vector.set(1, 0, 0, 0);
      }
      skinWeight.setXYZW(i, vector.x, vector.y, vector.z, vector.w);
    }
  }
  updateMatrixWorld(force) {
    super.updateMatrixWorld(force);
    if (this.bindMode === "attached") {
      this.bindMatrixInverse.copy(this.matrixWorld).invert();
    } else if (this.bindMode === "detached") {
      this.bindMatrixInverse.copy(this.bindMatrix).invert();
    } else {
      console.warn("THREE.SkinnedMesh: Unrecognized bindMode: " + this.bindMode);
    }
  }
  boneTransform(index, target) {
    const skeleton = this.skeleton;
    const geometry = this.geometry;
    _skinIndex.fromBufferAttribute(geometry.attributes.skinIndex, index);
    _skinWeight.fromBufferAttribute(geometry.attributes.skinWeight, index);
    _basePosition.fromBufferAttribute(geometry.attributes.position, index).applyMatrix4(this.bindMatrix);
    target.set(0, 0, 0);
    for (let i = 0; i < 4; i++) {
      const weight = _skinWeight.getComponent(i);
      if (weight !== 0) {
        const boneIndex = _skinIndex.getComponent(i);
        _matrix.multiplyMatrices(skeleton.bones[boneIndex].matrixWorld, skeleton.boneInverses[boneIndex]);
        target.addScaledVector(_vector$5.copy(_basePosition).applyMatrix4(_matrix), weight);
      }
    }
    return target.applyMatrix4(this.bindMatrixInverse);
  }
};
SkinnedMesh.prototype.isSkinnedMesh = true;
var Bone = class extends Object3D {
  constructor() {
    super();
    this.type = "Bone";
  }
};
Bone.prototype.isBone = true;
var DataTexture = class extends Texture {
  constructor(data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding) {
    super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding);
    this.image = { data, width, height };
    this.magFilter = magFilter;
    this.minFilter = minFilter;
    this.generateMipmaps = false;
    this.flipY = false;
    this.unpackAlignment = 1;
    this.needsUpdate = true;
  }
};
DataTexture.prototype.isDataTexture = true;
var InstancedBufferAttribute = class extends BufferAttribute {
  constructor(array, itemSize, normalized, meshPerAttribute = 1) {
    if (typeof normalized === "number") {
      meshPerAttribute = normalized;
      normalized = false;
      console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.");
    }
    super(array, itemSize, normalized);
    this.meshPerAttribute = meshPerAttribute;
  }
  copy(source) {
    super.copy(source);
    this.meshPerAttribute = source.meshPerAttribute;
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.meshPerAttribute = this.meshPerAttribute;
    data.isInstancedBufferAttribute = true;
    return data;
  }
};
InstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;
var _instanceLocalMatrix = /* @__PURE__ */ new Matrix4();
var _instanceWorldMatrix = /* @__PURE__ */ new Matrix4();
var _instanceIntersects = [];
var _mesh = /* @__PURE__ */ new Mesh();
var InstancedMesh = class extends Mesh {
  constructor(geometry, material, count) {
    super(geometry, material);
    this.instanceMatrix = new InstancedBufferAttribute(new Float32Array(count * 16), 16);
    this.instanceColor = null;
    this.count = count;
    this.frustumCulled = false;
  }
  copy(source) {
    super.copy(source);
    this.instanceMatrix.copy(source.instanceMatrix);
    if (source.instanceColor !== null)
      this.instanceColor = source.instanceColor.clone();
    this.count = source.count;
    return this;
  }
  getColorAt(index, color) {
    color.fromArray(this.instanceColor.array, index * 3);
  }
  getMatrixAt(index, matrix) {
    matrix.fromArray(this.instanceMatrix.array, index * 16);
  }
  raycast(raycaster, intersects2) {
    const matrixWorld = this.matrixWorld;
    const raycastTimes = this.count;
    _mesh.geometry = this.geometry;
    _mesh.material = this.material;
    if (_mesh.material === void 0)
      return;
    for (let instanceId = 0; instanceId < raycastTimes; instanceId++) {
      this.getMatrixAt(instanceId, _instanceLocalMatrix);
      _instanceWorldMatrix.multiplyMatrices(matrixWorld, _instanceLocalMatrix);
      _mesh.matrixWorld = _instanceWorldMatrix;
      _mesh.raycast(raycaster, _instanceIntersects);
      for (let i = 0, l = _instanceIntersects.length; i < l; i++) {
        const intersect2 = _instanceIntersects[i];
        intersect2.instanceId = instanceId;
        intersect2.object = this;
        intersects2.push(intersect2);
      }
      _instanceIntersects.length = 0;
    }
  }
  setColorAt(index, color) {
    if (this.instanceColor === null) {
      this.instanceColor = new InstancedBufferAttribute(new Float32Array(this.instanceMatrix.count * 3), 3);
    }
    color.toArray(this.instanceColor.array, index * 3);
  }
  setMatrixAt(index, matrix) {
    matrix.toArray(this.instanceMatrix.array, index * 16);
  }
  updateMorphTargets() {
  }
  dispose() {
    this.dispatchEvent({ type: "dispose" });
  }
};
InstancedMesh.prototype.isInstancedMesh = true;
var LineBasicMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "LineBasicMaterial";
    this.color = new Color(16777215);
    this.linewidth = 1;
    this.linecap = "round";
    this.linejoin = "round";
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.linewidth = source.linewidth;
    this.linecap = source.linecap;
    this.linejoin = source.linejoin;
    return this;
  }
};
LineBasicMaterial.prototype.isLineBasicMaterial = true;
var _start$1 = /* @__PURE__ */ new Vector3();
var _end$1 = /* @__PURE__ */ new Vector3();
var _inverseMatrix$1 = /* @__PURE__ */ new Matrix4();
var _ray$1 = /* @__PURE__ */ new Ray();
var _sphere$1 = /* @__PURE__ */ new Sphere();
var Line = class extends Object3D {
  constructor(geometry = new BufferGeometry(), material = new LineBasicMaterial()) {
    super();
    this.type = "Line";
    this.geometry = geometry;
    this.material = material;
    this.updateMorphTargets();
  }
  copy(source) {
    super.copy(source);
    this.material = source.material;
    this.geometry = source.geometry;
    return this;
  }
  computeLineDistances() {
    const geometry = this.geometry;
    if (geometry.isBufferGeometry) {
      if (geometry.index === null) {
        const positionAttribute = geometry.attributes.position;
        const lineDistances = [0];
        for (let i = 1, l = positionAttribute.count; i < l; i++) {
          _start$1.fromBufferAttribute(positionAttribute, i - 1);
          _end$1.fromBufferAttribute(positionAttribute, i);
          lineDistances[i] = lineDistances[i - 1];
          lineDistances[i] += _start$1.distanceTo(_end$1);
        }
        geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1));
      } else {
        console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");
      }
    } else if (geometry.isGeometry) {
      console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
    }
    return this;
  }
  raycast(raycaster, intersects2) {
    const geometry = this.geometry;
    const matrixWorld = this.matrixWorld;
    const threshold = raycaster.params.Line.threshold;
    const drawRange = geometry.drawRange;
    if (geometry.boundingSphere === null)
      geometry.computeBoundingSphere();
    _sphere$1.copy(geometry.boundingSphere);
    _sphere$1.applyMatrix4(matrixWorld);
    _sphere$1.radius += threshold;
    if (raycaster.ray.intersectsSphere(_sphere$1) === false)
      return;
    _inverseMatrix$1.copy(matrixWorld).invert();
    _ray$1.copy(raycaster.ray).applyMatrix4(_inverseMatrix$1);
    const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3);
    const localThresholdSq = localThreshold * localThreshold;
    const vStart = new Vector3();
    const vEnd = new Vector3();
    const interSegment = new Vector3();
    const interRay = new Vector3();
    const step = this.isLineSegments ? 2 : 1;
    if (geometry.isBufferGeometry) {
      const index = geometry.index;
      const attributes = geometry.attributes;
      const positionAttribute = attributes.position;
      if (index !== null) {
        const start = Math.max(0, drawRange.start);
        const end = Math.min(index.count, drawRange.start + drawRange.count);
        for (let i = start, l = end - 1; i < l; i += step) {
          const a2 = index.getX(i);
          const b2 = index.getX(i + 1);
          vStart.fromBufferAttribute(positionAttribute, a2);
          vEnd.fromBufferAttribute(positionAttribute, b2);
          const distSq = _ray$1.distanceSqToSegment(vStart, vEnd, interRay, interSegment);
          if (distSq > localThresholdSq)
            continue;
          interRay.applyMatrix4(this.matrixWorld);
          const distance = raycaster.ray.origin.distanceTo(interRay);
          if (distance < raycaster.near || distance > raycaster.far)
            continue;
          intersects2.push({
            distance,
            point: interSegment.clone().applyMatrix4(this.matrixWorld),
            index: i,
            face: null,
            faceIndex: null,
            object: this
          });
        }
      } else {
        const start = Math.max(0, drawRange.start);
        const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count);
        for (let i = start, l = end - 1; i < l; i += step) {
          vStart.fromBufferAttribute(positionAttribute, i);
          vEnd.fromBufferAttribute(positionAttribute, i + 1);
          const distSq = _ray$1.distanceSqToSegment(vStart, vEnd, interRay, interSegment);
          if (distSq > localThresholdSq)
            continue;
          interRay.applyMatrix4(this.matrixWorld);
          const distance = raycaster.ray.origin.distanceTo(interRay);
          if (distance < raycaster.near || distance > raycaster.far)
            continue;
          intersects2.push({
            distance,
            point: interSegment.clone().applyMatrix4(this.matrixWorld),
            index: i,
            face: null,
            faceIndex: null,
            object: this
          });
        }
      }
    } else if (geometry.isGeometry) {
      console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
    }
  }
  updateMorphTargets() {
    const geometry = this.geometry;
    if (geometry.isBufferGeometry) {
      const morphAttributes = geometry.morphAttributes;
      const keys = Object.keys(morphAttributes);
      if (keys.length > 0) {
        const morphAttribute = morphAttributes[keys[0]];
        if (morphAttribute !== void 0) {
          this.morphTargetInfluences = [];
          this.morphTargetDictionary = {};
          for (let m = 0, ml = morphAttribute.length; m < ml; m++) {
            const name = morphAttribute[m].name || String(m);
            this.morphTargetInfluences.push(0);
            this.morphTargetDictionary[name] = m;
          }
        }
      }
    } else {
      const morphTargets = geometry.morphTargets;
      if (morphTargets !== void 0 && morphTargets.length > 0) {
        console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.");
      }
    }
  }
};
Line.prototype.isLine = true;
var _start = /* @__PURE__ */ new Vector3();
var _end = /* @__PURE__ */ new Vector3();
var LineSegments = class extends Line {
  constructor(geometry, material) {
    super(geometry, material);
    this.type = "LineSegments";
  }
  computeLineDistances() {
    const geometry = this.geometry;
    if (geometry.isBufferGeometry) {
      if (geometry.index === null) {
        const positionAttribute = geometry.attributes.position;
        const lineDistances = [];
        for (let i = 0, l = positionAttribute.count; i < l; i += 2) {
          _start.fromBufferAttribute(positionAttribute, i);
          _end.fromBufferAttribute(positionAttribute, i + 1);
          lineDistances[i] = i === 0 ? 0 : lineDistances[i - 1];
          lineDistances[i + 1] = lineDistances[i] + _start.distanceTo(_end);
        }
        geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1));
      } else {
        console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");
      }
    } else if (geometry.isGeometry) {
      console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
    }
    return this;
  }
};
LineSegments.prototype.isLineSegments = true;
var LineLoop = class extends Line {
  constructor(geometry, material) {
    super(geometry, material);
    this.type = "LineLoop";
  }
};
LineLoop.prototype.isLineLoop = true;
var PointsMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "PointsMaterial";
    this.color = new Color(16777215);
    this.map = null;
    this.alphaMap = null;
    this.size = 1;
    this.sizeAttenuation = true;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.map = source.map;
    this.alphaMap = source.alphaMap;
    this.size = source.size;
    this.sizeAttenuation = source.sizeAttenuation;
    return this;
  }
};
PointsMaterial.prototype.isPointsMaterial = true;
var _inverseMatrix = /* @__PURE__ */ new Matrix4();
var _ray = /* @__PURE__ */ new Ray();
var _sphere = /* @__PURE__ */ new Sphere();
var _position$2 = /* @__PURE__ */ new Vector3();
var Points = class extends Object3D {
  constructor(geometry = new BufferGeometry(), material = new PointsMaterial()) {
    super();
    this.type = "Points";
    this.geometry = geometry;
    this.material = material;
    this.updateMorphTargets();
  }
  copy(source) {
    super.copy(source);
    this.material = source.material;
    this.geometry = source.geometry;
    return this;
  }
  raycast(raycaster, intersects2) {
    const geometry = this.geometry;
    const matrixWorld = this.matrixWorld;
    const threshold = raycaster.params.Points.threshold;
    const drawRange = geometry.drawRange;
    if (geometry.boundingSphere === null)
      geometry.computeBoundingSphere();
    _sphere.copy(geometry.boundingSphere);
    _sphere.applyMatrix4(matrixWorld);
    _sphere.radius += threshold;
    if (raycaster.ray.intersectsSphere(_sphere) === false)
      return;
    _inverseMatrix.copy(matrixWorld).invert();
    _ray.copy(raycaster.ray).applyMatrix4(_inverseMatrix);
    const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3);
    const localThresholdSq = localThreshold * localThreshold;
    if (geometry.isBufferGeometry) {
      const index = geometry.index;
      const attributes = geometry.attributes;
      const positionAttribute = attributes.position;
      if (index !== null) {
        const start = Math.max(0, drawRange.start);
        const end = Math.min(index.count, drawRange.start + drawRange.count);
        for (let i = start, il = end; i < il; i++) {
          const a2 = index.getX(i);
          _position$2.fromBufferAttribute(positionAttribute, a2);
          testPoint(_position$2, a2, localThresholdSq, matrixWorld, raycaster, intersects2, this);
        }
      } else {
        const start = Math.max(0, drawRange.start);
        const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count);
        for (let i = start, l = end; i < l; i++) {
          _position$2.fromBufferAttribute(positionAttribute, i);
          testPoint(_position$2, i, localThresholdSq, matrixWorld, raycaster, intersects2, this);
        }
      }
    } else {
      console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");
    }
  }
  updateMorphTargets() {
    const geometry = this.geometry;
    if (geometry.isBufferGeometry) {
      const morphAttributes = geometry.morphAttributes;
      const keys = Object.keys(morphAttributes);
      if (keys.length > 0) {
        const morphAttribute = morphAttributes[keys[0]];
        if (morphAttribute !== void 0) {
          this.morphTargetInfluences = [];
          this.morphTargetDictionary = {};
          for (let m = 0, ml = morphAttribute.length; m < ml; m++) {
            const name = morphAttribute[m].name || String(m);
            this.morphTargetInfluences.push(0);
            this.morphTargetDictionary[name] = m;
          }
        }
      }
    } else {
      const morphTargets = geometry.morphTargets;
      if (morphTargets !== void 0 && morphTargets.length > 0) {
        console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.");
      }
    }
  }
};
Points.prototype.isPoints = true;
function testPoint(point, index, localThresholdSq, matrixWorld, raycaster, intersects2, object) {
  const rayPointDistanceSq = _ray.distanceSqToPoint(point);
  if (rayPointDistanceSq < localThresholdSq) {
    const intersectPoint2 = new Vector3();
    _ray.closestPointToPoint(point, intersectPoint2);
    intersectPoint2.applyMatrix4(matrixWorld);
    const distance = raycaster.ray.origin.distanceTo(intersectPoint2);
    if (distance < raycaster.near || distance > raycaster.far)
      return;
    intersects2.push({
      distance,
      distanceToRay: Math.sqrt(rayPointDistanceSq),
      point: intersectPoint2,
      index,
      face: null,
      object
    });
  }
}
var VideoTexture = class extends Texture {
  constructor(video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) {
    super(video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy);
    this.format = format !== void 0 ? format : RGBFormat;
    this.minFilter = minFilter !== void 0 ? minFilter : LinearFilter;
    this.magFilter = magFilter !== void 0 ? magFilter : LinearFilter;
    this.generateMipmaps = false;
    const scope = this;
    function updateVideo() {
      scope.needsUpdate = true;
      video.requestVideoFrameCallback(updateVideo);
    }
    if ("requestVideoFrameCallback" in video) {
      video.requestVideoFrameCallback(updateVideo);
    }
  }
  clone() {
    return new this.constructor(this.image).copy(this);
  }
  update() {
    const video = this.image;
    const hasVideoFrameCallback = "requestVideoFrameCallback" in video;
    if (hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA) {
      this.needsUpdate = true;
    }
  }
};
VideoTexture.prototype.isVideoTexture = true;
var CompressedTexture = class extends Texture {
  constructor(mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding) {
    super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding);
    this.image = { width, height };
    this.mipmaps = mipmaps;
    this.flipY = false;
    this.generateMipmaps = false;
  }
};
CompressedTexture.prototype.isCompressedTexture = true;
var CanvasTexture = class extends Texture {
  constructor(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) {
    super(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy);
    this.needsUpdate = true;
  }
};
CanvasTexture.prototype.isCanvasTexture = true;
var DepthTexture = class extends Texture {
  constructor(width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format) {
    format = format !== void 0 ? format : DepthFormat;
    if (format !== DepthFormat && format !== DepthStencilFormat) {
      throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");
    }
    if (type === void 0 && format === DepthFormat)
      type = UnsignedShortType;
    if (type === void 0 && format === DepthStencilFormat)
      type = UnsignedInt248Type;
    super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy);
    this.image = { width, height };
    this.magFilter = magFilter !== void 0 ? magFilter : NearestFilter;
    this.minFilter = minFilter !== void 0 ? minFilter : NearestFilter;
    this.flipY = false;
    this.generateMipmaps = false;
  }
};
DepthTexture.prototype.isDepthTexture = true;
var _v0 = new Vector3();
var _v1$1 = new Vector3();
var _normal = new Vector3();
var _triangle = new Triangle();
var Curve = class {
  constructor() {
    this.type = "Curve";
    this.arcLengthDivisions = 200;
  }
  getPoint() {
    console.warn("THREE.Curve: .getPoint() not implemented.");
    return null;
  }
  getPointAt(u, optionalTarget) {
    const t = this.getUtoTmapping(u);
    return this.getPoint(t, optionalTarget);
  }
  getPoints(divisions = 5) {
    const points = [];
    for (let d = 0; d <= divisions; d++) {
      points.push(this.getPoint(d / divisions));
    }
    return points;
  }
  getSpacedPoints(divisions = 5) {
    const points = [];
    for (let d = 0; d <= divisions; d++) {
      points.push(this.getPointAt(d / divisions));
    }
    return points;
  }
  getLength() {
    const lengths = this.getLengths();
    return lengths[lengths.length - 1];
  }
  getLengths(divisions = this.arcLengthDivisions) {
    if (this.cacheArcLengths && this.cacheArcLengths.length === divisions + 1 && !this.needsUpdate) {
      return this.cacheArcLengths;
    }
    this.needsUpdate = false;
    const cache = [];
    let current, last = this.getPoint(0);
    let sum = 0;
    cache.push(0);
    for (let p2 = 1; p2 <= divisions; p2++) {
      current = this.getPoint(p2 / divisions);
      sum += current.distanceTo(last);
      cache.push(sum);
      last = current;
    }
    this.cacheArcLengths = cache;
    return cache;
  }
  updateArcLengths() {
    this.needsUpdate = true;
    this.getLengths();
  }
  getUtoTmapping(u, distance) {
    const arcLengths = this.getLengths();
    let i = 0;
    const il = arcLengths.length;
    let targetArcLength;
    if (distance) {
      targetArcLength = distance;
    } else {
      targetArcLength = u * arcLengths[il - 1];
    }
    let low = 0, high = il - 1, comparison;
    while (low <= high) {
      i = Math.floor(low + (high - low) / 2);
      comparison = arcLengths[i] - targetArcLength;
      if (comparison < 0) {
        low = i + 1;
      } else if (comparison > 0) {
        high = i - 1;
      } else {
        high = i;
        break;
      }
    }
    i = high;
    if (arcLengths[i] === targetArcLength) {
      return i / (il - 1);
    }
    const lengthBefore = arcLengths[i];
    const lengthAfter = arcLengths[i + 1];
    const segmentLength = lengthAfter - lengthBefore;
    const segmentFraction = (targetArcLength - lengthBefore) / segmentLength;
    const t = (i + segmentFraction) / (il - 1);
    return t;
  }
  getTangent(t, optionalTarget) {
    const delta = 1e-4;
    let t1 = t - delta;
    let t2 = t + delta;
    if (t1 < 0)
      t1 = 0;
    if (t2 > 1)
      t2 = 1;
    const pt1 = this.getPoint(t1);
    const pt2 = this.getPoint(t2);
    const tangent = optionalTarget || (pt1.isVector2 ? new Vector2() : new Vector3());
    tangent.copy(pt2).sub(pt1).normalize();
    return tangent;
  }
  getTangentAt(u, optionalTarget) {
    const t = this.getUtoTmapping(u);
    return this.getTangent(t, optionalTarget);
  }
  computeFrenetFrames(segments, closed) {
    const normal = new Vector3();
    const tangents = [];
    const normals = [];
    const binormals = [];
    const vec = new Vector3();
    const mat = new Matrix4();
    for (let i = 0; i <= segments; i++) {
      const u = i / segments;
      tangents[i] = this.getTangentAt(u, new Vector3());
      tangents[i].normalize();
    }
    normals[0] = new Vector3();
    binormals[0] = new Vector3();
    let min = Number.MAX_VALUE;
    const tx = Math.abs(tangents[0].x);
    const ty = Math.abs(tangents[0].y);
    const tz = Math.abs(tangents[0].z);
    if (tx <= min) {
      min = tx;
      normal.set(1, 0, 0);
    }
    if (ty <= min) {
      min = ty;
      normal.set(0, 1, 0);
    }
    if (tz <= min) {
      normal.set(0, 0, 1);
    }
    vec.crossVectors(tangents[0], normal).normalize();
    normals[0].crossVectors(tangents[0], vec);
    binormals[0].crossVectors(tangents[0], normals[0]);
    for (let i = 1; i <= segments; i++) {
      normals[i] = normals[i - 1].clone();
      binormals[i] = binormals[i - 1].clone();
      vec.crossVectors(tangents[i - 1], tangents[i]);
      if (vec.length() > Number.EPSILON) {
        vec.normalize();
        const theta = Math.acos(clamp(tangents[i - 1].dot(tangents[i]), -1, 1));
        normals[i].applyMatrix4(mat.makeRotationAxis(vec, theta));
      }
      binormals[i].crossVectors(tangents[i], normals[i]);
    }
    if (closed === true) {
      let theta = Math.acos(clamp(normals[0].dot(normals[segments]), -1, 1));
      theta /= segments;
      if (tangents[0].dot(vec.crossVectors(normals[0], normals[segments])) > 0) {
        theta = -theta;
      }
      for (let i = 1; i <= segments; i++) {
        normals[i].applyMatrix4(mat.makeRotationAxis(tangents[i], theta * i));
        binormals[i].crossVectors(tangents[i], normals[i]);
      }
    }
    return {
      tangents,
      normals,
      binormals
    };
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(source) {
    this.arcLengthDivisions = source.arcLengthDivisions;
    return this;
  }
  toJSON() {
    const data = {
      metadata: {
        version: 4.5,
        type: "Curve",
        generator: "Curve.toJSON"
      }
    };
    data.arcLengthDivisions = this.arcLengthDivisions;
    data.type = this.type;
    return data;
  }
  fromJSON(json) {
    this.arcLengthDivisions = json.arcLengthDivisions;
    return this;
  }
};
var EllipseCurve = class extends Curve {
  constructor(aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0) {
    super();
    this.type = "EllipseCurve";
    this.aX = aX;
    this.aY = aY;
    this.xRadius = xRadius;
    this.yRadius = yRadius;
    this.aStartAngle = aStartAngle;
    this.aEndAngle = aEndAngle;
    this.aClockwise = aClockwise;
    this.aRotation = aRotation;
  }
  getPoint(t, optionalTarget) {
    const point = optionalTarget || new Vector2();
    const twoPi = Math.PI * 2;
    let deltaAngle = this.aEndAngle - this.aStartAngle;
    const samePoints = Math.abs(deltaAngle) < Number.EPSILON;
    while (deltaAngle < 0)
      deltaAngle += twoPi;
    while (deltaAngle > twoPi)
      deltaAngle -= twoPi;
    if (deltaAngle < Number.EPSILON) {
      if (samePoints) {
        deltaAngle = 0;
      } else {
        deltaAngle = twoPi;
      }
    }
    if (this.aClockwise === true && !samePoints) {
      if (deltaAngle === twoPi) {
        deltaAngle = -twoPi;
      } else {
        deltaAngle = deltaAngle - twoPi;
      }
    }
    const angle = this.aStartAngle + t * deltaAngle;
    let x = this.aX + this.xRadius * Math.cos(angle);
    let y = this.aY + this.yRadius * Math.sin(angle);
    if (this.aRotation !== 0) {
      const cos = Math.cos(this.aRotation);
      const sin = Math.sin(this.aRotation);
      const tx = x - this.aX;
      const ty = y - this.aY;
      x = tx * cos - ty * sin + this.aX;
      y = tx * sin + ty * cos + this.aY;
    }
    return point.set(x, y);
  }
  copy(source) {
    super.copy(source);
    this.aX = source.aX;
    this.aY = source.aY;
    this.xRadius = source.xRadius;
    this.yRadius = source.yRadius;
    this.aStartAngle = source.aStartAngle;
    this.aEndAngle = source.aEndAngle;
    this.aClockwise = source.aClockwise;
    this.aRotation = source.aRotation;
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.aX = this.aX;
    data.aY = this.aY;
    data.xRadius = this.xRadius;
    data.yRadius = this.yRadius;
    data.aStartAngle = this.aStartAngle;
    data.aEndAngle = this.aEndAngle;
    data.aClockwise = this.aClockwise;
    data.aRotation = this.aRotation;
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.aX = json.aX;
    this.aY = json.aY;
    this.xRadius = json.xRadius;
    this.yRadius = json.yRadius;
    this.aStartAngle = json.aStartAngle;
    this.aEndAngle = json.aEndAngle;
    this.aClockwise = json.aClockwise;
    this.aRotation = json.aRotation;
    return this;
  }
};
EllipseCurve.prototype.isEllipseCurve = true;
var ArcCurve = class extends EllipseCurve {
  constructor(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) {
    super(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise);
    this.type = "ArcCurve";
  }
};
ArcCurve.prototype.isArcCurve = true;
function CubicPoly() {
  let c0 = 0, c1 = 0, c2 = 0, c3 = 0;
  function init(x0, x1, t0, t1) {
    c0 = x0;
    c1 = t0;
    c2 = -3 * x0 + 3 * x1 - 2 * t0 - t1;
    c3 = 2 * x0 - 2 * x1 + t0 + t1;
  }
  return {
    initCatmullRom: function(x0, x1, x2, x3, tension) {
      init(x1, x2, tension * (x2 - x0), tension * (x3 - x1));
    },
    initNonuniformCatmullRom: function(x0, x1, x2, x3, dt0, dt1, dt2) {
      let t1 = (x1 - x0) / dt0 - (x2 - x0) / (dt0 + dt1) + (x2 - x1) / dt1;
      let t2 = (x2 - x1) / dt1 - (x3 - x1) / (dt1 + dt2) + (x3 - x2) / dt2;
      t1 *= dt1;
      t2 *= dt1;
      init(x1, x2, t1, t2);
    },
    calc: function(t) {
      const t2 = t * t;
      const t3 = t2 * t;
      return c0 + c1 * t + c2 * t2 + c3 * t3;
    }
  };
}
var tmp = new Vector3();
var px = new CubicPoly();
var py = new CubicPoly();
var pz = new CubicPoly();
var CatmullRomCurve3 = class extends Curve {
  constructor(points = [], closed = false, curveType = "centripetal", tension = 0.5) {
    super();
    this.type = "CatmullRomCurve3";
    this.points = points;
    this.closed = closed;
    this.curveType = curveType;
    this.tension = tension;
  }
  getPoint(t, optionalTarget = new Vector3()) {
    const point = optionalTarget;
    const points = this.points;
    const l = points.length;
    const p2 = (l - (this.closed ? 0 : 1)) * t;
    let intPoint = Math.floor(p2);
    let weight = p2 - intPoint;
    if (this.closed) {
      intPoint += intPoint > 0 ? 0 : (Math.floor(Math.abs(intPoint) / l) + 1) * l;
    } else if (weight === 0 && intPoint === l - 1) {
      intPoint = l - 2;
      weight = 1;
    }
    let p0, p3;
    if (this.closed || intPoint > 0) {
      p0 = points[(intPoint - 1) % l];
    } else {
      tmp.subVectors(points[0], points[1]).add(points[0]);
      p0 = tmp;
    }
    const p1 = points[intPoint % l];
    const p22 = points[(intPoint + 1) % l];
    if (this.closed || intPoint + 2 < l) {
      p3 = points[(intPoint + 2) % l];
    } else {
      tmp.subVectors(points[l - 1], points[l - 2]).add(points[l - 1]);
      p3 = tmp;
    }
    if (this.curveType === "centripetal" || this.curveType === "chordal") {
      const pow = this.curveType === "chordal" ? 0.5 : 0.25;
      let dt0 = Math.pow(p0.distanceToSquared(p1), pow);
      let dt1 = Math.pow(p1.distanceToSquared(p22), pow);
      let dt2 = Math.pow(p22.distanceToSquared(p3), pow);
      if (dt1 < 1e-4)
        dt1 = 1;
      if (dt0 < 1e-4)
        dt0 = dt1;
      if (dt2 < 1e-4)
        dt2 = dt1;
      px.initNonuniformCatmullRom(p0.x, p1.x, p22.x, p3.x, dt0, dt1, dt2);
      py.initNonuniformCatmullRom(p0.y, p1.y, p22.y, p3.y, dt0, dt1, dt2);
      pz.initNonuniformCatmullRom(p0.z, p1.z, p22.z, p3.z, dt0, dt1, dt2);
    } else if (this.curveType === "catmullrom") {
      px.initCatmullRom(p0.x, p1.x, p22.x, p3.x, this.tension);
      py.initCatmullRom(p0.y, p1.y, p22.y, p3.y, this.tension);
      pz.initCatmullRom(p0.z, p1.z, p22.z, p3.z, this.tension);
    }
    point.set(px.calc(weight), py.calc(weight), pz.calc(weight));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.points = [];
    for (let i = 0, l = source.points.length; i < l; i++) {
      const point = source.points[i];
      this.points.push(point.clone());
    }
    this.closed = source.closed;
    this.curveType = source.curveType;
    this.tension = source.tension;
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.points = [];
    for (let i = 0, l = this.points.length; i < l; i++) {
      const point = this.points[i];
      data.points.push(point.toArray());
    }
    data.closed = this.closed;
    data.curveType = this.curveType;
    data.tension = this.tension;
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.points = [];
    for (let i = 0, l = json.points.length; i < l; i++) {
      const point = json.points[i];
      this.points.push(new Vector3().fromArray(point));
    }
    this.closed = json.closed;
    this.curveType = json.curveType;
    this.tension = json.tension;
    return this;
  }
};
CatmullRomCurve3.prototype.isCatmullRomCurve3 = true;
function CatmullRom(t, p0, p1, p2, p3) {
  const v02 = (p2 - p0) * 0.5;
  const v12 = (p3 - p1) * 0.5;
  const t2 = t * t;
  const t3 = t * t2;
  return (2 * p1 - 2 * p2 + v02 + v12) * t3 + (-3 * p1 + 3 * p2 - 2 * v02 - v12) * t2 + v02 * t + p1;
}
function QuadraticBezierP0(t, p2) {
  const k = 1 - t;
  return k * k * p2;
}
function QuadraticBezierP1(t, p2) {
  return 2 * (1 - t) * t * p2;
}
function QuadraticBezierP2(t, p2) {
  return t * t * p2;
}
function QuadraticBezier(t, p0, p1, p2) {
  return QuadraticBezierP0(t, p0) + QuadraticBezierP1(t, p1) + QuadraticBezierP2(t, p2);
}
function CubicBezierP0(t, p2) {
  const k = 1 - t;
  return k * k * k * p2;
}
function CubicBezierP1(t, p2) {
  const k = 1 - t;
  return 3 * k * k * t * p2;
}
function CubicBezierP2(t, p2) {
  return 3 * (1 - t) * t * t * p2;
}
function CubicBezierP3(t, p2) {
  return t * t * t * p2;
}
function CubicBezier(t, p0, p1, p2, p3) {
  return CubicBezierP0(t, p0) + CubicBezierP1(t, p1) + CubicBezierP2(t, p2) + CubicBezierP3(t, p3);
}
var CubicBezierCurve = class extends Curve {
  constructor(v02 = new Vector2(), v12 = new Vector2(), v22 = new Vector2(), v3 = new Vector2()) {
    super();
    this.type = "CubicBezierCurve";
    this.v0 = v02;
    this.v1 = v12;
    this.v2 = v22;
    this.v3 = v3;
  }
  getPoint(t, optionalTarget = new Vector2()) {
    const point = optionalTarget;
    const v02 = this.v0, v12 = this.v1, v22 = this.v2, v3 = this.v3;
    point.set(CubicBezier(t, v02.x, v12.x, v22.x, v3.x), CubicBezier(t, v02.y, v12.y, v22.y, v3.y));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.v0.copy(source.v0);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    this.v3.copy(source.v3);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v0 = this.v0.toArray();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    data.v3 = this.v3.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v0.fromArray(json.v0);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    this.v3.fromArray(json.v3);
    return this;
  }
};
CubicBezierCurve.prototype.isCubicBezierCurve = true;
var CubicBezierCurve3 = class extends Curve {
  constructor(v02 = new Vector3(), v12 = new Vector3(), v22 = new Vector3(), v3 = new Vector3()) {
    super();
    this.type = "CubicBezierCurve3";
    this.v0 = v02;
    this.v1 = v12;
    this.v2 = v22;
    this.v3 = v3;
  }
  getPoint(t, optionalTarget = new Vector3()) {
    const point = optionalTarget;
    const v02 = this.v0, v12 = this.v1, v22 = this.v2, v3 = this.v3;
    point.set(CubicBezier(t, v02.x, v12.x, v22.x, v3.x), CubicBezier(t, v02.y, v12.y, v22.y, v3.y), CubicBezier(t, v02.z, v12.z, v22.z, v3.z));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.v0.copy(source.v0);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    this.v3.copy(source.v3);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v0 = this.v0.toArray();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    data.v3 = this.v3.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v0.fromArray(json.v0);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    this.v3.fromArray(json.v3);
    return this;
  }
};
CubicBezierCurve3.prototype.isCubicBezierCurve3 = true;
var LineCurve = class extends Curve {
  constructor(v12 = new Vector2(), v22 = new Vector2()) {
    super();
    this.type = "LineCurve";
    this.v1 = v12;
    this.v2 = v22;
  }
  getPoint(t, optionalTarget = new Vector2()) {
    const point = optionalTarget;
    if (t === 1) {
      point.copy(this.v2);
    } else {
      point.copy(this.v2).sub(this.v1);
      point.multiplyScalar(t).add(this.v1);
    }
    return point;
  }
  getPointAt(u, optionalTarget) {
    return this.getPoint(u, optionalTarget);
  }
  getTangent(t, optionalTarget) {
    const tangent = optionalTarget || new Vector2();
    tangent.copy(this.v2).sub(this.v1).normalize();
    return tangent;
  }
  copy(source) {
    super.copy(source);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    return this;
  }
};
LineCurve.prototype.isLineCurve = true;
var LineCurve3 = class extends Curve {
  constructor(v12 = new Vector3(), v22 = new Vector3()) {
    super();
    this.type = "LineCurve3";
    this.isLineCurve3 = true;
    this.v1 = v12;
    this.v2 = v22;
  }
  getPoint(t, optionalTarget = new Vector3()) {
    const point = optionalTarget;
    if (t === 1) {
      point.copy(this.v2);
    } else {
      point.copy(this.v2).sub(this.v1);
      point.multiplyScalar(t).add(this.v1);
    }
    return point;
  }
  getPointAt(u, optionalTarget) {
    return this.getPoint(u, optionalTarget);
  }
  copy(source) {
    super.copy(source);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    return this;
  }
};
var QuadraticBezierCurve = class extends Curve {
  constructor(v02 = new Vector2(), v12 = new Vector2(), v22 = new Vector2()) {
    super();
    this.type = "QuadraticBezierCurve";
    this.v0 = v02;
    this.v1 = v12;
    this.v2 = v22;
  }
  getPoint(t, optionalTarget = new Vector2()) {
    const point = optionalTarget;
    const v02 = this.v0, v12 = this.v1, v22 = this.v2;
    point.set(QuadraticBezier(t, v02.x, v12.x, v22.x), QuadraticBezier(t, v02.y, v12.y, v22.y));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.v0.copy(source.v0);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v0 = this.v0.toArray();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v0.fromArray(json.v0);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    return this;
  }
};
QuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;
var QuadraticBezierCurve3 = class extends Curve {
  constructor(v02 = new Vector3(), v12 = new Vector3(), v22 = new Vector3()) {
    super();
    this.type = "QuadraticBezierCurve3";
    this.v0 = v02;
    this.v1 = v12;
    this.v2 = v22;
  }
  getPoint(t, optionalTarget = new Vector3()) {
    const point = optionalTarget;
    const v02 = this.v0, v12 = this.v1, v22 = this.v2;
    point.set(QuadraticBezier(t, v02.x, v12.x, v22.x), QuadraticBezier(t, v02.y, v12.y, v22.y), QuadraticBezier(t, v02.z, v12.z, v22.z));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.v0.copy(source.v0);
    this.v1.copy(source.v1);
    this.v2.copy(source.v2);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.v0 = this.v0.toArray();
    data.v1 = this.v1.toArray();
    data.v2 = this.v2.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.v0.fromArray(json.v0);
    this.v1.fromArray(json.v1);
    this.v2.fromArray(json.v2);
    return this;
  }
};
QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;
var SplineCurve = class extends Curve {
  constructor(points = []) {
    super();
    this.type = "SplineCurve";
    this.points = points;
  }
  getPoint(t, optionalTarget = new Vector2()) {
    const point = optionalTarget;
    const points = this.points;
    const p2 = (points.length - 1) * t;
    const intPoint = Math.floor(p2);
    const weight = p2 - intPoint;
    const p0 = points[intPoint === 0 ? intPoint : intPoint - 1];
    const p1 = points[intPoint];
    const p22 = points[intPoint > points.length - 2 ? points.length - 1 : intPoint + 1];
    const p3 = points[intPoint > points.length - 3 ? points.length - 1 : intPoint + 2];
    point.set(CatmullRom(weight, p0.x, p1.x, p22.x, p3.x), CatmullRom(weight, p0.y, p1.y, p22.y, p3.y));
    return point;
  }
  copy(source) {
    super.copy(source);
    this.points = [];
    for (let i = 0, l = source.points.length; i < l; i++) {
      const point = source.points[i];
      this.points.push(point.clone());
    }
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.points = [];
    for (let i = 0, l = this.points.length; i < l; i++) {
      const point = this.points[i];
      data.points.push(point.toArray());
    }
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.points = [];
    for (let i = 0, l = json.points.length; i < l; i++) {
      const point = json.points[i];
      this.points.push(new Vector2().fromArray(point));
    }
    return this;
  }
};
SplineCurve.prototype.isSplineCurve = true;
var Curves = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  ArcCurve,
  CatmullRomCurve3,
  CubicBezierCurve,
  CubicBezierCurve3,
  EllipseCurve,
  LineCurve,
  LineCurve3,
  QuadraticBezierCurve,
  QuadraticBezierCurve3,
  SplineCurve
});
var Earcut = {
  triangulate: function(data, holeIndices, dim = 2) {
    const hasHoles = holeIndices && holeIndices.length;
    const outerLen = hasHoles ? holeIndices[0] * dim : data.length;
    let outerNode = linkedList(data, 0, outerLen, dim, true);
    const triangles = [];
    if (!outerNode || outerNode.next === outerNode.prev)
      return triangles;
    let minX, minY, maxX, maxY, x, y, invSize;
    if (hasHoles)
      outerNode = eliminateHoles(data, holeIndices, outerNode, dim);
    if (data.length > 80 * dim) {
      minX = maxX = data[0];
      minY = maxY = data[1];
      for (let i = dim; i < outerLen; i += dim) {
        x = data[i];
        y = data[i + 1];
        if (x < minX)
          minX = x;
        if (y < minY)
          minY = y;
        if (x > maxX)
          maxX = x;
        if (y > maxY)
          maxY = y;
      }
      invSize = Math.max(maxX - minX, maxY - minY);
      invSize = invSize !== 0 ? 1 / invSize : 0;
    }
    earcutLinked(outerNode, triangles, dim, minX, minY, invSize);
    return triangles;
  }
};
function linkedList(data, start, end, dim, clockwise) {
  let i, last;
  if (clockwise === signedArea(data, start, end, dim) > 0) {
    for (i = start; i < end; i += dim)
      last = insertNode(i, data[i], data[i + 1], last);
  } else {
    for (i = end - dim; i >= start; i -= dim)
      last = insertNode(i, data[i], data[i + 1], last);
  }
  if (last && equals(last, last.next)) {
    removeNode(last);
    last = last.next;
  }
  return last;
}
function filterPoints(start, end) {
  if (!start)
    return start;
  if (!end)
    end = start;
  let p2 = start, again;
  do {
    again = false;
    if (!p2.steiner && (equals(p2, p2.next) || area(p2.prev, p2, p2.next) === 0)) {
      removeNode(p2);
      p2 = end = p2.prev;
      if (p2 === p2.next)
        break;
      again = true;
    } else {
      p2 = p2.next;
    }
  } while (again || p2 !== end);
  return end;
}
function earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) {
  if (!ear)
    return;
  if (!pass && invSize)
    indexCurve(ear, minX, minY, invSize);
  let stop = ear, prev, next;
  while (ear.prev !== ear.next) {
    prev = ear.prev;
    next = ear.next;
    if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) {
      triangles.push(prev.i / dim);
      triangles.push(ear.i / dim);
      triangles.push(next.i / dim);
      removeNode(ear);
      ear = next.next;
      stop = next.next;
      continue;
    }
    ear = next;
    if (ear === stop) {
      if (!pass) {
        earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1);
      } else if (pass === 1) {
        ear = cureLocalIntersections(filterPoints(ear), triangles, dim);
        earcutLinked(ear, triangles, dim, minX, minY, invSize, 2);
      } else if (pass === 2) {
        splitEarcut(ear, triangles, dim, minX, minY, invSize);
      }
      break;
    }
  }
}
function isEar(ear) {
  const a2 = ear.prev, b2 = ear, c2 = ear.next;
  if (area(a2, b2, c2) >= 0)
    return false;
  let p2 = ear.next.next;
  while (p2 !== ear.prev) {
    if (pointInTriangle(a2.x, a2.y, b2.x, b2.y, c2.x, c2.y, p2.x, p2.y) && area(p2.prev, p2, p2.next) >= 0)
      return false;
    p2 = p2.next;
  }
  return true;
}
function isEarHashed(ear, minX, minY, invSize) {
  const a2 = ear.prev, b2 = ear, c2 = ear.next;
  if (area(a2, b2, c2) >= 0)
    return false;
  const minTX = a2.x < b2.x ? a2.x < c2.x ? a2.x : c2.x : b2.x < c2.x ? b2.x : c2.x, minTY = a2.y < b2.y ? a2.y < c2.y ? a2.y : c2.y : b2.y < c2.y ? b2.y : c2.y, maxTX = a2.x > b2.x ? a2.x > c2.x ? a2.x : c2.x : b2.x > c2.x ? b2.x : c2.x, maxTY = a2.y > b2.y ? a2.y > c2.y ? a2.y : c2.y : b2.y > c2.y ? b2.y : c2.y;
  const minZ = zOrder(minTX, minTY, minX, minY, invSize), maxZ = zOrder(maxTX, maxTY, minX, minY, invSize);
  let p2 = ear.prevZ, n = ear.nextZ;
  while (p2 && p2.z >= minZ && n && n.z <= maxZ) {
    if (p2 !== ear.prev && p2 !== ear.next && pointInTriangle(a2.x, a2.y, b2.x, b2.y, c2.x, c2.y, p2.x, p2.y) && area(p2.prev, p2, p2.next) >= 0)
      return false;
    p2 = p2.prevZ;
    if (n !== ear.prev && n !== ear.next && pointInTriangle(a2.x, a2.y, b2.x, b2.y, c2.x, c2.y, n.x, n.y) && area(n.prev, n, n.next) >= 0)
      return false;
    n = n.nextZ;
  }
  while (p2 && p2.z >= minZ) {
    if (p2 !== ear.prev && p2 !== ear.next && pointInTriangle(a2.x, a2.y, b2.x, b2.y, c2.x, c2.y, p2.x, p2.y) && area(p2.prev, p2, p2.next) >= 0)
      return false;
    p2 = p2.prevZ;
  }
  while (n && n.z <= maxZ) {
    if (n !== ear.prev && n !== ear.next && pointInTriangle(a2.x, a2.y, b2.x, b2.y, c2.x, c2.y, n.x, n.y) && area(n.prev, n, n.next) >= 0)
      return false;
    n = n.nextZ;
  }
  return true;
}
function cureLocalIntersections(start, triangles, dim) {
  let p2 = start;
  do {
    const a2 = p2.prev, b2 = p2.next.next;
    if (!equals(a2, b2) && intersects(a2, p2, p2.next, b2) && locallyInside(a2, b2) && locallyInside(b2, a2)) {
      triangles.push(a2.i / dim);
      triangles.push(p2.i / dim);
      triangles.push(b2.i / dim);
      removeNode(p2);
      removeNode(p2.next);
      p2 = start = b2;
    }
    p2 = p2.next;
  } while (p2 !== start);
  return filterPoints(p2);
}
function splitEarcut(start, triangles, dim, minX, minY, invSize) {
  let a2 = start;
  do {
    let b2 = a2.next.next;
    while (b2 !== a2.prev) {
      if (a2.i !== b2.i && isValidDiagonal(a2, b2)) {
        let c2 = splitPolygon(a2, b2);
        a2 = filterPoints(a2, a2.next);
        c2 = filterPoints(c2, c2.next);
        earcutLinked(a2, triangles, dim, minX, minY, invSize);
        earcutLinked(c2, triangles, dim, minX, minY, invSize);
        return;
      }
      b2 = b2.next;
    }
    a2 = a2.next;
  } while (a2 !== start);
}
function eliminateHoles(data, holeIndices, outerNode, dim) {
  const queue = [];
  let i, len, start, end, list;
  for (i = 0, len = holeIndices.length; i < len; i++) {
    start = holeIndices[i] * dim;
    end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;
    list = linkedList(data, start, end, dim, false);
    if (list === list.next)
      list.steiner = true;
    queue.push(getLeftmost(list));
  }
  queue.sort(compareX);
  for (i = 0; i < queue.length; i++) {
    eliminateHole(queue[i], outerNode);
    outerNode = filterPoints(outerNode, outerNode.next);
  }
  return outerNode;
}
function compareX(a2, b2) {
  return a2.x - b2.x;
}
function eliminateHole(hole, outerNode) {
  outerNode = findHoleBridge(hole, outerNode);
  if (outerNode) {
    const b2 = splitPolygon(outerNode, hole);
    filterPoints(outerNode, outerNode.next);
    filterPoints(b2, b2.next);
  }
}
function findHoleBridge(hole, outerNode) {
  let p2 = outerNode;
  const hx = hole.x;
  const hy = hole.y;
  let qx = -Infinity, m;
  do {
    if (hy <= p2.y && hy >= p2.next.y && p2.next.y !== p2.y) {
      const x = p2.x + (hy - p2.y) * (p2.next.x - p2.x) / (p2.next.y - p2.y);
      if (x <= hx && x > qx) {
        qx = x;
        if (x === hx) {
          if (hy === p2.y)
            return p2;
          if (hy === p2.next.y)
            return p2.next;
        }
        m = p2.x < p2.next.x ? p2 : p2.next;
      }
    }
    p2 = p2.next;
  } while (p2 !== outerNode);
  if (!m)
    return null;
  if (hx === qx)
    return m;
  const stop = m, mx = m.x, my = m.y;
  let tanMin = Infinity, tan;
  p2 = m;
  do {
    if (hx >= p2.x && p2.x >= mx && hx !== p2.x && pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p2.x, p2.y)) {
      tan = Math.abs(hy - p2.y) / (hx - p2.x);
      if (locallyInside(p2, hole) && (tan < tanMin || tan === tanMin && (p2.x > m.x || p2.x === m.x && sectorContainsSector(m, p2)))) {
        m = p2;
        tanMin = tan;
      }
    }
    p2 = p2.next;
  } while (p2 !== stop);
  return m;
}
function sectorContainsSector(m, p2) {
  return area(m.prev, m, p2.prev) < 0 && area(p2.next, m, m.next) < 0;
}
function indexCurve(start, minX, minY, invSize) {
  let p2 = start;
  do {
    if (p2.z === null)
      p2.z = zOrder(p2.x, p2.y, minX, minY, invSize);
    p2.prevZ = p2.prev;
    p2.nextZ = p2.next;
    p2 = p2.next;
  } while (p2 !== start);
  p2.prevZ.nextZ = null;
  p2.prevZ = null;
  sortLinked(p2);
}
function sortLinked(list) {
  let i, p2, q, e, tail, numMerges, pSize, qSize, inSize = 1;
  do {
    p2 = list;
    list = null;
    tail = null;
    numMerges = 0;
    while (p2) {
      numMerges++;
      q = p2;
      pSize = 0;
      for (i = 0; i < inSize; i++) {
        pSize++;
        q = q.nextZ;
        if (!q)
          break;
      }
      qSize = inSize;
      while (pSize > 0 || qSize > 0 && q) {
        if (pSize !== 0 && (qSize === 0 || !q || p2.z <= q.z)) {
          e = p2;
          p2 = p2.nextZ;
          pSize--;
        } else {
          e = q;
          q = q.nextZ;
          qSize--;
        }
        if (tail)
          tail.nextZ = e;
        else
          list = e;
        e.prevZ = tail;
        tail = e;
      }
      p2 = q;
    }
    tail.nextZ = null;
    inSize *= 2;
  } while (numMerges > 1);
  return list;
}
function zOrder(x, y, minX, minY, invSize) {
  x = 32767 * (x - minX) * invSize;
  y = 32767 * (y - minY) * invSize;
  x = (x | x << 8) & 16711935;
  x = (x | x << 4) & 252645135;
  x = (x | x << 2) & 858993459;
  x = (x | x << 1) & 1431655765;
  y = (y | y << 8) & 16711935;
  y = (y | y << 4) & 252645135;
  y = (y | y << 2) & 858993459;
  y = (y | y << 1) & 1431655765;
  return x | y << 1;
}
function getLeftmost(start) {
  let p2 = start, leftmost = start;
  do {
    if (p2.x < leftmost.x || p2.x === leftmost.x && p2.y < leftmost.y)
      leftmost = p2;
    p2 = p2.next;
  } while (p2 !== start);
  return leftmost;
}
function pointInTriangle(ax, ay, bx, by, cx, cy, px2, py2) {
  return (cx - px2) * (ay - py2) - (ax - px2) * (cy - py2) >= 0 && (ax - px2) * (by - py2) - (bx - px2) * (ay - py2) >= 0 && (bx - px2) * (cy - py2) - (cx - px2) * (by - py2) >= 0;
}
function isValidDiagonal(a2, b2) {
  return a2.next.i !== b2.i && a2.prev.i !== b2.i && !intersectsPolygon(a2, b2) && (locallyInside(a2, b2) && locallyInside(b2, a2) && middleInside(a2, b2) && (area(a2.prev, a2, b2.prev) || area(a2, b2.prev, b2)) || equals(a2, b2) && area(a2.prev, a2, a2.next) > 0 && area(b2.prev, b2, b2.next) > 0);
}
function area(p2, q, r) {
  return (q.y - p2.y) * (r.x - q.x) - (q.x - p2.x) * (r.y - q.y);
}
function equals(p1, p2) {
  return p1.x === p2.x && p1.y === p2.y;
}
function intersects(p1, q1, p2, q2) {
  const o1 = sign(area(p1, q1, p2));
  const o2 = sign(area(p1, q1, q2));
  const o3 = sign(area(p2, q2, p1));
  const o4 = sign(area(p2, q2, q1));
  if (o1 !== o2 && o3 !== o4)
    return true;
  if (o1 === 0 && onSegment(p1, p2, q1))
    return true;
  if (o2 === 0 && onSegment(p1, q2, q1))
    return true;
  if (o3 === 0 && onSegment(p2, p1, q2))
    return true;
  if (o4 === 0 && onSegment(p2, q1, q2))
    return true;
  return false;
}
function onSegment(p2, q, r) {
  return q.x <= Math.max(p2.x, r.x) && q.x >= Math.min(p2.x, r.x) && q.y <= Math.max(p2.y, r.y) && q.y >= Math.min(p2.y, r.y);
}
function sign(num) {
  return num > 0 ? 1 : num < 0 ? -1 : 0;
}
function intersectsPolygon(a2, b2) {
  let p2 = a2;
  do {
    if (p2.i !== a2.i && p2.next.i !== a2.i && p2.i !== b2.i && p2.next.i !== b2.i && intersects(p2, p2.next, a2, b2))
      return true;
    p2 = p2.next;
  } while (p2 !== a2);
  return false;
}
function locallyInside(a2, b2) {
  return area(a2.prev, a2, a2.next) < 0 ? area(a2, b2, a2.next) >= 0 && area(a2, a2.prev, b2) >= 0 : area(a2, b2, a2.prev) < 0 || area(a2, a2.next, b2) < 0;
}
function middleInside(a2, b2) {
  let p2 = a2, inside = false;
  const px2 = (a2.x + b2.x) / 2, py2 = (a2.y + b2.y) / 2;
  do {
    if (p2.y > py2 !== p2.next.y > py2 && p2.next.y !== p2.y && px2 < (p2.next.x - p2.x) * (py2 - p2.y) / (p2.next.y - p2.y) + p2.x)
      inside = !inside;
    p2 = p2.next;
  } while (p2 !== a2);
  return inside;
}
function splitPolygon(a2, b2) {
  const a22 = new Node(a2.i, a2.x, a2.y), b22 = new Node(b2.i, b2.x, b2.y), an = a2.next, bp = b2.prev;
  a2.next = b2;
  b2.prev = a2;
  a22.next = an;
  an.prev = a22;
  b22.next = a22;
  a22.prev = b22;
  bp.next = b22;
  b22.prev = bp;
  return b22;
}
function insertNode(i, x, y, last) {
  const p2 = new Node(i, x, y);
  if (!last) {
    p2.prev = p2;
    p2.next = p2;
  } else {
    p2.next = last.next;
    p2.prev = last;
    last.next.prev = p2;
    last.next = p2;
  }
  return p2;
}
function removeNode(p2) {
  p2.next.prev = p2.prev;
  p2.prev.next = p2.next;
  if (p2.prevZ)
    p2.prevZ.nextZ = p2.nextZ;
  if (p2.nextZ)
    p2.nextZ.prevZ = p2.prevZ;
}
function Node(i, x, y) {
  this.i = i;
  this.x = x;
  this.y = y;
  this.prev = null;
  this.next = null;
  this.z = null;
  this.prevZ = null;
  this.nextZ = null;
  this.steiner = false;
}
function signedArea(data, start, end, dim) {
  let sum = 0;
  for (let i = start, j = end - dim; i < end; i += dim) {
    sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]);
    j = i;
  }
  return sum;
}
var ShapeUtils = class {
  static area(contour) {
    const n = contour.length;
    let a2 = 0;
    for (let p2 = n - 1, q = 0; q < n; p2 = q++) {
      a2 += contour[p2].x * contour[q].y - contour[q].x * contour[p2].y;
    }
    return a2 * 0.5;
  }
  static isClockWise(pts) {
    return ShapeUtils.area(pts) < 0;
  }
  static triangulateShape(contour, holes) {
    const vertices = [];
    const holeIndices = [];
    const faces = [];
    removeDupEndPts(contour);
    addContour(vertices, contour);
    let holeIndex = contour.length;
    holes.forEach(removeDupEndPts);
    for (let i = 0; i < holes.length; i++) {
      holeIndices.push(holeIndex);
      holeIndex += holes[i].length;
      addContour(vertices, holes[i]);
    }
    const triangles = Earcut.triangulate(vertices, holeIndices);
    for (let i = 0; i < triangles.length; i += 3) {
      faces.push(triangles.slice(i, i + 3));
    }
    return faces;
  }
};
function removeDupEndPts(points) {
  const l = points.length;
  if (l > 2 && points[l - 1].equals(points[0])) {
    points.pop();
  }
}
function addContour(vertices, contour) {
  for (let i = 0; i < contour.length; i++) {
    vertices.push(contour[i].x);
    vertices.push(contour[i].y);
  }
}
var ExtrudeGeometry = class extends BufferGeometry {
  constructor(shapes, options) {
    super();
    this.type = "ExtrudeGeometry";
    this.parameters = {
      shapes,
      options
    };
    shapes = Array.isArray(shapes) ? shapes : [shapes];
    const scope = this;
    const verticesArray = [];
    const uvArray = [];
    for (let i = 0, l = shapes.length; i < l; i++) {
      const shape = shapes[i];
      addShape(shape);
    }
    this.setAttribute("position", new Float32BufferAttribute(verticesArray, 3));
    this.setAttribute("uv", new Float32BufferAttribute(uvArray, 2));
    this.computeVertexNormals();
    function addShape(shape) {
      const placeholder = [];
      const curveSegments = options.curveSegments !== void 0 ? options.curveSegments : 12;
      const steps = options.steps !== void 0 ? options.steps : 1;
      let depth = options.depth !== void 0 ? options.depth : 100;
      let bevelEnabled = options.bevelEnabled !== void 0 ? options.bevelEnabled : true;
      let bevelThickness = options.bevelThickness !== void 0 ? options.bevelThickness : 6;
      let bevelSize = options.bevelSize !== void 0 ? options.bevelSize : bevelThickness - 2;
      let bevelOffset = options.bevelOffset !== void 0 ? options.bevelOffset : 0;
      let bevelSegments = options.bevelSegments !== void 0 ? options.bevelSegments : 3;
      const extrudePath = options.extrudePath;
      const uvgen = options.UVGenerator !== void 0 ? options.UVGenerator : WorldUVGenerator;
      if (options.amount !== void 0) {
        console.warn("THREE.ExtrudeBufferGeometry: amount has been renamed to depth.");
        depth = options.amount;
      }
      let extrudePts, extrudeByPath = false;
      let splineTube, binormal, normal, position2;
      if (extrudePath) {
        extrudePts = extrudePath.getSpacedPoints(steps);
        extrudeByPath = true;
        bevelEnabled = false;
        splineTube = extrudePath.computeFrenetFrames(steps, false);
        binormal = new Vector3();
        normal = new Vector3();
        position2 = new Vector3();
      }
      if (!bevelEnabled) {
        bevelSegments = 0;
        bevelThickness = 0;
        bevelSize = 0;
        bevelOffset = 0;
      }
      const shapePoints = shape.extractPoints(curveSegments);
      let vertices = shapePoints.shape;
      const holes = shapePoints.holes;
      const reverse = !ShapeUtils.isClockWise(vertices);
      if (reverse) {
        vertices = vertices.reverse();
        for (let h = 0, hl = holes.length; h < hl; h++) {
          const ahole = holes[h];
          if (ShapeUtils.isClockWise(ahole)) {
            holes[h] = ahole.reverse();
          }
        }
      }
      const faces = ShapeUtils.triangulateShape(vertices, holes);
      const contour = vertices;
      for (let h = 0, hl = holes.length; h < hl; h++) {
        const ahole = holes[h];
        vertices = vertices.concat(ahole);
      }
      function scalePt2(pt, vec, size) {
        if (!vec)
          console.error("THREE.ExtrudeGeometry: vec does not exist");
        return vec.clone().multiplyScalar(size).add(pt);
      }
      const vlen = vertices.length, flen = faces.length;
      function getBevelVec(inPt, inPrev, inNext) {
        let v_trans_x, v_trans_y, shrink_by;
        const v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y;
        const v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y;
        const v_prev_lensq = v_prev_x * v_prev_x + v_prev_y * v_prev_y;
        const collinear0 = v_prev_x * v_next_y - v_prev_y * v_next_x;
        if (Math.abs(collinear0) > Number.EPSILON) {
          const v_prev_len = Math.sqrt(v_prev_lensq);
          const v_next_len = Math.sqrt(v_next_x * v_next_x + v_next_y * v_next_y);
          const ptPrevShift_x = inPrev.x - v_prev_y / v_prev_len;
          const ptPrevShift_y = inPrev.y + v_prev_x / v_prev_len;
          const ptNextShift_x = inNext.x - v_next_y / v_next_len;
          const ptNextShift_y = inNext.y + v_next_x / v_next_len;
          const sf = ((ptNextShift_x - ptPrevShift_x) * v_next_y - (ptNextShift_y - ptPrevShift_y) * v_next_x) / (v_prev_x * v_next_y - v_prev_y * v_next_x);
          v_trans_x = ptPrevShift_x + v_prev_x * sf - inPt.x;
          v_trans_y = ptPrevShift_y + v_prev_y * sf - inPt.y;
          const v_trans_lensq = v_trans_x * v_trans_x + v_trans_y * v_trans_y;
          if (v_trans_lensq <= 2) {
            return new Vector2(v_trans_x, v_trans_y);
          } else {
            shrink_by = Math.sqrt(v_trans_lensq / 2);
          }
        } else {
          let direction_eq = false;
          if (v_prev_x > Number.EPSILON) {
            if (v_next_x > Number.EPSILON) {
              direction_eq = true;
            }
          } else {
            if (v_prev_x < -Number.EPSILON) {
              if (v_next_x < -Number.EPSILON) {
                direction_eq = true;
              }
            } else {
              if (Math.sign(v_prev_y) === Math.sign(v_next_y)) {
                direction_eq = true;
              }
            }
          }
          if (direction_eq) {
            v_trans_x = -v_prev_y;
            v_trans_y = v_prev_x;
            shrink_by = Math.sqrt(v_prev_lensq);
          } else {
            v_trans_x = v_prev_x;
            v_trans_y = v_prev_y;
            shrink_by = Math.sqrt(v_prev_lensq / 2);
          }
        }
        return new Vector2(v_trans_x / shrink_by, v_trans_y / shrink_by);
      }
      const contourMovements = [];
      for (let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) {
        if (j === il)
          j = 0;
        if (k === il)
          k = 0;
        contourMovements[i] = getBevelVec(contour[i], contour[j], contour[k]);
      }
      const holesMovements = [];
      let oneHoleMovements, verticesMovements = contourMovements.concat();
      for (let h = 0, hl = holes.length; h < hl; h++) {
        const ahole = holes[h];
        oneHoleMovements = [];
        for (let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) {
          if (j === il)
            j = 0;
          if (k === il)
            k = 0;
          oneHoleMovements[i] = getBevelVec(ahole[i], ahole[j], ahole[k]);
        }
        holesMovements.push(oneHoleMovements);
        verticesMovements = verticesMovements.concat(oneHoleMovements);
      }
      for (let b2 = 0; b2 < bevelSegments; b2++) {
        const t = b2 / bevelSegments;
        const z = bevelThickness * Math.cos(t * Math.PI / 2);
        const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset;
        for (let i = 0, il = contour.length; i < il; i++) {
          const vert = scalePt2(contour[i], contourMovements[i], bs2);
          v(vert.x, vert.y, -z);
        }
        for (let h = 0, hl = holes.length; h < hl; h++) {
          const ahole = holes[h];
          oneHoleMovements = holesMovements[h];
          for (let i = 0, il = ahole.length; i < il; i++) {
            const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2);
            v(vert.x, vert.y, -z);
          }
        }
      }
      const bs = bevelSize + bevelOffset;
      for (let i = 0; i < vlen; i++) {
        const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i];
        if (!extrudeByPath) {
          v(vert.x, vert.y, 0);
        } else {
          normal.copy(splineTube.normals[0]).multiplyScalar(vert.x);
          binormal.copy(splineTube.binormals[0]).multiplyScalar(vert.y);
          position2.copy(extrudePts[0]).add(normal).add(binormal);
          v(position2.x, position2.y, position2.z);
        }
      }
      for (let s = 1; s <= steps; s++) {
        for (let i = 0; i < vlen; i++) {
          const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i];
          if (!extrudeByPath) {
            v(vert.x, vert.y, depth / steps * s);
          } else {
            normal.copy(splineTube.normals[s]).multiplyScalar(vert.x);
            binormal.copy(splineTube.binormals[s]).multiplyScalar(vert.y);
            position2.copy(extrudePts[s]).add(normal).add(binormal);
            v(position2.x, position2.y, position2.z);
          }
        }
      }
      for (let b2 = bevelSegments - 1; b2 >= 0; b2--) {
        const t = b2 / bevelSegments;
        const z = bevelThickness * Math.cos(t * Math.PI / 2);
        const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset;
        for (let i = 0, il = contour.length; i < il; i++) {
          const vert = scalePt2(contour[i], contourMovements[i], bs2);
          v(vert.x, vert.y, depth + z);
        }
        for (let h = 0, hl = holes.length; h < hl; h++) {
          const ahole = holes[h];
          oneHoleMovements = holesMovements[h];
          for (let i = 0, il = ahole.length; i < il; i++) {
            const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2);
            if (!extrudeByPath) {
              v(vert.x, vert.y, depth + z);
            } else {
              v(vert.x, vert.y + extrudePts[steps - 1].y, extrudePts[steps - 1].x + z);
            }
          }
        }
      }
      buildLidFaces();
      buildSideFaces();
      function buildLidFaces() {
        const start = verticesArray.length / 3;
        if (bevelEnabled) {
          let layer = 0;
          let offset = vlen * layer;
          for (let i = 0; i < flen; i++) {
            const face = faces[i];
            f3(face[2] + offset, face[1] + offset, face[0] + offset);
          }
          layer = steps + bevelSegments * 2;
          offset = vlen * layer;
          for (let i = 0; i < flen; i++) {
            const face = faces[i];
            f3(face[0] + offset, face[1] + offset, face[2] + offset);
          }
        } else {
          for (let i = 0; i < flen; i++) {
            const face = faces[i];
            f3(face[2], face[1], face[0]);
          }
          for (let i = 0; i < flen; i++) {
            const face = faces[i];
            f3(face[0] + vlen * steps, face[1] + vlen * steps, face[2] + vlen * steps);
          }
        }
        scope.addGroup(start, verticesArray.length / 3 - start, 0);
      }
      function buildSideFaces() {
        const start = verticesArray.length / 3;
        let layeroffset = 0;
        sidewalls(contour, layeroffset);
        layeroffset += contour.length;
        for (let h = 0, hl = holes.length; h < hl; h++) {
          const ahole = holes[h];
          sidewalls(ahole, layeroffset);
          layeroffset += ahole.length;
        }
        scope.addGroup(start, verticesArray.length / 3 - start, 1);
      }
      function sidewalls(contour2, layeroffset) {
        let i = contour2.length;
        while (--i >= 0) {
          const j = i;
          let k = i - 1;
          if (k < 0)
            k = contour2.length - 1;
          for (let s = 0, sl = steps + bevelSegments * 2; s < sl; s++) {
            const slen1 = vlen * s;
            const slen2 = vlen * (s + 1);
            const a2 = layeroffset + j + slen1, b2 = layeroffset + k + slen1, c2 = layeroffset + k + slen2, d = layeroffset + j + slen2;
            f4(a2, b2, c2, d);
          }
        }
      }
      function v(x, y, z) {
        placeholder.push(x);
        placeholder.push(y);
        placeholder.push(z);
      }
      function f3(a2, b2, c2) {
        addVertex(a2);
        addVertex(b2);
        addVertex(c2);
        const nextIndex = verticesArray.length / 3;
        const uvs = uvgen.generateTopUV(scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1);
        addUV(uvs[0]);
        addUV(uvs[1]);
        addUV(uvs[2]);
      }
      function f4(a2, b2, c2, d) {
        addVertex(a2);
        addVertex(b2);
        addVertex(d);
        addVertex(b2);
        addVertex(c2);
        addVertex(d);
        const nextIndex = verticesArray.length / 3;
        const uvs = uvgen.generateSideWallUV(scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1);
        addUV(uvs[0]);
        addUV(uvs[1]);
        addUV(uvs[3]);
        addUV(uvs[1]);
        addUV(uvs[2]);
        addUV(uvs[3]);
      }
      function addVertex(index) {
        verticesArray.push(placeholder[index * 3 + 0]);
        verticesArray.push(placeholder[index * 3 + 1]);
        verticesArray.push(placeholder[index * 3 + 2]);
      }
      function addUV(vector2) {
        uvArray.push(vector2.x);
        uvArray.push(vector2.y);
      }
    }
  }
  toJSON() {
    const data = super.toJSON();
    const shapes = this.parameters.shapes;
    const options = this.parameters.options;
    return toJSON$1(shapes, options, data);
  }
  static fromJSON(data, shapes) {
    const geometryShapes = [];
    for (let j = 0, jl = data.shapes.length; j < jl; j++) {
      const shape = shapes[data.shapes[j]];
      geometryShapes.push(shape);
    }
    const extrudePath = data.options.extrudePath;
    if (extrudePath !== void 0) {
      data.options.extrudePath = new Curves[extrudePath.type]().fromJSON(extrudePath);
    }
    return new ExtrudeGeometry(geometryShapes, data.options);
  }
};
var WorldUVGenerator = {
  generateTopUV: function(geometry, vertices, indexA, indexB, indexC) {
    const a_x = vertices[indexA * 3];
    const a_y = vertices[indexA * 3 + 1];
    const b_x = vertices[indexB * 3];
    const b_y = vertices[indexB * 3 + 1];
    const c_x = vertices[indexC * 3];
    const c_y = vertices[indexC * 3 + 1];
    return [
      new Vector2(a_x, a_y),
      new Vector2(b_x, b_y),
      new Vector2(c_x, c_y)
    ];
  },
  generateSideWallUV: function(geometry, vertices, indexA, indexB, indexC, indexD) {
    const a_x = vertices[indexA * 3];
    const a_y = vertices[indexA * 3 + 1];
    const a_z = vertices[indexA * 3 + 2];
    const b_x = vertices[indexB * 3];
    const b_y = vertices[indexB * 3 + 1];
    const b_z = vertices[indexB * 3 + 2];
    const c_x = vertices[indexC * 3];
    const c_y = vertices[indexC * 3 + 1];
    const c_z = vertices[indexC * 3 + 2];
    const d_x = vertices[indexD * 3];
    const d_y = vertices[indexD * 3 + 1];
    const d_z = vertices[indexD * 3 + 2];
    if (Math.abs(a_y - b_y) < Math.abs(a_x - b_x)) {
      return [
        new Vector2(a_x, 1 - a_z),
        new Vector2(b_x, 1 - b_z),
        new Vector2(c_x, 1 - c_z),
        new Vector2(d_x, 1 - d_z)
      ];
    } else {
      return [
        new Vector2(a_y, 1 - a_z),
        new Vector2(b_y, 1 - b_z),
        new Vector2(c_y, 1 - c_z),
        new Vector2(d_y, 1 - d_z)
      ];
    }
  }
};
function toJSON$1(shapes, options, data) {
  data.shapes = [];
  if (Array.isArray(shapes)) {
    for (let i = 0, l = shapes.length; i < l; i++) {
      const shape = shapes[i];
      data.shapes.push(shape.uuid);
    }
  } else {
    data.shapes.push(shapes.uuid);
  }
  if (options.extrudePath !== void 0)
    data.options.extrudePath = options.extrudePath.toJSON();
  return data;
}
var ShapeGeometry = class extends BufferGeometry {
  constructor(shapes, curveSegments = 12) {
    super();
    this.type = "ShapeGeometry";
    this.parameters = {
      shapes,
      curveSegments
    };
    const indices = [];
    const vertices = [];
    const normals = [];
    const uvs = [];
    let groupStart = 0;
    let groupCount = 0;
    if (Array.isArray(shapes) === false) {
      addShape(shapes);
    } else {
      for (let i = 0; i < shapes.length; i++) {
        addShape(shapes[i]);
        this.addGroup(groupStart, groupCount, i);
        groupStart += groupCount;
        groupCount = 0;
      }
    }
    this.setIndex(indices);
    this.setAttribute("position", new Float32BufferAttribute(vertices, 3));
    this.setAttribute("normal", new Float32BufferAttribute(normals, 3));
    this.setAttribute("uv", new Float32BufferAttribute(uvs, 2));
    function addShape(shape) {
      const indexOffset = vertices.length / 3;
      const points = shape.extractPoints(curveSegments);
      let shapeVertices = points.shape;
      const shapeHoles = points.holes;
      if (ShapeUtils.isClockWise(shapeVertices) === false) {
        shapeVertices = shapeVertices.reverse();
      }
      for (let i = 0, l = shapeHoles.length; i < l; i++) {
        const shapeHole = shapeHoles[i];
        if (ShapeUtils.isClockWise(shapeHole) === true) {
          shapeHoles[i] = shapeHole.reverse();
        }
      }
      const faces = ShapeUtils.triangulateShape(shapeVertices, shapeHoles);
      for (let i = 0, l = shapeHoles.length; i < l; i++) {
        const shapeHole = shapeHoles[i];
        shapeVertices = shapeVertices.concat(shapeHole);
      }
      for (let i = 0, l = shapeVertices.length; i < l; i++) {
        const vertex = shapeVertices[i];
        vertices.push(vertex.x, vertex.y, 0);
        normals.push(0, 0, 1);
        uvs.push(vertex.x, vertex.y);
      }
      for (let i = 0, l = faces.length; i < l; i++) {
        const face = faces[i];
        const a2 = face[0] + indexOffset;
        const b2 = face[1] + indexOffset;
        const c2 = face[2] + indexOffset;
        indices.push(a2, b2, c2);
        groupCount += 3;
      }
    }
  }
  toJSON() {
    const data = super.toJSON();
    const shapes = this.parameters.shapes;
    return toJSON(shapes, data);
  }
  static fromJSON(data, shapes) {
    const geometryShapes = [];
    for (let j = 0, jl = data.shapes.length; j < jl; j++) {
      const shape = shapes[data.shapes[j]];
      geometryShapes.push(shape);
    }
    return new ShapeGeometry(geometryShapes, data.curveSegments);
  }
};
function toJSON(shapes, data) {
  data.shapes = [];
  if (Array.isArray(shapes)) {
    for (let i = 0, l = shapes.length; i < l; i++) {
      const shape = shapes[i];
      data.shapes.push(shape.uuid);
    }
  } else {
    data.shapes.push(shapes.uuid);
  }
  return data;
}
var ShadowMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "ShadowMaterial";
    this.color = new Color(0);
    this.transparent = true;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    return this;
  }
};
ShadowMaterial.prototype.isShadowMaterial = true;
var MeshStandardMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.defines = { "STANDARD": "" };
    this.type = "MeshStandardMaterial";
    this.color = new Color(16777215);
    this.roughness = 1;
    this.metalness = 0;
    this.map = null;
    this.lightMap = null;
    this.lightMapIntensity = 1;
    this.aoMap = null;
    this.aoMapIntensity = 1;
    this.emissive = new Color(0);
    this.emissiveIntensity = 1;
    this.emissiveMap = null;
    this.bumpMap = null;
    this.bumpScale = 1;
    this.normalMap = null;
    this.normalMapType = TangentSpaceNormalMap;
    this.normalScale = new Vector2(1, 1);
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.roughnessMap = null;
    this.metalnessMap = null;
    this.alphaMap = null;
    this.envMap = null;
    this.envMapIntensity = 1;
    this.refractionRatio = 0.98;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.wireframeLinecap = "round";
    this.wireframeLinejoin = "round";
    this.flatShading = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.defines = { "STANDARD": "" };
    this.color.copy(source.color);
    this.roughness = source.roughness;
    this.metalness = source.metalness;
    this.map = source.map;
    this.lightMap = source.lightMap;
    this.lightMapIntensity = source.lightMapIntensity;
    this.aoMap = source.aoMap;
    this.aoMapIntensity = source.aoMapIntensity;
    this.emissive.copy(source.emissive);
    this.emissiveMap = source.emissiveMap;
    this.emissiveIntensity = source.emissiveIntensity;
    this.bumpMap = source.bumpMap;
    this.bumpScale = source.bumpScale;
    this.normalMap = source.normalMap;
    this.normalMapType = source.normalMapType;
    this.normalScale.copy(source.normalScale);
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.roughnessMap = source.roughnessMap;
    this.metalnessMap = source.metalnessMap;
    this.alphaMap = source.alphaMap;
    this.envMap = source.envMap;
    this.envMapIntensity = source.envMapIntensity;
    this.refractionRatio = source.refractionRatio;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.wireframeLinecap = source.wireframeLinecap;
    this.wireframeLinejoin = source.wireframeLinejoin;
    this.flatShading = source.flatShading;
    return this;
  }
};
MeshStandardMaterial.prototype.isMeshStandardMaterial = true;
var MeshPhysicalMaterial = class extends MeshStandardMaterial {
  constructor(parameters) {
    super();
    this.defines = {
      "STANDARD": "",
      "PHYSICAL": ""
    };
    this.type = "MeshPhysicalMaterial";
    this.clearcoatMap = null;
    this.clearcoatRoughness = 0;
    this.clearcoatRoughnessMap = null;
    this.clearcoatNormalScale = new Vector2(1, 1);
    this.clearcoatNormalMap = null;
    this.ior = 1.5;
    Object.defineProperty(this, "reflectivity", {
      get: function() {
        return clamp(2.5 * (this.ior - 1) / (this.ior + 1), 0, 1);
      },
      set: function(reflectivity) {
        this.ior = (1 + 0.4 * reflectivity) / (1 - 0.4 * reflectivity);
      }
    });
    this.sheenTint = new Color(0);
    this.transmission = 0;
    this.transmissionMap = null;
    this.thickness = 0.01;
    this.thicknessMap = null;
    this.attenuationDistance = 0;
    this.attenuationTint = new Color(1, 1, 1);
    this.specularIntensity = 1;
    this.specularIntensityMap = null;
    this.specularTint = new Color(1, 1, 1);
    this.specularTintMap = null;
    this._clearcoat = 0;
    this._transmission = 0;
    this.setValues(parameters);
  }
  get clearcoat() {
    return this._clearcoat;
  }
  set clearcoat(value) {
    if (this._clearcoat > 0 !== value > 0) {
      this.version++;
    }
    this._clearcoat = value;
  }
  get transmission() {
    return this._transmission;
  }
  set transmission(value) {
    if (this._transmission > 0 !== value > 0) {
      this.version++;
    }
    this._transmission = value;
  }
  copy(source) {
    super.copy(source);
    this.defines = {
      "STANDARD": "",
      "PHYSICAL": ""
    };
    this.clearcoat = source.clearcoat;
    this.clearcoatMap = source.clearcoatMap;
    this.clearcoatRoughness = source.clearcoatRoughness;
    this.clearcoatRoughnessMap = source.clearcoatRoughnessMap;
    this.clearcoatNormalMap = source.clearcoatNormalMap;
    this.clearcoatNormalScale.copy(source.clearcoatNormalScale);
    this.ior = source.ior;
    this.sheenTint.copy(source.sheenTint);
    this.transmission = source.transmission;
    this.transmissionMap = source.transmissionMap;
    this.thickness = source.thickness;
    this.thicknessMap = source.thicknessMap;
    this.attenuationDistance = source.attenuationDistance;
    this.attenuationTint.copy(source.attenuationTint);
    this.specularIntensity = source.specularIntensity;
    this.specularIntensityMap = source.specularIntensityMap;
    this.specularTint.copy(source.specularTint);
    this.specularTintMap = source.specularTintMap;
    return this;
  }
};
MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;
var MeshPhongMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshPhongMaterial";
    this.color = new Color(16777215);
    this.specular = new Color(1118481);
    this.shininess = 30;
    this.map = null;
    this.lightMap = null;
    this.lightMapIntensity = 1;
    this.aoMap = null;
    this.aoMapIntensity = 1;
    this.emissive = new Color(0);
    this.emissiveIntensity = 1;
    this.emissiveMap = null;
    this.bumpMap = null;
    this.bumpScale = 1;
    this.normalMap = null;
    this.normalMapType = TangentSpaceNormalMap;
    this.normalScale = new Vector2(1, 1);
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.specularMap = null;
    this.alphaMap = null;
    this.envMap = null;
    this.combine = MultiplyOperation;
    this.reflectivity = 1;
    this.refractionRatio = 0.98;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.wireframeLinecap = "round";
    this.wireframeLinejoin = "round";
    this.flatShading = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.specular.copy(source.specular);
    this.shininess = source.shininess;
    this.map = source.map;
    this.lightMap = source.lightMap;
    this.lightMapIntensity = source.lightMapIntensity;
    this.aoMap = source.aoMap;
    this.aoMapIntensity = source.aoMapIntensity;
    this.emissive.copy(source.emissive);
    this.emissiveMap = source.emissiveMap;
    this.emissiveIntensity = source.emissiveIntensity;
    this.bumpMap = source.bumpMap;
    this.bumpScale = source.bumpScale;
    this.normalMap = source.normalMap;
    this.normalMapType = source.normalMapType;
    this.normalScale.copy(source.normalScale);
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.specularMap = source.specularMap;
    this.alphaMap = source.alphaMap;
    this.envMap = source.envMap;
    this.combine = source.combine;
    this.reflectivity = source.reflectivity;
    this.refractionRatio = source.refractionRatio;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.wireframeLinecap = source.wireframeLinecap;
    this.wireframeLinejoin = source.wireframeLinejoin;
    this.flatShading = source.flatShading;
    return this;
  }
};
MeshPhongMaterial.prototype.isMeshPhongMaterial = true;
var MeshToonMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.defines = { "TOON": "" };
    this.type = "MeshToonMaterial";
    this.color = new Color(16777215);
    this.map = null;
    this.gradientMap = null;
    this.lightMap = null;
    this.lightMapIntensity = 1;
    this.aoMap = null;
    this.aoMapIntensity = 1;
    this.emissive = new Color(0);
    this.emissiveIntensity = 1;
    this.emissiveMap = null;
    this.bumpMap = null;
    this.bumpScale = 1;
    this.normalMap = null;
    this.normalMapType = TangentSpaceNormalMap;
    this.normalScale = new Vector2(1, 1);
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.alphaMap = null;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.wireframeLinecap = "round";
    this.wireframeLinejoin = "round";
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.map = source.map;
    this.gradientMap = source.gradientMap;
    this.lightMap = source.lightMap;
    this.lightMapIntensity = source.lightMapIntensity;
    this.aoMap = source.aoMap;
    this.aoMapIntensity = source.aoMapIntensity;
    this.emissive.copy(source.emissive);
    this.emissiveMap = source.emissiveMap;
    this.emissiveIntensity = source.emissiveIntensity;
    this.bumpMap = source.bumpMap;
    this.bumpScale = source.bumpScale;
    this.normalMap = source.normalMap;
    this.normalMapType = source.normalMapType;
    this.normalScale.copy(source.normalScale);
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.alphaMap = source.alphaMap;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.wireframeLinecap = source.wireframeLinecap;
    this.wireframeLinejoin = source.wireframeLinejoin;
    return this;
  }
};
MeshToonMaterial.prototype.isMeshToonMaterial = true;
var MeshNormalMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshNormalMaterial";
    this.bumpMap = null;
    this.bumpScale = 1;
    this.normalMap = null;
    this.normalMapType = TangentSpaceNormalMap;
    this.normalScale = new Vector2(1, 1);
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.fog = false;
    this.flatShading = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.bumpMap = source.bumpMap;
    this.bumpScale = source.bumpScale;
    this.normalMap = source.normalMap;
    this.normalMapType = source.normalMapType;
    this.normalScale.copy(source.normalScale);
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.flatShading = source.flatShading;
    return this;
  }
};
MeshNormalMaterial.prototype.isMeshNormalMaterial = true;
var MeshLambertMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.type = "MeshLambertMaterial";
    this.color = new Color(16777215);
    this.map = null;
    this.lightMap = null;
    this.lightMapIntensity = 1;
    this.aoMap = null;
    this.aoMapIntensity = 1;
    this.emissive = new Color(0);
    this.emissiveIntensity = 1;
    this.emissiveMap = null;
    this.specularMap = null;
    this.alphaMap = null;
    this.envMap = null;
    this.combine = MultiplyOperation;
    this.reflectivity = 1;
    this.refractionRatio = 0.98;
    this.wireframe = false;
    this.wireframeLinewidth = 1;
    this.wireframeLinecap = "round";
    this.wireframeLinejoin = "round";
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.map = source.map;
    this.lightMap = source.lightMap;
    this.lightMapIntensity = source.lightMapIntensity;
    this.aoMap = source.aoMap;
    this.aoMapIntensity = source.aoMapIntensity;
    this.emissive.copy(source.emissive);
    this.emissiveMap = source.emissiveMap;
    this.emissiveIntensity = source.emissiveIntensity;
    this.specularMap = source.specularMap;
    this.alphaMap = source.alphaMap;
    this.envMap = source.envMap;
    this.combine = source.combine;
    this.reflectivity = source.reflectivity;
    this.refractionRatio = source.refractionRatio;
    this.wireframe = source.wireframe;
    this.wireframeLinewidth = source.wireframeLinewidth;
    this.wireframeLinecap = source.wireframeLinecap;
    this.wireframeLinejoin = source.wireframeLinejoin;
    return this;
  }
};
MeshLambertMaterial.prototype.isMeshLambertMaterial = true;
var MeshMatcapMaterial = class extends Material {
  constructor(parameters) {
    super();
    this.defines = { "MATCAP": "" };
    this.type = "MeshMatcapMaterial";
    this.color = new Color(16777215);
    this.matcap = null;
    this.map = null;
    this.bumpMap = null;
    this.bumpScale = 1;
    this.normalMap = null;
    this.normalMapType = TangentSpaceNormalMap;
    this.normalScale = new Vector2(1, 1);
    this.displacementMap = null;
    this.displacementScale = 1;
    this.displacementBias = 0;
    this.alphaMap = null;
    this.flatShading = false;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.defines = { "MATCAP": "" };
    this.color.copy(source.color);
    this.matcap = source.matcap;
    this.map = source.map;
    this.bumpMap = source.bumpMap;
    this.bumpScale = source.bumpScale;
    this.normalMap = source.normalMap;
    this.normalMapType = source.normalMapType;
    this.normalScale.copy(source.normalScale);
    this.displacementMap = source.displacementMap;
    this.displacementScale = source.displacementScale;
    this.displacementBias = source.displacementBias;
    this.alphaMap = source.alphaMap;
    this.flatShading = source.flatShading;
    return this;
  }
};
MeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;
var LineDashedMaterial = class extends LineBasicMaterial {
  constructor(parameters) {
    super();
    this.type = "LineDashedMaterial";
    this.scale = 1;
    this.dashSize = 3;
    this.gapSize = 1;
    this.setValues(parameters);
  }
  copy(source) {
    super.copy(source);
    this.scale = source.scale;
    this.dashSize = source.dashSize;
    this.gapSize = source.gapSize;
    return this;
  }
};
LineDashedMaterial.prototype.isLineDashedMaterial = true;
var AnimationUtils = {
  arraySlice: function(array, from, to) {
    if (AnimationUtils.isTypedArray(array)) {
      return new array.constructor(array.subarray(from, to !== void 0 ? to : array.length));
    }
    return array.slice(from, to);
  },
  convertArray: function(array, type, forceClone) {
    if (!array || !forceClone && array.constructor === type)
      return array;
    if (typeof type.BYTES_PER_ELEMENT === "number") {
      return new type(array);
    }
    return Array.prototype.slice.call(array);
  },
  isTypedArray: function(object) {
    return ArrayBuffer.isView(object) && !(object instanceof DataView);
  },
  getKeyframeOrder: function(times) {
    function compareTime(i, j) {
      return times[i] - times[j];
    }
    const n = times.length;
    const result = new Array(n);
    for (let i = 0; i !== n; ++i)
      result[i] = i;
    result.sort(compareTime);
    return result;
  },
  sortedArray: function(values, stride, order) {
    const nValues = values.length;
    const result = new values.constructor(nValues);
    for (let i = 0, dstOffset = 0; dstOffset !== nValues; ++i) {
      const srcOffset = order[i] * stride;
      for (let j = 0; j !== stride; ++j) {
        result[dstOffset++] = values[srcOffset + j];
      }
    }
    return result;
  },
  flattenJSON: function(jsonKeys, times, values, valuePropertyName) {
    let i = 1, key = jsonKeys[0];
    while (key !== void 0 && key[valuePropertyName] === void 0) {
      key = jsonKeys[i++];
    }
    if (key === void 0)
      return;
    let value = key[valuePropertyName];
    if (value === void 0)
      return;
    if (Array.isArray(value)) {
      do {
        value = key[valuePropertyName];
        if (value !== void 0) {
          times.push(key.time);
          values.push.apply(values, value);
        }
        key = jsonKeys[i++];
      } while (key !== void 0);
    } else if (value.toArray !== void 0) {
      do {
        value = key[valuePropertyName];
        if (value !== void 0) {
          times.push(key.time);
          value.toArray(values, values.length);
        }
        key = jsonKeys[i++];
      } while (key !== void 0);
    } else {
      do {
        value = key[valuePropertyName];
        if (value !== void 0) {
          times.push(key.time);
          values.push(value);
        }
        key = jsonKeys[i++];
      } while (key !== void 0);
    }
  },
  subclip: function(sourceClip, name, startFrame, endFrame, fps = 30) {
    const clip = sourceClip.clone();
    clip.name = name;
    const tracks = [];
    for (let i = 0; i < clip.tracks.length; ++i) {
      const track = clip.tracks[i];
      const valueSize = track.getValueSize();
      const times = [];
      const values = [];
      for (let j = 0; j < track.times.length; ++j) {
        const frame = track.times[j] * fps;
        if (frame < startFrame || frame >= endFrame)
          continue;
        times.push(track.times[j]);
        for (let k = 0; k < valueSize; ++k) {
          values.push(track.values[j * valueSize + k]);
        }
      }
      if (times.length === 0)
        continue;
      track.times = AnimationUtils.convertArray(times, track.times.constructor);
      track.values = AnimationUtils.convertArray(values, track.values.constructor);
      tracks.push(track);
    }
    clip.tracks = tracks;
    let minStartTime = Infinity;
    for (let i = 0; i < clip.tracks.length; ++i) {
      if (minStartTime > clip.tracks[i].times[0]) {
        minStartTime = clip.tracks[i].times[0];
      }
    }
    for (let i = 0; i < clip.tracks.length; ++i) {
      clip.tracks[i].shift(-1 * minStartTime);
    }
    clip.resetDuration();
    return clip;
  },
  makeClipAdditive: function(targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30) {
    if (fps <= 0)
      fps = 30;
    const numTracks = referenceClip.tracks.length;
    const referenceTime = referenceFrame / fps;
    for (let i = 0; i < numTracks; ++i) {
      const referenceTrack = referenceClip.tracks[i];
      const referenceTrackType = referenceTrack.ValueTypeName;
      if (referenceTrackType === "bool" || referenceTrackType === "string")
        continue;
      const targetTrack = targetClip.tracks.find(function(track) {
        return track.name === referenceTrack.name && track.ValueTypeName === referenceTrackType;
      });
      if (targetTrack === void 0)
        continue;
      let referenceOffset = 0;
      const referenceValueSize = referenceTrack.getValueSize();
      if (referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) {
        referenceOffset = referenceValueSize / 3;
      }
      let targetOffset = 0;
      const targetValueSize = targetTrack.getValueSize();
      if (targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) {
        targetOffset = targetValueSize / 3;
      }
      const lastIndex = referenceTrack.times.length - 1;
      let referenceValue;
      if (referenceTime <= referenceTrack.times[0]) {
        const startIndex = referenceOffset;
        const endIndex = referenceValueSize - referenceOffset;
        referenceValue = AnimationUtils.arraySlice(referenceTrack.values, startIndex, endIndex);
      } else if (referenceTime >= referenceTrack.times[lastIndex]) {
        const startIndex = lastIndex * referenceValueSize + referenceOffset;
        const endIndex = startIndex + referenceValueSize - referenceOffset;
        referenceValue = AnimationUtils.arraySlice(referenceTrack.values, startIndex, endIndex);
      } else {
        const interpolant = referenceTrack.createInterpolant();
        const startIndex = referenceOffset;
        const endIndex = referenceValueSize - referenceOffset;
        interpolant.evaluate(referenceTime);
        referenceValue = AnimationUtils.arraySlice(interpolant.resultBuffer, startIndex, endIndex);
      }
      if (referenceTrackType === "quaternion") {
        const referenceQuat = new Quaternion().fromArray(referenceValue).normalize().conjugate();
        referenceQuat.toArray(referenceValue);
      }
      const numTimes = targetTrack.times.length;
      for (let j = 0; j < numTimes; ++j) {
        const valueStart = j * targetValueSize + targetOffset;
        if (referenceTrackType === "quaternion") {
          Quaternion.multiplyQuaternionsFlat(targetTrack.values, valueStart, referenceValue, 0, targetTrack.values, valueStart);
        } else {
          const valueEnd = targetValueSize - targetOffset * 2;
          for (let k = 0; k < valueEnd; ++k) {
            targetTrack.values[valueStart + k] -= referenceValue[k];
          }
        }
      }
    }
    targetClip.blendMode = AdditiveAnimationBlendMode;
    return targetClip;
  }
};
var Interpolant = class {
  constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) {
    this.parameterPositions = parameterPositions;
    this._cachedIndex = 0;
    this.resultBuffer = resultBuffer !== void 0 ? resultBuffer : new sampleValues.constructor(sampleSize);
    this.sampleValues = sampleValues;
    this.valueSize = sampleSize;
    this.settings = null;
    this.DefaultSettings_ = {};
  }
  evaluate(t) {
    const pp = this.parameterPositions;
    let i1 = this._cachedIndex, t1 = pp[i1], t0 = pp[i1 - 1];
    validate_interval: {
      seek: {
        let right;
        linear_scan: {
          forward_scan:
            if (!(t < t1)) {
              for (let giveUpAt = i1 + 2; ; ) {
                if (t1 === void 0) {
                  if (t < t0)
                    break forward_scan;
                  i1 = pp.length;
                  this._cachedIndex = i1;
                  return this.afterEnd_(i1 - 1, t, t0);
                }
                if (i1 === giveUpAt)
                  break;
                t0 = t1;
                t1 = pp[++i1];
                if (t < t1) {
                  break seek;
                }
              }
              right = pp.length;
              break linear_scan;
            }
          if (!(t >= t0)) {
            const t1global = pp[1];
            if (t < t1global) {
              i1 = 2;
              t0 = t1global;
            }
            for (let giveUpAt = i1 - 2; ; ) {
              if (t0 === void 0) {
                this._cachedIndex = 0;
                return this.beforeStart_(0, t, t1);
              }
              if (i1 === giveUpAt)
                break;
              t1 = t0;
              t0 = pp[--i1 - 1];
              if (t >= t0) {
                break seek;
              }
            }
            right = i1;
            i1 = 0;
            break linear_scan;
          }
          break validate_interval;
        }
        while (i1 < right) {
          const mid = i1 + right >>> 1;
          if (t < pp[mid]) {
            right = mid;
          } else {
            i1 = mid + 1;
          }
        }
        t1 = pp[i1];
        t0 = pp[i1 - 1];
        if (t0 === void 0) {
          this._cachedIndex = 0;
          return this.beforeStart_(0, t, t1);
        }
        if (t1 === void 0) {
          i1 = pp.length;
          this._cachedIndex = i1;
          return this.afterEnd_(i1 - 1, t0, t);
        }
      }
      this._cachedIndex = i1;
      this.intervalChanged_(i1, t0, t1);
    }
    return this.interpolate_(i1, t0, t, t1);
  }
  getSettings_() {
    return this.settings || this.DefaultSettings_;
  }
  copySampleValue_(index) {
    const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset = index * stride;
    for (let i = 0; i !== stride; ++i) {
      result[i] = values[offset + i];
    }
    return result;
  }
  interpolate_() {
    throw new Error("call to abstract method");
  }
  intervalChanged_() {
  }
};
Interpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;
Interpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;
var CubicInterpolant = class extends Interpolant {
  constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) {
    super(parameterPositions, sampleValues, sampleSize, resultBuffer);
    this._weightPrev = -0;
    this._offsetPrev = -0;
    this._weightNext = -0;
    this._offsetNext = -0;
    this.DefaultSettings_ = {
      endingStart: ZeroCurvatureEnding,
      endingEnd: ZeroCurvatureEnding
    };
  }
  intervalChanged_(i1, t0, t1) {
    const pp = this.parameterPositions;
    let iPrev = i1 - 2, iNext = i1 + 1, tPrev = pp[iPrev], tNext = pp[iNext];
    if (tPrev === void 0) {
      switch (this.getSettings_().endingStart) {
        case ZeroSlopeEnding:
          iPrev = i1;
          tPrev = 2 * t0 - t1;
          break;
        case WrapAroundEnding:
          iPrev = pp.length - 2;
          tPrev = t0 + pp[iPrev] - pp[iPrev + 1];
          break;
        default:
          iPrev = i1;
          tPrev = t1;
      }
    }
    if (tNext === void 0) {
      switch (this.getSettings_().endingEnd) {
        case ZeroSlopeEnding:
          iNext = i1;
          tNext = 2 * t1 - t0;
          break;
        case WrapAroundEnding:
          iNext = 1;
          tNext = t1 + pp[1] - pp[0];
          break;
        default:
          iNext = i1 - 1;
          tNext = t0;
      }
    }
    const halfDt = (t1 - t0) * 0.5, stride = this.valueSize;
    this._weightPrev = halfDt / (t0 - tPrev);
    this._weightNext = halfDt / (tNext - t1);
    this._offsetPrev = iPrev * stride;
    this._offsetNext = iNext * stride;
  }
  interpolate_(i1, t0, t, t1) {
    const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, o1 = i1 * stride, o0 = o1 - stride, oP = this._offsetPrev, oN = this._offsetNext, wP = this._weightPrev, wN = this._weightNext, p2 = (t - t0) / (t1 - t0), pp = p2 * p2, ppp = pp * p2;
    const sP = -wP * ppp + 2 * wP * pp - wP * p2;
    const s0 = (1 + wP) * ppp + (-1.5 - 2 * wP) * pp + (-0.5 + wP) * p2 + 1;
    const s1 = (-1 - wN) * ppp + (1.5 + wN) * pp + 0.5 * p2;
    const sN = wN * ppp - wN * pp;
    for (let i = 0; i !== stride; ++i) {
      result[i] = sP * values[oP + i] + s0 * values[o0 + i] + s1 * values[o1 + i] + sN * values[oN + i];
    }
    return result;
  }
};
var LinearInterpolant = class extends Interpolant {
  constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) {
    super(parameterPositions, sampleValues, sampleSize, resultBuffer);
  }
  interpolate_(i1, t0, t, t1) {
    const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset1 = i1 * stride, offset0 = offset1 - stride, weight1 = (t - t0) / (t1 - t0), weight0 = 1 - weight1;
    for (let i = 0; i !== stride; ++i) {
      result[i] = values[offset0 + i] * weight0 + values[offset1 + i] * weight1;
    }
    return result;
  }
};
var DiscreteInterpolant = class extends Interpolant {
  constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) {
    super(parameterPositions, sampleValues, sampleSize, resultBuffer);
  }
  interpolate_(i1) {
    return this.copySampleValue_(i1 - 1);
  }
};
var KeyframeTrack = class {
  constructor(name, times, values, interpolation) {
    if (name === void 0)
      throw new Error("THREE.KeyframeTrack: track name is undefined");
    if (times === void 0 || times.length === 0)
      throw new Error("THREE.KeyframeTrack: no keyframes in track named " + name);
    this.name = name;
    this.times = AnimationUtils.convertArray(times, this.TimeBufferType);
    this.values = AnimationUtils.convertArray(values, this.ValueBufferType);
    this.setInterpolation(interpolation || this.DefaultInterpolation);
  }
  static toJSON(track) {
    const trackType = track.constructor;
    let json;
    if (trackType.toJSON !== this.toJSON) {
      json = trackType.toJSON(track);
    } else {
      json = {
        "name": track.name,
        "times": AnimationUtils.convertArray(track.times, Array),
        "values": AnimationUtils.convertArray(track.values, Array)
      };
      const interpolation = track.getInterpolation();
      if (interpolation !== track.DefaultInterpolation) {
        json.interpolation = interpolation;
      }
    }
    json.type = track.ValueTypeName;
    return json;
  }
  InterpolantFactoryMethodDiscrete(result) {
    return new DiscreteInterpolant(this.times, this.values, this.getValueSize(), result);
  }
  InterpolantFactoryMethodLinear(result) {
    return new LinearInterpolant(this.times, this.values, this.getValueSize(), result);
  }
  InterpolantFactoryMethodSmooth(result) {
    return new CubicInterpolant(this.times, this.values, this.getValueSize(), result);
  }
  setInterpolation(interpolation) {
    let factoryMethod;
    switch (interpolation) {
      case InterpolateDiscrete:
        factoryMethod = this.InterpolantFactoryMethodDiscrete;
        break;
      case InterpolateLinear:
        factoryMethod = this.InterpolantFactoryMethodLinear;
        break;
      case InterpolateSmooth:
        factoryMethod = this.InterpolantFactoryMethodSmooth;
        break;
    }
    if (factoryMethod === void 0) {
      const message = "unsupported interpolation for " + this.ValueTypeName + " keyframe track named " + this.name;
      if (this.createInterpolant === void 0) {
        if (interpolation !== this.DefaultInterpolation) {
          this.setInterpolation(this.DefaultInterpolation);
        } else {
          throw new Error(message);
        }
      }
      console.warn("THREE.KeyframeTrack:", message);
      return this;
    }
    this.createInterpolant = factoryMethod;
    return this;
  }
  getInterpolation() {
    switch (this.createInterpolant) {
      case this.InterpolantFactoryMethodDiscrete:
        return InterpolateDiscrete;
      case this.InterpolantFactoryMethodLinear:
        return InterpolateLinear;
      case this.InterpolantFactoryMethodSmooth:
        return InterpolateSmooth;
    }
  }
  getValueSize() {
    return this.values.length / this.times.length;
  }
  shift(timeOffset) {
    if (timeOffset !== 0) {
      const times = this.times;
      for (let i = 0, n = times.length; i !== n; ++i) {
        times[i] += timeOffset;
      }
    }
    return this;
  }
  scale(timeScale) {
    if (timeScale !== 1) {
      const times = this.times;
      for (let i = 0, n = times.length; i !== n; ++i) {
        times[i] *= timeScale;
      }
    }
    return this;
  }
  trim(startTime, endTime) {
    const times = this.times, nKeys = times.length;
    let from = 0, to = nKeys - 1;
    while (from !== nKeys && times[from] < startTime) {
      ++from;
    }
    while (to !== -1 && times[to] > endTime) {
      --to;
    }
    ++to;
    if (from !== 0 || to !== nKeys) {
      if (from >= to) {
        to = Math.max(to, 1);
        from = to - 1;
      }
      const stride = this.getValueSize();
      this.times = AnimationUtils.arraySlice(times, from, to);
      this.values = AnimationUtils.arraySlice(this.values, from * stride, to * stride);
    }
    return this;
  }
  validate() {
    let valid = true;
    const valueSize = this.getValueSize();
    if (valueSize - Math.floor(valueSize) !== 0) {
      console.error("THREE.KeyframeTrack: Invalid value size in track.", this);
      valid = false;
    }
    const times = this.times, values = this.values, nKeys = times.length;
    if (nKeys === 0) {
      console.error("THREE.KeyframeTrack: Track is empty.", this);
      valid = false;
    }
    let prevTime = null;
    for (let i = 0; i !== nKeys; i++) {
      const currTime = times[i];
      if (typeof currTime === "number" && isNaN(currTime)) {
        console.error("THREE.KeyframeTrack: Time is not a valid number.", this, i, currTime);
        valid = false;
        break;
      }
      if (prevTime !== null && prevTime > currTime) {
        console.error("THREE.KeyframeTrack: Out of order keys.", this, i, currTime, prevTime);
        valid = false;
        break;
      }
      prevTime = currTime;
    }
    if (values !== void 0) {
      if (AnimationUtils.isTypedArray(values)) {
        for (let i = 0, n = values.length; i !== n; ++i) {
          const value = values[i];
          if (isNaN(value)) {
            console.error("THREE.KeyframeTrack: Value is not a valid number.", this, i, value);
            valid = false;
            break;
          }
        }
      }
    }
    return valid;
  }
  optimize() {
    const times = AnimationUtils.arraySlice(this.times), values = AnimationUtils.arraySlice(this.values), stride = this.getValueSize(), smoothInterpolation = this.getInterpolation() === InterpolateSmooth, lastIndex = times.length - 1;
    let writeIndex = 1;
    for (let i = 1; i < lastIndex; ++i) {
      let keep = false;
      const time = times[i];
      const timeNext = times[i + 1];
      if (time !== timeNext && (i !== 1 || time !== times[0])) {
        if (!smoothInterpolation) {
          const offset = i * stride, offsetP = offset - stride, offsetN = offset + stride;
          for (let j = 0; j !== stride; ++j) {
            const value = values[offset + j];
            if (value !== values[offsetP + j] || value !== values[offsetN + j]) {
              keep = true;
              break;
            }
          }
        } else {
          keep = true;
        }
      }
      if (keep) {
        if (i !== writeIndex) {
          times[writeIndex] = times[i];
          const readOffset = i * stride, writeOffset = writeIndex * stride;
          for (let j = 0; j !== stride; ++j) {
            values[writeOffset + j] = values[readOffset + j];
          }
        }
        ++writeIndex;
      }
    }
    if (lastIndex > 0) {
      times[writeIndex] = times[lastIndex];
      for (let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++j) {
        values[writeOffset + j] = values[readOffset + j];
      }
      ++writeIndex;
    }
    if (writeIndex !== times.length) {
      this.times = AnimationUtils.arraySlice(times, 0, writeIndex);
      this.values = AnimationUtils.arraySlice(values, 0, writeIndex * stride);
    } else {
      this.times = times;
      this.values = values;
    }
    return this;
  }
  clone() {
    const times = AnimationUtils.arraySlice(this.times, 0);
    const values = AnimationUtils.arraySlice(this.values, 0);
    const TypedKeyframeTrack = this.constructor;
    const track = new TypedKeyframeTrack(this.name, times, values);
    track.createInterpolant = this.createInterpolant;
    return track;
  }
};
KeyframeTrack.prototype.TimeBufferType = Float32Array;
KeyframeTrack.prototype.ValueBufferType = Float32Array;
KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;
var BooleanKeyframeTrack = class extends KeyframeTrack {
};
BooleanKeyframeTrack.prototype.ValueTypeName = "bool";
BooleanKeyframeTrack.prototype.ValueBufferType = Array;
BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;
BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0;
BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0;
var ColorKeyframeTrack = class extends KeyframeTrack {
};
ColorKeyframeTrack.prototype.ValueTypeName = "color";
var NumberKeyframeTrack = class extends KeyframeTrack {
};
NumberKeyframeTrack.prototype.ValueTypeName = "number";
var QuaternionLinearInterpolant = class extends Interpolant {
  constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) {
    super(parameterPositions, sampleValues, sampleSize, resultBuffer);
  }
  interpolate_(i1, t0, t, t1) {
    const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, alpha = (t - t0) / (t1 - t0);
    let offset = i1 * stride;
    for (let end = offset + stride; offset !== end; offset += 4) {
      Quaternion.slerpFlat(result, 0, values, offset - stride, values, offset, alpha);
    }
    return result;
  }
};
var QuaternionKeyframeTrack = class extends KeyframeTrack {
  InterpolantFactoryMethodLinear(result) {
    return new QuaternionLinearInterpolant(this.times, this.values, this.getValueSize(), result);
  }
};
QuaternionKeyframeTrack.prototype.ValueTypeName = "quaternion";
QuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;
QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0;
var StringKeyframeTrack = class extends KeyframeTrack {
};
StringKeyframeTrack.prototype.ValueTypeName = "string";
StringKeyframeTrack.prototype.ValueBufferType = Array;
StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;
StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0;
StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0;
var VectorKeyframeTrack = class extends KeyframeTrack {
};
VectorKeyframeTrack.prototype.ValueTypeName = "vector";
var AnimationClip = class {
  constructor(name, duration = -1, tracks, blendMode = NormalAnimationBlendMode) {
    this.name = name;
    this.tracks = tracks;
    this.duration = duration;
    this.blendMode = blendMode;
    this.uuid = generateUUID();
    if (this.duration < 0) {
      this.resetDuration();
    }
  }
  static parse(json) {
    const tracks = [], jsonTracks = json.tracks, frameTime = 1 / (json.fps || 1);
    for (let i = 0, n = jsonTracks.length; i !== n; ++i) {
      tracks.push(parseKeyframeTrack(jsonTracks[i]).scale(frameTime));
    }
    const clip = new this(json.name, json.duration, tracks, json.blendMode);
    clip.uuid = json.uuid;
    return clip;
  }
  static toJSON(clip) {
    const tracks = [], clipTracks = clip.tracks;
    const json = {
      "name": clip.name,
      "duration": clip.duration,
      "tracks": tracks,
      "uuid": clip.uuid,
      "blendMode": clip.blendMode
    };
    for (let i = 0, n = clipTracks.length; i !== n; ++i) {
      tracks.push(KeyframeTrack.toJSON(clipTracks[i]));
    }
    return json;
  }
  static CreateFromMorphTargetSequence(name, morphTargetSequence, fps, noLoop) {
    const numMorphTargets = morphTargetSequence.length;
    const tracks = [];
    for (let i = 0; i < numMorphTargets; i++) {
      let times = [];
      let values = [];
      times.push((i + numMorphTargets - 1) % numMorphTargets, i, (i + 1) % numMorphTargets);
      values.push(0, 1, 0);
      const order = AnimationUtils.getKeyframeOrder(times);
      times = AnimationUtils.sortedArray(times, 1, order);
      values = AnimationUtils.sortedArray(values, 1, order);
      if (!noLoop && times[0] === 0) {
        times.push(numMorphTargets);
        values.push(values[0]);
      }
      tracks.push(new NumberKeyframeTrack(".morphTargetInfluences[" + morphTargetSequence[i].name + "]", times, values).scale(1 / fps));
    }
    return new this(name, -1, tracks);
  }
  static findByName(objectOrClipArray, name) {
    let clipArray = objectOrClipArray;
    if (!Array.isArray(objectOrClipArray)) {
      const o = objectOrClipArray;
      clipArray = o.geometry && o.geometry.animations || o.animations;
    }
    for (let i = 0; i < clipArray.length; i++) {
      if (clipArray[i].name === name) {
        return clipArray[i];
      }
    }
    return null;
  }
  static CreateClipsFromMorphTargetSequences(morphTargets, fps, noLoop) {
    const animationToMorphTargets = {};
    const pattern = /^([\w-]*?)([\d]+)$/;
    for (let i = 0, il = morphTargets.length; i < il; i++) {
      const morphTarget = morphTargets[i];
      const parts = morphTarget.name.match(pattern);
      if (parts && parts.length > 1) {
        const name = parts[1];
        let animationMorphTargets = animationToMorphTargets[name];
        if (!animationMorphTargets) {
          animationToMorphTargets[name] = animationMorphTargets = [];
        }
        animationMorphTargets.push(morphTarget);
      }
    }
    const clips = [];
    for (const name in animationToMorphTargets) {
      clips.push(this.CreateFromMorphTargetSequence(name, animationToMorphTargets[name], fps, noLoop));
    }
    return clips;
  }
  static parseAnimation(animation, bones) {
    if (!animation) {
      console.error("THREE.AnimationClip: No animation in JSONLoader data.");
      return null;
    }
    const addNonemptyTrack = function(trackType, trackName, animationKeys, propertyName, destTracks) {
      if (animationKeys.length !== 0) {
        const times = [];
        const values = [];
        AnimationUtils.flattenJSON(animationKeys, times, values, propertyName);
        if (times.length !== 0) {
          destTracks.push(new trackType(trackName, times, values));
        }
      }
    };
    const tracks = [];
    const clipName = animation.name || "default";
    const fps = animation.fps || 30;
    const blendMode = animation.blendMode;
    let duration = animation.length || -1;
    const hierarchyTracks = animation.hierarchy || [];
    for (let h = 0; h < hierarchyTracks.length; h++) {
      const animationKeys = hierarchyTracks[h].keys;
      if (!animationKeys || animationKeys.length === 0)
        continue;
      if (animationKeys[0].morphTargets) {
        const morphTargetNames = {};
        let k;
        for (k = 0; k < animationKeys.length; k++) {
          if (animationKeys[k].morphTargets) {
            for (let m = 0; m < animationKeys[k].morphTargets.length; m++) {
              morphTargetNames[animationKeys[k].morphTargets[m]] = -1;
            }
          }
        }
        for (const morphTargetName in morphTargetNames) {
          const times = [];
          const values = [];
          for (let m = 0; m !== animationKeys[k].morphTargets.length; ++m) {
            const animationKey = animationKeys[k];
            times.push(animationKey.time);
            values.push(animationKey.morphTarget === morphTargetName ? 1 : 0);
          }
          tracks.push(new NumberKeyframeTrack(".morphTargetInfluence[" + morphTargetName + "]", times, values));
        }
        duration = morphTargetNames.length * (fps || 1);
      } else {
        const boneName = ".bones[" + bones[h].name + "]";
        addNonemptyTrack(VectorKeyframeTrack, boneName + ".position", animationKeys, "pos", tracks);
        addNonemptyTrack(QuaternionKeyframeTrack, boneName + ".quaternion", animationKeys, "rot", tracks);
        addNonemptyTrack(VectorKeyframeTrack, boneName + ".scale", animationKeys, "scl", tracks);
      }
    }
    if (tracks.length === 0) {
      return null;
    }
    const clip = new this(clipName, duration, tracks, blendMode);
    return clip;
  }
  resetDuration() {
    const tracks = this.tracks;
    let duration = 0;
    for (let i = 0, n = tracks.length; i !== n; ++i) {
      const track = this.tracks[i];
      duration = Math.max(duration, track.times[track.times.length - 1]);
    }
    this.duration = duration;
    return this;
  }
  trim() {
    for (let i = 0; i < this.tracks.length; i++) {
      this.tracks[i].trim(0, this.duration);
    }
    return this;
  }
  validate() {
    let valid = true;
    for (let i = 0; i < this.tracks.length; i++) {
      valid = valid && this.tracks[i].validate();
    }
    return valid;
  }
  optimize() {
    for (let i = 0; i < this.tracks.length; i++) {
      this.tracks[i].optimize();
    }
    return this;
  }
  clone() {
    const tracks = [];
    for (let i = 0; i < this.tracks.length; i++) {
      tracks.push(this.tracks[i].clone());
    }
    return new this.constructor(this.name, this.duration, tracks, this.blendMode);
  }
  toJSON() {
    return this.constructor.toJSON(this);
  }
};
function getTrackTypeForValueTypeName(typeName) {
  switch (typeName.toLowerCase()) {
    case "scalar":
    case "double":
    case "float":
    case "number":
    case "integer":
      return NumberKeyframeTrack;
    case "vector":
    case "vector2":
    case "vector3":
    case "vector4":
      return VectorKeyframeTrack;
    case "color":
      return ColorKeyframeTrack;
    case "quaternion":
      return QuaternionKeyframeTrack;
    case "bool":
    case "boolean":
      return BooleanKeyframeTrack;
    case "string":
      return StringKeyframeTrack;
  }
  throw new Error("THREE.KeyframeTrack: Unsupported typeName: " + typeName);
}
function parseKeyframeTrack(json) {
  if (json.type === void 0) {
    throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");
  }
  const trackType = getTrackTypeForValueTypeName(json.type);
  if (json.times === void 0) {
    const times = [], values = [];
    AnimationUtils.flattenJSON(json.keys, times, values, "value");
    json.times = times;
    json.values = values;
  }
  if (trackType.parse !== void 0) {
    return trackType.parse(json);
  } else {
    return new trackType(json.name, json.times, json.values, json.interpolation);
  }
}
var Cache = {
  enabled: false,
  files: {},
  add: function(key, file) {
    if (this.enabled === false)
      return;
    this.files[key] = file;
  },
  get: function(key) {
    if (this.enabled === false)
      return;
    return this.files[key];
  },
  remove: function(key) {
    delete this.files[key];
  },
  clear: function() {
    this.files = {};
  }
};
var LoadingManager = class {
  constructor(onLoad, onProgress, onError) {
    const scope = this;
    let isLoading = false;
    let itemsLoaded = 0;
    let itemsTotal = 0;
    let urlModifier = void 0;
    const handlers = [];
    this.onStart = void 0;
    this.onLoad = onLoad;
    this.onProgress = onProgress;
    this.onError = onError;
    this.itemStart = function(url) {
      itemsTotal++;
      if (isLoading === false) {
        if (scope.onStart !== void 0) {
          scope.onStart(url, itemsLoaded, itemsTotal);
        }
      }
      isLoading = true;
    };
    this.itemEnd = function(url) {
      itemsLoaded++;
      if (scope.onProgress !== void 0) {
        scope.onProgress(url, itemsLoaded, itemsTotal);
      }
      if (itemsLoaded === itemsTotal) {
        isLoading = false;
        if (scope.onLoad !== void 0) {
          scope.onLoad();
        }
      }
    };
    this.itemError = function(url) {
      if (scope.onError !== void 0) {
        scope.onError(url);
      }
    };
    this.resolveURL = function(url) {
      if (urlModifier) {
        return urlModifier(url);
      }
      return url;
    };
    this.setURLModifier = function(transform) {
      urlModifier = transform;
      return this;
    };
    this.addHandler = function(regex, loader) {
      handlers.push(regex, loader);
      return this;
    };
    this.removeHandler = function(regex) {
      const index = handlers.indexOf(regex);
      if (index !== -1) {
        handlers.splice(index, 2);
      }
      return this;
    };
    this.getHandler = function(file) {
      for (let i = 0, l = handlers.length; i < l; i += 2) {
        const regex = handlers[i];
        const loader = handlers[i + 1];
        if (regex.global)
          regex.lastIndex = 0;
        if (regex.test(file)) {
          return loader;
        }
      }
      return null;
    };
  }
};
var DefaultLoadingManager = new LoadingManager();
var Loader = class {
  constructor(manager) {
    this.manager = manager !== void 0 ? manager : DefaultLoadingManager;
    this.crossOrigin = "anonymous";
    this.withCredentials = false;
    this.path = "";
    this.resourcePath = "";
    this.requestHeader = {};
  }
  load() {
  }
  loadAsync(url, onProgress) {
    const scope = this;
    return new Promise(function(resolve2, reject2) {
      scope.load(url, resolve2, onProgress, reject2);
    });
  }
  parse() {
  }
  setCrossOrigin(crossOrigin) {
    this.crossOrigin = crossOrigin;
    return this;
  }
  setWithCredentials(value) {
    this.withCredentials = value;
    return this;
  }
  setPath(path) {
    this.path = path;
    return this;
  }
  setResourcePath(resourcePath) {
    this.resourcePath = resourcePath;
    return this;
  }
  setRequestHeader(requestHeader) {
    this.requestHeader = requestHeader;
    return this;
  }
};
var loading = {};
var FileLoader = class extends Loader {
  constructor(manager) {
    super(manager);
  }
  load(url, onLoad, onProgress, onError) {
    if (url === void 0)
      url = "";
    if (this.path !== void 0)
      url = this.path + url;
    url = this.manager.resolveURL(url);
    const scope = this;
    const cached = Cache.get(url);
    if (cached !== void 0) {
      scope.manager.itemStart(url);
      setTimeout(function() {
        if (onLoad)
          onLoad(cached);
        scope.manager.itemEnd(url);
      }, 0);
      return cached;
    }
    if (loading[url] !== void 0) {
      loading[url].push({
        onLoad,
        onProgress,
        onError
      });
      return;
    }
    const dataUriRegex = /^data:(.*?)(;base64)?,(.*)$/;
    const dataUriRegexResult = url.match(dataUriRegex);
    let request;
    if (dataUriRegexResult) {
      const mimeType = dataUriRegexResult[1];
      const isBase64 = !!dataUriRegexResult[2];
      let data = dataUriRegexResult[3];
      data = decodeURIComponent(data);
      if (isBase64)
        data = atob(data);
      try {
        let response;
        const responseType = (this.responseType || "").toLowerCase();
        switch (responseType) {
          case "arraybuffer":
          case "blob":
            const view = new Uint8Array(data.length);
            for (let i = 0; i < data.length; i++) {
              view[i] = data.charCodeAt(i);
            }
            if (responseType === "blob") {
              response = new Blob([view.buffer], { type: mimeType });
            } else {
              response = view.buffer;
            }
            break;
          case "document":
            const parser = new DOMParser();
            response = parser.parseFromString(data, mimeType);
            break;
          case "json":
            response = JSON.parse(data);
            break;
          default:
            response = data;
            break;
        }
        setTimeout(function() {
          if (onLoad)
            onLoad(response);
          scope.manager.itemEnd(url);
        }, 0);
      } catch (error) {
        setTimeout(function() {
          if (onError)
            onError(error);
          scope.manager.itemError(url);
          scope.manager.itemEnd(url);
        }, 0);
      }
    } else {
      loading[url] = [];
      loading[url].push({
        onLoad,
        onProgress,
        onError
      });
      request = new XMLHttpRequest();
      request.open("GET", url, true);
      request.addEventListener("load", function(event) {
        const response = this.response;
        const callbacks = loading[url];
        delete loading[url];
        if (this.status === 200 || this.status === 0) {
          if (this.status === 0)
            console.warn("THREE.FileLoader: HTTP Status 0 received.");
          Cache.add(url, response);
          for (let i = 0, il = callbacks.length; i < il; i++) {
            const callback = callbacks[i];
            if (callback.onLoad)
              callback.onLoad(response);
          }
          scope.manager.itemEnd(url);
        } else {
          for (let i = 0, il = callbacks.length; i < il; i++) {
            const callback = callbacks[i];
            if (callback.onError)
              callback.onError(event);
          }
          scope.manager.itemError(url);
          scope.manager.itemEnd(url);
        }
      }, false);
      request.addEventListener("progress", function(event) {
        const callbacks = loading[url];
        for (let i = 0, il = callbacks.length; i < il; i++) {
          const callback = callbacks[i];
          if (callback.onProgress)
            callback.onProgress(event);
        }
      }, false);
      request.addEventListener("error", function(event) {
        const callbacks = loading[url];
        delete loading[url];
        for (let i = 0, il = callbacks.length; i < il; i++) {
          const callback = callbacks[i];
          if (callback.onError)
            callback.onError(event);
        }
        scope.manager.itemError(url);
        scope.manager.itemEnd(url);
      }, false);
      request.addEventListener("abort", function(event) {
        const callbacks = loading[url];
        delete loading[url];
        for (let i = 0, il = callbacks.length; i < il; i++) {
          const callback = callbacks[i];
          if (callback.onError)
            callback.onError(event);
        }
        scope.manager.itemError(url);
        scope.manager.itemEnd(url);
      }, false);
      if (this.responseType !== void 0)
        request.responseType = this.responseType;
      if (this.withCredentials !== void 0)
        request.withCredentials = this.withCredentials;
      if (request.overrideMimeType)
        request.overrideMimeType(this.mimeType !== void 0 ? this.mimeType : "text/plain");
      for (const header in this.requestHeader) {
        request.setRequestHeader(header, this.requestHeader[header]);
      }
      request.send(null);
    }
    scope.manager.itemStart(url);
    return request;
  }
  setResponseType(value) {
    this.responseType = value;
    return this;
  }
  setMimeType(value) {
    this.mimeType = value;
    return this;
  }
};
var ImageLoader = class extends Loader {
  constructor(manager) {
    super(manager);
  }
  load(url, onLoad, onProgress, onError) {
    if (this.path !== void 0)
      url = this.path + url;
    url = this.manager.resolveURL(url);
    const scope = this;
    const cached = Cache.get(url);
    if (cached !== void 0) {
      scope.manager.itemStart(url);
      setTimeout(function() {
        if (onLoad)
          onLoad(cached);
        scope.manager.itemEnd(url);
      }, 0);
      return cached;
    }
    const image = document.createElementNS("http://www.w3.org/1999/xhtml", "img");
    function onImageLoad() {
      image.removeEventListener("load", onImageLoad, false);
      image.removeEventListener("error", onImageError, false);
      Cache.add(url, this);
      if (onLoad)
        onLoad(this);
      scope.manager.itemEnd(url);
    }
    function onImageError(event) {
      image.removeEventListener("load", onImageLoad, false);
      image.removeEventListener("error", onImageError, false);
      if (onError)
        onError(event);
      scope.manager.itemError(url);
      scope.manager.itemEnd(url);
    }
    image.addEventListener("load", onImageLoad, false);
    image.addEventListener("error", onImageError, false);
    if (url.substr(0, 5) !== "data:") {
      if (this.crossOrigin !== void 0)
        image.crossOrigin = this.crossOrigin;
    }
    scope.manager.itemStart(url);
    image.src = url;
    return image;
  }
};
var CubeTextureLoader = class extends Loader {
  constructor(manager) {
    super(manager);
  }
  load(urls, onLoad, onProgress, onError) {
    const texture = new CubeTexture();
    const loader = new ImageLoader(this.manager);
    loader.setCrossOrigin(this.crossOrigin);
    loader.setPath(this.path);
    let loaded2 = 0;
    function loadTexture(i) {
      loader.load(urls[i], function(image) {
        texture.images[i] = image;
        loaded2++;
        if (loaded2 === 6) {
          texture.needsUpdate = true;
          if (onLoad)
            onLoad(texture);
        }
      }, void 0, onError);
    }
    for (let i = 0; i < urls.length; ++i) {
      loadTexture(i);
    }
    return texture;
  }
};
var TextureLoader = class extends Loader {
  constructor(manager) {
    super(manager);
  }
  load(url, onLoad, onProgress, onError) {
    const texture = new Texture();
    const loader = new ImageLoader(this.manager);
    loader.setCrossOrigin(this.crossOrigin);
    loader.setPath(this.path);
    loader.load(url, function(image) {
      texture.image = image;
      const isJPEG = url.search(/\.jpe?g($|\?)/i) > 0 || url.search(/^data\:image\/jpeg/) === 0;
      texture.format = isJPEG ? RGBFormat : RGBAFormat;
      texture.needsUpdate = true;
      if (onLoad !== void 0) {
        onLoad(texture);
      }
    }, onProgress, onError);
    return texture;
  }
};
var CurvePath = class extends Curve {
  constructor() {
    super();
    this.type = "CurvePath";
    this.curves = [];
    this.autoClose = false;
  }
  add(curve) {
    this.curves.push(curve);
  }
  closePath() {
    const startPoint = this.curves[0].getPoint(0);
    const endPoint = this.curves[this.curves.length - 1].getPoint(1);
    if (!startPoint.equals(endPoint)) {
      this.curves.push(new LineCurve(endPoint, startPoint));
    }
  }
  getPoint(t) {
    const d = t * this.getLength();
    const curveLengths = this.getCurveLengths();
    let i = 0;
    while (i < curveLengths.length) {
      if (curveLengths[i] >= d) {
        const diff = curveLengths[i] - d;
        const curve = this.curves[i];
        const segmentLength = curve.getLength();
        const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;
        return curve.getPointAt(u);
      }
      i++;
    }
    return null;
  }
  getLength() {
    const lens = this.getCurveLengths();
    return lens[lens.length - 1];
  }
  updateArcLengths() {
    this.needsUpdate = true;
    this.cacheLengths = null;
    this.getCurveLengths();
  }
  getCurveLengths() {
    if (this.cacheLengths && this.cacheLengths.length === this.curves.length) {
      return this.cacheLengths;
    }
    const lengths = [];
    let sums = 0;
    for (let i = 0, l = this.curves.length; i < l; i++) {
      sums += this.curves[i].getLength();
      lengths.push(sums);
    }
    this.cacheLengths = lengths;
    return lengths;
  }
  getSpacedPoints(divisions = 40) {
    const points = [];
    for (let i = 0; i <= divisions; i++) {
      points.push(this.getPoint(i / divisions));
    }
    if (this.autoClose) {
      points.push(points[0]);
    }
    return points;
  }
  getPoints(divisions = 12) {
    const points = [];
    let last;
    for (let i = 0, curves = this.curves; i < curves.length; i++) {
      const curve = curves[i];
      const resolution = curve && curve.isEllipseCurve ? divisions * 2 : curve && (curve.isLineCurve || curve.isLineCurve3) ? 1 : curve && curve.isSplineCurve ? divisions * curve.points.length : divisions;
      const pts = curve.getPoints(resolution);
      for (let j = 0; j < pts.length; j++) {
        const point = pts[j];
        if (last && last.equals(point))
          continue;
        points.push(point);
        last = point;
      }
    }
    if (this.autoClose && points.length > 1 && !points[points.length - 1].equals(points[0])) {
      points.push(points[0]);
    }
    return points;
  }
  copy(source) {
    super.copy(source);
    this.curves = [];
    for (let i = 0, l = source.curves.length; i < l; i++) {
      const curve = source.curves[i];
      this.curves.push(curve.clone());
    }
    this.autoClose = source.autoClose;
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.autoClose = this.autoClose;
    data.curves = [];
    for (let i = 0, l = this.curves.length; i < l; i++) {
      const curve = this.curves[i];
      data.curves.push(curve.toJSON());
    }
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.autoClose = json.autoClose;
    this.curves = [];
    for (let i = 0, l = json.curves.length; i < l; i++) {
      const curve = json.curves[i];
      this.curves.push(new Curves[curve.type]().fromJSON(curve));
    }
    return this;
  }
};
var Path = class extends CurvePath {
  constructor(points) {
    super();
    this.type = "Path";
    this.currentPoint = new Vector2();
    if (points) {
      this.setFromPoints(points);
    }
  }
  setFromPoints(points) {
    this.moveTo(points[0].x, points[0].y);
    for (let i = 1, l = points.length; i < l; i++) {
      this.lineTo(points[i].x, points[i].y);
    }
    return this;
  }
  moveTo(x, y) {
    this.currentPoint.set(x, y);
    return this;
  }
  lineTo(x, y) {
    const curve = new LineCurve(this.currentPoint.clone(), new Vector2(x, y));
    this.curves.push(curve);
    this.currentPoint.set(x, y);
    return this;
  }
  quadraticCurveTo(aCPx, aCPy, aX, aY) {
    const curve = new QuadraticBezierCurve(this.currentPoint.clone(), new Vector2(aCPx, aCPy), new Vector2(aX, aY));
    this.curves.push(curve);
    this.currentPoint.set(aX, aY);
    return this;
  }
  bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) {
    const curve = new CubicBezierCurve(this.currentPoint.clone(), new Vector2(aCP1x, aCP1y), new Vector2(aCP2x, aCP2y), new Vector2(aX, aY));
    this.curves.push(curve);
    this.currentPoint.set(aX, aY);
    return this;
  }
  splineThru(pts) {
    const npts = [this.currentPoint.clone()].concat(pts);
    const curve = new SplineCurve(npts);
    this.curves.push(curve);
    this.currentPoint.copy(pts[pts.length - 1]);
    return this;
  }
  arc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) {
    const x0 = this.currentPoint.x;
    const y0 = this.currentPoint.y;
    this.absarc(aX + x0, aY + y0, aRadius, aStartAngle, aEndAngle, aClockwise);
    return this;
  }
  absarc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) {
    this.absellipse(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise);
    return this;
  }
  ellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) {
    const x0 = this.currentPoint.x;
    const y0 = this.currentPoint.y;
    this.absellipse(aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation);
    return this;
  }
  absellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) {
    const curve = new EllipseCurve(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation);
    if (this.curves.length > 0) {
      const firstPoint = curve.getPoint(0);
      if (!firstPoint.equals(this.currentPoint)) {
        this.lineTo(firstPoint.x, firstPoint.y);
      }
    }
    this.curves.push(curve);
    const lastPoint = curve.getPoint(1);
    this.currentPoint.copy(lastPoint);
    return this;
  }
  copy(source) {
    super.copy(source);
    this.currentPoint.copy(source.currentPoint);
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.currentPoint = this.currentPoint.toArray();
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.currentPoint.fromArray(json.currentPoint);
    return this;
  }
};
var Shape = class extends Path {
  constructor(points) {
    super(points);
    this.uuid = generateUUID();
    this.type = "Shape";
    this.holes = [];
  }
  getPointsHoles(divisions) {
    const holesPts = [];
    for (let i = 0, l = this.holes.length; i < l; i++) {
      holesPts[i] = this.holes[i].getPoints(divisions);
    }
    return holesPts;
  }
  extractPoints(divisions) {
    return {
      shape: this.getPoints(divisions),
      holes: this.getPointsHoles(divisions)
    };
  }
  copy(source) {
    super.copy(source);
    this.holes = [];
    for (let i = 0, l = source.holes.length; i < l; i++) {
      const hole = source.holes[i];
      this.holes.push(hole.clone());
    }
    return this;
  }
  toJSON() {
    const data = super.toJSON();
    data.uuid = this.uuid;
    data.holes = [];
    for (let i = 0, l = this.holes.length; i < l; i++) {
      const hole = this.holes[i];
      data.holes.push(hole.toJSON());
    }
    return data;
  }
  fromJSON(json) {
    super.fromJSON(json);
    this.uuid = json.uuid;
    this.holes = [];
    for (let i = 0, l = json.holes.length; i < l; i++) {
      const hole = json.holes[i];
      this.holes.push(new Path().fromJSON(hole));
    }
    return this;
  }
};
var Light = class extends Object3D {
  constructor(color, intensity = 1) {
    super();
    this.type = "Light";
    this.color = new Color(color);
    this.intensity = intensity;
  }
  dispose() {
  }
  copy(source) {
    super.copy(source);
    this.color.copy(source.color);
    this.intensity = source.intensity;
    return this;
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.object.color = this.color.getHex();
    data.object.intensity = this.intensity;
    if (this.groundColor !== void 0)
      data.object.groundColor = this.groundColor.getHex();
    if (this.distance !== void 0)
      data.object.distance = this.distance;
    if (this.angle !== void 0)
      data.object.angle = this.angle;
    if (this.decay !== void 0)
      data.object.decay = this.decay;
    if (this.penumbra !== void 0)
      data.object.penumbra = this.penumbra;
    if (this.shadow !== void 0)
      data.object.shadow = this.shadow.toJSON();
    return data;
  }
};
Light.prototype.isLight = true;
var HemisphereLight = class extends Light {
  constructor(skyColor, groundColor, intensity) {
    super(skyColor, intensity);
    this.type = "HemisphereLight";
    this.position.copy(Object3D.DefaultUp);
    this.updateMatrix();
    this.groundColor = new Color(groundColor);
  }
  copy(source) {
    Light.prototype.copy.call(this, source);
    this.groundColor.copy(source.groundColor);
    return this;
  }
};
HemisphereLight.prototype.isHemisphereLight = true;
var _projScreenMatrix$1 = /* @__PURE__ */ new Matrix4();
var _lightPositionWorld$1 = /* @__PURE__ */ new Vector3();
var _lookTarget$1 = /* @__PURE__ */ new Vector3();
var LightShadow = class {
  constructor(camera) {
    this.camera = camera;
    this.bias = 0;
    this.normalBias = 0;
    this.radius = 1;
    this.blurSamples = 8;
    this.mapSize = new Vector2(512, 512);
    this.map = null;
    this.mapPass = null;
    this.matrix = new Matrix4();
    this.autoUpdate = true;
    this.needsUpdate = false;
    this._frustum = new Frustum();
    this._frameExtents = new Vector2(1, 1);
    this._viewportCount = 1;
    this._viewports = [
      new Vector4(0, 0, 1, 1)
    ];
  }
  getViewportCount() {
    return this._viewportCount;
  }
  getFrustum() {
    return this._frustum;
  }
  updateMatrices(light) {
    const shadowCamera = this.camera;
    const shadowMatrix = this.matrix;
    _lightPositionWorld$1.setFromMatrixPosition(light.matrixWorld);
    shadowCamera.position.copy(_lightPositionWorld$1);
    _lookTarget$1.setFromMatrixPosition(light.target.matrixWorld);
    shadowCamera.lookAt(_lookTarget$1);
    shadowCamera.updateMatrixWorld();
    _projScreenMatrix$1.multiplyMatrices(shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse);
    this._frustum.setFromProjectionMatrix(_projScreenMatrix$1);
    shadowMatrix.set(0.5, 0, 0, 0.5, 0, 0.5, 0, 0.5, 0, 0, 0.5, 0.5, 0, 0, 0, 1);
    shadowMatrix.multiply(shadowCamera.projectionMatrix);
    shadowMatrix.multiply(shadowCamera.matrixWorldInverse);
  }
  getViewport(viewportIndex) {
    return this._viewports[viewportIndex];
  }
  getFrameExtents() {
    return this._frameExtents;
  }
  dispose() {
    if (this.map) {
      this.map.dispose();
    }
    if (this.mapPass) {
      this.mapPass.dispose();
    }
  }
  copy(source) {
    this.camera = source.camera.clone();
    this.bias = source.bias;
    this.radius = source.radius;
    this.mapSize.copy(source.mapSize);
    return this;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  toJSON() {
    const object = {};
    if (this.bias !== 0)
      object.bias = this.bias;
    if (this.normalBias !== 0)
      object.normalBias = this.normalBias;
    if (this.radius !== 1)
      object.radius = this.radius;
    if (this.mapSize.x !== 512 || this.mapSize.y !== 512)
      object.mapSize = this.mapSize.toArray();
    object.camera = this.camera.toJSON(false).object;
    delete object.camera.matrix;
    return object;
  }
};
var SpotLightShadow = class extends LightShadow {
  constructor() {
    super(new PerspectiveCamera(50, 1, 0.5, 500));
    this.focus = 1;
  }
  updateMatrices(light) {
    const camera = this.camera;
    const fov2 = RAD2DEG * 2 * light.angle * this.focus;
    const aspect2 = this.mapSize.width / this.mapSize.height;
    const far = light.distance || camera.far;
    if (fov2 !== camera.fov || aspect2 !== camera.aspect || far !== camera.far) {
      camera.fov = fov2;
      camera.aspect = aspect2;
      camera.far = far;
      camera.updateProjectionMatrix();
    }
    super.updateMatrices(light);
  }
  copy(source) {
    super.copy(source);
    this.focus = source.focus;
    return this;
  }
};
SpotLightShadow.prototype.isSpotLightShadow = true;
var SpotLight = class extends Light {
  constructor(color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1) {
    super(color, intensity);
    this.type = "SpotLight";
    this.position.copy(Object3D.DefaultUp);
    this.updateMatrix();
    this.target = new Object3D();
    this.distance = distance;
    this.angle = angle;
    this.penumbra = penumbra;
    this.decay = decay;
    this.shadow = new SpotLightShadow();
  }
  get power() {
    return this.intensity * Math.PI;
  }
  set power(power) {
    this.intensity = power / Math.PI;
  }
  dispose() {
    this.shadow.dispose();
  }
  copy(source) {
    super.copy(source);
    this.distance = source.distance;
    this.angle = source.angle;
    this.penumbra = source.penumbra;
    this.decay = source.decay;
    this.target = source.target.clone();
    this.shadow = source.shadow.clone();
    return this;
  }
};
SpotLight.prototype.isSpotLight = true;
var _projScreenMatrix = /* @__PURE__ */ new Matrix4();
var _lightPositionWorld = /* @__PURE__ */ new Vector3();
var _lookTarget = /* @__PURE__ */ new Vector3();
var PointLightShadow = class extends LightShadow {
  constructor() {
    super(new PerspectiveCamera(90, 1, 0.5, 500));
    this._frameExtents = new Vector2(4, 2);
    this._viewportCount = 6;
    this._viewports = [
      new Vector4(2, 1, 1, 1),
      new Vector4(0, 1, 1, 1),
      new Vector4(3, 1, 1, 1),
      new Vector4(1, 1, 1, 1),
      new Vector4(3, 0, 1, 1),
      new Vector4(1, 0, 1, 1)
    ];
    this._cubeDirections = [
      new Vector3(1, 0, 0),
      new Vector3(-1, 0, 0),
      new Vector3(0, 0, 1),
      new Vector3(0, 0, -1),
      new Vector3(0, 1, 0),
      new Vector3(0, -1, 0)
    ];
    this._cubeUps = [
      new Vector3(0, 1, 0),
      new Vector3(0, 1, 0),
      new Vector3(0, 1, 0),
      new Vector3(0, 1, 0),
      new Vector3(0, 0, 1),
      new Vector3(0, 0, -1)
    ];
  }
  updateMatrices(light, viewportIndex = 0) {
    const camera = this.camera;
    const shadowMatrix = this.matrix;
    const far = light.distance || camera.far;
    if (far !== camera.far) {
      camera.far = far;
      camera.updateProjectionMatrix();
    }
    _lightPositionWorld.setFromMatrixPosition(light.matrixWorld);
    camera.position.copy(_lightPositionWorld);
    _lookTarget.copy(camera.position);
    _lookTarget.add(this._cubeDirections[viewportIndex]);
    camera.up.copy(this._cubeUps[viewportIndex]);
    camera.lookAt(_lookTarget);
    camera.updateMatrixWorld();
    shadowMatrix.makeTranslation(-_lightPositionWorld.x, -_lightPositionWorld.y, -_lightPositionWorld.z);
    _projScreenMatrix.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse);
    this._frustum.setFromProjectionMatrix(_projScreenMatrix);
  }
};
PointLightShadow.prototype.isPointLightShadow = true;
var PointLight = class extends Light {
  constructor(color, intensity, distance = 0, decay = 1) {
    super(color, intensity);
    this.type = "PointLight";
    this.distance = distance;
    this.decay = decay;
    this.shadow = new PointLightShadow();
  }
  get power() {
    return this.intensity * 4 * Math.PI;
  }
  set power(power) {
    this.intensity = power / (4 * Math.PI);
  }
  dispose() {
    this.shadow.dispose();
  }
  copy(source) {
    super.copy(source);
    this.distance = source.distance;
    this.decay = source.decay;
    this.shadow = source.shadow.clone();
    return this;
  }
};
PointLight.prototype.isPointLight = true;
var DirectionalLightShadow = class extends LightShadow {
  constructor() {
    super(new OrthographicCamera(-5, 5, 5, -5, 0.5, 500));
  }
};
DirectionalLightShadow.prototype.isDirectionalLightShadow = true;
var DirectionalLight = class extends Light {
  constructor(color, intensity) {
    super(color, intensity);
    this.type = "DirectionalLight";
    this.position.copy(Object3D.DefaultUp);
    this.updateMatrix();
    this.target = new Object3D();
    this.shadow = new DirectionalLightShadow();
  }
  dispose() {
    this.shadow.dispose();
  }
  copy(source) {
    super.copy(source);
    this.target = source.target.clone();
    this.shadow = source.shadow.clone();
    return this;
  }
};
DirectionalLight.prototype.isDirectionalLight = true;
var AmbientLight = class extends Light {
  constructor(color, intensity) {
    super(color, intensity);
    this.type = "AmbientLight";
  }
};
AmbientLight.prototype.isAmbientLight = true;
var RectAreaLight = class extends Light {
  constructor(color, intensity, width = 10, height = 10) {
    super(color, intensity);
    this.type = "RectAreaLight";
    this.width = width;
    this.height = height;
  }
  get power() {
    return this.intensity * this.width * this.height * Math.PI;
  }
  set power(power) {
    this.intensity = power / (this.width * this.height * Math.PI);
  }
  copy(source) {
    super.copy(source);
    this.width = source.width;
    this.height = source.height;
    return this;
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.object.width = this.width;
    data.object.height = this.height;
    return data;
  }
};
RectAreaLight.prototype.isRectAreaLight = true;
var SphericalHarmonics3 = class {
  constructor() {
    this.coefficients = [];
    for (let i = 0; i < 9; i++) {
      this.coefficients.push(new Vector3());
    }
  }
  set(coefficients) {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].copy(coefficients[i]);
    }
    return this;
  }
  zero() {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].set(0, 0, 0);
    }
    return this;
  }
  getAt(normal, target) {
    const x = normal.x, y = normal.y, z = normal.z;
    const coeff = this.coefficients;
    target.copy(coeff[0]).multiplyScalar(0.282095);
    target.addScaledVector(coeff[1], 0.488603 * y);
    target.addScaledVector(coeff[2], 0.488603 * z);
    target.addScaledVector(coeff[3], 0.488603 * x);
    target.addScaledVector(coeff[4], 1.092548 * (x * y));
    target.addScaledVector(coeff[5], 1.092548 * (y * z));
    target.addScaledVector(coeff[6], 0.315392 * (3 * z * z - 1));
    target.addScaledVector(coeff[7], 1.092548 * (x * z));
    target.addScaledVector(coeff[8], 0.546274 * (x * x - y * y));
    return target;
  }
  getIrradianceAt(normal, target) {
    const x = normal.x, y = normal.y, z = normal.z;
    const coeff = this.coefficients;
    target.copy(coeff[0]).multiplyScalar(0.886227);
    target.addScaledVector(coeff[1], 2 * 0.511664 * y);
    target.addScaledVector(coeff[2], 2 * 0.511664 * z);
    target.addScaledVector(coeff[3], 2 * 0.511664 * x);
    target.addScaledVector(coeff[4], 2 * 0.429043 * x * y);
    target.addScaledVector(coeff[5], 2 * 0.429043 * y * z);
    target.addScaledVector(coeff[6], 0.743125 * z * z - 0.247708);
    target.addScaledVector(coeff[7], 2 * 0.429043 * x * z);
    target.addScaledVector(coeff[8], 0.429043 * (x * x - y * y));
    return target;
  }
  add(sh) {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].add(sh.coefficients[i]);
    }
    return this;
  }
  addScaledSH(sh, s) {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].addScaledVector(sh.coefficients[i], s);
    }
    return this;
  }
  scale(s) {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].multiplyScalar(s);
    }
    return this;
  }
  lerp(sh, alpha) {
    for (let i = 0; i < 9; i++) {
      this.coefficients[i].lerp(sh.coefficients[i], alpha);
    }
    return this;
  }
  equals(sh) {
    for (let i = 0; i < 9; i++) {
      if (!this.coefficients[i].equals(sh.coefficients[i])) {
        return false;
      }
    }
    return true;
  }
  copy(sh) {
    return this.set(sh.coefficients);
  }
  clone() {
    return new this.constructor().copy(this);
  }
  fromArray(array, offset = 0) {
    const coefficients = this.coefficients;
    for (let i = 0; i < 9; i++) {
      coefficients[i].fromArray(array, offset + i * 3);
    }
    return this;
  }
  toArray(array = [], offset = 0) {
    const coefficients = this.coefficients;
    for (let i = 0; i < 9; i++) {
      coefficients[i].toArray(array, offset + i * 3);
    }
    return array;
  }
  static getBasisAt(normal, shBasis) {
    const x = normal.x, y = normal.y, z = normal.z;
    shBasis[0] = 0.282095;
    shBasis[1] = 0.488603 * y;
    shBasis[2] = 0.488603 * z;
    shBasis[3] = 0.488603 * x;
    shBasis[4] = 1.092548 * x * y;
    shBasis[5] = 1.092548 * y * z;
    shBasis[6] = 0.315392 * (3 * z * z - 1);
    shBasis[7] = 1.092548 * x * z;
    shBasis[8] = 0.546274 * (x * x - y * y);
  }
};
SphericalHarmonics3.prototype.isSphericalHarmonics3 = true;
var LightProbe = class extends Light {
  constructor(sh = new SphericalHarmonics3(), intensity = 1) {
    super(void 0, intensity);
    this.sh = sh;
  }
  copy(source) {
    super.copy(source);
    this.sh.copy(source.sh);
    return this;
  }
  fromJSON(json) {
    this.intensity = json.intensity;
    this.sh.fromArray(json.sh);
    return this;
  }
  toJSON(meta) {
    const data = super.toJSON(meta);
    data.object.sh = this.sh.toArray();
    return data;
  }
};
LightProbe.prototype.isLightProbe = true;
var LoaderUtils = class {
  static decodeText(array) {
    if (typeof TextDecoder !== "undefined") {
      return new TextDecoder().decode(array);
    }
    let s = "";
    for (let i = 0, il = array.length; i < il; i++) {
      s += String.fromCharCode(array[i]);
    }
    try {
      return decodeURIComponent(escape(s));
    } catch (e) {
      return s;
    }
  }
  static extractUrlBase(url) {
    const index = url.lastIndexOf("/");
    if (index === -1)
      return "./";
    return url.substr(0, index + 1);
  }
};
var InstancedBufferGeometry = class extends BufferGeometry {
  constructor() {
    super();
    this.type = "InstancedBufferGeometry";
    this.instanceCount = Infinity;
  }
  copy(source) {
    super.copy(source);
    this.instanceCount = source.instanceCount;
    return this;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  toJSON() {
    const data = super.toJSON(this);
    data.instanceCount = this.instanceCount;
    data.isInstancedBufferGeometry = true;
    return data;
  }
};
InstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;
var ImageBitmapLoader = class extends Loader {
  constructor(manager) {
    super(manager);
    if (typeof createImageBitmap === "undefined") {
      console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported.");
    }
    if (typeof fetch === "undefined") {
      console.warn("THREE.ImageBitmapLoader: fetch() not supported.");
    }
    this.options = { premultiplyAlpha: "none" };
  }
  setOptions(options) {
    this.options = options;
    return this;
  }
  load(url, onLoad, onProgress, onError) {
    if (url === void 0)
      url = "";
    if (this.path !== void 0)
      url = this.path + url;
    url = this.manager.resolveURL(url);
    const scope = this;
    const cached = Cache.get(url);
    if (cached !== void 0) {
      scope.manager.itemStart(url);
      setTimeout(function() {
        if (onLoad)
          onLoad(cached);
        scope.manager.itemEnd(url);
      }, 0);
      return cached;
    }
    const fetchOptions = {};
    fetchOptions.credentials = this.crossOrigin === "anonymous" ? "same-origin" : "include";
    fetchOptions.headers = this.requestHeader;
    fetch(url, fetchOptions).then(function(res) {
      return res.blob();
    }).then(function(blob) {
      return createImageBitmap(blob, Object.assign(scope.options, { colorSpaceConversion: "none" }));
    }).then(function(imageBitmap) {
      Cache.add(url, imageBitmap);
      if (onLoad)
        onLoad(imageBitmap);
      scope.manager.itemEnd(url);
    }).catch(function(e) {
      if (onError)
        onError(e);
      scope.manager.itemError(url);
      scope.manager.itemEnd(url);
    });
    scope.manager.itemStart(url);
  }
};
ImageBitmapLoader.prototype.isImageBitmapLoader = true;
var ShapePath = class {
  constructor() {
    this.type = "ShapePath";
    this.color = new Color();
    this.subPaths = [];
    this.currentPath = null;
  }
  moveTo(x, y) {
    this.currentPath = new Path();
    this.subPaths.push(this.currentPath);
    this.currentPath.moveTo(x, y);
    return this;
  }
  lineTo(x, y) {
    this.currentPath.lineTo(x, y);
    return this;
  }
  quadraticCurveTo(aCPx, aCPy, aX, aY) {
    this.currentPath.quadraticCurveTo(aCPx, aCPy, aX, aY);
    return this;
  }
  bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) {
    this.currentPath.bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY);
    return this;
  }
  splineThru(pts) {
    this.currentPath.splineThru(pts);
    return this;
  }
  toShapes(isCCW, noHoles) {
    function toShapesNoHoles(inSubpaths) {
      const shapes2 = [];
      for (let i = 0, l = inSubpaths.length; i < l; i++) {
        const tmpPath2 = inSubpaths[i];
        const tmpShape2 = new Shape();
        tmpShape2.curves = tmpPath2.curves;
        shapes2.push(tmpShape2);
      }
      return shapes2;
    }
    function isPointInsidePolygon(inPt, inPolygon) {
      const polyLen = inPolygon.length;
      let inside = false;
      for (let p2 = polyLen - 1, q = 0; q < polyLen; p2 = q++) {
        let edgeLowPt = inPolygon[p2];
        let edgeHighPt = inPolygon[q];
        let edgeDx = edgeHighPt.x - edgeLowPt.x;
        let edgeDy = edgeHighPt.y - edgeLowPt.y;
        if (Math.abs(edgeDy) > Number.EPSILON) {
          if (edgeDy < 0) {
            edgeLowPt = inPolygon[q];
            edgeDx = -edgeDx;
            edgeHighPt = inPolygon[p2];
            edgeDy = -edgeDy;
          }
          if (inPt.y < edgeLowPt.y || inPt.y > edgeHighPt.y)
            continue;
          if (inPt.y === edgeLowPt.y) {
            if (inPt.x === edgeLowPt.x)
              return true;
          } else {
            const perpEdge = edgeDy * (inPt.x - edgeLowPt.x) - edgeDx * (inPt.y - edgeLowPt.y);
            if (perpEdge === 0)
              return true;
            if (perpEdge < 0)
              continue;
            inside = !inside;
          }
        } else {
          if (inPt.y !== edgeLowPt.y)
            continue;
          if (edgeHighPt.x <= inPt.x && inPt.x <= edgeLowPt.x || edgeLowPt.x <= inPt.x && inPt.x <= edgeHighPt.x)
            return true;
        }
      }
      return inside;
    }
    const isClockWise = ShapeUtils.isClockWise;
    const subPaths = this.subPaths;
    if (subPaths.length === 0)
      return [];
    if (noHoles === true)
      return toShapesNoHoles(subPaths);
    let solid, tmpPath, tmpShape;
    const shapes = [];
    if (subPaths.length === 1) {
      tmpPath = subPaths[0];
      tmpShape = new Shape();
      tmpShape.curves = tmpPath.curves;
      shapes.push(tmpShape);
      return shapes;
    }
    let holesFirst = !isClockWise(subPaths[0].getPoints());
    holesFirst = isCCW ? !holesFirst : holesFirst;
    const betterShapeHoles = [];
    const newShapes = [];
    let newShapeHoles = [];
    let mainIdx = 0;
    let tmpPoints;
    newShapes[mainIdx] = void 0;
    newShapeHoles[mainIdx] = [];
    for (let i = 0, l = subPaths.length; i < l; i++) {
      tmpPath = subPaths[i];
      tmpPoints = tmpPath.getPoints();
      solid = isClockWise(tmpPoints);
      solid = isCCW ? !solid : solid;
      if (solid) {
        if (!holesFirst && newShapes[mainIdx])
          mainIdx++;
        newShapes[mainIdx] = { s: new Shape(), p: tmpPoints };
        newShapes[mainIdx].s.curves = tmpPath.curves;
        if (holesFirst)
          mainIdx++;
        newShapeHoles[mainIdx] = [];
      } else {
        newShapeHoles[mainIdx].push({ h: tmpPath, p: tmpPoints[0] });
      }
    }
    if (!newShapes[0])
      return toShapesNoHoles(subPaths);
    if (newShapes.length > 1) {
      let ambiguous = false;
      const toChange = [];
      for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) {
        betterShapeHoles[sIdx] = [];
      }
      for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) {
        const sho = newShapeHoles[sIdx];
        for (let hIdx = 0; hIdx < sho.length; hIdx++) {
          const ho = sho[hIdx];
          let hole_unassigned = true;
          for (let s2Idx = 0; s2Idx < newShapes.length; s2Idx++) {
            if (isPointInsidePolygon(ho.p, newShapes[s2Idx].p)) {
              if (sIdx !== s2Idx)
                toChange.push({ froms: sIdx, tos: s2Idx, hole: hIdx });
              if (hole_unassigned) {
                hole_unassigned = false;
                betterShapeHoles[s2Idx].push(ho);
              } else {
                ambiguous = true;
              }
            }
          }
          if (hole_unassigned) {
            betterShapeHoles[sIdx].push(ho);
          }
        }
      }
      if (toChange.length > 0) {
        if (!ambiguous)
          newShapeHoles = betterShapeHoles;
      }
    }
    let tmpHoles;
    for (let i = 0, il = newShapes.length; i < il; i++) {
      tmpShape = newShapes[i].s;
      shapes.push(tmpShape);
      tmpHoles = newShapeHoles[i];
      for (let j = 0, jl = tmpHoles.length; j < jl; j++) {
        tmpShape.holes.push(tmpHoles[j].h);
      }
    }
    return shapes;
  }
};
var Font = class {
  constructor(data) {
    this.type = "Font";
    this.data = data;
  }
  generateShapes(text, size = 100) {
    const shapes = [];
    const paths = createPaths(text, size, this.data);
    for (let p2 = 0, pl = paths.length; p2 < pl; p2++) {
      Array.prototype.push.apply(shapes, paths[p2].toShapes());
    }
    return shapes;
  }
};
function createPaths(text, size, data) {
  const chars = Array.from(text);
  const scale = size / data.resolution;
  const line_height = (data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness) * scale;
  const paths = [];
  let offsetX = 0, offsetY = 0;
  for (let i = 0; i < chars.length; i++) {
    const char = chars[i];
    if (char === "\n") {
      offsetX = 0;
      offsetY -= line_height;
    } else {
      const ret = createPath(char, scale, offsetX, offsetY, data);
      offsetX += ret.offsetX;
      paths.push(ret.path);
    }
  }
  return paths;
}
function createPath(char, scale, offsetX, offsetY, data) {
  const glyph = data.glyphs[char] || data.glyphs["?"];
  if (!glyph) {
    console.error('THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + ".");
    return;
  }
  const path = new ShapePath();
  let x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2;
  if (glyph.o) {
    const outline = glyph._cachedOutline || (glyph._cachedOutline = glyph.o.split(" "));
    for (let i = 0, l = outline.length; i < l; ) {
      const action = outline[i++];
      switch (action) {
        case "m":
          x = outline[i++] * scale + offsetX;
          y = outline[i++] * scale + offsetY;
          path.moveTo(x, y);
          break;
        case "l":
          x = outline[i++] * scale + offsetX;
          y = outline[i++] * scale + offsetY;
          path.lineTo(x, y);
          break;
        case "q":
          cpx = outline[i++] * scale + offsetX;
          cpy = outline[i++] * scale + offsetY;
          cpx1 = outline[i++] * scale + offsetX;
          cpy1 = outline[i++] * scale + offsetY;
          path.quadraticCurveTo(cpx1, cpy1, cpx, cpy);
          break;
        case "b":
          cpx = outline[i++] * scale + offsetX;
          cpy = outline[i++] * scale + offsetY;
          cpx1 = outline[i++] * scale + offsetX;
          cpy1 = outline[i++] * scale + offsetY;
          cpx2 = outline[i++] * scale + offsetX;
          cpy2 = outline[i++] * scale + offsetY;
          path.bezierCurveTo(cpx1, cpy1, cpx2, cpy2, cpx, cpy);
          break;
      }
    }
  }
  return { offsetX: glyph.ha * scale, path };
}
Font.prototype.isFont = true;
var _context;
var AudioContext = {
  getContext: function() {
    if (_context === void 0) {
      _context = new (window.AudioContext || window.webkitAudioContext)();
    }
    return _context;
  },
  setContext: function(value) {
    _context = value;
  }
};
var AudioLoader = class extends Loader {
  constructor(manager) {
    super(manager);
  }
  load(url, onLoad, onProgress, onError) {
    const scope = this;
    const loader = new FileLoader(this.manager);
    loader.setResponseType("arraybuffer");
    loader.setPath(this.path);
    loader.setRequestHeader(this.requestHeader);
    loader.setWithCredentials(this.withCredentials);
    loader.load(url, function(buffer) {
      try {
        const bufferCopy = buffer.slice(0);
        const context = AudioContext.getContext();
        context.decodeAudioData(bufferCopy, function(audioBuffer) {
          onLoad(audioBuffer);
        });
      } catch (e) {
        if (onError) {
          onError(e);
        } else {
          console.error(e);
        }
        scope.manager.itemError(url);
      }
    }, onProgress, onError);
  }
};
var HemisphereLightProbe = class extends LightProbe {
  constructor(skyColor, groundColor, intensity = 1) {
    super(void 0, intensity);
    const color1 = new Color().set(skyColor);
    const color2 = new Color().set(groundColor);
    const sky = new Vector3(color1.r, color1.g, color1.b);
    const ground = new Vector3(color2.r, color2.g, color2.b);
    const c0 = Math.sqrt(Math.PI);
    const c1 = c0 * Math.sqrt(0.75);
    this.sh.coefficients[0].copy(sky).add(ground).multiplyScalar(c0);
    this.sh.coefficients[1].copy(sky).sub(ground).multiplyScalar(c1);
  }
};
HemisphereLightProbe.prototype.isHemisphereLightProbe = true;
var AmbientLightProbe = class extends LightProbe {
  constructor(color, intensity = 1) {
    super(void 0, intensity);
    const color1 = new Color().set(color);
    this.sh.coefficients[0].set(color1.r, color1.g, color1.b).multiplyScalar(2 * Math.sqrt(Math.PI));
  }
};
AmbientLightProbe.prototype.isAmbientLightProbe = true;
var Audio = class extends Object3D {
  constructor(listener3) {
    super();
    this.type = "Audio";
    this.listener = listener3;
    this.context = listener3.context;
    this.gain = this.context.createGain();
    this.gain.connect(listener3.getInput());
    this.autoplay = false;
    this.buffer = null;
    this.detune = 0;
    this.loop = false;
    this.loopStart = 0;
    this.loopEnd = 0;
    this.offset = 0;
    this.duration = void 0;
    this.playbackRate = 1;
    this.isPlaying = false;
    this.hasPlaybackControl = true;
    this.source = null;
    this.sourceType = "empty";
    this._startedAt = 0;
    this._progress = 0;
    this._connected = false;
    this.filters = [];
  }
  getOutput() {
    return this.gain;
  }
  setNodeSource(audioNode) {
    this.hasPlaybackControl = false;
    this.sourceType = "audioNode";
    this.source = audioNode;
    this.connect();
    return this;
  }
  setMediaElementSource(mediaElement) {
    this.hasPlaybackControl = false;
    this.sourceType = "mediaNode";
    this.source = this.context.createMediaElementSource(mediaElement);
    this.connect();
    return this;
  }
  setMediaStreamSource(mediaStream) {
    this.hasPlaybackControl = false;
    this.sourceType = "mediaStreamNode";
    this.source = this.context.createMediaStreamSource(mediaStream);
    this.connect();
    return this;
  }
  setBuffer(audioBuffer) {
    this.buffer = audioBuffer;
    this.sourceType = "buffer";
    if (this.autoplay)
      this.play();
    return this;
  }
  play(delay = 0) {
    if (this.isPlaying === true) {
      console.warn("THREE.Audio: Audio is already playing.");
      return;
    }
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return;
    }
    this._startedAt = this.context.currentTime + delay;
    const source = this.context.createBufferSource();
    source.buffer = this.buffer;
    source.loop = this.loop;
    source.loopStart = this.loopStart;
    source.loopEnd = this.loopEnd;
    source.onended = this.onEnded.bind(this);
    source.start(this._startedAt, this._progress + this.offset, this.duration);
    this.isPlaying = true;
    this.source = source;
    this.setDetune(this.detune);
    this.setPlaybackRate(this.playbackRate);
    return this.connect();
  }
  pause() {
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return;
    }
    if (this.isPlaying === true) {
      this._progress += Math.max(this.context.currentTime - this._startedAt, 0) * this.playbackRate;
      if (this.loop === true) {
        this._progress = this._progress % (this.duration || this.buffer.duration);
      }
      this.source.stop();
      this.source.onended = null;
      this.isPlaying = false;
    }
    return this;
  }
  stop() {
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return;
    }
    this._progress = 0;
    this.source.stop();
    this.source.onended = null;
    this.isPlaying = false;
    return this;
  }
  connect() {
    if (this.filters.length > 0) {
      this.source.connect(this.filters[0]);
      for (let i = 1, l = this.filters.length; i < l; i++) {
        this.filters[i - 1].connect(this.filters[i]);
      }
      this.filters[this.filters.length - 1].connect(this.getOutput());
    } else {
      this.source.connect(this.getOutput());
    }
    this._connected = true;
    return this;
  }
  disconnect() {
    if (this.filters.length > 0) {
      this.source.disconnect(this.filters[0]);
      for (let i = 1, l = this.filters.length; i < l; i++) {
        this.filters[i - 1].disconnect(this.filters[i]);
      }
      this.filters[this.filters.length - 1].disconnect(this.getOutput());
    } else {
      this.source.disconnect(this.getOutput());
    }
    this._connected = false;
    return this;
  }
  getFilters() {
    return this.filters;
  }
  setFilters(value) {
    if (!value)
      value = [];
    if (this._connected === true) {
      this.disconnect();
      this.filters = value.slice();
      this.connect();
    } else {
      this.filters = value.slice();
    }
    return this;
  }
  setDetune(value) {
    this.detune = value;
    if (this.source.detune === void 0)
      return;
    if (this.isPlaying === true) {
      this.source.detune.setTargetAtTime(this.detune, this.context.currentTime, 0.01);
    }
    return this;
  }
  getDetune() {
    return this.detune;
  }
  getFilter() {
    return this.getFilters()[0];
  }
  setFilter(filter) {
    return this.setFilters(filter ? [filter] : []);
  }
  setPlaybackRate(value) {
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return;
    }
    this.playbackRate = value;
    if (this.isPlaying === true) {
      this.source.playbackRate.setTargetAtTime(this.playbackRate, this.context.currentTime, 0.01);
    }
    return this;
  }
  getPlaybackRate() {
    return this.playbackRate;
  }
  onEnded() {
    this.isPlaying = false;
  }
  getLoop() {
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return false;
    }
    return this.loop;
  }
  setLoop(value) {
    if (this.hasPlaybackControl === false) {
      console.warn("THREE.Audio: this Audio has no playback control.");
      return;
    }
    this.loop = value;
    if (this.isPlaying === true) {
      this.source.loop = this.loop;
    }
    return this;
  }
  setLoopStart(value) {
    this.loopStart = value;
    return this;
  }
  setLoopEnd(value) {
    this.loopEnd = value;
    return this;
  }
  getVolume() {
    return this.gain.gain.value;
  }
  setVolume(value) {
    this.gain.gain.setTargetAtTime(value, this.context.currentTime, 0.01);
    return this;
  }
};
var AudioAnalyser = class {
  constructor(audio, fftSize = 2048) {
    this.analyser = audio.context.createAnalyser();
    this.analyser.fftSize = fftSize;
    this.data = new Uint8Array(this.analyser.frequencyBinCount);
    audio.getOutput().connect(this.analyser);
  }
  getFrequencyData() {
    this.analyser.getByteFrequencyData(this.data);
    return this.data;
  }
  getAverageFrequency() {
    let value = 0;
    const data = this.getFrequencyData();
    for (let i = 0; i < data.length; i++) {
      value += data[i];
    }
    return value / data.length;
  }
};
var PropertyMixer = class {
  constructor(binding, typeName, valueSize) {
    this.binding = binding;
    this.valueSize = valueSize;
    let mixFunction, mixFunctionAdditive, setIdentity;
    switch (typeName) {
      case "quaternion":
        mixFunction = this._slerp;
        mixFunctionAdditive = this._slerpAdditive;
        setIdentity = this._setAdditiveIdentityQuaternion;
        this.buffer = new Float64Array(valueSize * 6);
        this._workIndex = 5;
        break;
      case "string":
      case "bool":
        mixFunction = this._select;
        mixFunctionAdditive = this._select;
        setIdentity = this._setAdditiveIdentityOther;
        this.buffer = new Array(valueSize * 5);
        break;
      default:
        mixFunction = this._lerp;
        mixFunctionAdditive = this._lerpAdditive;
        setIdentity = this._setAdditiveIdentityNumeric;
        this.buffer = new Float64Array(valueSize * 5);
    }
    this._mixBufferRegion = mixFunction;
    this._mixBufferRegionAdditive = mixFunctionAdditive;
    this._setIdentity = setIdentity;
    this._origIndex = 3;
    this._addIndex = 4;
    this.cumulativeWeight = 0;
    this.cumulativeWeightAdditive = 0;
    this.useCount = 0;
    this.referenceCount = 0;
  }
  accumulate(accuIndex, weight) {
    const buffer = this.buffer, stride = this.valueSize, offset = accuIndex * stride + stride;
    let currentWeight = this.cumulativeWeight;
    if (currentWeight === 0) {
      for (let i = 0; i !== stride; ++i) {
        buffer[offset + i] = buffer[i];
      }
      currentWeight = weight;
    } else {
      currentWeight += weight;
      const mix = weight / currentWeight;
      this._mixBufferRegion(buffer, offset, 0, mix, stride);
    }
    this.cumulativeWeight = currentWeight;
  }
  accumulateAdditive(weight) {
    const buffer = this.buffer, stride = this.valueSize, offset = stride * this._addIndex;
    if (this.cumulativeWeightAdditive === 0) {
      this._setIdentity();
    }
    this._mixBufferRegionAdditive(buffer, offset, 0, weight, stride);
    this.cumulativeWeightAdditive += weight;
  }
  apply(accuIndex) {
    const stride = this.valueSize, buffer = this.buffer, offset = accuIndex * stride + stride, weight = this.cumulativeWeight, weightAdditive = this.cumulativeWeightAdditive, binding = this.binding;
    this.cumulativeWeight = 0;
    this.cumulativeWeightAdditive = 0;
    if (weight < 1) {
      const originalValueOffset = stride * this._origIndex;
      this._mixBufferRegion(buffer, offset, originalValueOffset, 1 - weight, stride);
    }
    if (weightAdditive > 0) {
      this._mixBufferRegionAdditive(buffer, offset, this._addIndex * stride, 1, stride);
    }
    for (let i = stride, e = stride + stride; i !== e; ++i) {
      if (buffer[i] !== buffer[i + stride]) {
        binding.setValue(buffer, offset);
        break;
      }
    }
  }
  saveOriginalState() {
    const binding = this.binding;
    const buffer = this.buffer, stride = this.valueSize, originalValueOffset = stride * this._origIndex;
    binding.getValue(buffer, originalValueOffset);
    for (let i = stride, e = originalValueOffset; i !== e; ++i) {
      buffer[i] = buffer[originalValueOffset + i % stride];
    }
    this._setIdentity();
    this.cumulativeWeight = 0;
    this.cumulativeWeightAdditive = 0;
  }
  restoreOriginalState() {
    const originalValueOffset = this.valueSize * 3;
    this.binding.setValue(this.buffer, originalValueOffset);
  }
  _setAdditiveIdentityNumeric() {
    const startIndex = this._addIndex * this.valueSize;
    const endIndex = startIndex + this.valueSize;
    for (let i = startIndex; i < endIndex; i++) {
      this.buffer[i] = 0;
    }
  }
  _setAdditiveIdentityQuaternion() {
    this._setAdditiveIdentityNumeric();
    this.buffer[this._addIndex * this.valueSize + 3] = 1;
  }
  _setAdditiveIdentityOther() {
    const startIndex = this._origIndex * this.valueSize;
    const targetIndex = this._addIndex * this.valueSize;
    for (let i = 0; i < this.valueSize; i++) {
      this.buffer[targetIndex + i] = this.buffer[startIndex + i];
    }
  }
  _select(buffer, dstOffset, srcOffset, t, stride) {
    if (t >= 0.5) {
      for (let i = 0; i !== stride; ++i) {
        buffer[dstOffset + i] = buffer[srcOffset + i];
      }
    }
  }
  _slerp(buffer, dstOffset, srcOffset, t) {
    Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t);
  }
  _slerpAdditive(buffer, dstOffset, srcOffset, t, stride) {
    const workOffset = this._workIndex * stride;
    Quaternion.multiplyQuaternionsFlat(buffer, workOffset, buffer, dstOffset, buffer, srcOffset);
    Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t);
  }
  _lerp(buffer, dstOffset, srcOffset, t, stride) {
    const s = 1 - t;
    for (let i = 0; i !== stride; ++i) {
      const j = dstOffset + i;
      buffer[j] = buffer[j] * s + buffer[srcOffset + i] * t;
    }
  }
  _lerpAdditive(buffer, dstOffset, srcOffset, t, stride) {
    for (let i = 0; i !== stride; ++i) {
      const j = dstOffset + i;
      buffer[j] = buffer[j] + buffer[srcOffset + i] * t;
    }
  }
};
var _RESERVED_CHARS_RE = "\\[\\]\\.:\\/";
var _reservedRe = new RegExp("[" + _RESERVED_CHARS_RE + "]", "g");
var _wordChar = "[^" + _RESERVED_CHARS_RE + "]";
var _wordCharOrDot = "[^" + _RESERVED_CHARS_RE.replace("\\.", "") + "]";
var _directoryRe = /((?:WC+[\/:])*)/.source.replace("WC", _wordChar);
var _nodeRe = /(WCOD+)?/.source.replace("WCOD", _wordCharOrDot);
var _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC", _wordChar);
var _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace("WC", _wordChar);
var _trackRe = new RegExp("^" + _directoryRe + _nodeRe + _objectRe + _propertyRe + "$");
var _supportedObjectNames = ["material", "materials", "bones"];
var Composite = class {
  constructor(targetGroup, path, optionalParsedPath) {
    const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName(path);
    this._targetGroup = targetGroup;
    this._bindings = targetGroup.subscribe_(path, parsedPath);
  }
  getValue(array, offset) {
    this.bind();
    const firstValidIndex = this._targetGroup.nCachedObjects_, binding = this._bindings[firstValidIndex];
    if (binding !== void 0)
      binding.getValue(array, offset);
  }
  setValue(array, offset) {
    const bindings = this._bindings;
    for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) {
      bindings[i].setValue(array, offset);
    }
  }
  bind() {
    const bindings = this._bindings;
    for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) {
      bindings[i].bind();
    }
  }
  unbind() {
    const bindings = this._bindings;
    for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) {
      bindings[i].unbind();
    }
  }
};
var PropertyBinding = class {
  constructor(rootNode, path, parsedPath) {
    this.path = path;
    this.parsedPath = parsedPath || PropertyBinding.parseTrackName(path);
    this.node = PropertyBinding.findNode(rootNode, this.parsedPath.nodeName) || rootNode;
    this.rootNode = rootNode;
    this.getValue = this._getValue_unbound;
    this.setValue = this._setValue_unbound;
  }
  static create(root, path, parsedPath) {
    if (!(root && root.isAnimationObjectGroup)) {
      return new PropertyBinding(root, path, parsedPath);
    } else {
      return new PropertyBinding.Composite(root, path, parsedPath);
    }
  }
  static sanitizeNodeName(name) {
    return name.replace(/\s/g, "_").replace(_reservedRe, "");
  }
  static parseTrackName(trackName) {
    const matches = _trackRe.exec(trackName);
    if (!matches) {
      throw new Error("PropertyBinding: Cannot parse trackName: " + trackName);
    }
    const results = {
      nodeName: matches[2],
      objectName: matches[3],
      objectIndex: matches[4],
      propertyName: matches[5],
      propertyIndex: matches[6]
    };
    const lastDot = results.nodeName && results.nodeName.lastIndexOf(".");
    if (lastDot !== void 0 && lastDot !== -1) {
      const objectName = results.nodeName.substring(lastDot + 1);
      if (_supportedObjectNames.indexOf(objectName) !== -1) {
        results.nodeName = results.nodeName.substring(0, lastDot);
        results.objectName = objectName;
      }
    }
    if (results.propertyName === null || results.propertyName.length === 0) {
      throw new Error("PropertyBinding: can not parse propertyName from trackName: " + trackName);
    }
    return results;
  }
  static findNode(root, nodeName) {
    if (!nodeName || nodeName === "" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid) {
      return root;
    }
    if (root.skeleton) {
      const bone = root.skeleton.getBoneByName(nodeName);
      if (bone !== void 0) {
        return bone;
      }
    }
    if (root.children) {
      const searchNodeSubtree = function(children) {
        for (let i = 0; i < children.length; i++) {
          const childNode = children[i];
          if (childNode.name === nodeName || childNode.uuid === nodeName) {
            return childNode;
          }
          const result = searchNodeSubtree(childNode.children);
          if (result)
            return result;
        }
        return null;
      };
      const subTreeNode = searchNodeSubtree(root.children);
      if (subTreeNode) {
        return subTreeNode;
      }
    }
    return null;
  }
  _getValue_unavailable() {
  }
  _setValue_unavailable() {
  }
  _getValue_direct(buffer, offset) {
    buffer[offset] = this.targetObject[this.propertyName];
  }
  _getValue_array(buffer, offset) {
    const source = this.resolvedProperty;
    for (let i = 0, n = source.length; i !== n; ++i) {
      buffer[offset++] = source[i];
    }
  }
  _getValue_arrayElement(buffer, offset) {
    buffer[offset] = this.resolvedProperty[this.propertyIndex];
  }
  _getValue_toArray(buffer, offset) {
    this.resolvedProperty.toArray(buffer, offset);
  }
  _setValue_direct(buffer, offset) {
    this.targetObject[this.propertyName] = buffer[offset];
  }
  _setValue_direct_setNeedsUpdate(buffer, offset) {
    this.targetObject[this.propertyName] = buffer[offset];
    this.targetObject.needsUpdate = true;
  }
  _setValue_direct_setMatrixWorldNeedsUpdate(buffer, offset) {
    this.targetObject[this.propertyName] = buffer[offset];
    this.targetObject.matrixWorldNeedsUpdate = true;
  }
  _setValue_array(buffer, offset) {
    const dest = this.resolvedProperty;
    for (let i = 0, n = dest.length; i !== n; ++i) {
      dest[i] = buffer[offset++];
    }
  }
  _setValue_array_setNeedsUpdate(buffer, offset) {
    const dest = this.resolvedProperty;
    for (let i = 0, n = dest.length; i !== n; ++i) {
      dest[i] = buffer[offset++];
    }
    this.targetObject.needsUpdate = true;
  }
  _setValue_array_setMatrixWorldNeedsUpdate(buffer, offset) {
    const dest = this.resolvedProperty;
    for (let i = 0, n = dest.length; i !== n; ++i) {
      dest[i] = buffer[offset++];
    }
    this.targetObject.matrixWorldNeedsUpdate = true;
  }
  _setValue_arrayElement(buffer, offset) {
    this.resolvedProperty[this.propertyIndex] = buffer[offset];
  }
  _setValue_arrayElement_setNeedsUpdate(buffer, offset) {
    this.resolvedProperty[this.propertyIndex] = buffer[offset];
    this.targetObject.needsUpdate = true;
  }
  _setValue_arrayElement_setMatrixWorldNeedsUpdate(buffer, offset) {
    this.resolvedProperty[this.propertyIndex] = buffer[offset];
    this.targetObject.matrixWorldNeedsUpdate = true;
  }
  _setValue_fromArray(buffer, offset) {
    this.resolvedProperty.fromArray(buffer, offset);
  }
  _setValue_fromArray_setNeedsUpdate(buffer, offset) {
    this.resolvedProperty.fromArray(buffer, offset);
    this.targetObject.needsUpdate = true;
  }
  _setValue_fromArray_setMatrixWorldNeedsUpdate(buffer, offset) {
    this.resolvedProperty.fromArray(buffer, offset);
    this.targetObject.matrixWorldNeedsUpdate = true;
  }
  _getValue_unbound(targetArray, offset) {
    this.bind();
    this.getValue(targetArray, offset);
  }
  _setValue_unbound(sourceArray, offset) {
    this.bind();
    this.setValue(sourceArray, offset);
  }
  bind() {
    let targetObject = this.node;
    const parsedPath = this.parsedPath;
    const objectName = parsedPath.objectName;
    const propertyName = parsedPath.propertyName;
    let propertyIndex = parsedPath.propertyIndex;
    if (!targetObject) {
      targetObject = PropertyBinding.findNode(this.rootNode, parsedPath.nodeName) || this.rootNode;
      this.node = targetObject;
    }
    this.getValue = this._getValue_unavailable;
    this.setValue = this._setValue_unavailable;
    if (!targetObject) {
      console.error("THREE.PropertyBinding: Trying to update node for track: " + this.path + " but it wasn't found.");
      return;
    }
    if (objectName) {
      let objectIndex = parsedPath.objectIndex;
      switch (objectName) {
        case "materials":
          if (!targetObject.material) {
            console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.", this);
            return;
          }
          if (!targetObject.material.materials) {
            console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.", this);
            return;
          }
          targetObject = targetObject.material.materials;
          break;
        case "bones":
          if (!targetObject.skeleton) {
            console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.", this);
            return;
          }
          targetObject = targetObject.skeleton.bones;
          for (let i = 0; i < targetObject.length; i++) {
            if (targetObject[i].name === objectIndex) {
              objectIndex = i;
              break;
            }
          }
          break;
        default:
          if (targetObject[objectName] === void 0) {
            console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.", this);
            return;
          }
          targetObject = targetObject[objectName];
      }
      if (objectIndex !== void 0) {
        if (targetObject[objectIndex] === void 0) {
          console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.", this, targetObject);
          return;
        }
        targetObject = targetObject[objectIndex];
      }
    }
    const nodeProperty = targetObject[propertyName];
    if (nodeProperty === void 0) {
      const nodeName = parsedPath.nodeName;
      console.error("THREE.PropertyBinding: Trying to update property for track: " + nodeName + "." + propertyName + " but it wasn't found.", targetObject);
      return;
    }
    let versioning = this.Versioning.None;
    this.targetObject = targetObject;
    if (targetObject.needsUpdate !== void 0) {
      versioning = this.Versioning.NeedsUpdate;
    } else if (targetObject.matrixWorldNeedsUpdate !== void 0) {
      versioning = this.Versioning.MatrixWorldNeedsUpdate;
    }
    let bindingType = this.BindingType.Direct;
    if (propertyIndex !== void 0) {
      if (propertyName === "morphTargetInfluences") {
        if (!targetObject.geometry) {
          console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.", this);
          return;
        }
        if (targetObject.geometry.isBufferGeometry) {
          if (!targetObject.geometry.morphAttributes) {
            console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.", this);
            return;
          }
          if (targetObject.morphTargetDictionary[propertyIndex] !== void 0) {
            propertyIndex = targetObject.morphTargetDictionary[propertyIndex];
          }
        } else {
          console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.", this);
          return;
        }
      }
      bindingType = this.BindingType.ArrayElement;
      this.resolvedProperty = nodeProperty;
      this.propertyIndex = propertyIndex;
    } else if (nodeProperty.fromArray !== void 0 && nodeProperty.toArray !== void 0) {
      bindingType = this.BindingType.HasFromToArray;
      this.resolvedProperty = nodeProperty;
    } else if (Array.isArray(nodeProperty)) {
      bindingType = this.BindingType.EntireArray;
      this.resolvedProperty = nodeProperty;
    } else {
      this.propertyName = propertyName;
    }
    this.getValue = this.GetterByBindingType[bindingType];
    this.setValue = this.SetterByBindingTypeAndVersioning[bindingType][versioning];
  }
  unbind() {
    this.node = null;
    this.getValue = this._getValue_unbound;
    this.setValue = this._setValue_unbound;
  }
};
PropertyBinding.Composite = Composite;
PropertyBinding.prototype.BindingType = {
  Direct: 0,
  EntireArray: 1,
  ArrayElement: 2,
  HasFromToArray: 3
};
PropertyBinding.prototype.Versioning = {
  None: 0,
  NeedsUpdate: 1,
  MatrixWorldNeedsUpdate: 2
};
PropertyBinding.prototype.GetterByBindingType = [
  PropertyBinding.prototype._getValue_direct,
  PropertyBinding.prototype._getValue_array,
  PropertyBinding.prototype._getValue_arrayElement,
  PropertyBinding.prototype._getValue_toArray
];
PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [
  [
    PropertyBinding.prototype._setValue_direct,
    PropertyBinding.prototype._setValue_direct_setNeedsUpdate,
    PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate
  ],
  [
    PropertyBinding.prototype._setValue_array,
    PropertyBinding.prototype._setValue_array_setNeedsUpdate,
    PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate
  ],
  [
    PropertyBinding.prototype._setValue_arrayElement,
    PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,
    PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate
  ],
  [
    PropertyBinding.prototype._setValue_fromArray,
    PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,
    PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate
  ]
];
var AnimationObjectGroup = class {
  constructor() {
    this.uuid = generateUUID();
    this._objects = Array.prototype.slice.call(arguments);
    this.nCachedObjects_ = 0;
    const indices = {};
    this._indicesByUUID = indices;
    for (let i = 0, n = arguments.length; i !== n; ++i) {
      indices[arguments[i].uuid] = i;
    }
    this._paths = [];
    this._parsedPaths = [];
    this._bindings = [];
    this._bindingsIndicesByPath = {};
    const scope = this;
    this.stats = {
      objects: {
        get total() {
          return scope._objects.length;
        },
        get inUse() {
          return this.total - scope.nCachedObjects_;
        }
      },
      get bindingsPerObject() {
        return scope._bindings.length;
      }
    };
  }
  add() {
    const objects = this._objects, indicesByUUID = this._indicesByUUID, paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, nBindings = bindings.length;
    let knownObject = void 0, nObjects = objects.length, nCachedObjects = this.nCachedObjects_;
    for (let i = 0, n = arguments.length; i !== n; ++i) {
      const object = arguments[i], uuid = object.uuid;
      let index = indicesByUUID[uuid];
      if (index === void 0) {
        index = nObjects++;
        indicesByUUID[uuid] = index;
        objects.push(object);
        for (let j = 0, m = nBindings; j !== m; ++j) {
          bindings[j].push(new PropertyBinding(object, paths[j], parsedPaths[j]));
        }
      } else if (index < nCachedObjects) {
        knownObject = objects[index];
        const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex];
        indicesByUUID[lastCachedObject.uuid] = index;
        objects[index] = lastCachedObject;
        indicesByUUID[uuid] = firstActiveIndex;
        objects[firstActiveIndex] = object;
        for (let j = 0, m = nBindings; j !== m; ++j) {
          const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex];
          let binding = bindingsForPath[index];
          bindingsForPath[index] = lastCached;
          if (binding === void 0) {
            binding = new PropertyBinding(object, paths[j], parsedPaths[j]);
          }
          bindingsForPath[firstActiveIndex] = binding;
        }
      } else if (objects[index] !== knownObject) {
        console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.");
      }
    }
    this.nCachedObjects_ = nCachedObjects;
  }
  remove() {
    const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length;
    let nCachedObjects = this.nCachedObjects_;
    for (let i = 0, n = arguments.length; i !== n; ++i) {
      const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid];
      if (index !== void 0 && index >= nCachedObjects) {
        const lastCachedIndex = nCachedObjects++, firstActiveObject = objects[lastCachedIndex];
        indicesByUUID[firstActiveObject.uuid] = index;
        objects[index] = firstActiveObject;
        indicesByUUID[uuid] = lastCachedIndex;
        objects[lastCachedIndex] = object;
        for (let j = 0, m = nBindings; j !== m; ++j) {
          const bindingsForPath = bindings[j], firstActive = bindingsForPath[lastCachedIndex], binding = bindingsForPath[index];
          bindingsForPath[index] = firstActive;
          bindingsForPath[lastCachedIndex] = binding;
        }
      }
    }
    this.nCachedObjects_ = nCachedObjects;
  }
  uncache() {
    const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length;
    let nCachedObjects = this.nCachedObjects_, nObjects = objects.length;
    for (let i = 0, n = arguments.length; i !== n; ++i) {
      const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid];
      if (index !== void 0) {
        delete indicesByUUID[uuid];
        if (index < nCachedObjects) {
          const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex], lastIndex = --nObjects, lastObject = objects[lastIndex];
          indicesByUUID[lastCachedObject.uuid] = index;
          objects[index] = lastCachedObject;
          indicesByUUID[lastObject.uuid] = firstActiveIndex;
          objects[firstActiveIndex] = lastObject;
          objects.pop();
          for (let j = 0, m = nBindings; j !== m; ++j) {
            const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex], last = bindingsForPath[lastIndex];
            bindingsForPath[index] = lastCached;
            bindingsForPath[firstActiveIndex] = last;
            bindingsForPath.pop();
          }
        } else {
          const lastIndex = --nObjects, lastObject = objects[lastIndex];
          if (lastIndex > 0) {
            indicesByUUID[lastObject.uuid] = index;
          }
          objects[index] = lastObject;
          objects.pop();
          for (let j = 0, m = nBindings; j !== m; ++j) {
            const bindingsForPath = bindings[j];
            bindingsForPath[index] = bindingsForPath[lastIndex];
            bindingsForPath.pop();
          }
        }
      }
    }
    this.nCachedObjects_ = nCachedObjects;
  }
  subscribe_(path, parsedPath) {
    const indicesByPath = this._bindingsIndicesByPath;
    let index = indicesByPath[path];
    const bindings = this._bindings;
    if (index !== void 0)
      return bindings[index];
    const paths = this._paths, parsedPaths = this._parsedPaths, objects = this._objects, nObjects = objects.length, nCachedObjects = this.nCachedObjects_, bindingsForPath = new Array(nObjects);
    index = bindings.length;
    indicesByPath[path] = index;
    paths.push(path);
    parsedPaths.push(parsedPath);
    bindings.push(bindingsForPath);
    for (let i = nCachedObjects, n = objects.length; i !== n; ++i) {
      const object = objects[i];
      bindingsForPath[i] = new PropertyBinding(object, path, parsedPath);
    }
    return bindingsForPath;
  }
  unsubscribe_(path) {
    const indicesByPath = this._bindingsIndicesByPath, index = indicesByPath[path];
    if (index !== void 0) {
      const paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, lastBindingsIndex = bindings.length - 1, lastBindings = bindings[lastBindingsIndex], lastBindingsPath = path[lastBindingsIndex];
      indicesByPath[lastBindingsPath] = index;
      bindings[index] = lastBindings;
      bindings.pop();
      parsedPaths[index] = parsedPaths[lastBindingsIndex];
      parsedPaths.pop();
      paths[index] = paths[lastBindingsIndex];
      paths.pop();
    }
  }
};
AnimationObjectGroup.prototype.isAnimationObjectGroup = true;
var AnimationAction = class {
  constructor(mixer, clip, localRoot = null, blendMode = clip.blendMode) {
    this._mixer = mixer;
    this._clip = clip;
    this._localRoot = localRoot;
    this.blendMode = blendMode;
    const tracks = clip.tracks, nTracks = tracks.length, interpolants = new Array(nTracks);
    const interpolantSettings = {
      endingStart: ZeroCurvatureEnding,
      endingEnd: ZeroCurvatureEnding
    };
    for (let i = 0; i !== nTracks; ++i) {
      const interpolant = tracks[i].createInterpolant(null);
      interpolants[i] = interpolant;
      interpolant.settings = interpolantSettings;
    }
    this._interpolantSettings = interpolantSettings;
    this._interpolants = interpolants;
    this._propertyBindings = new Array(nTracks);
    this._cacheIndex = null;
    this._byClipCacheIndex = null;
    this._timeScaleInterpolant = null;
    this._weightInterpolant = null;
    this.loop = LoopRepeat;
    this._loopCount = -1;
    this._startTime = null;
    this.time = 0;
    this.timeScale = 1;
    this._effectiveTimeScale = 1;
    this.weight = 1;
    this._effectiveWeight = 1;
    this.repetitions = Infinity;
    this.paused = false;
    this.enabled = true;
    this.clampWhenFinished = false;
    this.zeroSlopeAtStart = true;
    this.zeroSlopeAtEnd = true;
  }
  play() {
    this._mixer._activateAction(this);
    return this;
  }
  stop() {
    this._mixer._deactivateAction(this);
    return this.reset();
  }
  reset() {
    this.paused = false;
    this.enabled = true;
    this.time = 0;
    this._loopCount = -1;
    this._startTime = null;
    return this.stopFading().stopWarping();
  }
  isRunning() {
    return this.enabled && !this.paused && this.timeScale !== 0 && this._startTime === null && this._mixer._isActiveAction(this);
  }
  isScheduled() {
    return this._mixer._isActiveAction(this);
  }
  startAt(time) {
    this._startTime = time;
    return this;
  }
  setLoop(mode, repetitions) {
    this.loop = mode;
    this.repetitions = repetitions;
    return this;
  }
  setEffectiveWeight(weight) {
    this.weight = weight;
    this._effectiveWeight = this.enabled ? weight : 0;
    return this.stopFading();
  }
  getEffectiveWeight() {
    return this._effectiveWeight;
  }
  fadeIn(duration) {
    return this._scheduleFading(duration, 0, 1);
  }
  fadeOut(duration) {
    return this._scheduleFading(duration, 1, 0);
  }
  crossFadeFrom(fadeOutAction, duration, warp) {
    fadeOutAction.fadeOut(duration);
    this.fadeIn(duration);
    if (warp) {
      const fadeInDuration = this._clip.duration, fadeOutDuration = fadeOutAction._clip.duration, startEndRatio = fadeOutDuration / fadeInDuration, endStartRatio = fadeInDuration / fadeOutDuration;
      fadeOutAction.warp(1, startEndRatio, duration);
      this.warp(endStartRatio, 1, duration);
    }
    return this;
  }
  crossFadeTo(fadeInAction, duration, warp) {
    return fadeInAction.crossFadeFrom(this, duration, warp);
  }
  stopFading() {
    const weightInterpolant = this._weightInterpolant;
    if (weightInterpolant !== null) {
      this._weightInterpolant = null;
      this._mixer._takeBackControlInterpolant(weightInterpolant);
    }
    return this;
  }
  setEffectiveTimeScale(timeScale) {
    this.timeScale = timeScale;
    this._effectiveTimeScale = this.paused ? 0 : timeScale;
    return this.stopWarping();
  }
  getEffectiveTimeScale() {
    return this._effectiveTimeScale;
  }
  setDuration(duration) {
    this.timeScale = this._clip.duration / duration;
    return this.stopWarping();
  }
  syncWith(action) {
    this.time = action.time;
    this.timeScale = action.timeScale;
    return this.stopWarping();
  }
  halt(duration) {
    return this.warp(this._effectiveTimeScale, 0, duration);
  }
  warp(startTimeScale, endTimeScale, duration) {
    const mixer = this._mixer, now = mixer.time, timeScale = this.timeScale;
    let interpolant = this._timeScaleInterpolant;
    if (interpolant === null) {
      interpolant = mixer._lendControlInterpolant();
      this._timeScaleInterpolant = interpolant;
    }
    const times = interpolant.parameterPositions, values = interpolant.sampleValues;
    times[0] = now;
    times[1] = now + duration;
    values[0] = startTimeScale / timeScale;
    values[1] = endTimeScale / timeScale;
    return this;
  }
  stopWarping() {
    const timeScaleInterpolant = this._timeScaleInterpolant;
    if (timeScaleInterpolant !== null) {
      this._timeScaleInterpolant = null;
      this._mixer._takeBackControlInterpolant(timeScaleInterpolant);
    }
    return this;
  }
  getMixer() {
    return this._mixer;
  }
  getClip() {
    return this._clip;
  }
  getRoot() {
    return this._localRoot || this._mixer._root;
  }
  _update(time, deltaTime, timeDirection, accuIndex) {
    if (!this.enabled) {
      this._updateWeight(time);
      return;
    }
    const startTime = this._startTime;
    if (startTime !== null) {
      const timeRunning = (time - startTime) * timeDirection;
      if (timeRunning < 0 || timeDirection === 0) {
        return;
      }
      this._startTime = null;
      deltaTime = timeDirection * timeRunning;
    }
    deltaTime *= this._updateTimeScale(time);
    const clipTime = this._updateTime(deltaTime);
    const weight = this._updateWeight(time);
    if (weight > 0) {
      const interpolants = this._interpolants;
      const propertyMixers = this._propertyBindings;
      switch (this.blendMode) {
        case AdditiveAnimationBlendMode:
          for (let j = 0, m = interpolants.length; j !== m; ++j) {
            interpolants[j].evaluate(clipTime);
            propertyMixers[j].accumulateAdditive(weight);
          }
          break;
        case NormalAnimationBlendMode:
        default:
          for (let j = 0, m = interpolants.length; j !== m; ++j) {
            interpolants[j].evaluate(clipTime);
            propertyMixers[j].accumulate(accuIndex, weight);
          }
      }
    }
  }
  _updateWeight(time) {
    let weight = 0;
    if (this.enabled) {
      weight = this.weight;
      const interpolant = this._weightInterpolant;
      if (interpolant !== null) {
        const interpolantValue = interpolant.evaluate(time)[0];
        weight *= interpolantValue;
        if (time > interpolant.parameterPositions[1]) {
          this.stopFading();
          if (interpolantValue === 0) {
            this.enabled = false;
          }
        }
      }
    }
    this._effectiveWeight = weight;
    return weight;
  }
  _updateTimeScale(time) {
    let timeScale = 0;
    if (!this.paused) {
      timeScale = this.timeScale;
      const interpolant = this._timeScaleInterpolant;
      if (interpolant !== null) {
        const interpolantValue = interpolant.evaluate(time)[0];
        timeScale *= interpolantValue;
        if (time > interpolant.parameterPositions[1]) {
          this.stopWarping();
          if (timeScale === 0) {
            this.paused = true;
          } else {
            this.timeScale = timeScale;
          }
        }
      }
    }
    this._effectiveTimeScale = timeScale;
    return timeScale;
  }
  _updateTime(deltaTime) {
    const duration = this._clip.duration;
    const loop = this.loop;
    let time = this.time + deltaTime;
    let loopCount = this._loopCount;
    const pingPong = loop === LoopPingPong;
    if (deltaTime === 0) {
      if (loopCount === -1)
        return time;
      return pingPong && (loopCount & 1) === 1 ? duration - time : time;
    }
    if (loop === LoopOnce) {
      if (loopCount === -1) {
        this._loopCount = 0;
        this._setEndings(true, true, false);
      }
      handle_stop: {
        if (time >= duration) {
          time = duration;
        } else if (time < 0) {
          time = 0;
        } else {
          this.time = time;
          break handle_stop;
        }
        if (this.clampWhenFinished)
          this.paused = true;
        else
          this.enabled = false;
        this.time = time;
        this._mixer.dispatchEvent({
          type: "finished",
          action: this,
          direction: deltaTime < 0 ? -1 : 1
        });
      }
    } else {
      if (loopCount === -1) {
        if (deltaTime >= 0) {
          loopCount = 0;
          this._setEndings(true, this.repetitions === 0, pingPong);
        } else {
          this._setEndings(this.repetitions === 0, true, pingPong);
        }
      }
      if (time >= duration || time < 0) {
        const loopDelta = Math.floor(time / duration);
        time -= duration * loopDelta;
        loopCount += Math.abs(loopDelta);
        const pending = this.repetitions - loopCount;
        if (pending <= 0) {
          if (this.clampWhenFinished)
            this.paused = true;
          else
            this.enabled = false;
          time = deltaTime > 0 ? duration : 0;
          this.time = time;
          this._mixer.dispatchEvent({
            type: "finished",
            action: this,
            direction: deltaTime > 0 ? 1 : -1
          });
        } else {
          if (pending === 1) {
            const atStart = deltaTime < 0;
            this._setEndings(atStart, !atStart, pingPong);
          } else {
            this._setEndings(false, false, pingPong);
          }
          this._loopCount = loopCount;
          this.time = time;
          this._mixer.dispatchEvent({
            type: "loop",
            action: this,
            loopDelta
          });
        }
      } else {
        this.time = time;
      }
      if (pingPong && (loopCount & 1) === 1) {
        return duration - time;
      }
    }
    return time;
  }
  _setEndings(atStart, atEnd, pingPong) {
    const settings = this._interpolantSettings;
    if (pingPong) {
      settings.endingStart = ZeroSlopeEnding;
      settings.endingEnd = ZeroSlopeEnding;
    } else {
      if (atStart) {
        settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;
      } else {
        settings.endingStart = WrapAroundEnding;
      }
      if (atEnd) {
        settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;
      } else {
        settings.endingEnd = WrapAroundEnding;
      }
    }
  }
  _scheduleFading(duration, weightNow, weightThen) {
    const mixer = this._mixer, now = mixer.time;
    let interpolant = this._weightInterpolant;
    if (interpolant === null) {
      interpolant = mixer._lendControlInterpolant();
      this._weightInterpolant = interpolant;
    }
    const times = interpolant.parameterPositions, values = interpolant.sampleValues;
    times[0] = now;
    values[0] = weightNow;
    times[1] = now + duration;
    values[1] = weightThen;
    return this;
  }
};
var AnimationMixer = class extends EventDispatcher {
  constructor(root) {
    super();
    this._root = root;
    this._initMemoryManager();
    this._accuIndex = 0;
    this.time = 0;
    this.timeScale = 1;
  }
  _bindAction(action, prototypeAction) {
    const root = action._localRoot || this._root, tracks = action._clip.tracks, nTracks = tracks.length, bindings = action._propertyBindings, interpolants = action._interpolants, rootUuid = root.uuid, bindingsByRoot = this._bindingsByRootAndName;
    let bindingsByName = bindingsByRoot[rootUuid];
    if (bindingsByName === void 0) {
      bindingsByName = {};
      bindingsByRoot[rootUuid] = bindingsByName;
    }
    for (let i = 0; i !== nTracks; ++i) {
      const track = tracks[i], trackName = track.name;
      let binding = bindingsByName[trackName];
      if (binding !== void 0) {
        bindings[i] = binding;
      } else {
        binding = bindings[i];
        if (binding !== void 0) {
          if (binding._cacheIndex === null) {
            ++binding.referenceCount;
            this._addInactiveBinding(binding, rootUuid, trackName);
          }
          continue;
        }
        const path = prototypeAction && prototypeAction._propertyBindings[i].binding.parsedPath;
        binding = new PropertyMixer(PropertyBinding.create(root, trackName, path), track.ValueTypeName, track.getValueSize());
        ++binding.referenceCount;
        this._addInactiveBinding(binding, rootUuid, trackName);
        bindings[i] = binding;
      }
      interpolants[i].resultBuffer = binding.buffer;
    }
  }
  _activateAction(action) {
    if (!this._isActiveAction(action)) {
      if (action._cacheIndex === null) {
        const rootUuid = (action._localRoot || this._root).uuid, clipUuid = action._clip.uuid, actionsForClip = this._actionsByClip[clipUuid];
        this._bindAction(action, actionsForClip && actionsForClip.knownActions[0]);
        this._addInactiveAction(action, clipUuid, rootUuid);
      }
      const bindings = action._propertyBindings;
      for (let i = 0, n = bindings.length; i !== n; ++i) {
        const binding = bindings[i];
        if (binding.useCount++ === 0) {
          this._lendBinding(binding);
          binding.saveOriginalState();
        }
      }
      this._lendAction(action);
    }
  }
  _deactivateAction(action) {
    if (this._isActiveAction(action)) {
      const bindings = action._propertyBindings;
      for (let i = 0, n = bindings.length; i !== n; ++i) {
        const binding = bindings[i];
        if (--binding.useCount === 0) {
          binding.restoreOriginalState();
          this._takeBackBinding(binding);
        }
      }
      this._takeBackAction(action);
    }
  }
  _initMemoryManager() {
    this._actions = [];
    this._nActiveActions = 0;
    this._actionsByClip = {};
    this._bindings = [];
    this._nActiveBindings = 0;
    this._bindingsByRootAndName = {};
    this._controlInterpolants = [];
    this._nActiveControlInterpolants = 0;
    const scope = this;
    this.stats = {
      actions: {
        get total() {
          return scope._actions.length;
        },
        get inUse() {
          return scope._nActiveActions;
        }
      },
      bindings: {
        get total() {
          return scope._bindings.length;
        },
        get inUse() {
          return scope._nActiveBindings;
        }
      },
      controlInterpolants: {
        get total() {
          return scope._controlInterpolants.length;
        },
        get inUse() {
          return scope._nActiveControlInterpolants;
        }
      }
    };
  }
  _isActiveAction(action) {
    const index = action._cacheIndex;
    return index !== null && index < this._nActiveActions;
  }
  _addInactiveAction(action, clipUuid, rootUuid) {
    const actions = this._actions, actionsByClip = this._actionsByClip;
    let actionsForClip = actionsByClip[clipUuid];
    if (actionsForClip === void 0) {
      actionsForClip = {
        knownActions: [action],
        actionByRoot: {}
      };
      action._byClipCacheIndex = 0;
      actionsByClip[clipUuid] = actionsForClip;
    } else {
      const knownActions = actionsForClip.knownActions;
      action._byClipCacheIndex = knownActions.length;
      knownActions.push(action);
    }
    action._cacheIndex = actions.length;
    actions.push(action);
    actionsForClip.actionByRoot[rootUuid] = action;
  }
  _removeInactiveAction(action) {
    const actions = this._actions, lastInactiveAction = actions[actions.length - 1], cacheIndex = action._cacheIndex;
    lastInactiveAction._cacheIndex = cacheIndex;
    actions[cacheIndex] = lastInactiveAction;
    actions.pop();
    action._cacheIndex = null;
    const clipUuid = action._clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid], knownActionsForClip = actionsForClip.knownActions, lastKnownAction = knownActionsForClip[knownActionsForClip.length - 1], byClipCacheIndex = action._byClipCacheIndex;
    lastKnownAction._byClipCacheIndex = byClipCacheIndex;
    knownActionsForClip[byClipCacheIndex] = lastKnownAction;
    knownActionsForClip.pop();
    action._byClipCacheIndex = null;
    const actionByRoot = actionsForClip.actionByRoot, rootUuid = (action._localRoot || this._root).uuid;
    delete actionByRoot[rootUuid];
    if (knownActionsForClip.length === 0) {
      delete actionsByClip[clipUuid];
    }
    this._removeInactiveBindingsForAction(action);
  }
  _removeInactiveBindingsForAction(action) {
    const bindings = action._propertyBindings;
    for (let i = 0, n = bindings.length; i !== n; ++i) {
      const binding = bindings[i];
      if (--binding.referenceCount === 0) {
        this._removeInactiveBinding(binding);
      }
    }
  }
  _lendAction(action) {
    const actions = this._actions, prevIndex = action._cacheIndex, lastActiveIndex = this._nActiveActions++, firstInactiveAction = actions[lastActiveIndex];
    action._cacheIndex = lastActiveIndex;
    actions[lastActiveIndex] = action;
    firstInactiveAction._cacheIndex = prevIndex;
    actions[prevIndex] = firstInactiveAction;
  }
  _takeBackAction(action) {
    const actions = this._actions, prevIndex = action._cacheIndex, firstInactiveIndex = --this._nActiveActions, lastActiveAction = actions[firstInactiveIndex];
    action._cacheIndex = firstInactiveIndex;
    actions[firstInactiveIndex] = action;
    lastActiveAction._cacheIndex = prevIndex;
    actions[prevIndex] = lastActiveAction;
  }
  _addInactiveBinding(binding, rootUuid, trackName) {
    const bindingsByRoot = this._bindingsByRootAndName, bindings = this._bindings;
    let bindingByName = bindingsByRoot[rootUuid];
    if (bindingByName === void 0) {
      bindingByName = {};
      bindingsByRoot[rootUuid] = bindingByName;
    }
    bindingByName[trackName] = binding;
    binding._cacheIndex = bindings.length;
    bindings.push(binding);
  }
  _removeInactiveBinding(binding) {
    const bindings = this._bindings, propBinding = binding.binding, rootUuid = propBinding.rootNode.uuid, trackName = propBinding.path, bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid], lastInactiveBinding = bindings[bindings.length - 1], cacheIndex = binding._cacheIndex;
    lastInactiveBinding._cacheIndex = cacheIndex;
    bindings[cacheIndex] = lastInactiveBinding;
    bindings.pop();
    delete bindingByName[trackName];
    if (Object.keys(bindingByName).length === 0) {
      delete bindingsByRoot[rootUuid];
    }
  }
  _lendBinding(binding) {
    const bindings = this._bindings, prevIndex = binding._cacheIndex, lastActiveIndex = this._nActiveBindings++, firstInactiveBinding = bindings[lastActiveIndex];
    binding._cacheIndex = lastActiveIndex;
    bindings[lastActiveIndex] = binding;
    firstInactiveBinding._cacheIndex = prevIndex;
    bindings[prevIndex] = firstInactiveBinding;
  }
  _takeBackBinding(binding) {
    const bindings = this._bindings, prevIndex = binding._cacheIndex, firstInactiveIndex = --this._nActiveBindings, lastActiveBinding = bindings[firstInactiveIndex];
    binding._cacheIndex = firstInactiveIndex;
    bindings[firstInactiveIndex] = binding;
    lastActiveBinding._cacheIndex = prevIndex;
    bindings[prevIndex] = lastActiveBinding;
  }
  _lendControlInterpolant() {
    const interpolants = this._controlInterpolants, lastActiveIndex = this._nActiveControlInterpolants++;
    let interpolant = interpolants[lastActiveIndex];
    if (interpolant === void 0) {
      interpolant = new LinearInterpolant(new Float32Array(2), new Float32Array(2), 1, this._controlInterpolantsResultBuffer);
      interpolant.__cacheIndex = lastActiveIndex;
      interpolants[lastActiveIndex] = interpolant;
    }
    return interpolant;
  }
  _takeBackControlInterpolant(interpolant) {
    const interpolants = this._controlInterpolants, prevIndex = interpolant.__cacheIndex, firstInactiveIndex = --this._nActiveControlInterpolants, lastActiveInterpolant = interpolants[firstInactiveIndex];
    interpolant.__cacheIndex = firstInactiveIndex;
    interpolants[firstInactiveIndex] = interpolant;
    lastActiveInterpolant.__cacheIndex = prevIndex;
    interpolants[prevIndex] = lastActiveInterpolant;
  }
  clipAction(clip, optionalRoot, blendMode) {
    const root = optionalRoot || this._root, rootUuid = root.uuid;
    let clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip;
    const clipUuid = clipObject !== null ? clipObject.uuid : clip;
    const actionsForClip = this._actionsByClip[clipUuid];
    let prototypeAction = null;
    if (blendMode === void 0) {
      if (clipObject !== null) {
        blendMode = clipObject.blendMode;
      } else {
        blendMode = NormalAnimationBlendMode;
      }
    }
    if (actionsForClip !== void 0) {
      const existingAction = actionsForClip.actionByRoot[rootUuid];
      if (existingAction !== void 0 && existingAction.blendMode === blendMode) {
        return existingAction;
      }
      prototypeAction = actionsForClip.knownActions[0];
      if (clipObject === null)
        clipObject = prototypeAction._clip;
    }
    if (clipObject === null)
      return null;
    const newAction = new AnimationAction(this, clipObject, optionalRoot, blendMode);
    this._bindAction(newAction, prototypeAction);
    this._addInactiveAction(newAction, clipUuid, rootUuid);
    return newAction;
  }
  existingAction(clip, optionalRoot) {
    const root = optionalRoot || this._root, rootUuid = root.uuid, clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip, clipUuid = clipObject ? clipObject.uuid : clip, actionsForClip = this._actionsByClip[clipUuid];
    if (actionsForClip !== void 0) {
      return actionsForClip.actionByRoot[rootUuid] || null;
    }
    return null;
  }
  stopAllAction() {
    const actions = this._actions, nActions = this._nActiveActions;
    for (let i = nActions - 1; i >= 0; --i) {
      actions[i].stop();
    }
    return this;
  }
  update(deltaTime) {
    deltaTime *= this.timeScale;
    const actions = this._actions, nActions = this._nActiveActions, time = this.time += deltaTime, timeDirection = Math.sign(deltaTime), accuIndex = this._accuIndex ^= 1;
    for (let i = 0; i !== nActions; ++i) {
      const action = actions[i];
      action._update(time, deltaTime, timeDirection, accuIndex);
    }
    const bindings = this._bindings, nBindings = this._nActiveBindings;
    for (let i = 0; i !== nBindings; ++i) {
      bindings[i].apply(accuIndex);
    }
    return this;
  }
  setTime(timeInSeconds) {
    this.time = 0;
    for (let i = 0; i < this._actions.length; i++) {
      this._actions[i].time = 0;
    }
    return this.update(timeInSeconds);
  }
  getRoot() {
    return this._root;
  }
  uncacheClip(clip) {
    const actions = this._actions, clipUuid = clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid];
    if (actionsForClip !== void 0) {
      const actionsToRemove = actionsForClip.knownActions;
      for (let i = 0, n = actionsToRemove.length; i !== n; ++i) {
        const action = actionsToRemove[i];
        this._deactivateAction(action);
        const cacheIndex = action._cacheIndex, lastInactiveAction = actions[actions.length - 1];
        action._cacheIndex = null;
        action._byClipCacheIndex = null;
        lastInactiveAction._cacheIndex = cacheIndex;
        actions[cacheIndex] = lastInactiveAction;
        actions.pop();
        this._removeInactiveBindingsForAction(action);
      }
      delete actionsByClip[clipUuid];
    }
  }
  uncacheRoot(root) {
    const rootUuid = root.uuid, actionsByClip = this._actionsByClip;
    for (const clipUuid in actionsByClip) {
      const actionByRoot = actionsByClip[clipUuid].actionByRoot, action = actionByRoot[rootUuid];
      if (action !== void 0) {
        this._deactivateAction(action);
        this._removeInactiveAction(action);
      }
    }
    const bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid];
    if (bindingByName !== void 0) {
      for (const trackName in bindingByName) {
        const binding = bindingByName[trackName];
        binding.restoreOriginalState();
        this._removeInactiveBinding(binding);
      }
    }
  }
  uncacheAction(clip, optionalRoot) {
    const action = this.existingAction(clip, optionalRoot);
    if (action !== null) {
      this._deactivateAction(action);
      this._removeInactiveAction(action);
    }
  }
};
AnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array(1);
var Uniform = class {
  constructor(value) {
    if (typeof value === "string") {
      console.warn("THREE.Uniform: Type parameter is no longer needed.");
      value = arguments[1];
    }
    this.value = value;
  }
  clone() {
    return new Uniform(this.value.clone === void 0 ? this.value : this.value.clone());
  }
};
var InstancedInterleavedBuffer = class extends InterleavedBuffer {
  constructor(array, stride, meshPerAttribute = 1) {
    super(array, stride);
    this.meshPerAttribute = meshPerAttribute;
  }
  copy(source) {
    super.copy(source);
    this.meshPerAttribute = source.meshPerAttribute;
    return this;
  }
  clone(data) {
    const ib = super.clone(data);
    ib.meshPerAttribute = this.meshPerAttribute;
    return ib;
  }
  toJSON(data) {
    const json = super.toJSON(data);
    json.isInstancedInterleavedBuffer = true;
    json.meshPerAttribute = this.meshPerAttribute;
    return json;
  }
};
InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;
var GLBufferAttribute = class {
  constructor(buffer, type, itemSize, elementSize, count) {
    this.buffer = buffer;
    this.type = type;
    this.itemSize = itemSize;
    this.elementSize = elementSize;
    this.count = count;
    this.version = 0;
  }
  set needsUpdate(value) {
    if (value === true)
      this.version++;
  }
  setBuffer(buffer) {
    this.buffer = buffer;
    return this;
  }
  setType(type, elementSize) {
    this.type = type;
    this.elementSize = elementSize;
    return this;
  }
  setItemSize(itemSize) {
    this.itemSize = itemSize;
    return this;
  }
  setCount(count) {
    this.count = count;
    return this;
  }
};
GLBufferAttribute.prototype.isGLBufferAttribute = true;
var _vector$4 = /* @__PURE__ */ new Vector2();
var Box2 = class {
  constructor(min = new Vector2(Infinity, Infinity), max = new Vector2(-Infinity, -Infinity)) {
    this.min = min;
    this.max = max;
  }
  set(min, max) {
    this.min.copy(min);
    this.max.copy(max);
    return this;
  }
  setFromPoints(points) {
    this.makeEmpty();
    for (let i = 0, il = points.length; i < il; i++) {
      this.expandByPoint(points[i]);
    }
    return this;
  }
  setFromCenterAndSize(center, size) {
    const halfSize = _vector$4.copy(size).multiplyScalar(0.5);
    this.min.copy(center).sub(halfSize);
    this.max.copy(center).add(halfSize);
    return this;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(box) {
    this.min.copy(box.min);
    this.max.copy(box.max);
    return this;
  }
  makeEmpty() {
    this.min.x = this.min.y = Infinity;
    this.max.x = this.max.y = -Infinity;
    return this;
  }
  isEmpty() {
    return this.max.x < this.min.x || this.max.y < this.min.y;
  }
  getCenter(target) {
    return this.isEmpty() ? target.set(0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5);
  }
  getSize(target) {
    return this.isEmpty() ? target.set(0, 0) : target.subVectors(this.max, this.min);
  }
  expandByPoint(point) {
    this.min.min(point);
    this.max.max(point);
    return this;
  }
  expandByVector(vector) {
    this.min.sub(vector);
    this.max.add(vector);
    return this;
  }
  expandByScalar(scalar) {
    this.min.addScalar(-scalar);
    this.max.addScalar(scalar);
    return this;
  }
  containsPoint(point) {
    return point.x < this.min.x || point.x > this.max.x || point.y < this.min.y || point.y > this.max.y ? false : true;
  }
  containsBox(box) {
    return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y;
  }
  getParameter(point, target) {
    return target.set((point.x - this.min.x) / (this.max.x - this.min.x), (point.y - this.min.y) / (this.max.y - this.min.y));
  }
  intersectsBox(box) {
    return box.max.x < this.min.x || box.min.x > this.max.x || box.max.y < this.min.y || box.min.y > this.max.y ? false : true;
  }
  clampPoint(point, target) {
    return target.copy(point).clamp(this.min, this.max);
  }
  distanceToPoint(point) {
    const clampedPoint = _vector$4.copy(point).clamp(this.min, this.max);
    return clampedPoint.sub(point).length();
  }
  intersect(box) {
    this.min.max(box.min);
    this.max.min(box.max);
    return this;
  }
  union(box) {
    this.min.min(box.min);
    this.max.max(box.max);
    return this;
  }
  translate(offset) {
    this.min.add(offset);
    this.max.add(offset);
    return this;
  }
  equals(box) {
    return box.min.equals(this.min) && box.max.equals(this.max);
  }
};
Box2.prototype.isBox2 = true;
var _startP = /* @__PURE__ */ new Vector3();
var _startEnd = /* @__PURE__ */ new Vector3();
var Line3 = class {
  constructor(start = new Vector3(), end = new Vector3()) {
    this.start = start;
    this.end = end;
  }
  set(start, end) {
    this.start.copy(start);
    this.end.copy(end);
    return this;
  }
  copy(line) {
    this.start.copy(line.start);
    this.end.copy(line.end);
    return this;
  }
  getCenter(target) {
    return target.addVectors(this.start, this.end).multiplyScalar(0.5);
  }
  delta(target) {
    return target.subVectors(this.end, this.start);
  }
  distanceSq() {
    return this.start.distanceToSquared(this.end);
  }
  distance() {
    return this.start.distanceTo(this.end);
  }
  at(t, target) {
    return this.delta(target).multiplyScalar(t).add(this.start);
  }
  closestPointToPointParameter(point, clampToLine) {
    _startP.subVectors(point, this.start);
    _startEnd.subVectors(this.end, this.start);
    const startEnd2 = _startEnd.dot(_startEnd);
    const startEnd_startP = _startEnd.dot(_startP);
    let t = startEnd_startP / startEnd2;
    if (clampToLine) {
      t = clamp(t, 0, 1);
    }
    return t;
  }
  closestPointToPoint(point, clampToLine, target) {
    const t = this.closestPointToPointParameter(point, clampToLine);
    return this.delta(target).multiplyScalar(t).add(this.start);
  }
  applyMatrix4(matrix) {
    this.start.applyMatrix4(matrix);
    this.end.applyMatrix4(matrix);
    return this;
  }
  equals(line) {
    return line.start.equals(this.start) && line.end.equals(this.end);
  }
  clone() {
    return new this.constructor().copy(this);
  }
};
var ImmediateRenderObject = class extends Object3D {
  constructor(material) {
    super();
    this.material = material;
    this.render = function() {
    };
    this.hasPositions = false;
    this.hasNormals = false;
    this.hasColors = false;
    this.hasUvs = false;
    this.positionArray = null;
    this.normalArray = null;
    this.colorArray = null;
    this.uvArray = null;
    this.count = 0;
  }
};
ImmediateRenderObject.prototype.isImmediateRenderObject = true;
var _vector$2 = /* @__PURE__ */ new Vector3();
var _boneMatrix = /* @__PURE__ */ new Matrix4();
var _matrixWorldInv = /* @__PURE__ */ new Matrix4();
var SkeletonHelper = class extends LineSegments {
  constructor(object) {
    const bones = getBoneList(object);
    const geometry = new BufferGeometry();
    const vertices = [];
    const colors = [];
    const color1 = new Color(0, 0, 1);
    const color2 = new Color(0, 1, 0);
    for (let i = 0; i < bones.length; i++) {
      const bone = bones[i];
      if (bone.parent && bone.parent.isBone) {
        vertices.push(0, 0, 0);
        vertices.push(0, 0, 0);
        colors.push(color1.r, color1.g, color1.b);
        colors.push(color2.r, color2.g, color2.b);
      }
    }
    geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3));
    geometry.setAttribute("color", new Float32BufferAttribute(colors, 3));
    const material = new LineBasicMaterial({ vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true });
    super(geometry, material);
    this.type = "SkeletonHelper";
    this.isSkeletonHelper = true;
    this.root = object;
    this.bones = bones;
    this.matrix = object.matrixWorld;
    this.matrixAutoUpdate = false;
  }
  updateMatrixWorld(force) {
    const bones = this.bones;
    const geometry = this.geometry;
    const position = geometry.getAttribute("position");
    _matrixWorldInv.copy(this.root.matrixWorld).invert();
    for (let i = 0, j = 0; i < bones.length; i++) {
      const bone = bones[i];
      if (bone.parent && bone.parent.isBone) {
        _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.matrixWorld);
        _vector$2.setFromMatrixPosition(_boneMatrix);
        position.setXYZ(j, _vector$2.x, _vector$2.y, _vector$2.z);
        _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.parent.matrixWorld);
        _vector$2.setFromMatrixPosition(_boneMatrix);
        position.setXYZ(j + 1, _vector$2.x, _vector$2.y, _vector$2.z);
        j += 2;
      }
    }
    geometry.getAttribute("position").needsUpdate = true;
    super.updateMatrixWorld(force);
  }
};
function getBoneList(object) {
  const boneList = [];
  if (object && object.isBone) {
    boneList.push(object);
  }
  for (let i = 0; i < object.children.length; i++) {
    boneList.push.apply(boneList, getBoneList(object.children[i]));
  }
  return boneList;
}
var GridHelper = class extends LineSegments {
  constructor(size = 10, divisions = 10, color1 = 4473924, color2 = 8947848) {
    color1 = new Color(color1);
    color2 = new Color(color2);
    const center = divisions / 2;
    const step = size / divisions;
    const halfSize = size / 2;
    const vertices = [], colors = [];
    for (let i = 0, j = 0, k = -halfSize; i <= divisions; i++, k += step) {
      vertices.push(-halfSize, 0, k, halfSize, 0, k);
      vertices.push(k, 0, -halfSize, k, 0, halfSize);
      const color = i === center ? color1 : color2;
      color.toArray(colors, j);
      j += 3;
      color.toArray(colors, j);
      j += 3;
      color.toArray(colors, j);
      j += 3;
      color.toArray(colors, j);
      j += 3;
    }
    const geometry = new BufferGeometry();
    geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3));
    geometry.setAttribute("color", new Float32BufferAttribute(colors, 3));
    const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false });
    super(geometry, material);
    this.type = "GridHelper";
  }
};
var _floatView = new Float32Array(1);
var _int32View = new Int32Array(_floatView.buffer);
Curve.create = function(construct, getPoint) {
  console.log("THREE.Curve.create() has been deprecated");
  construct.prototype = Object.create(Curve.prototype);
  construct.prototype.constructor = construct;
  construct.prototype.getPoint = getPoint;
  return construct;
};
Path.prototype.fromPoints = function(points) {
  console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints().");
  return this.setFromPoints(points);
};
GridHelper.prototype.setColors = function() {
  console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.");
};
SkeletonHelper.prototype.update = function() {
  console.error("THREE.SkeletonHelper: update() no longer needs to be called.");
};
Loader.prototype.extractUrlBase = function(url) {
  console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.");
  return LoaderUtils.extractUrlBase(url);
};
Loader.Handlers = {
  add: function() {
    console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.");
  },
  get: function() {
    console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.");
  }
};
Box2.prototype.center = function(optionalTarget) {
  console.warn("THREE.Box2: .center() has been renamed to .getCenter().");
  return this.getCenter(optionalTarget);
};
Box2.prototype.empty = function() {
  console.warn("THREE.Box2: .empty() has been renamed to .isEmpty().");
  return this.isEmpty();
};
Box2.prototype.isIntersectionBox = function(box) {
  console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().");
  return this.intersectsBox(box);
};
Box2.prototype.size = function(optionalTarget) {
  console.warn("THREE.Box2: .size() has been renamed to .getSize().");
  return this.getSize(optionalTarget);
};
Box3.prototype.center = function(optionalTarget) {
  console.warn("THREE.Box3: .center() has been renamed to .getCenter().");
  return this.getCenter(optionalTarget);
};
Box3.prototype.empty = function() {
  console.warn("THREE.Box3: .empty() has been renamed to .isEmpty().");
  return this.isEmpty();
};
Box3.prototype.isIntersectionBox = function(box) {
  console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().");
  return this.intersectsBox(box);
};
Box3.prototype.isIntersectionSphere = function(sphere) {
  console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().");
  return this.intersectsSphere(sphere);
};
Box3.prototype.size = function(optionalTarget) {
  console.warn("THREE.Box3: .size() has been renamed to .getSize().");
  return this.getSize(optionalTarget);
};
Sphere.prototype.empty = function() {
  console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty().");
  return this.isEmpty();
};
Frustum.prototype.setFromMatrix = function(m) {
  console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().");
  return this.setFromProjectionMatrix(m);
};
Line3.prototype.center = function(optionalTarget) {
  console.warn("THREE.Line3: .center() has been renamed to .getCenter().");
  return this.getCenter(optionalTarget);
};
Matrix3.prototype.flattenToArrayOffset = function(array, offset) {
  console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.");
  return this.toArray(array, offset);
};
Matrix3.prototype.multiplyVector3 = function(vector) {
  console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.");
  return vector.applyMatrix3(this);
};
Matrix3.prototype.multiplyVector3Array = function() {
  console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.");
};
Matrix3.prototype.applyToBufferAttribute = function(attribute) {
  console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.");
  return attribute.applyMatrix3(this);
};
Matrix3.prototype.applyToVector3Array = function() {
  console.error("THREE.Matrix3: .applyToVector3Array() has been removed.");
};
Matrix3.prototype.getInverse = function(matrix) {
  console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.");
  return this.copy(matrix).invert();
};
Matrix4.prototype.extractPosition = function(m) {
  console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().");
  return this.copyPosition(m);
};
Matrix4.prototype.flattenToArrayOffset = function(array, offset) {
  console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.");
  return this.toArray(array, offset);
};
Matrix4.prototype.getPosition = function() {
  console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.");
  return new Vector3().setFromMatrixColumn(this, 3);
};
Matrix4.prototype.setRotationFromQuaternion = function(q) {
  console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().");
  return this.makeRotationFromQuaternion(q);
};
Matrix4.prototype.multiplyToArray = function() {
  console.warn("THREE.Matrix4: .multiplyToArray() has been removed.");
};
Matrix4.prototype.multiplyVector3 = function(vector) {
  console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.");
  return vector.applyMatrix4(this);
};
Matrix4.prototype.multiplyVector4 = function(vector) {
  console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.");
  return vector.applyMatrix4(this);
};
Matrix4.prototype.multiplyVector3Array = function() {
  console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.");
};
Matrix4.prototype.rotateAxis = function(v) {
  console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.");
  v.transformDirection(this);
};
Matrix4.prototype.crossVector = function(vector) {
  console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.");
  return vector.applyMatrix4(this);
};
Matrix4.prototype.translate = function() {
  console.error("THREE.Matrix4: .translate() has been removed.");
};
Matrix4.prototype.rotateX = function() {
  console.error("THREE.Matrix4: .rotateX() has been removed.");
};
Matrix4.prototype.rotateY = function() {
  console.error("THREE.Matrix4: .rotateY() has been removed.");
};
Matrix4.prototype.rotateZ = function() {
  console.error("THREE.Matrix4: .rotateZ() has been removed.");
};
Matrix4.prototype.rotateByAxis = function() {
  console.error("THREE.Matrix4: .rotateByAxis() has been removed.");
};
Matrix4.prototype.applyToBufferAttribute = function(attribute) {
  console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.");
  return attribute.applyMatrix4(this);
};
Matrix4.prototype.applyToVector3Array = function() {
  console.error("THREE.Matrix4: .applyToVector3Array() has been removed.");
};
Matrix4.prototype.makeFrustum = function(left, right, bottom, top, near, far) {
  console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.");
  return this.makePerspective(left, right, top, bottom, near, far);
};
Matrix4.prototype.getInverse = function(matrix) {
  console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.");
  return this.copy(matrix).invert();
};
Plane.prototype.isIntersectionLine = function(line) {
  console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().");
  return this.intersectsLine(line);
};
Quaternion.prototype.multiplyVector3 = function(vector) {
  console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.");
  return vector.applyQuaternion(this);
};
Quaternion.prototype.inverse = function() {
  console.warn("THREE.Quaternion: .inverse() has been renamed to invert().");
  return this.invert();
};
Ray.prototype.isIntersectionBox = function(box) {
  console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().");
  return this.intersectsBox(box);
};
Ray.prototype.isIntersectionPlane = function(plane) {
  console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().");
  return this.intersectsPlane(plane);
};
Ray.prototype.isIntersectionSphere = function(sphere) {
  console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().");
  return this.intersectsSphere(sphere);
};
Triangle.prototype.area = function() {
  console.warn("THREE.Triangle: .area() has been renamed to .getArea().");
  return this.getArea();
};
Triangle.prototype.barycoordFromPoint = function(point, target) {
  console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().");
  return this.getBarycoord(point, target);
};
Triangle.prototype.midpoint = function(target) {
  console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint().");
  return this.getMidpoint(target);
};
Triangle.prototypenormal = function(target) {
  console.warn("THREE.Triangle: .normal() has been renamed to .getNormal().");
  return this.getNormal(target);
};
Triangle.prototype.plane = function(target) {
  console.warn("THREE.Triangle: .plane() has been renamed to .getPlane().");
  return this.getPlane(target);
};
Triangle.barycoordFromPoint = function(point, a2, b2, c2, target) {
  console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().");
  return Triangle.getBarycoord(point, a2, b2, c2, target);
};
Triangle.normal = function(a2, b2, c2, target) {
  console.warn("THREE.Triangle: .normal() has been renamed to .getNormal().");
  return Triangle.getNormal(a2, b2, c2, target);
};
Shape.prototype.extractAllPoints = function(divisions) {
  console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.");
  return this.extractPoints(divisions);
};
Shape.prototype.extrude = function(options) {
  console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.");
  return new ExtrudeGeometry(this, options);
};
Shape.prototype.makeGeometry = function(options) {
  console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.");
  return new ShapeGeometry(this, options);
};
Vector2.prototype.fromAttribute = function(attribute, index, offset) {
  console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().");
  return this.fromBufferAttribute(attribute, index, offset);
};
Vector2.prototype.distanceToManhattan = function(v) {
  console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().");
  return this.manhattanDistanceTo(v);
};
Vector2.prototype.lengthManhattan = function() {
  console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().");
  return this.manhattanLength();
};
Vector3.prototype.setEulerFromRotationMatrix = function() {
  console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.");
};
Vector3.prototype.setEulerFromQuaternion = function() {
  console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.");
};
Vector3.prototype.getPositionFromMatrix = function(m) {
  console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().");
  return this.setFromMatrixPosition(m);
};
Vector3.prototype.getScaleFromMatrix = function(m) {
  console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().");
  return this.setFromMatrixScale(m);
};
Vector3.prototype.getColumnFromMatrix = function(index, matrix) {
  console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().");
  return this.setFromMatrixColumn(matrix, index);
};
Vector3.prototype.applyProjection = function(m) {
  console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.");
  return this.applyMatrix4(m);
};
Vector3.prototype.fromAttribute = function(attribute, index, offset) {
  console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().");
  return this.fromBufferAttribute(attribute, index, offset);
};
Vector3.prototype.distanceToManhattan = function(v) {
  console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().");
  return this.manhattanDistanceTo(v);
};
Vector3.prototype.lengthManhattan = function() {
  console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().");
  return this.manhattanLength();
};
Vector4.prototype.fromAttribute = function(attribute, index, offset) {
  console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().");
  return this.fromBufferAttribute(attribute, index, offset);
};
Vector4.prototype.lengthManhattan = function() {
  console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().");
  return this.manhattanLength();
};
Object3D.prototype.getChildByName = function(name) {
  console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().");
  return this.getObjectByName(name);
};
Object3D.prototype.renderDepth = function() {
  console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.");
};
Object3D.prototype.translate = function(distance, axis) {
  console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.");
  return this.translateOnAxis(axis, distance);
};
Object3D.prototype.getWorldRotation = function() {
  console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.");
};
Object3D.prototype.applyMatrix = function(matrix) {
  console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().");
  return this.applyMatrix4(matrix);
};
Object.defineProperties(Object3D.prototype, {
  eulerOrder: {
    get: function() {
      console.warn("THREE.Object3D: .eulerOrder is now .rotation.order.");
      return this.rotation.order;
    },
    set: function(value) {
      console.warn("THREE.Object3D: .eulerOrder is now .rotation.order.");
      this.rotation.order = value;
    }
  },
  useQuaternion: {
    get: function() {
      console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.");
    },
    set: function() {
      console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.");
    }
  }
});
Mesh.prototype.setDrawMode = function() {
  console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.");
};
Object.defineProperties(Mesh.prototype, {
  drawMode: {
    get: function() {
      console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.");
      return TrianglesDrawMode;
    },
    set: function() {
      console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.");
    }
  }
});
SkinnedMesh.prototype.initBones = function() {
  console.error("THREE.SkinnedMesh: initBones() has been removed.");
};
PerspectiveCamera.prototype.setLens = function(focalLength, filmGauge) {
  console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup.");
  if (filmGauge !== void 0)
    this.filmGauge = filmGauge;
  this.setFocalLength(focalLength);
};
Object.defineProperties(Light.prototype, {
  onlyShadow: {
    set: function() {
      console.warn("THREE.Light: .onlyShadow has been removed.");
    }
  },
  shadowCameraFov: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov.");
      this.shadow.camera.fov = value;
    }
  },
  shadowCameraLeft: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left.");
      this.shadow.camera.left = value;
    }
  },
  shadowCameraRight: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right.");
      this.shadow.camera.right = value;
    }
  },
  shadowCameraTop: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top.");
      this.shadow.camera.top = value;
    }
  },
  shadowCameraBottom: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.");
      this.shadow.camera.bottom = value;
    }
  },
  shadowCameraNear: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near.");
      this.shadow.camera.near = value;
    }
  },
  shadowCameraFar: {
    set: function(value) {
      console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far.");
      this.shadow.camera.far = value;
    }
  },
  shadowCameraVisible: {
    set: function() {
      console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.");
    }
  },
  shadowBias: {
    set: function(value) {
      console.warn("THREE.Light: .shadowBias is now .shadow.bias.");
      this.shadow.bias = value;
    }
  },
  shadowDarkness: {
    set: function() {
      console.warn("THREE.Light: .shadowDarkness has been removed.");
    }
  },
  shadowMapWidth: {
    set: function(value) {
      console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.");
      this.shadow.mapSize.width = value;
    }
  },
  shadowMapHeight: {
    set: function(value) {
      console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.");
      this.shadow.mapSize.height = value;
    }
  }
});
Object.defineProperties(BufferAttribute.prototype, {
  length: {
    get: function() {
      console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead.");
      return this.array.length;
    }
  },
  dynamic: {
    get: function() {
      console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.");
      return this.usage === DynamicDrawUsage;
    },
    set: function() {
      console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.");
      this.setUsage(DynamicDrawUsage);
    }
  }
});
BufferAttribute.prototype.setDynamic = function(value) {
  console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.");
  this.setUsage(value === true ? DynamicDrawUsage : StaticDrawUsage);
  return this;
};
BufferAttribute.prototype.copyIndicesArray = function() {
  console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.");
}, BufferAttribute.prototype.setArray = function() {
  console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers");
};
BufferGeometry.prototype.addIndex = function(index) {
  console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().");
  this.setIndex(index);
};
BufferGeometry.prototype.addAttribute = function(name, attribute) {
  console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().");
  if (!(attribute && attribute.isBufferAttribute) && !(attribute && attribute.isInterleavedBufferAttribute)) {
    console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).");
    return this.setAttribute(name, new BufferAttribute(arguments[1], arguments[2]));
  }
  if (name === "index") {
    console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.");
    this.setIndex(attribute);
    return this;
  }
  return this.setAttribute(name, attribute);
};
BufferGeometry.prototype.addDrawCall = function(start, count, indexOffset) {
  if (indexOffset !== void 0) {
    console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.");
  }
  console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup().");
  this.addGroup(start, count);
};
BufferGeometry.prototype.clearDrawCalls = function() {
  console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().");
  this.clearGroups();
};
BufferGeometry.prototype.computeOffsets = function() {
  console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.");
};
BufferGeometry.prototype.removeAttribute = function(name) {
  console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().");
  return this.deleteAttribute(name);
};
BufferGeometry.prototype.applyMatrix = function(matrix) {
  console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().");
  return this.applyMatrix4(matrix);
};
Object.defineProperties(BufferGeometry.prototype, {
  drawcalls: {
    get: function() {
      console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups.");
      return this.groups;
    }
  },
  offsets: {
    get: function() {
      console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups.");
      return this.groups;
    }
  }
});
InterleavedBuffer.prototype.setDynamic = function(value) {
  console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.");
  this.setUsage(value === true ? DynamicDrawUsage : StaticDrawUsage);
  return this;
};
InterleavedBuffer.prototype.setArray = function() {
  console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers");
};
ExtrudeGeometry.prototype.getArrays = function() {
  console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.");
};
ExtrudeGeometry.prototype.addShapeList = function() {
  console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.");
};
ExtrudeGeometry.prototype.addShape = function() {
  console.error("THREE.ExtrudeGeometry: .addShape() has been removed.");
};
Scene.prototype.dispose = function() {
  console.error("THREE.Scene: .dispose() has been removed.");
};
Uniform.prototype.onUpdate = function() {
  console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.");
  return this;
};
Object.defineProperties(Material.prototype, {
  wrapAround: {
    get: function() {
      console.warn("THREE.Material: .wrapAround has been removed.");
    },
    set: function() {
      console.warn("THREE.Material: .wrapAround has been removed.");
    }
  },
  overdraw: {
    get: function() {
      console.warn("THREE.Material: .overdraw has been removed.");
    },
    set: function() {
      console.warn("THREE.Material: .overdraw has been removed.");
    }
  },
  wrapRGB: {
    get: function() {
      console.warn("THREE.Material: .wrapRGB has been removed.");
      return new Color();
    }
  },
  shading: {
    get: function() {
      console.error("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead.");
    },
    set: function(value) {
      console.warn("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead.");
      this.flatShading = value === FlatShading;
    }
  },
  stencilMask: {
    get: function() {
      console.warn("THREE." + this.type + ": .stencilMask has been removed. Use .stencilFuncMask instead.");
      return this.stencilFuncMask;
    },
    set: function(value) {
      console.warn("THREE." + this.type + ": .stencilMask has been removed. Use .stencilFuncMask instead.");
      this.stencilFuncMask = value;
    }
  },
  vertexTangents: {
    get: function() {
      console.warn("THREE." + this.type + ": .vertexTangents has been removed.");
    },
    set: function() {
      console.warn("THREE." + this.type + ": .vertexTangents has been removed.");
    }
  }
});
Object.defineProperties(ShaderMaterial.prototype, {
  derivatives: {
    get: function() {
      console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.");
      return this.extensions.derivatives;
    },
    set: function(value) {
      console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.");
      this.extensions.derivatives = value;
    }
  }
});
WebGLRenderer.prototype.clearTarget = function(renderTarget, color, depth, stencil) {
  console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.");
  this.setRenderTarget(renderTarget);
  this.clear(color, depth, stencil);
};
WebGLRenderer.prototype.animate = function(callback) {
  console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop().");
  this.setAnimationLoop(callback);
};
WebGLRenderer.prototype.getCurrentRenderTarget = function() {
  console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().");
  return this.getRenderTarget();
};
WebGLRenderer.prototype.getMaxAnisotropy = function() {
  console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().");
  return this.capabilities.getMaxAnisotropy();
};
WebGLRenderer.prototype.getPrecision = function() {
  console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.");
  return this.capabilities.precision;
};
WebGLRenderer.prototype.resetGLState = function() {
  console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset().");
  return this.state.reset();
};
WebGLRenderer.prototype.supportsFloatTextures = function() {
  console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' ).");
  return this.extensions.get("OES_texture_float");
};
WebGLRenderer.prototype.supportsHalfFloatTextures = function() {
  console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' ).");
  return this.extensions.get("OES_texture_half_float");
};
WebGLRenderer.prototype.supportsStandardDerivatives = function() {
  console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' ).");
  return this.extensions.get("OES_standard_derivatives");
};
WebGLRenderer.prototype.supportsCompressedTextureS3TC = function() {
  console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' ).");
  return this.extensions.get("WEBGL_compressed_texture_s3tc");
};
WebGLRenderer.prototype.supportsCompressedTexturePVRTC = function() {
  console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' ).");
  return this.extensions.get("WEBGL_compressed_texture_pvrtc");
};
WebGLRenderer.prototype.supportsBlendMinMax = function() {
  console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' ).");
  return this.extensions.get("EXT_blend_minmax");
};
WebGLRenderer.prototype.supportsVertexTextures = function() {
  console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.");
  return this.capabilities.vertexTextures;
};
WebGLRenderer.prototype.supportsInstancedArrays = function() {
  console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' ).");
  return this.extensions.get("ANGLE_instanced_arrays");
};
WebGLRenderer.prototype.enableScissorTest = function(boolean) {
  console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().");
  this.setScissorTest(boolean);
};
WebGLRenderer.prototype.initMaterial = function() {
  console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.");
};
WebGLRenderer.prototype.addPrePlugin = function() {
  console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.");
};
WebGLRenderer.prototype.addPostPlugin = function() {
  console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.");
};
WebGLRenderer.prototype.updateShadowMap = function() {
  console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.");
};
WebGLRenderer.prototype.setFaceCulling = function() {
  console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.");
};
WebGLRenderer.prototype.allocTextureUnit = function() {
  console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.");
};
WebGLRenderer.prototype.setTexture = function() {
  console.warn("THREE.WebGLRenderer: .setTexture() has been removed.");
};
WebGLRenderer.prototype.setTexture2D = function() {
  console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.");
};
WebGLRenderer.prototype.setTextureCube = function() {
  console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.");
};
WebGLRenderer.prototype.getActiveMipMapLevel = function() {
  console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().");
  return this.getActiveMipmapLevel();
};
Object.defineProperties(WebGLRenderer.prototype, {
  shadowMapEnabled: {
    get: function() {
      return this.shadowMap.enabled;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.");
      this.shadowMap.enabled = value;
    }
  },
  shadowMapType: {
    get: function() {
      return this.shadowMap.type;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.");
      this.shadowMap.type = value;
    }
  },
  shadowMapCullFace: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.");
      return void 0;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.");
    }
  },
  context: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.");
      return this.getContext();
    }
  },
  vr: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr");
      return this.xr;
    }
  },
  gammaInput: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.");
      return false;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.");
    }
  },
  gammaOutput: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.");
      return false;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.");
      this.outputEncoding = value === true ? sRGBEncoding : LinearEncoding;
    }
  },
  toneMappingWhitePoint: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.");
      return 1;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.");
    }
  }
});
Object.defineProperties(WebGLShadowMap.prototype, {
  cullFace: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.");
      return void 0;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.");
    }
  },
  renderReverseSided: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.");
      return void 0;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.");
    }
  },
  renderSingleSided: {
    get: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.");
      return void 0;
    },
    set: function() {
      console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.");
    }
  }
});
Object.defineProperties(WebGLRenderTarget.prototype, {
  wrapS: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.");
      return this.texture.wrapS;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.");
      this.texture.wrapS = value;
    }
  },
  wrapT: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.");
      return this.texture.wrapT;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.");
      this.texture.wrapT = value;
    }
  },
  magFilter: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.");
      return this.texture.magFilter;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.");
      this.texture.magFilter = value;
    }
  },
  minFilter: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.");
      return this.texture.minFilter;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.");
      this.texture.minFilter = value;
    }
  },
  anisotropy: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.");
      return this.texture.anisotropy;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.");
      this.texture.anisotropy = value;
    }
  },
  offset: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset.");
      return this.texture.offset;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset.");
      this.texture.offset = value;
    }
  },
  repeat: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat.");
      return this.texture.repeat;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat.");
      this.texture.repeat = value;
    }
  },
  format: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .format is now .texture.format.");
      return this.texture.format;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .format is now .texture.format.");
      this.texture.format = value;
    }
  },
  type: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .type is now .texture.type.");
      return this.texture.type;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .type is now .texture.type.");
      this.texture.type = value;
    }
  },
  generateMipmaps: {
    get: function() {
      console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.");
      return this.texture.generateMipmaps;
    },
    set: function(value) {
      console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.");
      this.texture.generateMipmaps = value;
    }
  }
});
Audio.prototype.load = function(file) {
  console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");
  const scope = this;
  const audioLoader = new AudioLoader();
  audioLoader.load(file, function(buffer) {
    scope.setBuffer(buffer);
  });
  return this;
};
AudioAnalyser.prototype.getData = function() {
  console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData().");
  return this.getFrequencyData();
};
CubeCamera.prototype.updateCubeMap = function(renderer, scene) {
  console.warn("THREE.CubeCamera: .updateCubeMap() is now .update().");
  return this.update(renderer, scene);
};
CubeCamera.prototype.clear = function(renderer, color, depth, stencil) {
  console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear().");
  return this.renderTarget.clear(renderer, color, depth, stencil);
};
ImageUtils.crossOrigin = void 0;
ImageUtils.loadTexture = function(url, mapping, onLoad, onError) {
  console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");
  const loader = new TextureLoader();
  loader.setCrossOrigin(this.crossOrigin);
  const texture = loader.load(url, onLoad, void 0, onError);
  if (mapping)
    texture.mapping = mapping;
  return texture;
};
ImageUtils.loadTextureCube = function(urls, mapping, onLoad, onError) {
  console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");
  const loader = new CubeTextureLoader();
  loader.setCrossOrigin(this.crossOrigin);
  const texture = loader.load(urls, onLoad, void 0, onError);
  if (mapping)
    texture.mapping = mapping;
  return texture;
};
ImageUtils.loadCompressedTexture = function() {
  console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.");
};
ImageUtils.loadCompressedTextureCube = function() {
  console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.");
};
if (typeof __THREE_DEVTOOLS__ !== "undefined") {
  __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register", { detail: {
    revision: REVISION
  } }));
}
if (typeof window !== "undefined") {
  if (window.__THREE__) {
    console.warn("WARNING: Multiple instances of Three.js being imported.");
  } else {
    window.__THREE__ = REVISION;
  }
}

// node_modules/cannon-es/dist/cannon-es.js
var Mat3 = class {
  constructor(elements = [0, 0, 0, 0, 0, 0, 0, 0, 0]) {
    this.elements = void 0;
    this.elements = elements;
  }
  identity() {
    const e = this.elements;
    e[0] = 1;
    e[1] = 0;
    e[2] = 0;
    e[3] = 0;
    e[4] = 1;
    e[5] = 0;
    e[6] = 0;
    e[7] = 0;
    e[8] = 1;
  }
  setZero() {
    const e = this.elements;
    e[0] = 0;
    e[1] = 0;
    e[2] = 0;
    e[3] = 0;
    e[4] = 0;
    e[5] = 0;
    e[6] = 0;
    e[7] = 0;
    e[8] = 0;
  }
  setTrace(vector) {
    const e = this.elements;
    e[0] = vector.x;
    e[4] = vector.y;
    e[8] = vector.z;
  }
  getTrace(target = new Vec3()) {
    const e = this.elements;
    target.x = e[0];
    target.y = e[4];
    target.z = e[8];
    return target;
  }
  vmult(v, target = new Vec3()) {
    const e = this.elements;
    const x = v.x;
    const y = v.y;
    const z = v.z;
    target.x = e[0] * x + e[1] * y + e[2] * z;
    target.y = e[3] * x + e[4] * y + e[5] * z;
    target.z = e[6] * x + e[7] * y + e[8] * z;
    return target;
  }
  smult(s) {
    for (let i = 0; i < this.elements.length; i++) {
      this.elements[i] *= s;
    }
  }
  mmult(matrix, target = new Mat3()) {
    const A = this.elements;
    const B = matrix.elements;
    const T = target.elements;
    const a11 = A[0], a12 = A[1], a13 = A[2], a21 = A[3], a22 = A[4], a23 = A[5], a31 = A[6], a32 = A[7], a33 = A[8];
    const b11 = B[0], b12 = B[1], b13 = B[2], b21 = B[3], b22 = B[4], b23 = B[5], b31 = B[6], b32 = B[7], b33 = B[8];
    T[0] = a11 * b11 + a12 * b21 + a13 * b31;
    T[1] = a11 * b12 + a12 * b22 + a13 * b32;
    T[2] = a11 * b13 + a12 * b23 + a13 * b33;
    T[3] = a21 * b11 + a22 * b21 + a23 * b31;
    T[4] = a21 * b12 + a22 * b22 + a23 * b32;
    T[5] = a21 * b13 + a22 * b23 + a23 * b33;
    T[6] = a31 * b11 + a32 * b21 + a33 * b31;
    T[7] = a31 * b12 + a32 * b22 + a33 * b32;
    T[8] = a31 * b13 + a32 * b23 + a33 * b33;
    return target;
  }
  scale(vector, target = new Mat3()) {
    const e = this.elements;
    const t = target.elements;
    for (let i = 0; i !== 3; i++) {
      t[3 * i + 0] = vector.x * e[3 * i + 0];
      t[3 * i + 1] = vector.y * e[3 * i + 1];
      t[3 * i + 2] = vector.z * e[3 * i + 2];
    }
    return target;
  }
  solve(b2, target = new Vec3()) {
    const nr = 3;
    const nc = 4;
    const eqns = [];
    let i;
    let j;
    for (i = 0; i < nr * nc; i++) {
      eqns.push(0);
    }
    for (i = 0; i < 3; i++) {
      for (j = 0; j < 3; j++) {
        eqns[i + nc * j] = this.elements[i + 3 * j];
      }
    }
    eqns[3 + 4 * 0] = b2.x;
    eqns[3 + 4 * 1] = b2.y;
    eqns[3 + 4 * 2] = b2.z;
    let n = 3;
    const k = n;
    let np;
    const kp = 4;
    let p2;
    do {
      i = k - n;
      if (eqns[i + nc * i] === 0) {
        for (j = i + 1; j < k; j++) {
          if (eqns[i + nc * j] !== 0) {
            np = kp;
            do {
              p2 = kp - np;
              eqns[p2 + nc * i] += eqns[p2 + nc * j];
            } while (--np);
            break;
          }
        }
      }
      if (eqns[i + nc * i] !== 0) {
        for (j = i + 1; j < k; j++) {
          const multiplier = eqns[i + nc * j] / eqns[i + nc * i];
          np = kp;
          do {
            p2 = kp - np;
            eqns[p2 + nc * j] = p2 <= i ? 0 : eqns[p2 + nc * j] - eqns[p2 + nc * i] * multiplier;
          } while (--np);
        }
      }
    } while (--n);
    target.z = eqns[2 * nc + 3] / eqns[2 * nc + 2];
    target.y = (eqns[1 * nc + 3] - eqns[1 * nc + 2] * target.z) / eqns[1 * nc + 1];
    target.x = (eqns[0 * nc + 3] - eqns[0 * nc + 2] * target.z - eqns[0 * nc + 1] * target.y) / eqns[0 * nc + 0];
    if (isNaN(target.x) || isNaN(target.y) || isNaN(target.z) || target.x === Infinity || target.y === Infinity || target.z === Infinity) {
      throw "Could not solve equation! Got x=[" + target.toString() + "], b=[" + b2.toString() + "], A=[" + this.toString() + "]";
    }
    return target;
  }
  e(row, column, value) {
    if (value === void 0) {
      return this.elements[column + 3 * row];
    } else {
      this.elements[column + 3 * row] = value;
    }
  }
  copy(matrix) {
    for (let i = 0; i < matrix.elements.length; i++) {
      this.elements[i] = matrix.elements[i];
    }
    return this;
  }
  toString() {
    let r = "";
    const sep = ",";
    for (let i = 0; i < 9; i++) {
      r += this.elements[i] + sep;
    }
    return r;
  }
  reverse(target = new Mat3()) {
    const nr = 3;
    const nc = 6;
    const eqns = reverse_eqns;
    let i;
    let j;
    for (i = 0; i < 3; i++) {
      for (j = 0; j < 3; j++) {
        eqns[i + nc * j] = this.elements[i + 3 * j];
      }
    }
    eqns[3 + 6 * 0] = 1;
    eqns[3 + 6 * 1] = 0;
    eqns[3 + 6 * 2] = 0;
    eqns[4 + 6 * 0] = 0;
    eqns[4 + 6 * 1] = 1;
    eqns[4 + 6 * 2] = 0;
    eqns[5 + 6 * 0] = 0;
    eqns[5 + 6 * 1] = 0;
    eqns[5 + 6 * 2] = 1;
    let n = 3;
    const k = n;
    let np;
    const kp = nc;
    let p2;
    do {
      i = k - n;
      if (eqns[i + nc * i] === 0) {
        for (j = i + 1; j < k; j++) {
          if (eqns[i + nc * j] !== 0) {
            np = kp;
            do {
              p2 = kp - np;
              eqns[p2 + nc * i] += eqns[p2 + nc * j];
            } while (--np);
            break;
          }
        }
      }
      if (eqns[i + nc * i] !== 0) {
        for (j = i + 1; j < k; j++) {
          const multiplier = eqns[i + nc * j] / eqns[i + nc * i];
          np = kp;
          do {
            p2 = kp - np;
            eqns[p2 + nc * j] = p2 <= i ? 0 : eqns[p2 + nc * j] - eqns[p2 + nc * i] * multiplier;
          } while (--np);
        }
      }
    } while (--n);
    i = 2;
    do {
      j = i - 1;
      do {
        const multiplier = eqns[i + nc * j] / eqns[i + nc * i];
        np = nc;
        do {
          p2 = nc - np;
          eqns[p2 + nc * j] = eqns[p2 + nc * j] - eqns[p2 + nc * i] * multiplier;
        } while (--np);
      } while (j--);
    } while (--i);
    i = 2;
    do {
      const multiplier = 1 / eqns[i + nc * i];
      np = nc;
      do {
        p2 = nc - np;
        eqns[p2 + nc * i] = eqns[p2 + nc * i] * multiplier;
      } while (--np);
    } while (i--);
    i = 2;
    do {
      j = 2;
      do {
        p2 = eqns[nr + j + nc * i];
        if (isNaN(p2) || p2 === Infinity) {
          throw "Could not reverse! A=[" + this.toString() + "]";
        }
        target.e(i, j, p2);
      } while (j--);
    } while (i--);
    return target;
  }
  setRotationFromQuaternion(q) {
    const x = q.x;
    const y = q.y;
    const z = q.z;
    const w2 = q.w;
    const x2 = x + x;
    const y2 = y + y;
    const z2 = z + z;
    const xx = x * x2;
    const xy = x * y2;
    const xz = x * z2;
    const yy = y * y2;
    const yz = y * z2;
    const zz = z * z2;
    const wx = w2 * x2;
    const wy = w2 * y2;
    const wz = w2 * z2;
    const e = this.elements;
    e[3 * 0 + 0] = 1 - (yy + zz);
    e[3 * 0 + 1] = xy - wz;
    e[3 * 0 + 2] = xz + wy;
    e[3 * 1 + 0] = xy + wz;
    e[3 * 1 + 1] = 1 - (xx + zz);
    e[3 * 1 + 2] = yz - wx;
    e[3 * 2 + 0] = xz - wy;
    e[3 * 2 + 1] = yz + wx;
    e[3 * 2 + 2] = 1 - (xx + yy);
    return this;
  }
  transpose(target = new Mat3()) {
    const M = this.elements;
    const T = target.elements;
    let tmp3;
    T[0] = M[0];
    T[4] = M[4];
    T[8] = M[8];
    tmp3 = M[1];
    T[1] = M[3];
    T[3] = tmp3;
    tmp3 = M[2];
    T[2] = M[6];
    T[6] = tmp3;
    tmp3 = M[5];
    T[5] = M[7];
    T[7] = tmp3;
    return target;
  }
};
var reverse_eqns = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var Vec3 = class {
  constructor(x = 0, y = 0, z = 0) {
    this.x = void 0;
    this.y = void 0;
    this.z = void 0;
    this.x = x;
    this.y = y;
    this.z = z;
  }
  cross(vector, target = new Vec3()) {
    const vx = vector.x;
    const vy = vector.y;
    const vz = vector.z;
    const x = this.x;
    const y = this.y;
    const z = this.z;
    target.x = y * vz - z * vy;
    target.y = z * vx - x * vz;
    target.z = x * vy - y * vx;
    return target;
  }
  set(x, y, z) {
    this.x = x;
    this.y = y;
    this.z = z;
    return this;
  }
  setZero() {
    this.x = this.y = this.z = 0;
  }
  vadd(vector, target) {
    if (target) {
      target.x = vector.x + this.x;
      target.y = vector.y + this.y;
      target.z = vector.z + this.z;
    } else {
      return new Vec3(this.x + vector.x, this.y + vector.y, this.z + vector.z);
    }
  }
  vsub(vector, target) {
    if (target) {
      target.x = this.x - vector.x;
      target.y = this.y - vector.y;
      target.z = this.z - vector.z;
    } else {
      return new Vec3(this.x - vector.x, this.y - vector.y, this.z - vector.z);
    }
  }
  crossmat() {
    return new Mat3([0, -this.z, this.y, this.z, 0, -this.x, -this.y, this.x, 0]);
  }
  normalize() {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    const n = Math.sqrt(x * x + y * y + z * z);
    if (n > 0) {
      const invN = 1 / n;
      this.x *= invN;
      this.y *= invN;
      this.z *= invN;
    } else {
      this.x = 0;
      this.y = 0;
      this.z = 0;
    }
    return n;
  }
  unit(target = new Vec3()) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    let ninv = Math.sqrt(x * x + y * y + z * z);
    if (ninv > 0) {
      ninv = 1 / ninv;
      target.x = x * ninv;
      target.y = y * ninv;
      target.z = z * ninv;
    } else {
      target.x = 1;
      target.y = 0;
      target.z = 0;
    }
    return target;
  }
  length() {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    return Math.sqrt(x * x + y * y + z * z);
  }
  lengthSquared() {
    return this.dot(this);
  }
  distanceTo(p2) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    const px2 = p2.x;
    const py2 = p2.y;
    const pz2 = p2.z;
    return Math.sqrt((px2 - x) * (px2 - x) + (py2 - y) * (py2 - y) + (pz2 - z) * (pz2 - z));
  }
  distanceSquared(p2) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    const px2 = p2.x;
    const py2 = p2.y;
    const pz2 = p2.z;
    return (px2 - x) * (px2 - x) + (py2 - y) * (py2 - y) + (pz2 - z) * (pz2 - z);
  }
  scale(scalar, target = new Vec3()) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    target.x = scalar * x;
    target.y = scalar * y;
    target.z = scalar * z;
    return target;
  }
  vmul(vector, target = new Vec3()) {
    target.x = vector.x * this.x;
    target.y = vector.y * this.y;
    target.z = vector.z * this.z;
    return target;
  }
  addScaledVector(scalar, vector, target = new Vec3()) {
    target.x = this.x + scalar * vector.x;
    target.y = this.y + scalar * vector.y;
    target.z = this.z + scalar * vector.z;
    return target;
  }
  dot(vector) {
    return this.x * vector.x + this.y * vector.y + this.z * vector.z;
  }
  isZero() {
    return this.x === 0 && this.y === 0 && this.z === 0;
  }
  negate(target = new Vec3()) {
    target.x = -this.x;
    target.y = -this.y;
    target.z = -this.z;
    return target;
  }
  tangents(t1, t2) {
    const norm = this.length();
    if (norm > 0) {
      const n = Vec3_tangents_n;
      const inorm = 1 / norm;
      n.set(this.x * inorm, this.y * inorm, this.z * inorm);
      const randVec = Vec3_tangents_randVec;
      if (Math.abs(n.x) < 0.9) {
        randVec.set(1, 0, 0);
        n.cross(randVec, t1);
      } else {
        randVec.set(0, 1, 0);
        n.cross(randVec, t1);
      }
      n.cross(t1, t2);
    } else {
      t1.set(1, 0, 0);
      t2.set(0, 1, 0);
    }
  }
  toString() {
    return this.x + "," + this.y + "," + this.z;
  }
  toArray() {
    return [this.x, this.y, this.z];
  }
  copy(vector) {
    this.x = vector.x;
    this.y = vector.y;
    this.z = vector.z;
    return this;
  }
  lerp(vector, t, target) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    target.x = x + (vector.x - x) * t;
    target.y = y + (vector.y - y) * t;
    target.z = z + (vector.z - z) * t;
  }
  almostEquals(vector, precision = 1e-6) {
    if (Math.abs(this.x - vector.x) > precision || Math.abs(this.y - vector.y) > precision || Math.abs(this.z - vector.z) > precision) {
      return false;
    }
    return true;
  }
  almostZero(precision = 1e-6) {
    if (Math.abs(this.x) > precision || Math.abs(this.y) > precision || Math.abs(this.z) > precision) {
      return false;
    }
    return true;
  }
  isAntiparallelTo(vector, precision) {
    this.negate(antip_neg);
    return antip_neg.almostEquals(vector, precision);
  }
  clone() {
    return new Vec3(this.x, this.y, this.z);
  }
};
Vec3.ZERO = void 0;
Vec3.UNIT_X = void 0;
Vec3.UNIT_Y = void 0;
Vec3.UNIT_Z = void 0;
Vec3.ZERO = new Vec3(0, 0, 0);
Vec3.UNIT_X = new Vec3(1, 0, 0);
Vec3.UNIT_Y = new Vec3(0, 1, 0);
Vec3.UNIT_Z = new Vec3(0, 0, 1);
var Vec3_tangents_n = new Vec3();
var Vec3_tangents_randVec = new Vec3();
var antip_neg = new Vec3();
var AABB = class {
  constructor(options = {}) {
    this.lowerBound = void 0;
    this.upperBound = void 0;
    this.lowerBound = new Vec3();
    this.upperBound = new Vec3();
    if (options.lowerBound) {
      this.lowerBound.copy(options.lowerBound);
    }
    if (options.upperBound) {
      this.upperBound.copy(options.upperBound);
    }
  }
  setFromPoints(points, position, quaternion, skinSize) {
    const l = this.lowerBound;
    const u = this.upperBound;
    const q = quaternion;
    l.copy(points[0]);
    if (q) {
      q.vmult(l, l);
    }
    u.copy(l);
    for (let i = 1; i < points.length; i++) {
      let p2 = points[i];
      if (q) {
        q.vmult(p2, tmp$1);
        p2 = tmp$1;
      }
      if (p2.x > u.x) {
        u.x = p2.x;
      }
      if (p2.x < l.x) {
        l.x = p2.x;
      }
      if (p2.y > u.y) {
        u.y = p2.y;
      }
      if (p2.y < l.y) {
        l.y = p2.y;
      }
      if (p2.z > u.z) {
        u.z = p2.z;
      }
      if (p2.z < l.z) {
        l.z = p2.z;
      }
    }
    if (position) {
      position.vadd(l, l);
      position.vadd(u, u);
    }
    if (skinSize) {
      l.x -= skinSize;
      l.y -= skinSize;
      l.z -= skinSize;
      u.x += skinSize;
      u.y += skinSize;
      u.z += skinSize;
    }
    return this;
  }
  copy(aabb) {
    this.lowerBound.copy(aabb.lowerBound);
    this.upperBound.copy(aabb.upperBound);
    return this;
  }
  clone() {
    return new AABB().copy(this);
  }
  extend(aabb) {
    this.lowerBound.x = Math.min(this.lowerBound.x, aabb.lowerBound.x);
    this.upperBound.x = Math.max(this.upperBound.x, aabb.upperBound.x);
    this.lowerBound.y = Math.min(this.lowerBound.y, aabb.lowerBound.y);
    this.upperBound.y = Math.max(this.upperBound.y, aabb.upperBound.y);
    this.lowerBound.z = Math.min(this.lowerBound.z, aabb.lowerBound.z);
    this.upperBound.z = Math.max(this.upperBound.z, aabb.upperBound.z);
  }
  overlaps(aabb) {
    const l1 = this.lowerBound;
    const u1 = this.upperBound;
    const l2 = aabb.lowerBound;
    const u2 = aabb.upperBound;
    const overlapsX = l2.x <= u1.x && u1.x <= u2.x || l1.x <= u2.x && u2.x <= u1.x;
    const overlapsY = l2.y <= u1.y && u1.y <= u2.y || l1.y <= u2.y && u2.y <= u1.y;
    const overlapsZ = l2.z <= u1.z && u1.z <= u2.z || l1.z <= u2.z && u2.z <= u1.z;
    return overlapsX && overlapsY && overlapsZ;
  }
  volume() {
    const l = this.lowerBound;
    const u = this.upperBound;
    return (u.x - l.x) * (u.y - l.y) * (u.z - l.z);
  }
  contains(aabb) {
    const l1 = this.lowerBound;
    const u1 = this.upperBound;
    const l2 = aabb.lowerBound;
    const u2 = aabb.upperBound;
    return l1.x <= l2.x && u1.x >= u2.x && l1.y <= l2.y && u1.y >= u2.y && l1.z <= l2.z && u1.z >= u2.z;
  }
  getCorners(a2, b2, c2, d, e, f, g, h) {
    const l = this.lowerBound;
    const u = this.upperBound;
    a2.copy(l);
    b2.set(u.x, l.y, l.z);
    c2.set(u.x, u.y, l.z);
    d.set(l.x, u.y, u.z);
    e.set(u.x, l.y, u.z);
    f.set(l.x, u.y, l.z);
    g.set(l.x, l.y, u.z);
    h.copy(u);
  }
  toLocalFrame(frame, target) {
    const corners = transformIntoFrame_corners;
    const a2 = corners[0];
    const b2 = corners[1];
    const c2 = corners[2];
    const d = corners[3];
    const e = corners[4];
    const f = corners[5];
    const g = corners[6];
    const h = corners[7];
    this.getCorners(a2, b2, c2, d, e, f, g, h);
    for (let i = 0; i !== 8; i++) {
      const corner = corners[i];
      frame.pointToLocal(corner, corner);
    }
    return target.setFromPoints(corners);
  }
  toWorldFrame(frame, target) {
    const corners = transformIntoFrame_corners;
    const a2 = corners[0];
    const b2 = corners[1];
    const c2 = corners[2];
    const d = corners[3];
    const e = corners[4];
    const f = corners[5];
    const g = corners[6];
    const h = corners[7];
    this.getCorners(a2, b2, c2, d, e, f, g, h);
    for (let i = 0; i !== 8; i++) {
      const corner = corners[i];
      frame.pointToWorld(corner, corner);
    }
    return target.setFromPoints(corners);
  }
  overlapsRay(ray) {
    const {
      direction,
      from
    } = ray;
    const dirFracX = 1 / direction.x;
    const dirFracY = 1 / direction.y;
    const dirFracZ = 1 / direction.z;
    const t1 = (this.lowerBound.x - from.x) * dirFracX;
    const t2 = (this.upperBound.x - from.x) * dirFracX;
    const t3 = (this.lowerBound.y - from.y) * dirFracY;
    const t4 = (this.upperBound.y - from.y) * dirFracY;
    const t5 = (this.lowerBound.z - from.z) * dirFracZ;
    const t6 = (this.upperBound.z - from.z) * dirFracZ;
    const tmin = Math.max(Math.max(Math.min(t1, t2), Math.min(t3, t4)), Math.min(t5, t6));
    const tmax = Math.min(Math.min(Math.max(t1, t2), Math.max(t3, t4)), Math.max(t5, t6));
    if (tmax < 0) {
      return false;
    }
    if (tmin > tmax) {
      return false;
    }
    return true;
  }
};
var tmp$1 = new Vec3();
var transformIntoFrame_corners = [new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3()];
var ArrayCollisionMatrix = class {
  constructor() {
    this.matrix = void 0;
    this.matrix = [];
  }
  get(bi, bj) {
    let {
      index: i
    } = bi;
    let {
      index: j
    } = bj;
    if (j > i) {
      const temp = j;
      j = i;
      i = temp;
    }
    return this.matrix[(i * (i + 1) >> 1) + j - 1];
  }
  set(bi, bj, value) {
    let {
      index: i
    } = bi;
    let {
      index: j
    } = bj;
    if (j > i) {
      const temp = j;
      j = i;
      i = temp;
    }
    this.matrix[(i * (i + 1) >> 1) + j - 1] = value ? 1 : 0;
  }
  reset() {
    for (let i = 0, l = this.matrix.length; i !== l; i++) {
      this.matrix[i] = 0;
    }
  }
  setNumObjects(n) {
    this.matrix.length = n * (n - 1) >> 1;
  }
};
var EventTarget = class {
  constructor() {
    this._listeners = void 0;
  }
  addEventListener(type, listener3) {
    if (this._listeners === void 0) {
      this._listeners = {};
    }
    const listeners = this._listeners;
    if (listeners[type] === void 0) {
      listeners[type] = [];
    }
    if (!listeners[type].includes(listener3)) {
      listeners[type].push(listener3);
    }
    return this;
  }
  hasEventListener(type, listener3) {
    if (this._listeners === void 0) {
      return false;
    }
    const listeners = this._listeners;
    if (listeners[type] !== void 0 && listeners[type].includes(listener3)) {
      return true;
    }
    return false;
  }
  hasAnyEventListener(type) {
    if (this._listeners === void 0) {
      return false;
    }
    const listeners = this._listeners;
    return listeners[type] !== void 0;
  }
  removeEventListener(type, listener3) {
    if (this._listeners === void 0) {
      return this;
    }
    const listeners = this._listeners;
    if (listeners[type] === void 0) {
      return this;
    }
    const index = listeners[type].indexOf(listener3);
    if (index !== -1) {
      listeners[type].splice(index, 1);
    }
    return this;
  }
  dispatchEvent(event) {
    if (this._listeners === void 0) {
      return this;
    }
    const listeners = this._listeners;
    const listenerArray = listeners[event.type];
    if (listenerArray !== void 0) {
      event.target = this;
      for (let i = 0, l = listenerArray.length; i < l; i++) {
        listenerArray[i].call(this, event);
      }
    }
    return this;
  }
};
var Quaternion2 = class {
  constructor(x = 0, y = 0, z = 0, w2 = 1) {
    this.x = void 0;
    this.y = void 0;
    this.z = void 0;
    this.w = void 0;
    this.x = x;
    this.y = y;
    this.z = z;
    this.w = w2;
  }
  set(x, y, z, w2) {
    this.x = x;
    this.y = y;
    this.z = z;
    this.w = w2;
    return this;
  }
  toString() {
    return this.x + "," + this.y + "," + this.z + "," + this.w;
  }
  toArray() {
    return [this.x, this.y, this.z, this.w];
  }
  setFromAxisAngle(vector, angle) {
    const s = Math.sin(angle * 0.5);
    this.x = vector.x * s;
    this.y = vector.y * s;
    this.z = vector.z * s;
    this.w = Math.cos(angle * 0.5);
    return this;
  }
  toAxisAngle(targetAxis = new Vec3()) {
    this.normalize();
    const angle = 2 * Math.acos(this.w);
    const s = Math.sqrt(1 - this.w * this.w);
    if (s < 1e-3) {
      targetAxis.x = this.x;
      targetAxis.y = this.y;
      targetAxis.z = this.z;
    } else {
      targetAxis.x = this.x / s;
      targetAxis.y = this.y / s;
      targetAxis.z = this.z / s;
    }
    return [targetAxis, angle];
  }
  setFromVectors(u, v) {
    if (u.isAntiparallelTo(v)) {
      const t1 = sfv_t1;
      const t2 = sfv_t2;
      u.tangents(t1, t2);
      this.setFromAxisAngle(t1, Math.PI);
    } else {
      const a2 = u.cross(v);
      this.x = a2.x;
      this.y = a2.y;
      this.z = a2.z;
      this.w = Math.sqrt(u.length() ** 2 * v.length() ** 2) + u.dot(v);
      this.normalize();
    }
    return this;
  }
  mult(quat, target = new Quaternion2()) {
    const ax = this.x;
    const ay = this.y;
    const az = this.z;
    const aw = this.w;
    const bx = quat.x;
    const by = quat.y;
    const bz = quat.z;
    const bw = quat.w;
    target.x = ax * bw + aw * bx + ay * bz - az * by;
    target.y = ay * bw + aw * by + az * bx - ax * bz;
    target.z = az * bw + aw * bz + ax * by - ay * bx;
    target.w = aw * bw - ax * bx - ay * by - az * bz;
    return target;
  }
  inverse(target = new Quaternion2()) {
    const x = this.x;
    const y = this.y;
    const z = this.z;
    const w2 = this.w;
    this.conjugate(target);
    const inorm2 = 1 / (x * x + y * y + z * z + w2 * w2);
    target.x *= inorm2;
    target.y *= inorm2;
    target.z *= inorm2;
    target.w *= inorm2;
    return target;
  }
  conjugate(target = new Quaternion2()) {
    target.x = -this.x;
    target.y = -this.y;
    target.z = -this.z;
    target.w = this.w;
    return target;
  }
  normalize() {
    let l = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
    if (l === 0) {
      this.x = 0;
      this.y = 0;
      this.z = 0;
      this.w = 0;
    } else {
      l = 1 / l;
      this.x *= l;
      this.y *= l;
      this.z *= l;
      this.w *= l;
    }
    return this;
  }
  normalizeFast() {
    const f = (3 - (this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w)) / 2;
    if (f === 0) {
      this.x = 0;
      this.y = 0;
      this.z = 0;
      this.w = 0;
    } else {
      this.x *= f;
      this.y *= f;
      this.z *= f;
      this.w *= f;
    }
    return this;
  }
  vmult(v, target = new Vec3()) {
    const x = v.x;
    const y = v.y;
    const z = v.z;
    const qx = this.x;
    const qy = this.y;
    const qz = this.z;
    const qw = this.w;
    const ix = qw * x + qy * z - qz * y;
    const iy = qw * y + qz * x - qx * z;
    const iz = qw * z + qx * y - qy * x;
    const iw = -qx * x - qy * y - qz * z;
    target.x = ix * qw + iw * -qx + iy * -qz - iz * -qy;
    target.y = iy * qw + iw * -qy + iz * -qx - ix * -qz;
    target.z = iz * qw + iw * -qz + ix * -qy - iy * -qx;
    return target;
  }
  copy(quat) {
    this.x = quat.x;
    this.y = quat.y;
    this.z = quat.z;
    this.w = quat.w;
    return this;
  }
  toEuler(target, order = "YZX") {
    let heading;
    let attitude;
    let bank;
    const x = this.x;
    const y = this.y;
    const z = this.z;
    const w2 = this.w;
    switch (order) {
      case "YZX":
        const test = x * y + z * w2;
        if (test > 0.499) {
          heading = 2 * Math.atan2(x, w2);
          attitude = Math.PI / 2;
          bank = 0;
        }
        if (test < -0.499) {
          heading = -2 * Math.atan2(x, w2);
          attitude = -Math.PI / 2;
          bank = 0;
        }
        if (heading === void 0) {
          const sqx = x * x;
          const sqy = y * y;
          const sqz = z * z;
          heading = Math.atan2(2 * y * w2 - 2 * x * z, 1 - 2 * sqy - 2 * sqz);
          attitude = Math.asin(2 * test);
          bank = Math.atan2(2 * x * w2 - 2 * y * z, 1 - 2 * sqx - 2 * sqz);
        }
        break;
      default:
        throw new Error("Euler order " + order + " not supported yet.");
    }
    target.y = heading;
    target.z = attitude;
    target.x = bank;
  }
  setFromEuler(x, y, z, order = "XYZ") {
    const c1 = Math.cos(x / 2);
    const c2 = Math.cos(y / 2);
    const c3 = Math.cos(z / 2);
    const s1 = Math.sin(x / 2);
    const s2 = Math.sin(y / 2);
    const s3 = Math.sin(z / 2);
    if (order === "XYZ") {
      this.x = s1 * c2 * c3 + c1 * s2 * s3;
      this.y = c1 * s2 * c3 - s1 * c2 * s3;
      this.z = c1 * c2 * s3 + s1 * s2 * c3;
      this.w = c1 * c2 * c3 - s1 * s2 * s3;
    } else if (order === "YXZ") {
      this.x = s1 * c2 * c3 + c1 * s2 * s3;
      this.y = c1 * s2 * c3 - s1 * c2 * s3;
      this.z = c1 * c2 * s3 - s1 * s2 * c3;
      this.w = c1 * c2 * c3 + s1 * s2 * s3;
    } else if (order === "ZXY") {
      this.x = s1 * c2 * c3 - c1 * s2 * s3;
      this.y = c1 * s2 * c3 + s1 * c2 * s3;
      this.z = c1 * c2 * s3 + s1 * s2 * c3;
      this.w = c1 * c2 * c3 - s1 * s2 * s3;
    } else if (order === "ZYX") {
      this.x = s1 * c2 * c3 - c1 * s2 * s3;
      this.y = c1 * s2 * c3 + s1 * c2 * s3;
      this.z = c1 * c2 * s3 - s1 * s2 * c3;
      this.w = c1 * c2 * c3 + s1 * s2 * s3;
    } else if (order === "YZX") {
      this.x = s1 * c2 * c3 + c1 * s2 * s3;
      this.y = c1 * s2 * c3 + s1 * c2 * s3;
      this.z = c1 * c2 * s3 - s1 * s2 * c3;
      this.w = c1 * c2 * c3 - s1 * s2 * s3;
    } else if (order === "XZY") {
      this.x = s1 * c2 * c3 - c1 * s2 * s3;
      this.y = c1 * s2 * c3 - s1 * c2 * s3;
      this.z = c1 * c2 * s3 + s1 * s2 * c3;
      this.w = c1 * c2 * c3 + s1 * s2 * s3;
    }
    return this;
  }
  clone() {
    return new Quaternion2(this.x, this.y, this.z, this.w);
  }
  slerp(toQuat, t, target = new Quaternion2()) {
    const ax = this.x;
    const ay = this.y;
    const az = this.z;
    const aw = this.w;
    let bx = toQuat.x;
    let by = toQuat.y;
    let bz = toQuat.z;
    let bw = toQuat.w;
    let omega;
    let cosom;
    let sinom;
    let scale0;
    let scale1;
    cosom = ax * bx + ay * by + az * bz + aw * bw;
    if (cosom < 0) {
      cosom = -cosom;
      bx = -bx;
      by = -by;
      bz = -bz;
      bw = -bw;
    }
    if (1 - cosom > 1e-6) {
      omega = Math.acos(cosom);
      sinom = Math.sin(omega);
      scale0 = Math.sin((1 - t) * omega) / sinom;
      scale1 = Math.sin(t * omega) / sinom;
    } else {
      scale0 = 1 - t;
      scale1 = t;
    }
    target.x = scale0 * ax + scale1 * bx;
    target.y = scale0 * ay + scale1 * by;
    target.z = scale0 * az + scale1 * bz;
    target.w = scale0 * aw + scale1 * bw;
    return target;
  }
  integrate(angularVelocity, dt, angularFactor, target = new Quaternion2()) {
    const ax = angularVelocity.x * angularFactor.x, ay = angularVelocity.y * angularFactor.y, az = angularVelocity.z * angularFactor.z, bx = this.x, by = this.y, bz = this.z, bw = this.w;
    const half_dt = dt * 0.5;
    target.x += half_dt * (ax * bw + ay * bz - az * by);
    target.y += half_dt * (ay * bw + az * bx - ax * bz);
    target.z += half_dt * (az * bw + ax * by - ay * bx);
    target.w += half_dt * (-ax * bx - ay * by - az * bz);
    return target;
  }
};
var sfv_t1 = new Vec3();
var sfv_t2 = new Vec3();
var SHAPE_TYPES = {
  SPHERE: 1,
  PLANE: 2,
  BOX: 4,
  COMPOUND: 8,
  CONVEXPOLYHEDRON: 16,
  HEIGHTFIELD: 32,
  PARTICLE: 64,
  CYLINDER: 128,
  TRIMESH: 256
};
var Shape2 = class {
  constructor(options = {}) {
    this.id = void 0;
    this.type = void 0;
    this.boundingSphereRadius = void 0;
    this.collisionResponse = void 0;
    this.collisionFilterGroup = void 0;
    this.collisionFilterMask = void 0;
    this.material = void 0;
    this.body = void 0;
    this.id = Shape2.idCounter++;
    this.type = options.type || 0;
    this.boundingSphereRadius = 0;
    this.collisionResponse = options.collisionResponse ? options.collisionResponse : true;
    this.collisionFilterGroup = options.collisionFilterGroup !== void 0 ? options.collisionFilterGroup : 1;
    this.collisionFilterMask = options.collisionFilterMask !== void 0 ? options.collisionFilterMask : -1;
    this.material = options.material ? options.material : null;
    this.body = null;
  }
  updateBoundingSphereRadius() {
    throw "computeBoundingSphereRadius() not implemented for shape type " + this.type;
  }
  volume() {
    throw "volume() not implemented for shape type " + this.type;
  }
  calculateLocalInertia(mass, target) {
    throw "calculateLocalInertia() not implemented for shape type " + this.type;
  }
  calculateWorldAABB(pos, quat, min, max) {
    throw "calculateWorldAABB() not implemented for shape type " + this.type;
  }
};
Shape2.idCounter = 0;
Shape2.types = SHAPE_TYPES;
var Transform = class {
  constructor(options = {}) {
    this.position = void 0;
    this.quaternion = void 0;
    this.position = new Vec3();
    this.quaternion = new Quaternion2();
    if (options.position) {
      this.position.copy(options.position);
    }
    if (options.quaternion) {
      this.quaternion.copy(options.quaternion);
    }
  }
  pointToLocal(worldPoint, result) {
    return Transform.pointToLocalFrame(this.position, this.quaternion, worldPoint, result);
  }
  pointToWorld(localPoint, result) {
    return Transform.pointToWorldFrame(this.position, this.quaternion, localPoint, result);
  }
  vectorToWorldFrame(localVector, result = new Vec3()) {
    this.quaternion.vmult(localVector, result);
    return result;
  }
  static pointToLocalFrame(position, quaternion, worldPoint, result = new Vec3()) {
    worldPoint.vsub(position, result);
    quaternion.conjugate(tmpQuat$1);
    tmpQuat$1.vmult(result, result);
    return result;
  }
  static pointToWorldFrame(position, quaternion, localPoint, result = new Vec3()) {
    quaternion.vmult(localPoint, result);
    result.vadd(position, result);
    return result;
  }
  static vectorToWorldFrame(quaternion, localVector, result = new Vec3()) {
    quaternion.vmult(localVector, result);
    return result;
  }
  static vectorToLocalFrame(position, quaternion, worldVector, result = new Vec3()) {
    quaternion.w *= -1;
    quaternion.vmult(worldVector, result);
    quaternion.w *= -1;
    return result;
  }
};
var tmpQuat$1 = new Quaternion2();
var ConvexPolyhedron = class extends Shape2 {
  constructor(props = {}) {
    const {
      vertices = [],
      faces = [],
      normals = [],
      axes,
      boundingSphereRadius
    } = props;
    super({
      type: Shape2.types.CONVEXPOLYHEDRON
    });
    this.vertices = void 0;
    this.faces = void 0;
    this.faceNormals = void 0;
    this.worldVertices = void 0;
    this.worldVerticesNeedsUpdate = void 0;
    this.worldFaceNormals = void 0;
    this.worldFaceNormalsNeedsUpdate = void 0;
    this.uniqueAxes = void 0;
    this.uniqueEdges = void 0;
    this.vertices = vertices;
    this.faces = faces;
    this.faceNormals = normals;
    if (this.faceNormals.length === 0) {
      this.computeNormals();
    }
    if (!boundingSphereRadius) {
      this.updateBoundingSphereRadius();
    } else {
      this.boundingSphereRadius = boundingSphereRadius;
    }
    this.worldVertices = [];
    this.worldVerticesNeedsUpdate = true;
    this.worldFaceNormals = [];
    this.worldFaceNormalsNeedsUpdate = true;
    this.uniqueAxes = axes ? axes.slice() : null;
    this.uniqueEdges = [];
    this.computeEdges();
  }
  computeEdges() {
    const faces = this.faces;
    const vertices = this.vertices;
    const edges = this.uniqueEdges;
    edges.length = 0;
    const edge = new Vec3();
    for (let i = 0; i !== faces.length; i++) {
      const face = faces[i];
      const numVertices = face.length;
      for (let j = 0; j !== numVertices; j++) {
        const k = (j + 1) % numVertices;
        vertices[face[j]].vsub(vertices[face[k]], edge);
        edge.normalize();
        let found = false;
        for (let p2 = 0; p2 !== edges.length; p2++) {
          if (edges[p2].almostEquals(edge) || edges[p2].almostEquals(edge)) {
            found = true;
            break;
          }
        }
        if (!found) {
          edges.push(edge.clone());
        }
      }
    }
  }
  computeNormals() {
    this.faceNormals.length = this.faces.length;
    for (let i = 0; i < this.faces.length; i++) {
      for (let j = 0; j < this.faces[i].length; j++) {
        if (!this.vertices[this.faces[i][j]]) {
          throw new Error("Vertex " + this.faces[i][j] + " not found!");
        }
      }
      const n = this.faceNormals[i] || new Vec3();
      this.getFaceNormal(i, n);
      n.negate(n);
      this.faceNormals[i] = n;
      const vertex = this.vertices[this.faces[i][0]];
      if (n.dot(vertex) < 0) {
        console.error(".faceNormals[" + i + "] = Vec3(" + n.toString() + ") looks like it points into the shape? The vertices follow. Make sure they are ordered CCW around the normal, using the right hand rule.");
        for (let j = 0; j < this.faces[i].length; j++) {
          console.warn(".vertices[" + this.faces[i][j] + "] = Vec3(" + this.vertices[this.faces[i][j]].toString() + ")");
        }
      }
    }
  }
  getFaceNormal(i, target) {
    const f = this.faces[i];
    const va2 = this.vertices[f[0]];
    const vb2 = this.vertices[f[1]];
    const vc2 = this.vertices[f[2]];
    ConvexPolyhedron.computeNormal(va2, vb2, vc2, target);
  }
  static computeNormal(va2, vb2, vc2, target) {
    const cb2 = new Vec3();
    const ab2 = new Vec3();
    vb2.vsub(va2, ab2);
    vc2.vsub(vb2, cb2);
    cb2.cross(ab2, target);
    if (!target.isZero()) {
      target.normalize();
    }
  }
  clipAgainstHull(posA, quatA, hullB, posB, quatB, separatingNormal, minDist, maxDist, result) {
    const WorldNormal = new Vec3();
    let closestFaceB = -1;
    let dmax = -Number.MAX_VALUE;
    for (let face = 0; face < hullB.faces.length; face++) {
      WorldNormal.copy(hullB.faceNormals[face]);
      quatB.vmult(WorldNormal, WorldNormal);
      const d = WorldNormal.dot(separatingNormal);
      if (d > dmax) {
        dmax = d;
        closestFaceB = face;
      }
    }
    const worldVertsB1 = [];
    for (let i = 0; i < hullB.faces[closestFaceB].length; i++) {
      const b2 = hullB.vertices[hullB.faces[closestFaceB][i]];
      const worldb = new Vec3();
      worldb.copy(b2);
      quatB.vmult(worldb, worldb);
      posB.vadd(worldb, worldb);
      worldVertsB1.push(worldb);
    }
    if (closestFaceB >= 0) {
      this.clipFaceAgainstHull(separatingNormal, posA, quatA, worldVertsB1, minDist, maxDist, result);
    }
  }
  findSeparatingAxis(hullB, posA, quatA, posB, quatB, target, faceListA, faceListB) {
    const faceANormalWS3 = new Vec3();
    const Worldnormal1 = new Vec3();
    const deltaC = new Vec3();
    const worldEdge0 = new Vec3();
    const worldEdge1 = new Vec3();
    const Cross = new Vec3();
    let dmin = Number.MAX_VALUE;
    const hullA = this;
    if (!hullA.uniqueAxes) {
      const numFacesA = faceListA ? faceListA.length : hullA.faces.length;
      for (let i = 0; i < numFacesA; i++) {
        const fi = faceListA ? faceListA[i] : i;
        faceANormalWS3.copy(hullA.faceNormals[fi]);
        quatA.vmult(faceANormalWS3, faceANormalWS3);
        const d = hullA.testSepAxis(faceANormalWS3, hullB, posA, quatA, posB, quatB);
        if (d === false) {
          return false;
        }
        if (d < dmin) {
          dmin = d;
          target.copy(faceANormalWS3);
        }
      }
    } else {
      for (let i = 0; i !== hullA.uniqueAxes.length; i++) {
        quatA.vmult(hullA.uniqueAxes[i], faceANormalWS3);
        const d = hullA.testSepAxis(faceANormalWS3, hullB, posA, quatA, posB, quatB);
        if (d === false) {
          return false;
        }
        if (d < dmin) {
          dmin = d;
          target.copy(faceANormalWS3);
        }
      }
    }
    if (!hullB.uniqueAxes) {
      const numFacesB = faceListB ? faceListB.length : hullB.faces.length;
      for (let i = 0; i < numFacesB; i++) {
        const fi = faceListB ? faceListB[i] : i;
        Worldnormal1.copy(hullB.faceNormals[fi]);
        quatB.vmult(Worldnormal1, Worldnormal1);
        const d = hullA.testSepAxis(Worldnormal1, hullB, posA, quatA, posB, quatB);
        if (d === false) {
          return false;
        }
        if (d < dmin) {
          dmin = d;
          target.copy(Worldnormal1);
        }
      }
    } else {
      for (let i = 0; i !== hullB.uniqueAxes.length; i++) {
        quatB.vmult(hullB.uniqueAxes[i], Worldnormal1);
        const d = hullA.testSepAxis(Worldnormal1, hullB, posA, quatA, posB, quatB);
        if (d === false) {
          return false;
        }
        if (d < dmin) {
          dmin = d;
          target.copy(Worldnormal1);
        }
      }
    }
    for (let e0 = 0; e0 !== hullA.uniqueEdges.length; e0++) {
      quatA.vmult(hullA.uniqueEdges[e0], worldEdge0);
      for (let e1 = 0; e1 !== hullB.uniqueEdges.length; e1++) {
        quatB.vmult(hullB.uniqueEdges[e1], worldEdge1);
        worldEdge0.cross(worldEdge1, Cross);
        if (!Cross.almostZero()) {
          Cross.normalize();
          const dist = hullA.testSepAxis(Cross, hullB, posA, quatA, posB, quatB);
          if (dist === false) {
            return false;
          }
          if (dist < dmin) {
            dmin = dist;
            target.copy(Cross);
          }
        }
      }
    }
    posB.vsub(posA, deltaC);
    if (deltaC.dot(target) > 0) {
      target.negate(target);
    }
    return true;
  }
  testSepAxis(axis, hullB, posA, quatA, posB, quatB) {
    const hullA = this;
    ConvexPolyhedron.project(hullA, axis, posA, quatA, maxminA);
    ConvexPolyhedron.project(hullB, axis, posB, quatB, maxminB);
    const maxA = maxminA[0];
    const minA = maxminA[1];
    const maxB = maxminB[0];
    const minB = maxminB[1];
    if (maxA < minB || maxB < minA) {
      return false;
    }
    const d0 = maxA - minB;
    const d1 = maxB - minA;
    const depth = d0 < d1 ? d0 : d1;
    return depth;
  }
  calculateLocalInertia(mass, target) {
    const aabbmax = new Vec3();
    const aabbmin = new Vec3();
    this.computeLocalAABB(aabbmin, aabbmax);
    const x = aabbmax.x - aabbmin.x;
    const y = aabbmax.y - aabbmin.y;
    const z = aabbmax.z - aabbmin.z;
    target.x = 1 / 12 * mass * (2 * y * 2 * y + 2 * z * 2 * z);
    target.y = 1 / 12 * mass * (2 * x * 2 * x + 2 * z * 2 * z);
    target.z = 1 / 12 * mass * (2 * y * 2 * y + 2 * x * 2 * x);
  }
  getPlaneConstantOfFace(face_i) {
    const f = this.faces[face_i];
    const n = this.faceNormals[face_i];
    const v = this.vertices[f[0]];
    const c2 = -n.dot(v);
    return c2;
  }
  clipFaceAgainstHull(separatingNormal, posA, quatA, worldVertsB1, minDist, maxDist, result) {
    const faceANormalWS = new Vec3();
    const edge0 = new Vec3();
    const WorldEdge0 = new Vec3();
    const worldPlaneAnormal1 = new Vec3();
    const planeNormalWS1 = new Vec3();
    const worldA1 = new Vec3();
    const localPlaneNormal = new Vec3();
    const planeNormalWS = new Vec3();
    const hullA = this;
    const worldVertsB2 = [];
    const pVtxIn = worldVertsB1;
    const pVtxOut = worldVertsB2;
    let closestFaceA = -1;
    let dmin = Number.MAX_VALUE;
    for (let face = 0; face < hullA.faces.length; face++) {
      faceANormalWS.copy(hullA.faceNormals[face]);
      quatA.vmult(faceANormalWS, faceANormalWS);
      const d = faceANormalWS.dot(separatingNormal);
      if (d < dmin) {
        dmin = d;
        closestFaceA = face;
      }
    }
    if (closestFaceA < 0) {
      return;
    }
    const polyA = hullA.faces[closestFaceA];
    polyA.connectedFaces = [];
    for (let i = 0; i < hullA.faces.length; i++) {
      for (let j = 0; j < hullA.faces[i].length; j++) {
        if (polyA.indexOf(hullA.faces[i][j]) !== -1 && i !== closestFaceA && polyA.connectedFaces.indexOf(i) === -1) {
          polyA.connectedFaces.push(i);
        }
      }
    }
    const numVerticesA = polyA.length;
    for (let i = 0; i < numVerticesA; i++) {
      const a2 = hullA.vertices[polyA[i]];
      const b2 = hullA.vertices[polyA[(i + 1) % numVerticesA]];
      a2.vsub(b2, edge0);
      WorldEdge0.copy(edge0);
      quatA.vmult(WorldEdge0, WorldEdge0);
      posA.vadd(WorldEdge0, WorldEdge0);
      worldPlaneAnormal1.copy(this.faceNormals[closestFaceA]);
      quatA.vmult(worldPlaneAnormal1, worldPlaneAnormal1);
      posA.vadd(worldPlaneAnormal1, worldPlaneAnormal1);
      WorldEdge0.cross(worldPlaneAnormal1, planeNormalWS1);
      planeNormalWS1.negate(planeNormalWS1);
      worldA1.copy(a2);
      quatA.vmult(worldA1, worldA1);
      posA.vadd(worldA1, worldA1);
      const otherFace = polyA.connectedFaces[i];
      localPlaneNormal.copy(this.faceNormals[otherFace]);
      const localPlaneEq2 = this.getPlaneConstantOfFace(otherFace);
      planeNormalWS.copy(localPlaneNormal);
      quatA.vmult(planeNormalWS, planeNormalWS);
      const planeEqWS2 = localPlaneEq2 - planeNormalWS.dot(posA);
      this.clipFaceAgainstPlane(pVtxIn, pVtxOut, planeNormalWS, planeEqWS2);
      while (pVtxIn.length) {
        pVtxIn.shift();
      }
      while (pVtxOut.length) {
        pVtxIn.push(pVtxOut.shift());
      }
    }
    localPlaneNormal.copy(this.faceNormals[closestFaceA]);
    const localPlaneEq = this.getPlaneConstantOfFace(closestFaceA);
    planeNormalWS.copy(localPlaneNormal);
    quatA.vmult(planeNormalWS, planeNormalWS);
    const planeEqWS = localPlaneEq - planeNormalWS.dot(posA);
    for (let i = 0; i < pVtxIn.length; i++) {
      let depth = planeNormalWS.dot(pVtxIn[i]) + planeEqWS;
      if (depth <= minDist) {
        console.log("clamped: depth=" + depth + " to minDist=" + minDist);
        depth = minDist;
      }
      if (depth <= maxDist) {
        const point = pVtxIn[i];
        if (depth <= 1e-6) {
          const p2 = {
            point,
            normal: planeNormalWS,
            depth
          };
          result.push(p2);
        }
      }
    }
  }
  clipFaceAgainstPlane(inVertices, outVertices, planeNormal, planeConstant) {
    let n_dot_first;
    let n_dot_last;
    const numVerts = inVertices.length;
    if (numVerts < 2) {
      return outVertices;
    }
    let firstVertex = inVertices[inVertices.length - 1];
    let lastVertex = inVertices[0];
    n_dot_first = planeNormal.dot(firstVertex) + planeConstant;
    for (let vi = 0; vi < numVerts; vi++) {
      lastVertex = inVertices[vi];
      n_dot_last = planeNormal.dot(lastVertex) + planeConstant;
      if (n_dot_first < 0) {
        if (n_dot_last < 0) {
          const newv = new Vec3();
          newv.copy(lastVertex);
          outVertices.push(newv);
        } else {
          const newv = new Vec3();
          firstVertex.lerp(lastVertex, n_dot_first / (n_dot_first - n_dot_last), newv);
          outVertices.push(newv);
        }
      } else {
        if (n_dot_last < 0) {
          const newv = new Vec3();
          firstVertex.lerp(lastVertex, n_dot_first / (n_dot_first - n_dot_last), newv);
          outVertices.push(newv);
          outVertices.push(lastVertex);
        }
      }
      firstVertex = lastVertex;
      n_dot_first = n_dot_last;
    }
    return outVertices;
  }
  computeWorldVertices(position, quat) {
    while (this.worldVertices.length < this.vertices.length) {
      this.worldVertices.push(new Vec3());
    }
    const verts = this.vertices;
    const worldVerts = this.worldVertices;
    for (let i = 0; i !== this.vertices.length; i++) {
      quat.vmult(verts[i], worldVerts[i]);
      position.vadd(worldVerts[i], worldVerts[i]);
    }
    this.worldVerticesNeedsUpdate = false;
  }
  computeLocalAABB(aabbmin, aabbmax) {
    const vertices = this.vertices;
    aabbmin.set(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE);
    aabbmax.set(-Number.MAX_VALUE, -Number.MAX_VALUE, -Number.MAX_VALUE);
    for (let i = 0; i < this.vertices.length; i++) {
      const v = vertices[i];
      if (v.x < aabbmin.x) {
        aabbmin.x = v.x;
      } else if (v.x > aabbmax.x) {
        aabbmax.x = v.x;
      }
      if (v.y < aabbmin.y) {
        aabbmin.y = v.y;
      } else if (v.y > aabbmax.y) {
        aabbmax.y = v.y;
      }
      if (v.z < aabbmin.z) {
        aabbmin.z = v.z;
      } else if (v.z > aabbmax.z) {
        aabbmax.z = v.z;
      }
    }
  }
  computeWorldFaceNormals(quat) {
    const N = this.faceNormals.length;
    while (this.worldFaceNormals.length < N) {
      this.worldFaceNormals.push(new Vec3());
    }
    const normals = this.faceNormals;
    const worldNormals = this.worldFaceNormals;
    for (let i = 0; i !== N; i++) {
      quat.vmult(normals[i], worldNormals[i]);
    }
    this.worldFaceNormalsNeedsUpdate = false;
  }
  updateBoundingSphereRadius() {
    let max2 = 0;
    const verts = this.vertices;
    for (let i = 0; i !== verts.length; i++) {
      const norm2 = verts[i].lengthSquared();
      if (norm2 > max2) {
        max2 = norm2;
      }
    }
    this.boundingSphereRadius = Math.sqrt(max2);
  }
  calculateWorldAABB(pos, quat, min, max) {
    const verts = this.vertices;
    let minx;
    let miny;
    let minz;
    let maxx;
    let maxy;
    let maxz;
    let tempWorldVertex = new Vec3();
    for (let i = 0; i < verts.length; i++) {
      tempWorldVertex.copy(verts[i]);
      quat.vmult(tempWorldVertex, tempWorldVertex);
      pos.vadd(tempWorldVertex, tempWorldVertex);
      const v = tempWorldVertex;
      if (minx === void 0 || v.x < minx) {
        minx = v.x;
      }
      if (maxx === void 0 || v.x > maxx) {
        maxx = v.x;
      }
      if (miny === void 0 || v.y < miny) {
        miny = v.y;
      }
      if (maxy === void 0 || v.y > maxy) {
        maxy = v.y;
      }
      if (minz === void 0 || v.z < minz) {
        minz = v.z;
      }
      if (maxz === void 0 || v.z > maxz) {
        maxz = v.z;
      }
    }
    min.set(minx, miny, minz);
    max.set(maxx, maxy, maxz);
  }
  volume() {
    return 4 * Math.PI * this.boundingSphereRadius / 3;
  }
  getAveragePointLocal(target = new Vec3()) {
    const verts = this.vertices;
    for (let i = 0; i < verts.length; i++) {
      target.vadd(verts[i], target);
    }
    target.scale(1 / verts.length, target);
    return target;
  }
  transformAllPoints(offset, quat) {
    const n = this.vertices.length;
    const verts = this.vertices;
    if (quat) {
      for (let i = 0; i < n; i++) {
        const v = verts[i];
        quat.vmult(v, v);
      }
      for (let i = 0; i < this.faceNormals.length; i++) {
        const v = this.faceNormals[i];
        quat.vmult(v, v);
      }
    }
    if (offset) {
      for (let i = 0; i < n; i++) {
        const v = verts[i];
        v.vadd(offset, v);
      }
    }
  }
  pointIsInside(p2) {
    const verts = this.vertices;
    const faces = this.faces;
    const normals = this.faceNormals;
    const pointInside = new Vec3();
    this.getAveragePointLocal(pointInside);
    for (let i = 0; i < this.faces.length; i++) {
      let n = normals[i];
      const v = verts[faces[i][0]];
      const vToP = new Vec3();
      p2.vsub(v, vToP);
      const r1 = n.dot(vToP);
      const vToPointInside = new Vec3();
      pointInside.vsub(v, vToPointInside);
      const r2 = n.dot(vToPointInside);
      if (r1 < 0 && r2 > 0 || r1 > 0 && r2 < 0) {
        return false;
      }
    }
    return -1;
  }
  static project(shape, axis, pos, quat, result) {
    const n = shape.vertices.length;
    const localAxis = project_localAxis;
    let max = 0;
    let min = 0;
    const localOrigin = project_localOrigin;
    const vs = shape.vertices;
    localOrigin.setZero();
    Transform.vectorToLocalFrame(pos, quat, axis, localAxis);
    Transform.pointToLocalFrame(pos, quat, localOrigin, localOrigin);
    const add = localOrigin.dot(localAxis);
    min = max = vs[0].dot(localAxis);
    for (let i = 1; i < n; i++) {
      const val = vs[i].dot(localAxis);
      if (val > max) {
        max = val;
      }
      if (val < min) {
        min = val;
      }
    }
    min -= add;
    max -= add;
    if (min > max) {
      const temp = min;
      min = max;
      max = temp;
    }
    result[0] = max;
    result[1] = min;
  }
};
var maxminA = [];
var maxminB = [];
var project_localAxis = new Vec3();
var project_localOrigin = new Vec3();
var Box = class extends Shape2 {
  constructor(halfExtents) {
    super({
      type: Shape2.types.BOX
    });
    this.halfExtents = void 0;
    this.convexPolyhedronRepresentation = void 0;
    this.halfExtents = halfExtents;
    this.convexPolyhedronRepresentation = null;
    this.updateConvexPolyhedronRepresentation();
    this.updateBoundingSphereRadius();
  }
  updateConvexPolyhedronRepresentation() {
    const sx = this.halfExtents.x;
    const sy = this.halfExtents.y;
    const sz = this.halfExtents.z;
    const V = Vec3;
    const vertices = [new V(-sx, -sy, -sz), new V(sx, -sy, -sz), new V(sx, sy, -sz), new V(-sx, sy, -sz), new V(-sx, -sy, sz), new V(sx, -sy, sz), new V(sx, sy, sz), new V(-sx, sy, sz)];
    const faces = [
      [3, 2, 1, 0],
      [4, 5, 6, 7],
      [5, 4, 0, 1],
      [2, 3, 7, 6],
      [0, 4, 7, 3],
      [1, 2, 6, 5]
    ];
    const axes = [new V(0, 0, 1), new V(0, 1, 0), new V(1, 0, 0)];
    const h = new ConvexPolyhedron({
      vertices,
      faces,
      axes
    });
    this.convexPolyhedronRepresentation = h;
    h.material = this.material;
  }
  calculateLocalInertia(mass, target = new Vec3()) {
    Box.calculateInertia(this.halfExtents, mass, target);
    return target;
  }
  static calculateInertia(halfExtents, mass, target) {
    const e = halfExtents;
    target.x = 1 / 12 * mass * (2 * e.y * 2 * e.y + 2 * e.z * 2 * e.z);
    target.y = 1 / 12 * mass * (2 * e.x * 2 * e.x + 2 * e.z * 2 * e.z);
    target.z = 1 / 12 * mass * (2 * e.y * 2 * e.y + 2 * e.x * 2 * e.x);
  }
  getSideNormals(sixTargetVectors, quat) {
    const sides = sixTargetVectors;
    const ex = this.halfExtents;
    sides[0].set(ex.x, 0, 0);
    sides[1].set(0, ex.y, 0);
    sides[2].set(0, 0, ex.z);
    sides[3].set(-ex.x, 0, 0);
    sides[4].set(0, -ex.y, 0);
    sides[5].set(0, 0, -ex.z);
    if (quat !== void 0) {
      for (let i = 0; i !== sides.length; i++) {
        quat.vmult(sides[i], sides[i]);
      }
    }
    return sides;
  }
  volume() {
    return 8 * this.halfExtents.x * this.halfExtents.y * this.halfExtents.z;
  }
  updateBoundingSphereRadius() {
    this.boundingSphereRadius = this.halfExtents.length();
  }
  forEachWorldCorner(pos, quat, callback) {
    const e = this.halfExtents;
    const corners = [[e.x, e.y, e.z], [-e.x, e.y, e.z], [-e.x, -e.y, e.z], [-e.x, -e.y, -e.z], [e.x, -e.y, -e.z], [e.x, e.y, -e.z], [-e.x, e.y, -e.z], [e.x, -e.y, e.z]];
    for (let i = 0; i < corners.length; i++) {
      worldCornerTempPos.set(corners[i][0], corners[i][1], corners[i][2]);
      quat.vmult(worldCornerTempPos, worldCornerTempPos);
      pos.vadd(worldCornerTempPos, worldCornerTempPos);
      callback(worldCornerTempPos.x, worldCornerTempPos.y, worldCornerTempPos.z);
    }
  }
  calculateWorldAABB(pos, quat, min, max) {
    const e = this.halfExtents;
    worldCornersTemp[0].set(e.x, e.y, e.z);
    worldCornersTemp[1].set(-e.x, e.y, e.z);
    worldCornersTemp[2].set(-e.x, -e.y, e.z);
    worldCornersTemp[3].set(-e.x, -e.y, -e.z);
    worldCornersTemp[4].set(e.x, -e.y, -e.z);
    worldCornersTemp[5].set(e.x, e.y, -e.z);
    worldCornersTemp[6].set(-e.x, e.y, -e.z);
    worldCornersTemp[7].set(e.x, -e.y, e.z);
    const wc = worldCornersTemp[0];
    quat.vmult(wc, wc);
    pos.vadd(wc, wc);
    max.copy(wc);
    min.copy(wc);
    for (let i = 1; i < 8; i++) {
      const wc2 = worldCornersTemp[i];
      quat.vmult(wc2, wc2);
      pos.vadd(wc2, wc2);
      const x = wc2.x;
      const y = wc2.y;
      const z = wc2.z;
      if (x > max.x) {
        max.x = x;
      }
      if (y > max.y) {
        max.y = y;
      }
      if (z > max.z) {
        max.z = z;
      }
      if (x < min.x) {
        min.x = x;
      }
      if (y < min.y) {
        min.y = y;
      }
      if (z < min.z) {
        min.z = z;
      }
    }
  }
};
var worldCornerTempPos = new Vec3();
var worldCornersTemp = [new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3()];
var BODY_TYPES = {
  DYNAMIC: 1,
  STATIC: 2,
  KINEMATIC: 4
};
var BODY_SLEEP_STATES = {
  AWAKE: 0,
  SLEEPY: 1,
  SLEEPING: 2
};
var Body = class extends EventTarget {
  constructor(options = {}) {
    super();
    this.id = void 0;
    this.index = void 0;
    this.world = void 0;
    this.preStep = void 0;
    this.postStep = void 0;
    this.vlambda = void 0;
    this.collisionFilterGroup = void 0;
    this.collisionFilterMask = void 0;
    this.collisionResponse = void 0;
    this.position = void 0;
    this.previousPosition = void 0;
    this.interpolatedPosition = void 0;
    this.initPosition = void 0;
    this.velocity = void 0;
    this.initVelocity = void 0;
    this.force = void 0;
    this.mass = void 0;
    this.invMass = void 0;
    this.material = void 0;
    this.linearDamping = void 0;
    this.type = void 0;
    this.allowSleep = void 0;
    this.sleepState = void 0;
    this.sleepSpeedLimit = void 0;
    this.sleepTimeLimit = void 0;
    this.timeLastSleepy = void 0;
    this.wakeUpAfterNarrowphase = void 0;
    this.torque = void 0;
    this.quaternion = void 0;
    this.initQuaternion = void 0;
    this.previousQuaternion = void 0;
    this.interpolatedQuaternion = void 0;
    this.angularVelocity = void 0;
    this.initAngularVelocity = void 0;
    this.shapes = void 0;
    this.shapeOffsets = void 0;
    this.shapeOrientations = void 0;
    this.inertia = void 0;
    this.invInertia = void 0;
    this.invInertiaWorld = void 0;
    this.invMassSolve = void 0;
    this.invInertiaSolve = void 0;
    this.invInertiaWorldSolve = void 0;
    this.fixedRotation = void 0;
    this.angularDamping = void 0;
    this.linearFactor = void 0;
    this.angularFactor = void 0;
    this.aabb = void 0;
    this.aabbNeedsUpdate = void 0;
    this.boundingRadius = void 0;
    this.wlambda = void 0;
    this.isTrigger = void 0;
    this.id = Body.idCounter++;
    this.index = -1;
    this.world = null;
    this.preStep = null;
    this.postStep = null;
    this.vlambda = new Vec3();
    this.collisionFilterGroup = typeof options.collisionFilterGroup === "number" ? options.collisionFilterGroup : 1;
    this.collisionFilterMask = typeof options.collisionFilterMask === "number" ? options.collisionFilterMask : -1;
    this.collisionResponse = typeof options.collisionResponse === "boolean" ? options.collisionResponse : true;
    this.position = new Vec3();
    this.previousPosition = new Vec3();
    this.interpolatedPosition = new Vec3();
    this.initPosition = new Vec3();
    if (options.position) {
      this.position.copy(options.position);
      this.previousPosition.copy(options.position);
      this.interpolatedPosition.copy(options.position);
      this.initPosition.copy(options.position);
    }
    this.velocity = new Vec3();
    if (options.velocity) {
      this.velocity.copy(options.velocity);
    }
    this.initVelocity = new Vec3();
    this.force = new Vec3();
    const mass = typeof options.mass === "number" ? options.mass : 0;
    this.mass = mass;
    this.invMass = mass > 0 ? 1 / mass : 0;
    this.material = options.material || null;
    this.linearDamping = typeof options.linearDamping === "number" ? options.linearDamping : 0.01;
    this.type = mass <= 0 ? Body.STATIC : Body.DYNAMIC;
    if (typeof options.type === typeof Body.STATIC) {
      this.type = options.type;
    }
    this.allowSleep = typeof options.allowSleep !== "undefined" ? options.allowSleep : true;
    this.sleepState = Body.AWAKE;
    this.sleepSpeedLimit = typeof options.sleepSpeedLimit !== "undefined" ? options.sleepSpeedLimit : 0.1;
    this.sleepTimeLimit = typeof options.sleepTimeLimit !== "undefined" ? options.sleepTimeLimit : 1;
    this.timeLastSleepy = 0;
    this.wakeUpAfterNarrowphase = false;
    this.torque = new Vec3();
    this.quaternion = new Quaternion2();
    this.initQuaternion = new Quaternion2();
    this.previousQuaternion = new Quaternion2();
    this.interpolatedQuaternion = new Quaternion2();
    if (options.quaternion) {
      this.quaternion.copy(options.quaternion);
      this.initQuaternion.copy(options.quaternion);
      this.previousQuaternion.copy(options.quaternion);
      this.interpolatedQuaternion.copy(options.quaternion);
    }
    this.angularVelocity = new Vec3();
    if (options.angularVelocity) {
      this.angularVelocity.copy(options.angularVelocity);
    }
    this.initAngularVelocity = new Vec3();
    this.shapes = [];
    this.shapeOffsets = [];
    this.shapeOrientations = [];
    this.inertia = new Vec3();
    this.invInertia = new Vec3();
    this.invInertiaWorld = new Mat3();
    this.invMassSolve = 0;
    this.invInertiaSolve = new Vec3();
    this.invInertiaWorldSolve = new Mat3();
    this.fixedRotation = typeof options.fixedRotation !== "undefined" ? options.fixedRotation : false;
    this.angularDamping = typeof options.angularDamping !== "undefined" ? options.angularDamping : 0.01;
    this.linearFactor = new Vec3(1, 1, 1);
    if (options.linearFactor) {
      this.linearFactor.copy(options.linearFactor);
    }
    this.angularFactor = new Vec3(1, 1, 1);
    if (options.angularFactor) {
      this.angularFactor.copy(options.angularFactor);
    }
    this.aabb = new AABB();
    this.aabbNeedsUpdate = true;
    this.boundingRadius = 0;
    this.wlambda = new Vec3();
    this.isTrigger = Boolean(options.isTrigger);
    if (options.shape) {
      this.addShape(options.shape);
    }
    this.updateMassProperties();
  }
  wakeUp() {
    const prevState = this.sleepState;
    this.sleepState = Body.AWAKE;
    this.wakeUpAfterNarrowphase = false;
    if (prevState === Body.SLEEPING) {
      this.dispatchEvent(Body.wakeupEvent);
    }
  }
  sleep() {
    this.sleepState = Body.SLEEPING;
    this.velocity.set(0, 0, 0);
    this.angularVelocity.set(0, 0, 0);
    this.wakeUpAfterNarrowphase = false;
  }
  sleepTick(time) {
    if (this.allowSleep) {
      const sleepState = this.sleepState;
      const speedSquared = this.velocity.lengthSquared() + this.angularVelocity.lengthSquared();
      const speedLimitSquared = this.sleepSpeedLimit ** 2;
      if (sleepState === Body.AWAKE && speedSquared < speedLimitSquared) {
        this.sleepState = Body.SLEEPY;
        this.timeLastSleepy = time;
        this.dispatchEvent(Body.sleepyEvent);
      } else if (sleepState === Body.SLEEPY && speedSquared > speedLimitSquared) {
        this.wakeUp();
      } else if (sleepState === Body.SLEEPY && time - this.timeLastSleepy > this.sleepTimeLimit) {
        this.sleep();
        this.dispatchEvent(Body.sleepEvent);
      }
    }
  }
  updateSolveMassProperties() {
    if (this.sleepState === Body.SLEEPING || this.type === Body.KINEMATIC) {
      this.invMassSolve = 0;
      this.invInertiaSolve.setZero();
      this.invInertiaWorldSolve.setZero();
    } else {
      this.invMassSolve = this.invMass;
      this.invInertiaSolve.copy(this.invInertia);
      this.invInertiaWorldSolve.copy(this.invInertiaWorld);
    }
  }
  pointToLocalFrame(worldPoint, result = new Vec3()) {
    worldPoint.vsub(this.position, result);
    this.quaternion.conjugate().vmult(result, result);
    return result;
  }
  vectorToLocalFrame(worldVector, result = new Vec3()) {
    this.quaternion.conjugate().vmult(worldVector, result);
    return result;
  }
  pointToWorldFrame(localPoint, result = new Vec3()) {
    this.quaternion.vmult(localPoint, result);
    result.vadd(this.position, result);
    return result;
  }
  vectorToWorldFrame(localVector, result = new Vec3()) {
    this.quaternion.vmult(localVector, result);
    return result;
  }
  addShape(shape, _offset2, _orientation) {
    const offset = new Vec3();
    const orientation = new Quaternion2();
    if (_offset2) {
      offset.copy(_offset2);
    }
    if (_orientation) {
      orientation.copy(_orientation);
    }
    this.shapes.push(shape);
    this.shapeOffsets.push(offset);
    this.shapeOrientations.push(orientation);
    this.updateMassProperties();
    this.updateBoundingRadius();
    this.aabbNeedsUpdate = true;
    shape.body = this;
    return this;
  }
  removeShape(shape) {
    const index = this.shapes.indexOf(shape);
    if (index === -1) {
      console.warn("Shape does not belong to the body");
      return this;
    }
    this.shapes.splice(index, 1);
    this.shapeOffsets.splice(index, 1);
    this.shapeOrientations.splice(index, 1);
    this.updateMassProperties();
    this.updateBoundingRadius();
    this.aabbNeedsUpdate = true;
    shape.body = null;
    return this;
  }
  updateBoundingRadius() {
    const shapes = this.shapes;
    const shapeOffsets = this.shapeOffsets;
    const N = shapes.length;
    let radius = 0;
    for (let i = 0; i !== N; i++) {
      const shape = shapes[i];
      shape.updateBoundingSphereRadius();
      const offset = shapeOffsets[i].length();
      const r = shape.boundingSphereRadius;
      if (offset + r > radius) {
        radius = offset + r;
      }
    }
    this.boundingRadius = radius;
  }
  updateAABB() {
    const shapes = this.shapes;
    const shapeOffsets = this.shapeOffsets;
    const shapeOrientations = this.shapeOrientations;
    const N = shapes.length;
    const offset = tmpVec;
    const orientation = tmpQuat;
    const bodyQuat = this.quaternion;
    const aabb = this.aabb;
    const shapeAABB = updateAABB_shapeAABB;
    for (let i = 0; i !== N; i++) {
      const shape = shapes[i];
      bodyQuat.vmult(shapeOffsets[i], offset);
      offset.vadd(this.position, offset);
      bodyQuat.mult(shapeOrientations[i], orientation);
      shape.calculateWorldAABB(offset, orientation, shapeAABB.lowerBound, shapeAABB.upperBound);
      if (i === 0) {
        aabb.copy(shapeAABB);
      } else {
        aabb.extend(shapeAABB);
      }
    }
    this.aabbNeedsUpdate = false;
  }
  updateInertiaWorld(force) {
    const I = this.invInertia;
    if (I.x === I.y && I.y === I.z && !force)
      ;
    else {
      const m1 = uiw_m1;
      const m2 = uiw_m2;
      m1.setRotationFromQuaternion(this.quaternion);
      m1.transpose(m2);
      m1.scale(I, m1);
      m1.mmult(m2, this.invInertiaWorld);
    }
  }
  applyForce(force, relativePoint = new Vec3()) {
    if (this.type !== Body.DYNAMIC) {
      return;
    }
    if (this.sleepState === Body.SLEEPING) {
      this.wakeUp();
    }
    const rotForce = Body_applyForce_rotForce;
    relativePoint.cross(force, rotForce);
    this.force.vadd(force, this.force);
    this.torque.vadd(rotForce, this.torque);
  }
  applyLocalForce(localForce, localPoint = new Vec3()) {
    if (this.type !== Body.DYNAMIC) {
      return;
    }
    const worldForce = Body_applyLocalForce_worldForce;
    const relativePointWorld = Body_applyLocalForce_relativePointWorld;
    this.vectorToWorldFrame(localForce, worldForce);
    this.vectorToWorldFrame(localPoint, relativePointWorld);
    this.applyForce(worldForce, relativePointWorld);
  }
  applyTorque(torque2) {
    if (this.type !== Body.DYNAMIC) {
      return;
    }
    if (this.sleepState === Body.SLEEPING) {
      this.wakeUp();
    }
    this.torque.vadd(torque2, this.torque);
  }
  applyImpulse(impulse, relativePoint = new Vec3()) {
    if (this.type !== Body.DYNAMIC) {
      return;
    }
    if (this.sleepState === Body.SLEEPING) {
      this.wakeUp();
    }
    const r = relativePoint;
    const velo = Body_applyImpulse_velo;
    velo.copy(impulse);
    velo.scale(this.invMass, velo);
    this.velocity.vadd(velo, this.velocity);
    const rotVelo = Body_applyImpulse_rotVelo;
    r.cross(impulse, rotVelo);
    this.invInertiaWorld.vmult(rotVelo, rotVelo);
    this.angularVelocity.vadd(rotVelo, this.angularVelocity);
  }
  applyLocalImpulse(localImpulse, localPoint = new Vec3()) {
    if (this.type !== Body.DYNAMIC) {
      return;
    }
    const worldImpulse = Body_applyLocalImpulse_worldImpulse;
    const relativePointWorld = Body_applyLocalImpulse_relativePoint;
    this.vectorToWorldFrame(localImpulse, worldImpulse);
    this.vectorToWorldFrame(localPoint, relativePointWorld);
    this.applyImpulse(worldImpulse, relativePointWorld);
  }
  updateMassProperties() {
    const halfExtents = Body_updateMassProperties_halfExtents;
    this.invMass = this.mass > 0 ? 1 / this.mass : 0;
    const I = this.inertia;
    const fixed = this.fixedRotation;
    this.updateAABB();
    halfExtents.set((this.aabb.upperBound.x - this.aabb.lowerBound.x) / 2, (this.aabb.upperBound.y - this.aabb.lowerBound.y) / 2, (this.aabb.upperBound.z - this.aabb.lowerBound.z) / 2);
    Box.calculateInertia(halfExtents, this.mass, I);
    this.invInertia.set(I.x > 0 && !fixed ? 1 / I.x : 0, I.y > 0 && !fixed ? 1 / I.y : 0, I.z > 0 && !fixed ? 1 / I.z : 0);
    this.updateInertiaWorld(true);
  }
  getVelocityAtWorldPoint(worldPoint, result) {
    const r = new Vec3();
    worldPoint.vsub(this.position, r);
    this.angularVelocity.cross(r, result);
    this.velocity.vadd(result, result);
    return result;
  }
  integrate(dt, quatNormalize, quatNormalizeFast) {
    this.previousPosition.copy(this.position);
    this.previousQuaternion.copy(this.quaternion);
    if (!(this.type === Body.DYNAMIC || this.type === Body.KINEMATIC) || this.sleepState === Body.SLEEPING) {
      return;
    }
    const velo = this.velocity;
    const angularVelo = this.angularVelocity;
    const pos = this.position;
    const force = this.force;
    const torque2 = this.torque;
    const quat = this.quaternion;
    const invMass = this.invMass;
    const invInertia = this.invInertiaWorld;
    const linearFactor = this.linearFactor;
    const iMdt = invMass * dt;
    velo.x += force.x * iMdt * linearFactor.x;
    velo.y += force.y * iMdt * linearFactor.y;
    velo.z += force.z * iMdt * linearFactor.z;
    const e = invInertia.elements;
    const angularFactor = this.angularFactor;
    const tx = torque2.x * angularFactor.x;
    const ty = torque2.y * angularFactor.y;
    const tz = torque2.z * angularFactor.z;
    angularVelo.x += dt * (e[0] * tx + e[1] * ty + e[2] * tz);
    angularVelo.y += dt * (e[3] * tx + e[4] * ty + e[5] * tz);
    angularVelo.z += dt * (e[6] * tx + e[7] * ty + e[8] * tz);
    pos.x += velo.x * dt;
    pos.y += velo.y * dt;
    pos.z += velo.z * dt;
    quat.integrate(this.angularVelocity, dt, this.angularFactor, quat);
    if (quatNormalize) {
      if (quatNormalizeFast) {
        quat.normalizeFast();
      } else {
        quat.normalize();
      }
    }
    this.aabbNeedsUpdate = true;
    this.updateInertiaWorld();
  }
};
Body.idCounter = 0;
Body.COLLIDE_EVENT_NAME = "collide";
Body.DYNAMIC = BODY_TYPES.DYNAMIC;
Body.STATIC = BODY_TYPES.STATIC;
Body.KINEMATIC = BODY_TYPES.KINEMATIC;
Body.AWAKE = BODY_SLEEP_STATES.AWAKE;
Body.SLEEPY = BODY_SLEEP_STATES.SLEEPY;
Body.SLEEPING = BODY_SLEEP_STATES.SLEEPING;
Body.wakeupEvent = {
  type: "wakeup"
};
Body.sleepyEvent = {
  type: "sleepy"
};
Body.sleepEvent = {
  type: "sleep"
};
var tmpVec = new Vec3();
var tmpQuat = new Quaternion2();
var updateAABB_shapeAABB = new AABB();
var uiw_m1 = new Mat3();
var uiw_m2 = new Mat3();
var Body_applyForce_rotForce = new Vec3();
var Body_applyLocalForce_worldForce = new Vec3();
var Body_applyLocalForce_relativePointWorld = new Vec3();
var Body_applyImpulse_velo = new Vec3();
var Body_applyImpulse_rotVelo = new Vec3();
var Body_applyLocalImpulse_worldImpulse = new Vec3();
var Body_applyLocalImpulse_relativePoint = new Vec3();
var Body_updateMassProperties_halfExtents = new Vec3();
var Broadphase = class {
  constructor() {
    this.world = void 0;
    this.useBoundingBoxes = void 0;
    this.dirty = void 0;
    this.world = null;
    this.useBoundingBoxes = false;
    this.dirty = true;
  }
  collisionPairs(world, p1, p2) {
    throw new Error("collisionPairs not implemented for this BroadPhase class!");
  }
  needBroadphaseCollision(bodyA, bodyB) {
    if ((bodyA.collisionFilterGroup & bodyB.collisionFilterMask) === 0 || (bodyB.collisionFilterGroup & bodyA.collisionFilterMask) === 0) {
      return false;
    }
    if (((bodyA.type & Body.STATIC) !== 0 || bodyA.sleepState === Body.SLEEPING) && ((bodyB.type & Body.STATIC) !== 0 || bodyB.sleepState === Body.SLEEPING)) {
      return false;
    }
    return true;
  }
  intersectionTest(bodyA, bodyB, pairs1, pairs2) {
    if (this.useBoundingBoxes) {
      this.doBoundingBoxBroadphase(bodyA, bodyB, pairs1, pairs2);
    } else {
      this.doBoundingSphereBroadphase(bodyA, bodyB, pairs1, pairs2);
    }
  }
  doBoundingSphereBroadphase(bodyA, bodyB, pairs1, pairs2) {
    const r = Broadphase_collisionPairs_r;
    bodyB.position.vsub(bodyA.position, r);
    const boundingRadiusSum2 = (bodyA.boundingRadius + bodyB.boundingRadius) ** 2;
    const norm2 = r.lengthSquared();
    if (norm2 < boundingRadiusSum2) {
      pairs1.push(bodyA);
      pairs2.push(bodyB);
    }
  }
  doBoundingBoxBroadphase(bodyA, bodyB, pairs1, pairs2) {
    if (bodyA.aabbNeedsUpdate) {
      bodyA.updateAABB();
    }
    if (bodyB.aabbNeedsUpdate) {
      bodyB.updateAABB();
    }
    if (bodyA.aabb.overlaps(bodyB.aabb)) {
      pairs1.push(bodyA);
      pairs2.push(bodyB);
    }
  }
  makePairsUnique(pairs1, pairs2) {
    const t = Broadphase_makePairsUnique_temp;
    const p1 = Broadphase_makePairsUnique_p1;
    const p2 = Broadphase_makePairsUnique_p2;
    const N = pairs1.length;
    for (let i = 0; i !== N; i++) {
      p1[i] = pairs1[i];
      p2[i] = pairs2[i];
    }
    pairs1.length = 0;
    pairs2.length = 0;
    for (let i = 0; i !== N; i++) {
      const id1 = p1[i].id;
      const id2 = p2[i].id;
      const key = id1 < id2 ? id1 + "," + id2 : id2 + "," + id1;
      t[key] = i;
      t.keys.push(key);
    }
    for (let i = 0; i !== t.keys.length; i++) {
      const key = t.keys.pop();
      const pairIndex = t[key];
      pairs1.push(p1[pairIndex]);
      pairs2.push(p2[pairIndex]);
      delete t[key];
    }
  }
  setWorld(world) {
  }
  static boundingSphereCheck(bodyA, bodyB) {
    const dist = new Vec3();
    bodyA.position.vsub(bodyB.position, dist);
    const sa = bodyA.shapes[0];
    const sb = bodyB.shapes[0];
    return Math.pow(sa.boundingSphereRadius + sb.boundingSphereRadius, 2) > dist.lengthSquared();
  }
  aabbQuery(world, aabb, result) {
    console.warn(".aabbQuery is not implemented in this Broadphase subclass.");
    return [];
  }
};
var Broadphase_collisionPairs_r = new Vec3();
var Broadphase_makePairsUnique_temp = {
  keys: []
};
var Broadphase_makePairsUnique_p1 = [];
var Broadphase_makePairsUnique_p2 = [];
var GridBroadphase_collisionPairs_d = new Vec3();
var NaiveBroadphase = class extends Broadphase {
  constructor() {
    super();
  }
  collisionPairs(world, pairs1, pairs2) {
    const bodies = world.bodies;
    const n = bodies.length;
    let bi;
    let bj;
    for (let i = 0; i !== n; i++) {
      for (let j = 0; j !== i; j++) {
        bi = bodies[i];
        bj = bodies[j];
        if (!this.needBroadphaseCollision(bi, bj)) {
          continue;
        }
        this.intersectionTest(bi, bj, pairs1, pairs2);
      }
    }
  }
  aabbQuery(world, aabb, result = []) {
    for (let i = 0; i < world.bodies.length; i++) {
      const b2 = world.bodies[i];
      if (b2.aabbNeedsUpdate) {
        b2.updateAABB();
      }
      if (b2.aabb.overlaps(aabb)) {
        result.push(b2);
      }
    }
    return result;
  }
};
var RaycastResult = class {
  constructor() {
    this.rayFromWorld = void 0;
    this.rayToWorld = void 0;
    this.hitNormalWorld = void 0;
    this.hitPointWorld = void 0;
    this.hasHit = void 0;
    this.shape = void 0;
    this.body = void 0;
    this.hitFaceIndex = void 0;
    this.distance = void 0;
    this.shouldStop = void 0;
    this.rayFromWorld = new Vec3();
    this.rayToWorld = new Vec3();
    this.hitNormalWorld = new Vec3();
    this.hitPointWorld = new Vec3();
    this.hasHit = false;
    this.shape = null;
    this.body = null;
    this.hitFaceIndex = -1;
    this.distance = -1;
    this.shouldStop = false;
  }
  reset() {
    this.rayFromWorld.setZero();
    this.rayToWorld.setZero();
    this.hitNormalWorld.setZero();
    this.hitPointWorld.setZero();
    this.hasHit = false;
    this.shape = null;
    this.body = null;
    this.hitFaceIndex = -1;
    this.distance = -1;
    this.shouldStop = false;
  }
  abort() {
    this.shouldStop = true;
  }
  set(rayFromWorld, rayToWorld, hitNormalWorld, hitPointWorld, shape, body, distance) {
    this.rayFromWorld.copy(rayFromWorld);
    this.rayToWorld.copy(rayToWorld);
    this.hitNormalWorld.copy(hitNormalWorld);
    this.hitPointWorld.copy(hitPointWorld);
    this.shape = shape;
    this.body = body;
    this.distance = distance;
  }
};
var _Shape$types$SPHERE;
var _Shape$types$PLANE;
var _Shape$types$BOX;
var _Shape$types$CYLINDER;
var _Shape$types$CONVEXPO;
var _Shape$types$HEIGHTFI;
var _Shape$types$TRIMESH;
var RAY_MODES = {
  CLOSEST: 1,
  ANY: 2,
  ALL: 4
};
_Shape$types$SPHERE = Shape2.types.SPHERE;
_Shape$types$PLANE = Shape2.types.PLANE;
_Shape$types$BOX = Shape2.types.BOX;
_Shape$types$CYLINDER = Shape2.types.CYLINDER;
_Shape$types$CONVEXPO = Shape2.types.CONVEXPOLYHEDRON;
_Shape$types$HEIGHTFI = Shape2.types.HEIGHTFIELD;
_Shape$types$TRIMESH = Shape2.types.TRIMESH;
var Ray2 = class {
  get [_Shape$types$SPHERE]() {
    return this._intersectSphere;
  }
  get [_Shape$types$PLANE]() {
    return this._intersectPlane;
  }
  get [_Shape$types$BOX]() {
    return this._intersectBox;
  }
  get [_Shape$types$CYLINDER]() {
    return this._intersectConvex;
  }
  get [_Shape$types$CONVEXPO]() {
    return this._intersectConvex;
  }
  get [_Shape$types$HEIGHTFI]() {
    return this._intersectHeightfield;
  }
  get [_Shape$types$TRIMESH]() {
    return this._intersectTrimesh;
  }
  constructor(from = new Vec3(), to = new Vec3()) {
    this.from = void 0;
    this.to = void 0;
    this.direction = void 0;
    this.precision = void 0;
    this.checkCollisionResponse = void 0;
    this.skipBackfaces = void 0;
    this.collisionFilterMask = void 0;
    this.collisionFilterGroup = void 0;
    this.mode = void 0;
    this.result = void 0;
    this.hasHit = void 0;
    this.callback = void 0;
    this.from = from.clone();
    this.to = to.clone();
    this.direction = new Vec3();
    this.precision = 1e-4;
    this.checkCollisionResponse = true;
    this.skipBackfaces = false;
    this.collisionFilterMask = -1;
    this.collisionFilterGroup = -1;
    this.mode = Ray2.ANY;
    this.result = new RaycastResult();
    this.hasHit = false;
    this.callback = (result) => {
    };
  }
  intersectWorld(world, options) {
    this.mode = options.mode || Ray2.ANY;
    this.result = options.result || new RaycastResult();
    this.skipBackfaces = !!options.skipBackfaces;
    this.collisionFilterMask = typeof options.collisionFilterMask !== "undefined" ? options.collisionFilterMask : -1;
    this.collisionFilterGroup = typeof options.collisionFilterGroup !== "undefined" ? options.collisionFilterGroup : -1;
    this.checkCollisionResponse = typeof options.checkCollisionResponse !== "undefined" ? options.checkCollisionResponse : true;
    if (options.from) {
      this.from.copy(options.from);
    }
    if (options.to) {
      this.to.copy(options.to);
    }
    this.callback = options.callback || (() => {
    });
    this.hasHit = false;
    this.result.reset();
    this.updateDirection();
    this.getAABB(tmpAABB$1);
    tmpArray.length = 0;
    world.broadphase.aabbQuery(world, tmpAABB$1, tmpArray);
    this.intersectBodies(tmpArray);
    return this.hasHit;
  }
  intersectBody(body, result) {
    if (result) {
      this.result = result;
      this.updateDirection();
    }
    const checkCollisionResponse = this.checkCollisionResponse;
    if (checkCollisionResponse && !body.collisionResponse) {
      return;
    }
    if ((this.collisionFilterGroup & body.collisionFilterMask) === 0 || (body.collisionFilterGroup & this.collisionFilterMask) === 0) {
      return;
    }
    const xi = intersectBody_xi;
    const qi = intersectBody_qi;
    for (let i = 0, N = body.shapes.length; i < N; i++) {
      const shape = body.shapes[i];
      if (checkCollisionResponse && !shape.collisionResponse) {
        continue;
      }
      body.quaternion.mult(body.shapeOrientations[i], qi);
      body.quaternion.vmult(body.shapeOffsets[i], xi);
      xi.vadd(body.position, xi);
      this.intersectShape(shape, qi, xi, body);
      if (this.result.shouldStop) {
        break;
      }
    }
  }
  intersectBodies(bodies, result) {
    if (result) {
      this.result = result;
      this.updateDirection();
    }
    for (let i = 0, l = bodies.length; !this.result.shouldStop && i < l; i++) {
      this.intersectBody(bodies[i]);
    }
  }
  updateDirection() {
    this.to.vsub(this.from, this.direction);
    this.direction.normalize();
  }
  intersectShape(shape, quat, position, body) {
    const from = this.from;
    const distance = distanceFromIntersection(from, this.direction, position);
    if (distance > shape.boundingSphereRadius) {
      return;
    }
    const intersectMethod = this[shape.type];
    if (intersectMethod) {
      intersectMethod.call(this, shape, quat, position, body, shape);
    }
  }
  _intersectBox(box, quat, position, body, reportedShape) {
    return this._intersectConvex(box.convexPolyhedronRepresentation, quat, position, body, reportedShape);
  }
  _intersectPlane(shape, quat, position, body, reportedShape) {
    const from = this.from;
    const to = this.to;
    const direction = this.direction;
    const worldNormal = new Vec3(0, 0, 1);
    quat.vmult(worldNormal, worldNormal);
    const len = new Vec3();
    from.vsub(position, len);
    const planeToFrom = len.dot(worldNormal);
    to.vsub(position, len);
    const planeToTo = len.dot(worldNormal);
    if (planeToFrom * planeToTo > 0) {
      return;
    }
    if (from.distanceTo(to) < planeToFrom) {
      return;
    }
    const n_dot_dir = worldNormal.dot(direction);
    if (Math.abs(n_dot_dir) < this.precision) {
      return;
    }
    const planePointToFrom = new Vec3();
    const dir_scaled_with_t = new Vec3();
    const hitPointWorld = new Vec3();
    from.vsub(position, planePointToFrom);
    const t = -worldNormal.dot(planePointToFrom) / n_dot_dir;
    direction.scale(t, dir_scaled_with_t);
    from.vadd(dir_scaled_with_t, hitPointWorld);
    this.reportIntersection(worldNormal, hitPointWorld, reportedShape, body, -1);
  }
  getAABB(aabb) {
    const {
      lowerBound,
      upperBound
    } = aabb;
    const to = this.to;
    const from = this.from;
    lowerBound.x = Math.min(to.x, from.x);
    lowerBound.y = Math.min(to.y, from.y);
    lowerBound.z = Math.min(to.z, from.z);
    upperBound.x = Math.max(to.x, from.x);
    upperBound.y = Math.max(to.y, from.y);
    upperBound.z = Math.max(to.z, from.z);
  }
  _intersectHeightfield(shape, quat, position, body, reportedShape) {
    shape.data;
    shape.elementSize;
    const localRay = intersectHeightfield_localRay;
    localRay.from.copy(this.from);
    localRay.to.copy(this.to);
    Transform.pointToLocalFrame(position, quat, localRay.from, localRay.from);
    Transform.pointToLocalFrame(position, quat, localRay.to, localRay.to);
    localRay.updateDirection();
    const index = intersectHeightfield_index;
    let iMinX;
    let iMinY;
    let iMaxX;
    let iMaxY;
    iMinX = iMinY = 0;
    iMaxX = iMaxY = shape.data.length - 1;
    const aabb = new AABB();
    localRay.getAABB(aabb);
    shape.getIndexOfPosition(aabb.lowerBound.x, aabb.lowerBound.y, index, true);
    iMinX = Math.max(iMinX, index[0]);
    iMinY = Math.max(iMinY, index[1]);
    shape.getIndexOfPosition(aabb.upperBound.x, aabb.upperBound.y, index, true);
    iMaxX = Math.min(iMaxX, index[0] + 1);
    iMaxY = Math.min(iMaxY, index[1] + 1);
    for (let i = iMinX; i < iMaxX; i++) {
      for (let j = iMinY; j < iMaxY; j++) {
        if (this.result.shouldStop) {
          return;
        }
        shape.getAabbAtIndex(i, j, aabb);
        if (!aabb.overlapsRay(localRay)) {
          continue;
        }
        shape.getConvexTrianglePillar(i, j, false);
        Transform.pointToWorldFrame(position, quat, shape.pillarOffset, worldPillarOffset);
        this._intersectConvex(shape.pillarConvex, quat, worldPillarOffset, body, reportedShape, intersectConvexOptions);
        if (this.result.shouldStop) {
          return;
        }
        shape.getConvexTrianglePillar(i, j, true);
        Transform.pointToWorldFrame(position, quat, shape.pillarOffset, worldPillarOffset);
        this._intersectConvex(shape.pillarConvex, quat, worldPillarOffset, body, reportedShape, intersectConvexOptions);
      }
    }
  }
  _intersectSphere(sphere, quat, position, body, reportedShape) {
    const from = this.from;
    const to = this.to;
    const r = sphere.radius;
    const a2 = (to.x - from.x) ** 2 + (to.y - from.y) ** 2 + (to.z - from.z) ** 2;
    const b2 = 2 * ((to.x - from.x) * (from.x - position.x) + (to.y - from.y) * (from.y - position.y) + (to.z - from.z) * (from.z - position.z));
    const c2 = (from.x - position.x) ** 2 + (from.y - position.y) ** 2 + (from.z - position.z) ** 2 - r ** 2;
    const delta = b2 ** 2 - 4 * a2 * c2;
    const intersectionPoint = Ray_intersectSphere_intersectionPoint;
    const normal = Ray_intersectSphere_normal;
    if (delta < 0) {
      return;
    } else if (delta === 0) {
      from.lerp(to, delta, intersectionPoint);
      intersectionPoint.vsub(position, normal);
      normal.normalize();
      this.reportIntersection(normal, intersectionPoint, reportedShape, body, -1);
    } else {
      const d1 = (-b2 - Math.sqrt(delta)) / (2 * a2);
      const d2 = (-b2 + Math.sqrt(delta)) / (2 * a2);
      if (d1 >= 0 && d1 <= 1) {
        from.lerp(to, d1, intersectionPoint);
        intersectionPoint.vsub(position, normal);
        normal.normalize();
        this.reportIntersection(normal, intersectionPoint, reportedShape, body, -1);
      }
      if (this.result.shouldStop) {
        return;
      }
      if (d2 >= 0 && d2 <= 1) {
        from.lerp(to, d2, intersectionPoint);
        intersectionPoint.vsub(position, normal);
        normal.normalize();
        this.reportIntersection(normal, intersectionPoint, reportedShape, body, -1);
      }
    }
  }
  _intersectConvex(shape, quat, position, body, reportedShape, options) {
    const normal = intersectConvex_normal;
    const vector = intersectConvex_vector;
    const faceList = options && options.faceList || null;
    const faces = shape.faces;
    const vertices = shape.vertices;
    const normals = shape.faceNormals;
    const direction = this.direction;
    const from = this.from;
    const to = this.to;
    const fromToDistance = from.distanceTo(to);
    const Nfaces = faceList ? faceList.length : faces.length;
    const result = this.result;
    for (let j = 0; !result.shouldStop && j < Nfaces; j++) {
      const fi = faceList ? faceList[j] : j;
      const face = faces[fi];
      const faceNormal = normals[fi];
      const q = quat;
      const x = position;
      vector.copy(vertices[face[0]]);
      q.vmult(vector, vector);
      vector.vadd(x, vector);
      vector.vsub(from, vector);
      q.vmult(faceNormal, normal);
      const dot = direction.dot(normal);
      if (Math.abs(dot) < this.precision) {
        continue;
      }
      const scalar = normal.dot(vector) / dot;
      if (scalar < 0) {
        continue;
      }
      direction.scale(scalar, intersectPoint);
      intersectPoint.vadd(from, intersectPoint);
      a.copy(vertices[face[0]]);
      q.vmult(a, a);
      x.vadd(a, a);
      for (let i = 1; !result.shouldStop && i < face.length - 1; i++) {
        b.copy(vertices[face[i]]);
        c.copy(vertices[face[i + 1]]);
        q.vmult(b, b);
        q.vmult(c, c);
        x.vadd(b, b);
        x.vadd(c, c);
        const distance = intersectPoint.distanceTo(from);
        if (!(Ray2.pointInTriangle(intersectPoint, a, b, c) || Ray2.pointInTriangle(intersectPoint, b, a, c)) || distance > fromToDistance) {
          continue;
        }
        this.reportIntersection(normal, intersectPoint, reportedShape, body, fi);
      }
    }
  }
  _intersectTrimesh(mesh, quat, position, body, reportedShape, options) {
    const normal = intersectTrimesh_normal;
    const triangles = intersectTrimesh_triangles;
    const treeTransform = intersectTrimesh_treeTransform;
    const vector = intersectConvex_vector;
    const localDirection = intersectTrimesh_localDirection;
    const localFrom = intersectTrimesh_localFrom;
    const localTo = intersectTrimesh_localTo;
    const worldIntersectPoint = intersectTrimesh_worldIntersectPoint;
    const worldNormal = intersectTrimesh_worldNormal;
    const indices = mesh.indices;
    mesh.vertices;
    const from = this.from;
    const to = this.to;
    const direction = this.direction;
    treeTransform.position.copy(position);
    treeTransform.quaternion.copy(quat);
    Transform.vectorToLocalFrame(position, quat, direction, localDirection);
    Transform.pointToLocalFrame(position, quat, from, localFrom);
    Transform.pointToLocalFrame(position, quat, to, localTo);
    localTo.x *= mesh.scale.x;
    localTo.y *= mesh.scale.y;
    localTo.z *= mesh.scale.z;
    localFrom.x *= mesh.scale.x;
    localFrom.y *= mesh.scale.y;
    localFrom.z *= mesh.scale.z;
    localTo.vsub(localFrom, localDirection);
    localDirection.normalize();
    const fromToDistanceSquared = localFrom.distanceSquared(localTo);
    mesh.tree.rayQuery(this, treeTransform, triangles);
    for (let i = 0, N = triangles.length; !this.result.shouldStop && i !== N; i++) {
      const trianglesIndex = triangles[i];
      mesh.getNormal(trianglesIndex, normal);
      mesh.getVertex(indices[trianglesIndex * 3], a);
      a.vsub(localFrom, vector);
      const dot = localDirection.dot(normal);
      const scalar = normal.dot(vector) / dot;
      if (scalar < 0) {
        continue;
      }
      localDirection.scale(scalar, intersectPoint);
      intersectPoint.vadd(localFrom, intersectPoint);
      mesh.getVertex(indices[trianglesIndex * 3 + 1], b);
      mesh.getVertex(indices[trianglesIndex * 3 + 2], c);
      const squaredDistance = intersectPoint.distanceSquared(localFrom);
      if (!(Ray2.pointInTriangle(intersectPoint, b, a, c) || Ray2.pointInTriangle(intersectPoint, a, b, c)) || squaredDistance > fromToDistanceSquared) {
        continue;
      }
      Transform.vectorToWorldFrame(quat, normal, worldNormal);
      Transform.pointToWorldFrame(position, quat, intersectPoint, worldIntersectPoint);
      this.reportIntersection(worldNormal, worldIntersectPoint, reportedShape, body, trianglesIndex);
    }
    triangles.length = 0;
  }
  reportIntersection(normal, hitPointWorld, shape, body, hitFaceIndex) {
    const from = this.from;
    const to = this.to;
    const distance = from.distanceTo(hitPointWorld);
    const result = this.result;
    if (this.skipBackfaces && normal.dot(this.direction) > 0) {
      return;
    }
    result.hitFaceIndex = typeof hitFaceIndex !== "undefined" ? hitFaceIndex : -1;
    switch (this.mode) {
      case Ray2.ALL:
        this.hasHit = true;
        result.set(from, to, normal, hitPointWorld, shape, body, distance);
        result.hasHit = true;
        this.callback(result);
        break;
      case Ray2.CLOSEST:
        if (distance < result.distance || !result.hasHit) {
          this.hasHit = true;
          result.hasHit = true;
          result.set(from, to, normal, hitPointWorld, shape, body, distance);
        }
        break;
      case Ray2.ANY:
        this.hasHit = true;
        result.hasHit = true;
        result.set(from, to, normal, hitPointWorld, shape, body, distance);
        result.shouldStop = true;
        break;
    }
  }
  static pointInTriangle(p2, a2, b2, c2) {
    c2.vsub(a2, v0);
    b2.vsub(a2, v1);
    p2.vsub(a2, v2);
    const dot00 = v0.dot(v0);
    const dot01 = v0.dot(v1);
    const dot02 = v0.dot(v2);
    const dot11 = v1.dot(v1);
    const dot12 = v1.dot(v2);
    let u;
    let v;
    return (u = dot11 * dot02 - dot01 * dot12) >= 0 && (v = dot00 * dot12 - dot01 * dot02) >= 0 && u + v < dot00 * dot11 - dot01 * dot01;
  }
};
Ray2.CLOSEST = RAY_MODES.CLOSEST;
Ray2.ANY = RAY_MODES.ANY;
Ray2.ALL = RAY_MODES.ALL;
var tmpAABB$1 = new AABB();
var tmpArray = [];
var v1 = new Vec3();
var v2 = new Vec3();
var intersectBody_xi = new Vec3();
var intersectBody_qi = new Quaternion2();
var intersectPoint = new Vec3();
var a = new Vec3();
var b = new Vec3();
var c = new Vec3();
var intersectConvexOptions = {
  faceList: [0]
};
var worldPillarOffset = new Vec3();
var intersectHeightfield_localRay = new Ray2();
var intersectHeightfield_index = [];
var Ray_intersectSphere_intersectionPoint = new Vec3();
var Ray_intersectSphere_normal = new Vec3();
var intersectConvex_normal = new Vec3();
var intersectConvex_vector = new Vec3();
var intersectTrimesh_normal = new Vec3();
var intersectTrimesh_localDirection = new Vec3();
var intersectTrimesh_localFrom = new Vec3();
var intersectTrimesh_localTo = new Vec3();
var intersectTrimesh_worldNormal = new Vec3();
var intersectTrimesh_worldIntersectPoint = new Vec3();
new AABB();
var intersectTrimesh_triangles = [];
var intersectTrimesh_treeTransform = new Transform();
var v0 = new Vec3();
var intersect = new Vec3();
function distanceFromIntersection(from, direction, position) {
  position.vsub(from, v0);
  const dot = v0.dot(direction);
  direction.scale(dot, intersect);
  intersect.vadd(from, intersect);
  const distance = position.distanceTo(intersect);
  return distance;
}
var Utils = class {
  static defaults(options = {}, defaults) {
    for (let key in defaults) {
      if (!(key in options)) {
        options[key] = defaults[key];
      }
    }
    return options;
  }
};
var Constraint = class {
  constructor(bodyA, bodyB, options = {}) {
    this.equations = void 0;
    this.bodyA = void 0;
    this.bodyB = void 0;
    this.id = void 0;
    this.collideConnected = void 0;
    options = Utils.defaults(options, {
      collideConnected: true,
      wakeUpBodies: true
    });
    this.equations = [];
    this.bodyA = bodyA;
    this.bodyB = bodyB;
    this.id = Constraint.idCounter++;
    this.collideConnected = options.collideConnected;
    if (options.wakeUpBodies) {
      if (bodyA) {
        bodyA.wakeUp();
      }
      if (bodyB) {
        bodyB.wakeUp();
      }
    }
  }
  update() {
    throw new Error("method update() not implmemented in this Constraint subclass!");
  }
  enable() {
    const eqs = this.equations;
    for (let i = 0; i < eqs.length; i++) {
      eqs[i].enabled = true;
    }
  }
  disable() {
    const eqs = this.equations;
    for (let i = 0; i < eqs.length; i++) {
      eqs[i].enabled = false;
    }
  }
};
Constraint.idCounter = 0;
var JacobianElement = class {
  constructor() {
    this.spatial = void 0;
    this.rotational = void 0;
    this.spatial = new Vec3();
    this.rotational = new Vec3();
  }
  multiplyElement(element) {
    return element.spatial.dot(this.spatial) + element.rotational.dot(this.rotational);
  }
  multiplyVectors(spatial, rotational) {
    return spatial.dot(this.spatial) + rotational.dot(this.rotational);
  }
};
var Equation = class {
  constructor(bi, bj, minForce = -1e6, maxForce = 1e6) {
    this.id = void 0;
    this.minForce = void 0;
    this.maxForce = void 0;
    this.bi = void 0;
    this.bj = void 0;
    this.si = void 0;
    this.sj = void 0;
    this.a = void 0;
    this.b = void 0;
    this.eps = void 0;
    this.jacobianElementA = void 0;
    this.jacobianElementB = void 0;
    this.enabled = void 0;
    this.multiplier = void 0;
    this.id = Equation.idCounter++;
    this.minForce = minForce;
    this.maxForce = maxForce;
    this.bi = bi;
    this.bj = bj;
    this.a = 0;
    this.b = 0;
    this.eps = 0;
    this.jacobianElementA = new JacobianElement();
    this.jacobianElementB = new JacobianElement();
    this.enabled = true;
    this.multiplier = 0;
    this.setSpookParams(1e7, 4, 1 / 60);
  }
  setSpookParams(stiffness, relaxation, timeStep) {
    const d = relaxation;
    const k = stiffness;
    const h = timeStep;
    this.a = 4 / (h * (1 + 4 * d));
    this.b = 4 * d / (1 + 4 * d);
    this.eps = 4 / (h * h * k * (1 + 4 * d));
  }
  computeB(a2, b2, h) {
    const GW = this.computeGW();
    const Gq = this.computeGq();
    const GiMf = this.computeGiMf();
    return -Gq * a2 - GW * b2 - GiMf * h;
  }
  computeGq() {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const xi = bi.position;
    const xj = bj.position;
    return GA.spatial.dot(xi) + GB.spatial.dot(xj);
  }
  computeGW() {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const vi = bi.velocity;
    const vj = bj.velocity;
    const wi = bi.angularVelocity;
    const wj = bj.angularVelocity;
    return GA.multiplyVectors(vi, wi) + GB.multiplyVectors(vj, wj);
  }
  computeGWlambda() {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const vi = bi.vlambda;
    const vj = bj.vlambda;
    const wi = bi.wlambda;
    const wj = bj.wlambda;
    return GA.multiplyVectors(vi, wi) + GB.multiplyVectors(vj, wj);
  }
  computeGiMf() {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const fi = bi.force;
    const ti = bi.torque;
    const fj = bj.force;
    const tj = bj.torque;
    const invMassi = bi.invMassSolve;
    const invMassj = bj.invMassSolve;
    fi.scale(invMassi, iMfi);
    fj.scale(invMassj, iMfj);
    bi.invInertiaWorldSolve.vmult(ti, invIi_vmult_taui);
    bj.invInertiaWorldSolve.vmult(tj, invIj_vmult_tauj);
    return GA.multiplyVectors(iMfi, invIi_vmult_taui) + GB.multiplyVectors(iMfj, invIj_vmult_tauj);
  }
  computeGiMGt() {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const invMassi = bi.invMassSolve;
    const invMassj = bj.invMassSolve;
    const invIi = bi.invInertiaWorldSolve;
    const invIj = bj.invInertiaWorldSolve;
    let result = invMassi + invMassj;
    invIi.vmult(GA.rotational, tmp2);
    result += tmp2.dot(GA.rotational);
    invIj.vmult(GB.rotational, tmp2);
    result += tmp2.dot(GB.rotational);
    return result;
  }
  addToWlambda(deltalambda) {
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const bi = this.bi;
    const bj = this.bj;
    const temp = addToWlambda_temp;
    bi.vlambda.addScaledVector(bi.invMassSolve * deltalambda, GA.spatial, bi.vlambda);
    bj.vlambda.addScaledVector(bj.invMassSolve * deltalambda, GB.spatial, bj.vlambda);
    bi.invInertiaWorldSolve.vmult(GA.rotational, temp);
    bi.wlambda.addScaledVector(deltalambda, temp, bi.wlambda);
    bj.invInertiaWorldSolve.vmult(GB.rotational, temp);
    bj.wlambda.addScaledVector(deltalambda, temp, bj.wlambda);
  }
  computeC() {
    return this.computeGiMGt() + this.eps;
  }
};
Equation.idCounter = 0;
var iMfi = new Vec3();
var iMfj = new Vec3();
var invIi_vmult_taui = new Vec3();
var invIj_vmult_tauj = new Vec3();
var tmp2 = new Vec3();
var addToWlambda_temp = new Vec3();
var ContactEquation = class extends Equation {
  constructor(bodyA, bodyB, maxForce = 1e6) {
    super(bodyA, bodyB, 0, maxForce);
    this.restitution = void 0;
    this.ri = void 0;
    this.rj = void 0;
    this.ni = void 0;
    this.restitution = 0;
    this.ri = new Vec3();
    this.rj = new Vec3();
    this.ni = new Vec3();
  }
  computeB(h) {
    const a2 = this.a;
    const b2 = this.b;
    const bi = this.bi;
    const bj = this.bj;
    const ri = this.ri;
    const rj = this.rj;
    const rixn = ContactEquation_computeB_temp1;
    const rjxn = ContactEquation_computeB_temp2;
    const vi = bi.velocity;
    const wi = bi.angularVelocity;
    bi.force;
    bi.torque;
    const vj = bj.velocity;
    const wj = bj.angularVelocity;
    bj.force;
    bj.torque;
    const penetrationVec = ContactEquation_computeB_temp3;
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    const n = this.ni;
    ri.cross(n, rixn);
    rj.cross(n, rjxn);
    n.negate(GA.spatial);
    rixn.negate(GA.rotational);
    GB.spatial.copy(n);
    GB.rotational.copy(rjxn);
    penetrationVec.copy(bj.position);
    penetrationVec.vadd(rj, penetrationVec);
    penetrationVec.vsub(bi.position, penetrationVec);
    penetrationVec.vsub(ri, penetrationVec);
    const g = n.dot(penetrationVec);
    const ePlusOne = this.restitution + 1;
    const GW = ePlusOne * vj.dot(n) - ePlusOne * vi.dot(n) + wj.dot(rjxn) - wi.dot(rixn);
    const GiMf = this.computeGiMf();
    const B = -g * a2 - GW * b2 - h * GiMf;
    return B;
  }
  getImpactVelocityAlongNormal() {
    const vi = ContactEquation_getImpactVelocityAlongNormal_vi;
    const vj = ContactEquation_getImpactVelocityAlongNormal_vj;
    const xi = ContactEquation_getImpactVelocityAlongNormal_xi;
    const xj = ContactEquation_getImpactVelocityAlongNormal_xj;
    const relVel = ContactEquation_getImpactVelocityAlongNormal_relVel;
    this.bi.position.vadd(this.ri, xi);
    this.bj.position.vadd(this.rj, xj);
    this.bi.getVelocityAtWorldPoint(xi, vi);
    this.bj.getVelocityAtWorldPoint(xj, vj);
    vi.vsub(vj, relVel);
    return this.ni.dot(relVel);
  }
};
var ContactEquation_computeB_temp1 = new Vec3();
var ContactEquation_computeB_temp2 = new Vec3();
var ContactEquation_computeB_temp3 = new Vec3();
var ContactEquation_getImpactVelocityAlongNormal_vi = new Vec3();
var ContactEquation_getImpactVelocityAlongNormal_vj = new Vec3();
var ContactEquation_getImpactVelocityAlongNormal_xi = new Vec3();
var ContactEquation_getImpactVelocityAlongNormal_xj = new Vec3();
var ContactEquation_getImpactVelocityAlongNormal_relVel = new Vec3();
var tmpVec1$2 = new Vec3();
var tmpVec2$2 = new Vec3();
var tmpVec1$1 = new Vec3();
var tmpVec2$1 = new Vec3();
var HingeConstraint_update_tmpVec1 = new Vec3();
var HingeConstraint_update_tmpVec2 = new Vec3();
var FrictionEquation = class extends Equation {
  constructor(bodyA, bodyB, slipForce) {
    super(bodyA, bodyB, -slipForce, slipForce);
    this.ri = void 0;
    this.rj = void 0;
    this.t = void 0;
    this.ri = new Vec3();
    this.rj = new Vec3();
    this.t = new Vec3();
  }
  computeB(h) {
    this.a;
    const b2 = this.b;
    this.bi;
    this.bj;
    const ri = this.ri;
    const rj = this.rj;
    const rixt = FrictionEquation_computeB_temp1;
    const rjxt = FrictionEquation_computeB_temp2;
    const t = this.t;
    ri.cross(t, rixt);
    rj.cross(t, rjxt);
    const GA = this.jacobianElementA;
    const GB = this.jacobianElementB;
    t.negate(GA.spatial);
    rixt.negate(GA.rotational);
    GB.spatial.copy(t);
    GB.rotational.copy(rjxt);
    const GW = this.computeGW();
    const GiMf = this.computeGiMf();
    const B = -GW * b2 - h * GiMf;
    return B;
  }
};
var FrictionEquation_computeB_temp1 = new Vec3();
var FrictionEquation_computeB_temp2 = new Vec3();
var ContactMaterial = class {
  constructor(m1, m2, options) {
    this.id = void 0;
    this.materials = void 0;
    this.friction = void 0;
    this.restitution = void 0;
    this.contactEquationStiffness = void 0;
    this.contactEquationRelaxation = void 0;
    this.frictionEquationStiffness = void 0;
    this.frictionEquationRelaxation = void 0;
    options = Utils.defaults(options, {
      friction: 0.3,
      restitution: 0.3,
      contactEquationStiffness: 1e7,
      contactEquationRelaxation: 3,
      frictionEquationStiffness: 1e7,
      frictionEquationRelaxation: 3
    });
    this.id = ContactMaterial.idCounter++;
    this.materials = [m1, m2];
    this.friction = options.friction;
    this.restitution = options.restitution;
    this.contactEquationStiffness = options.contactEquationStiffness;
    this.contactEquationRelaxation = options.contactEquationRelaxation;
    this.frictionEquationStiffness = options.frictionEquationStiffness;
    this.frictionEquationRelaxation = options.frictionEquationRelaxation;
  }
};
ContactMaterial.idCounter = 0;
var Material2 = class {
  constructor(options = {}) {
    this.name = void 0;
    this.id = void 0;
    this.friction = void 0;
    this.restitution = void 0;
    let name = "";
    if (typeof options === "string") {
      name = options;
      options = {};
    }
    this.name = name;
    this.id = Material2.idCounter++;
    this.friction = typeof options.friction !== "undefined" ? options.friction : -1;
    this.restitution = typeof options.restitution !== "undefined" ? options.restitution : -1;
  }
};
Material2.idCounter = 0;
var applyForce_r = new Vec3();
var applyForce_r_unit = new Vec3();
var applyForce_u = new Vec3();
var applyForce_f = new Vec3();
var applyForce_worldAnchorA = new Vec3();
var applyForce_worldAnchorB = new Vec3();
var applyForce_ri = new Vec3();
var applyForce_rj = new Vec3();
var applyForce_ri_x_f = new Vec3();
var applyForce_rj_x_f = new Vec3();
var applyForce_tmp = new Vec3();
var chassis_velocity_at_contactPoint = new Vec3();
var relpos = new Vec3();
var tmpVec4 = new Vec3();
var tmpVec5 = new Vec3();
var tmpVec6 = new Vec3();
new Ray2();
var castRay_rayvector = new Vec3();
var castRay_target = new Vec3();
var directions = [new Vec3(1, 0, 0), new Vec3(0, 1, 0), new Vec3(0, 0, 1)];
var updateFriction_surfNormalWS_scaled_proj = new Vec3();
var calcRollingFriction_vel1 = new Vec3();
var calcRollingFriction_vel2 = new Vec3();
var calcRollingFriction_vel = new Vec3();
var computeImpulseDenominator_r0 = new Vec3();
var computeImpulseDenominator_c0 = new Vec3();
var computeImpulseDenominator_vec = new Vec3();
var computeImpulseDenominator_m = new Vec3();
var resolveSingleBilateral_vel1 = new Vec3();
var resolveSingleBilateral_vel2 = new Vec3();
var resolveSingleBilateral_vel = new Vec3();
var torque = new Vec3();
var worldAxis = new Vec3();
var SPHSystem_getNeighbors_dist = new Vec3();
var SPHSystem_update_dist = new Vec3();
var SPHSystem_update_a_pressure = new Vec3();
var SPHSystem_update_a_visc = new Vec3();
var SPHSystem_update_gradW = new Vec3();
var SPHSystem_update_r_vec = new Vec3();
var SPHSystem_update_u = new Vec3();
var Plane2 = class extends Shape2 {
  constructor() {
    super({
      type: Shape2.types.PLANE
    });
    this.worldNormal = void 0;
    this.worldNormalNeedsUpdate = void 0;
    this.boundingSphereRadius = void 0;
    this.worldNormal = new Vec3();
    this.worldNormalNeedsUpdate = true;
    this.boundingSphereRadius = Number.MAX_VALUE;
  }
  computeWorldNormal(quat) {
    const n = this.worldNormal;
    n.set(0, 0, 1);
    quat.vmult(n, n);
    this.worldNormalNeedsUpdate = false;
  }
  calculateLocalInertia(mass, target = new Vec3()) {
    return target;
  }
  volume() {
    return Number.MAX_VALUE;
  }
  calculateWorldAABB(pos, quat, min, max) {
    tempNormal.set(0, 0, 1);
    quat.vmult(tempNormal, tempNormal);
    const maxVal = Number.MAX_VALUE;
    min.set(-maxVal, -maxVal, -maxVal);
    max.set(maxVal, maxVal, maxVal);
    if (tempNormal.x === 1) {
      max.x = pos.x;
    } else if (tempNormal.x === -1) {
      min.x = pos.x;
    }
    if (tempNormal.y === 1) {
      max.y = pos.y;
    } else if (tempNormal.y === -1) {
      min.y = pos.y;
    }
    if (tempNormal.z === 1) {
      max.z = pos.z;
    } else if (tempNormal.z === -1) {
      min.z = pos.z;
    }
  }
  updateBoundingSphereRadius() {
    this.boundingSphereRadius = Number.MAX_VALUE;
  }
};
var tempNormal = new Vec3();
var getHeightAt_weights = new Vec3();
var getHeightAt_a = new Vec3();
var getHeightAt_b = new Vec3();
var getHeightAt_c = new Vec3();
var getNormalAt_a = new Vec3();
var getNormalAt_b = new Vec3();
var getNormalAt_c = new Vec3();
var getNormalAt_e0 = new Vec3();
var getNormalAt_e1 = new Vec3();
var halfDiagonal = new Vec3();
var tmpAABB = new AABB();
var computeNormals_n = new Vec3();
var unscaledAABB = new AABB();
var getEdgeVector_va = new Vec3();
var getEdgeVector_vb = new Vec3();
var cb = new Vec3();
var ab = new Vec3();
var va = new Vec3();
var vb = new Vec3();
var vc = new Vec3();
var cli_aabb = new AABB();
var computeLocalAABB_worldVert = new Vec3();
var calculateWorldAABB_frame = new Transform();
var calculateWorldAABB_aabb = new AABB();
var Solver = class {
  constructor() {
    this.equations = void 0;
    this.equations = [];
  }
  solve(dt, world) {
    return 0;
  }
  addEquation(eq) {
    if (eq.enabled && !eq.bi.isTrigger && !eq.bj.isTrigger) {
      this.equations.push(eq);
    }
  }
  removeEquation(eq) {
    const eqs = this.equations;
    const i = eqs.indexOf(eq);
    if (i !== -1) {
      eqs.splice(i, 1);
    }
  }
  removeAllEquations() {
    this.equations.length = 0;
  }
};
var GSSolver = class extends Solver {
  constructor() {
    super();
    this.iterations = void 0;
    this.tolerance = void 0;
    this.iterations = 10;
    this.tolerance = 1e-7;
  }
  solve(dt, world) {
    let iter = 0;
    const maxIter = this.iterations;
    const tolSquared = this.tolerance * this.tolerance;
    const equations = this.equations;
    const Neq = equations.length;
    const bodies = world.bodies;
    const Nbodies = bodies.length;
    const h = dt;
    let B;
    let invC;
    let deltalambda;
    let deltalambdaTot;
    let GWlambda;
    let lambdaj;
    if (Neq !== 0) {
      for (let i = 0; i !== Nbodies; i++) {
        bodies[i].updateSolveMassProperties();
      }
    }
    const invCs = GSSolver_solve_invCs;
    const Bs = GSSolver_solve_Bs;
    const lambda = GSSolver_solve_lambda;
    invCs.length = Neq;
    Bs.length = Neq;
    lambda.length = Neq;
    for (let i = 0; i !== Neq; i++) {
      const c2 = equations[i];
      lambda[i] = 0;
      Bs[i] = c2.computeB(h);
      invCs[i] = 1 / c2.computeC();
    }
    if (Neq !== 0) {
      for (let i = 0; i !== Nbodies; i++) {
        const b2 = bodies[i];
        const vlambda = b2.vlambda;
        const wlambda = b2.wlambda;
        vlambda.set(0, 0, 0);
        wlambda.set(0, 0, 0);
      }
      for (iter = 0; iter !== maxIter; iter++) {
        deltalambdaTot = 0;
        for (let j = 0; j !== Neq; j++) {
          const c2 = equations[j];
          B = Bs[j];
          invC = invCs[j];
          lambdaj = lambda[j];
          GWlambda = c2.computeGWlambda();
          deltalambda = invC * (B - GWlambda - c2.eps * lambdaj);
          if (lambdaj + deltalambda < c2.minForce) {
            deltalambda = c2.minForce - lambdaj;
          } else if (lambdaj + deltalambda > c2.maxForce) {
            deltalambda = c2.maxForce - lambdaj;
          }
          lambda[j] += deltalambda;
          deltalambdaTot += deltalambda > 0 ? deltalambda : -deltalambda;
          c2.addToWlambda(deltalambda);
        }
        if (deltalambdaTot * deltalambdaTot < tolSquared) {
          break;
        }
      }
      for (let i = 0; i !== Nbodies; i++) {
        const b2 = bodies[i];
        const v = b2.velocity;
        const w2 = b2.angularVelocity;
        b2.vlambda.vmul(b2.linearFactor, b2.vlambda);
        v.vadd(b2.vlambda, v);
        b2.wlambda.vmul(b2.angularFactor, b2.wlambda);
        w2.vadd(b2.wlambda, w2);
      }
      let l = equations.length;
      const invDt = 1 / h;
      while (l--) {
        equations[l].multiplier = lambda[l] * invDt;
      }
    }
    return iter;
  }
};
var GSSolver_solve_lambda = [];
var GSSolver_solve_invCs = [];
var GSSolver_solve_Bs = [];
var STATIC = Body.STATIC;
var Pool = class {
  constructor() {
    this.objects = [];
    this.type = Object;
  }
  release(...args) {
    const Nargs = args.length;
    for (let i = 0; i !== Nargs; i++) {
      this.objects.push(args[i]);
    }
    return this;
  }
  get() {
    if (this.objects.length === 0) {
      return this.constructObject();
    } else {
      return this.objects.pop();
    }
  }
  constructObject() {
    throw new Error("constructObject() not implemented in this Pool subclass yet!");
  }
  resize(size) {
    const objects = this.objects;
    while (objects.length > size) {
      objects.pop();
    }
    while (objects.length < size) {
      objects.push(this.constructObject());
    }
    return this;
  }
};
var Vec3Pool = class extends Pool {
  constructor(...args) {
    super(...args);
    this.type = Vec3;
  }
  constructObject() {
    return new Vec3();
  }
};
var _COLLISION_TYPES$sphe;
var _COLLISION_TYPES$sphe2;
var _COLLISION_TYPES$boxB;
var _COLLISION_TYPES$sphe3;
var _COLLISION_TYPES$plan;
var _COLLISION_TYPES$conv;
var _COLLISION_TYPES$sphe4;
var _COLLISION_TYPES$plan2;
var _COLLISION_TYPES$boxC;
var _COLLISION_TYPES$sphe5;
var _COLLISION_TYPES$boxH;
var _COLLISION_TYPES$conv2;
var _COLLISION_TYPES$sphe6;
var _COLLISION_TYPES$plan3;
var _COLLISION_TYPES$boxP;
var _COLLISION_TYPES$conv3;
var _COLLISION_TYPES$cyli;
var _COLLISION_TYPES$sphe7;
var _COLLISION_TYPES$plan4;
var _COLLISION_TYPES$boxC2;
var _COLLISION_TYPES$conv4;
var _COLLISION_TYPES$heig;
var _COLLISION_TYPES$part;
var _COLLISION_TYPES$sphe8;
var _COLLISION_TYPES$plan5;
var COLLISION_TYPES = {
  sphereSphere: Shape2.types.SPHERE,
  spherePlane: Shape2.types.SPHERE | Shape2.types.PLANE,
  boxBox: Shape2.types.BOX | Shape2.types.BOX,
  sphereBox: Shape2.types.SPHERE | Shape2.types.BOX,
  planeBox: Shape2.types.PLANE | Shape2.types.BOX,
  convexConvex: Shape2.types.CONVEXPOLYHEDRON,
  sphereConvex: Shape2.types.SPHERE | Shape2.types.CONVEXPOLYHEDRON,
  planeConvex: Shape2.types.PLANE | Shape2.types.CONVEXPOLYHEDRON,
  boxConvex: Shape2.types.BOX | Shape2.types.CONVEXPOLYHEDRON,
  sphereHeightfield: Shape2.types.SPHERE | Shape2.types.HEIGHTFIELD,
  boxHeightfield: Shape2.types.BOX | Shape2.types.HEIGHTFIELD,
  convexHeightfield: Shape2.types.CONVEXPOLYHEDRON | Shape2.types.HEIGHTFIELD,
  sphereParticle: Shape2.types.PARTICLE | Shape2.types.SPHERE,
  planeParticle: Shape2.types.PLANE | Shape2.types.PARTICLE,
  boxParticle: Shape2.types.BOX | Shape2.types.PARTICLE,
  convexParticle: Shape2.types.PARTICLE | Shape2.types.CONVEXPOLYHEDRON,
  cylinderCylinder: Shape2.types.CYLINDER,
  sphereCylinder: Shape2.types.SPHERE | Shape2.types.CYLINDER,
  planeCylinder: Shape2.types.PLANE | Shape2.types.CYLINDER,
  boxCylinder: Shape2.types.BOX | Shape2.types.CYLINDER,
  convexCylinder: Shape2.types.CONVEXPOLYHEDRON | Shape2.types.CYLINDER,
  heightfieldCylinder: Shape2.types.HEIGHTFIELD | Shape2.types.CYLINDER,
  particleCylinder: Shape2.types.PARTICLE | Shape2.types.CYLINDER,
  sphereTrimesh: Shape2.types.SPHERE | Shape2.types.TRIMESH,
  planeTrimesh: Shape2.types.PLANE | Shape2.types.TRIMESH
};
_COLLISION_TYPES$sphe = COLLISION_TYPES.sphereSphere;
_COLLISION_TYPES$sphe2 = COLLISION_TYPES.spherePlane;
_COLLISION_TYPES$boxB = COLLISION_TYPES.boxBox;
_COLLISION_TYPES$sphe3 = COLLISION_TYPES.sphereBox;
_COLLISION_TYPES$plan = COLLISION_TYPES.planeBox;
_COLLISION_TYPES$conv = COLLISION_TYPES.convexConvex;
_COLLISION_TYPES$sphe4 = COLLISION_TYPES.sphereConvex;
_COLLISION_TYPES$plan2 = COLLISION_TYPES.planeConvex;
_COLLISION_TYPES$boxC = COLLISION_TYPES.boxConvex;
_COLLISION_TYPES$sphe5 = COLLISION_TYPES.sphereHeightfield;
_COLLISION_TYPES$boxH = COLLISION_TYPES.boxHeightfield;
_COLLISION_TYPES$conv2 = COLLISION_TYPES.convexHeightfield;
_COLLISION_TYPES$sphe6 = COLLISION_TYPES.sphereParticle;
_COLLISION_TYPES$plan3 = COLLISION_TYPES.planeParticle;
_COLLISION_TYPES$boxP = COLLISION_TYPES.boxParticle;
_COLLISION_TYPES$conv3 = COLLISION_TYPES.convexParticle;
_COLLISION_TYPES$cyli = COLLISION_TYPES.cylinderCylinder;
_COLLISION_TYPES$sphe7 = COLLISION_TYPES.sphereCylinder;
_COLLISION_TYPES$plan4 = COLLISION_TYPES.planeCylinder;
_COLLISION_TYPES$boxC2 = COLLISION_TYPES.boxCylinder;
_COLLISION_TYPES$conv4 = COLLISION_TYPES.convexCylinder;
_COLLISION_TYPES$heig = COLLISION_TYPES.heightfieldCylinder;
_COLLISION_TYPES$part = COLLISION_TYPES.particleCylinder;
_COLLISION_TYPES$sphe8 = COLLISION_TYPES.sphereTrimesh;
_COLLISION_TYPES$plan5 = COLLISION_TYPES.planeTrimesh;
var Narrowphase = class {
  get [_COLLISION_TYPES$sphe]() {
    return this.sphereSphere;
  }
  get [_COLLISION_TYPES$sphe2]() {
    return this.spherePlane;
  }
  get [_COLLISION_TYPES$boxB]() {
    return this.boxBox;
  }
  get [_COLLISION_TYPES$sphe3]() {
    return this.sphereBox;
  }
  get [_COLLISION_TYPES$plan]() {
    return this.planeBox;
  }
  get [_COLLISION_TYPES$conv]() {
    return this.convexConvex;
  }
  get [_COLLISION_TYPES$sphe4]() {
    return this.sphereConvex;
  }
  get [_COLLISION_TYPES$plan2]() {
    return this.planeConvex;
  }
  get [_COLLISION_TYPES$boxC]() {
    return this.boxConvex;
  }
  get [_COLLISION_TYPES$sphe5]() {
    return this.sphereHeightfield;
  }
  get [_COLLISION_TYPES$boxH]() {
    return this.boxHeightfield;
  }
  get [_COLLISION_TYPES$conv2]() {
    return this.convexHeightfield;
  }
  get [_COLLISION_TYPES$sphe6]() {
    return this.sphereParticle;
  }
  get [_COLLISION_TYPES$plan3]() {
    return this.planeParticle;
  }
  get [_COLLISION_TYPES$boxP]() {
    return this.boxParticle;
  }
  get [_COLLISION_TYPES$conv3]() {
    return this.convexParticle;
  }
  get [_COLLISION_TYPES$cyli]() {
    return this.convexConvex;
  }
  get [_COLLISION_TYPES$sphe7]() {
    return this.sphereConvex;
  }
  get [_COLLISION_TYPES$plan4]() {
    return this.planeConvex;
  }
  get [_COLLISION_TYPES$boxC2]() {
    return this.boxConvex;
  }
  get [_COLLISION_TYPES$conv4]() {
    return this.convexConvex;
  }
  get [_COLLISION_TYPES$heig]() {
    return this.heightfieldCylinder;
  }
  get [_COLLISION_TYPES$part]() {
    return this.particleCylinder;
  }
  get [_COLLISION_TYPES$sphe8]() {
    return this.sphereTrimesh;
  }
  get [_COLLISION_TYPES$plan5]() {
    return this.planeTrimesh;
  }
  constructor(world) {
    this.contactPointPool = void 0;
    this.frictionEquationPool = void 0;
    this.result = void 0;
    this.frictionResult = void 0;
    this.v3pool = void 0;
    this.world = void 0;
    this.currentContactMaterial = void 0;
    this.enableFrictionReduction = void 0;
    this.contactPointPool = [];
    this.frictionEquationPool = [];
    this.result = [];
    this.frictionResult = [];
    this.v3pool = new Vec3Pool();
    this.world = world;
    this.currentContactMaterial = world.defaultContactMaterial;
    this.enableFrictionReduction = false;
  }
  createContactEquation(bi, bj, si, sj, overrideShapeA, overrideShapeB) {
    let c2;
    if (this.contactPointPool.length) {
      c2 = this.contactPointPool.pop();
      c2.bi = bi;
      c2.bj = bj;
    } else {
      c2 = new ContactEquation(bi, bj);
    }
    c2.enabled = bi.collisionResponse && bj.collisionResponse && si.collisionResponse && sj.collisionResponse;
    const cm = this.currentContactMaterial;
    c2.restitution = cm.restitution;
    c2.setSpookParams(cm.contactEquationStiffness, cm.contactEquationRelaxation, this.world.dt);
    const matA = si.material || bi.material;
    const matB = sj.material || bj.material;
    if (matA && matB && matA.restitution >= 0 && matB.restitution >= 0) {
      c2.restitution = matA.restitution * matB.restitution;
    }
    c2.si = overrideShapeA || si;
    c2.sj = overrideShapeB || sj;
    return c2;
  }
  createFrictionEquationsFromContact(contactEquation, outArray) {
    const bodyA = contactEquation.bi;
    const bodyB = contactEquation.bj;
    const shapeA = contactEquation.si;
    const shapeB = contactEquation.sj;
    const world = this.world;
    const cm = this.currentContactMaterial;
    let friction = cm.friction;
    const matA = shapeA.material || bodyA.material;
    const matB = shapeB.material || bodyB.material;
    if (matA && matB && matA.friction >= 0 && matB.friction >= 0) {
      friction = matA.friction * matB.friction;
    }
    if (friction > 0) {
      const mug = friction * world.gravity.length();
      let reducedMass = bodyA.invMass + bodyB.invMass;
      if (reducedMass > 0) {
        reducedMass = 1 / reducedMass;
      }
      const pool = this.frictionEquationPool;
      const c1 = pool.length ? pool.pop() : new FrictionEquation(bodyA, bodyB, mug * reducedMass);
      const c2 = pool.length ? pool.pop() : new FrictionEquation(bodyA, bodyB, mug * reducedMass);
      c1.bi = c2.bi = bodyA;
      c1.bj = c2.bj = bodyB;
      c1.minForce = c2.minForce = -mug * reducedMass;
      c1.maxForce = c2.maxForce = mug * reducedMass;
      c1.ri.copy(contactEquation.ri);
      c1.rj.copy(contactEquation.rj);
      c2.ri.copy(contactEquation.ri);
      c2.rj.copy(contactEquation.rj);
      contactEquation.ni.tangents(c1.t, c2.t);
      c1.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, world.dt);
      c2.setSpookParams(cm.frictionEquationStiffness, cm.frictionEquationRelaxation, world.dt);
      c1.enabled = c2.enabled = contactEquation.enabled;
      outArray.push(c1, c2);
      return true;
    }
    return false;
  }
  createFrictionFromAverage(numContacts) {
    let c2 = this.result[this.result.length - 1];
    if (!this.createFrictionEquationsFromContact(c2, this.frictionResult) || numContacts === 1) {
      return;
    }
    const f1 = this.frictionResult[this.frictionResult.length - 2];
    const f2 = this.frictionResult[this.frictionResult.length - 1];
    averageNormal.setZero();
    averageContactPointA.setZero();
    averageContactPointB.setZero();
    const bodyA = c2.bi;
    c2.bj;
    for (let i = 0; i !== numContacts; i++) {
      c2 = this.result[this.result.length - 1 - i];
      if (c2.bi !== bodyA) {
        averageNormal.vadd(c2.ni, averageNormal);
        averageContactPointA.vadd(c2.ri, averageContactPointA);
        averageContactPointB.vadd(c2.rj, averageContactPointB);
      } else {
        averageNormal.vsub(c2.ni, averageNormal);
        averageContactPointA.vadd(c2.rj, averageContactPointA);
        averageContactPointB.vadd(c2.ri, averageContactPointB);
      }
    }
    const invNumContacts = 1 / numContacts;
    averageContactPointA.scale(invNumContacts, f1.ri);
    averageContactPointB.scale(invNumContacts, f1.rj);
    f2.ri.copy(f1.ri);
    f2.rj.copy(f1.rj);
    averageNormal.normalize();
    averageNormal.tangents(f1.t, f2.t);
  }
  getContacts(p1, p2, world, result, oldcontacts, frictionResult, frictionPool) {
    this.contactPointPool = oldcontacts;
    this.frictionEquationPool = frictionPool;
    this.result = result;
    this.frictionResult = frictionResult;
    const qi = tmpQuat1;
    const qj = tmpQuat2;
    const xi = tmpVec1;
    const xj = tmpVec2;
    for (let k = 0, N = p1.length; k !== N; k++) {
      const bi = p1[k];
      const bj = p2[k];
      let bodyContactMaterial = null;
      if (bi.material && bj.material) {
        bodyContactMaterial = world.getContactMaterial(bi.material, bj.material) || null;
      }
      const justTest = bi.type & Body.KINEMATIC && bj.type & Body.STATIC || bi.type & Body.STATIC && bj.type & Body.KINEMATIC || bi.type & Body.KINEMATIC && bj.type & Body.KINEMATIC;
      for (let i = 0; i < bi.shapes.length; i++) {
        bi.quaternion.mult(bi.shapeOrientations[i], qi);
        bi.quaternion.vmult(bi.shapeOffsets[i], xi);
        xi.vadd(bi.position, xi);
        const si = bi.shapes[i];
        for (let j = 0; j < bj.shapes.length; j++) {
          bj.quaternion.mult(bj.shapeOrientations[j], qj);
          bj.quaternion.vmult(bj.shapeOffsets[j], xj);
          xj.vadd(bj.position, xj);
          const sj = bj.shapes[j];
          if (!(si.collisionFilterMask & sj.collisionFilterGroup && sj.collisionFilterMask & si.collisionFilterGroup)) {
            continue;
          }
          if (xi.distanceTo(xj) > si.boundingSphereRadius + sj.boundingSphereRadius) {
            continue;
          }
          let shapeContactMaterial = null;
          if (si.material && sj.material) {
            shapeContactMaterial = world.getContactMaterial(si.material, sj.material) || null;
          }
          this.currentContactMaterial = shapeContactMaterial || bodyContactMaterial || world.defaultContactMaterial;
          const resolverIndex = si.type | sj.type;
          const resolver = this[resolverIndex];
          if (resolver) {
            let retval = false;
            if (si.type < sj.type) {
              retval = resolver.call(this, si, sj, xi, xj, qi, qj, bi, bj, si, sj, justTest);
            } else {
              retval = resolver.call(this, sj, si, xj, xi, qj, qi, bj, bi, si, sj, justTest);
            }
            if (retval && justTest) {
              world.shapeOverlapKeeper.set(si.id, sj.id);
              world.bodyOverlapKeeper.set(bi.id, bj.id);
            }
          }
        }
      }
    }
  }
  sphereSphere(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    if (justTest) {
      return xi.distanceSquared(xj) < (si.radius + sj.radius) ** 2;
    }
    const contactEq = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
    xj.vsub(xi, contactEq.ni);
    contactEq.ni.normalize();
    contactEq.ri.copy(contactEq.ni);
    contactEq.rj.copy(contactEq.ni);
    contactEq.ri.scale(si.radius, contactEq.ri);
    contactEq.rj.scale(-sj.radius, contactEq.rj);
    contactEq.ri.vadd(xi, contactEq.ri);
    contactEq.ri.vsub(bi.position, contactEq.ri);
    contactEq.rj.vadd(xj, contactEq.rj);
    contactEq.rj.vsub(bj.position, contactEq.rj);
    this.result.push(contactEq);
    this.createFrictionEquationsFromContact(contactEq, this.frictionResult);
  }
  spherePlane(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
    r.ni.set(0, 0, 1);
    qj.vmult(r.ni, r.ni);
    r.ni.negate(r.ni);
    r.ni.normalize();
    r.ni.scale(si.radius, r.ri);
    xi.vsub(xj, point_on_plane_to_sphere);
    r.ni.scale(r.ni.dot(point_on_plane_to_sphere), plane_to_sphere_ortho);
    point_on_plane_to_sphere.vsub(plane_to_sphere_ortho, r.rj);
    if (-point_on_plane_to_sphere.dot(r.ni) <= si.radius) {
      if (justTest) {
        return true;
      }
      const ri = r.ri;
      const rj = r.rj;
      ri.vadd(xi, ri);
      ri.vsub(bi.position, ri);
      rj.vadd(xj, rj);
      rj.vsub(bj.position, rj);
      this.result.push(r);
      this.createFrictionEquationsFromContact(r, this.frictionResult);
    }
  }
  boxBox(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    si.convexPolyhedronRepresentation.material = si.material;
    sj.convexPolyhedronRepresentation.material = sj.material;
    si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse;
    sj.convexPolyhedronRepresentation.collisionResponse = sj.collisionResponse;
    return this.convexConvex(si.convexPolyhedronRepresentation, sj.convexPolyhedronRepresentation, xi, xj, qi, qj, bi, bj, si, sj, justTest);
  }
  sphereBox(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    const v3pool = this.v3pool;
    const sides = sphereBox_sides;
    xi.vsub(xj, box_to_sphere);
    sj.getSideNormals(sides, qj);
    const R = si.radius;
    let found = false;
    const side_ns = sphereBox_side_ns;
    const side_ns1 = sphereBox_side_ns1;
    const side_ns2 = sphereBox_side_ns2;
    let side_h = null;
    let side_penetrations = 0;
    let side_dot1 = 0;
    let side_dot2 = 0;
    let side_distance = null;
    for (let idx = 0, nsides = sides.length; idx !== nsides && found === false; idx++) {
      const ns = sphereBox_ns;
      ns.copy(sides[idx]);
      const h = ns.length();
      ns.normalize();
      const dot = box_to_sphere.dot(ns);
      if (dot < h + R && dot > 0) {
        const ns1 = sphereBox_ns1;
        const ns2 = sphereBox_ns2;
        ns1.copy(sides[(idx + 1) % 3]);
        ns2.copy(sides[(idx + 2) % 3]);
        const h1 = ns1.length();
        const h2 = ns2.length();
        ns1.normalize();
        ns2.normalize();
        const dot1 = box_to_sphere.dot(ns1);
        const dot2 = box_to_sphere.dot(ns2);
        if (dot1 < h1 && dot1 > -h1 && dot2 < h2 && dot2 > -h2) {
          const dist2 = Math.abs(dot - h - R);
          if (side_distance === null || dist2 < side_distance) {
            side_distance = dist2;
            side_dot1 = dot1;
            side_dot2 = dot2;
            side_h = h;
            side_ns.copy(ns);
            side_ns1.copy(ns1);
            side_ns2.copy(ns2);
            side_penetrations++;
            if (justTest) {
              return true;
            }
          }
        }
      }
    }
    if (side_penetrations) {
      found = true;
      const r2 = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
      side_ns.scale(-R, r2.ri);
      r2.ni.copy(side_ns);
      r2.ni.negate(r2.ni);
      side_ns.scale(side_h, side_ns);
      side_ns1.scale(side_dot1, side_ns1);
      side_ns.vadd(side_ns1, side_ns);
      side_ns2.scale(side_dot2, side_ns2);
      side_ns.vadd(side_ns2, r2.rj);
      r2.ri.vadd(xi, r2.ri);
      r2.ri.vsub(bi.position, r2.ri);
      r2.rj.vadd(xj, r2.rj);
      r2.rj.vsub(bj.position, r2.rj);
      this.result.push(r2);
      this.createFrictionEquationsFromContact(r2, this.frictionResult);
    }
    let rj = v3pool.get();
    const sphere_to_corner = sphereBox_sphere_to_corner;
    for (let j = 0; j !== 2 && !found; j++) {
      for (let k = 0; k !== 2 && !found; k++) {
        for (let l = 0; l !== 2 && !found; l++) {
          rj.set(0, 0, 0);
          if (j) {
            rj.vadd(sides[0], rj);
          } else {
            rj.vsub(sides[0], rj);
          }
          if (k) {
            rj.vadd(sides[1], rj);
          } else {
            rj.vsub(sides[1], rj);
          }
          if (l) {
            rj.vadd(sides[2], rj);
          } else {
            rj.vsub(sides[2], rj);
          }
          xj.vadd(rj, sphere_to_corner);
          sphere_to_corner.vsub(xi, sphere_to_corner);
          if (sphere_to_corner.lengthSquared() < R * R) {
            if (justTest) {
              return true;
            }
            found = true;
            const r2 = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
            r2.ri.copy(sphere_to_corner);
            r2.ri.normalize();
            r2.ni.copy(r2.ri);
            r2.ri.scale(R, r2.ri);
            r2.rj.copy(rj);
            r2.ri.vadd(xi, r2.ri);
            r2.ri.vsub(bi.position, r2.ri);
            r2.rj.vadd(xj, r2.rj);
            r2.rj.vsub(bj.position, r2.rj);
            this.result.push(r2);
            this.createFrictionEquationsFromContact(r2, this.frictionResult);
          }
        }
      }
    }
    v3pool.release(rj);
    rj = null;
    const edgeTangent = v3pool.get();
    const edgeCenter = v3pool.get();
    const r = v3pool.get();
    const orthogonal = v3pool.get();
    const dist = v3pool.get();
    const Nsides = sides.length;
    for (let j = 0; j !== Nsides && !found; j++) {
      for (let k = 0; k !== Nsides && !found; k++) {
        if (j % 3 !== k % 3) {
          sides[k].cross(sides[j], edgeTangent);
          edgeTangent.normalize();
          sides[j].vadd(sides[k], edgeCenter);
          r.copy(xi);
          r.vsub(edgeCenter, r);
          r.vsub(xj, r);
          const orthonorm = r.dot(edgeTangent);
          edgeTangent.scale(orthonorm, orthogonal);
          let l = 0;
          while (l === j % 3 || l === k % 3) {
            l++;
          }
          dist.copy(xi);
          dist.vsub(orthogonal, dist);
          dist.vsub(edgeCenter, dist);
          dist.vsub(xj, dist);
          const tdist = Math.abs(orthonorm);
          const ndist = dist.length();
          if (tdist < sides[l].length() && ndist < R) {
            if (justTest) {
              return true;
            }
            found = true;
            const res = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
            edgeCenter.vadd(orthogonal, res.rj);
            res.rj.copy(res.rj);
            dist.negate(res.ni);
            res.ni.normalize();
            res.ri.copy(res.rj);
            res.ri.vadd(xj, res.ri);
            res.ri.vsub(xi, res.ri);
            res.ri.normalize();
            res.ri.scale(R, res.ri);
            res.ri.vadd(xi, res.ri);
            res.ri.vsub(bi.position, res.ri);
            res.rj.vadd(xj, res.rj);
            res.rj.vsub(bj.position, res.rj);
            this.result.push(res);
            this.createFrictionEquationsFromContact(res, this.frictionResult);
          }
        }
      }
    }
    v3pool.release(edgeTangent, edgeCenter, r, orthogonal, dist);
  }
  planeBox(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    sj.convexPolyhedronRepresentation.material = sj.material;
    sj.convexPolyhedronRepresentation.collisionResponse = sj.collisionResponse;
    sj.convexPolyhedronRepresentation.id = sj.id;
    return this.planeConvex(si, sj.convexPolyhedronRepresentation, xi, xj, qi, qj, bi, bj, si, sj, justTest);
  }
  convexConvex(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest, faceListA, faceListB) {
    const sepAxis = convexConvex_sepAxis;
    if (xi.distanceTo(xj) > si.boundingSphereRadius + sj.boundingSphereRadius) {
      return;
    }
    if (si.findSeparatingAxis(sj, xi, qi, xj, qj, sepAxis, faceListA, faceListB)) {
      const res = [];
      const q = convexConvex_q;
      si.clipAgainstHull(xi, qi, sj, xj, qj, sepAxis, -100, 100, res);
      let numContacts = 0;
      for (let j = 0; j !== res.length; j++) {
        if (justTest) {
          return true;
        }
        const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
        const ri = r.ri;
        const rj = r.rj;
        sepAxis.negate(r.ni);
        res[j].normal.negate(q);
        q.scale(res[j].depth, q);
        res[j].point.vadd(q, ri);
        rj.copy(res[j].point);
        ri.vsub(xi, ri);
        rj.vsub(xj, rj);
        ri.vadd(xi, ri);
        ri.vsub(bi.position, ri);
        rj.vadd(xj, rj);
        rj.vsub(bj.position, rj);
        this.result.push(r);
        numContacts++;
        if (!this.enableFrictionReduction) {
          this.createFrictionEquationsFromContact(r, this.frictionResult);
        }
      }
      if (this.enableFrictionReduction && numContacts) {
        this.createFrictionFromAverage(numContacts);
      }
    }
  }
  sphereConvex(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    const v3pool = this.v3pool;
    xi.vsub(xj, convex_to_sphere);
    const normals = sj.faceNormals;
    const faces = sj.faces;
    const verts = sj.vertices;
    const R = si.radius;
    let found = false;
    for (let i = 0; i !== verts.length; i++) {
      const v = verts[i];
      const worldCorner = sphereConvex_worldCorner;
      qj.vmult(v, worldCorner);
      xj.vadd(worldCorner, worldCorner);
      const sphere_to_corner = sphereConvex_sphereToCorner;
      worldCorner.vsub(xi, sphere_to_corner);
      if (sphere_to_corner.lengthSquared() < R * R) {
        if (justTest) {
          return true;
        }
        found = true;
        const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
        r.ri.copy(sphere_to_corner);
        r.ri.normalize();
        r.ni.copy(r.ri);
        r.ri.scale(R, r.ri);
        worldCorner.vsub(xj, r.rj);
        r.ri.vadd(xi, r.ri);
        r.ri.vsub(bi.position, r.ri);
        r.rj.vadd(xj, r.rj);
        r.rj.vsub(bj.position, r.rj);
        this.result.push(r);
        this.createFrictionEquationsFromContact(r, this.frictionResult);
        return;
      }
    }
    for (let i = 0, nfaces = faces.length; i !== nfaces && found === false; i++) {
      const normal = normals[i];
      const face = faces[i];
      const worldNormal = sphereConvex_worldNormal;
      qj.vmult(normal, worldNormal);
      const worldPoint = sphereConvex_worldPoint;
      qj.vmult(verts[face[0]], worldPoint);
      worldPoint.vadd(xj, worldPoint);
      const worldSpherePointClosestToPlane = sphereConvex_worldSpherePointClosestToPlane;
      worldNormal.scale(-R, worldSpherePointClosestToPlane);
      xi.vadd(worldSpherePointClosestToPlane, worldSpherePointClosestToPlane);
      const penetrationVec = sphereConvex_penetrationVec;
      worldSpherePointClosestToPlane.vsub(worldPoint, penetrationVec);
      const penetration = penetrationVec.dot(worldNormal);
      const worldPointToSphere = sphereConvex_sphereToWorldPoint;
      xi.vsub(worldPoint, worldPointToSphere);
      if (penetration < 0 && worldPointToSphere.dot(worldNormal) > 0) {
        const faceVerts = [];
        for (let j = 0, Nverts = face.length; j !== Nverts; j++) {
          const worldVertex = v3pool.get();
          qj.vmult(verts[face[j]], worldVertex);
          xj.vadd(worldVertex, worldVertex);
          faceVerts.push(worldVertex);
        }
        if (pointInPolygon(faceVerts, worldNormal, xi)) {
          if (justTest) {
            return true;
          }
          found = true;
          const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
          worldNormal.scale(-R, r.ri);
          worldNormal.negate(r.ni);
          const penetrationVec2 = v3pool.get();
          worldNormal.scale(-penetration, penetrationVec2);
          const penetrationSpherePoint = v3pool.get();
          worldNormal.scale(-R, penetrationSpherePoint);
          xi.vsub(xj, r.rj);
          r.rj.vadd(penetrationSpherePoint, r.rj);
          r.rj.vadd(penetrationVec2, r.rj);
          r.rj.vadd(xj, r.rj);
          r.rj.vsub(bj.position, r.rj);
          r.ri.vadd(xi, r.ri);
          r.ri.vsub(bi.position, r.ri);
          v3pool.release(penetrationVec2);
          v3pool.release(penetrationSpherePoint);
          this.result.push(r);
          this.createFrictionEquationsFromContact(r, this.frictionResult);
          for (let j = 0, Nfaceverts = faceVerts.length; j !== Nfaceverts; j++) {
            v3pool.release(faceVerts[j]);
          }
          return;
        } else {
          for (let j = 0; j !== face.length; j++) {
            const v12 = v3pool.get();
            const v22 = v3pool.get();
            qj.vmult(verts[face[(j + 1) % face.length]], v12);
            qj.vmult(verts[face[(j + 2) % face.length]], v22);
            xj.vadd(v12, v12);
            xj.vadd(v22, v22);
            const edge = sphereConvex_edge;
            v22.vsub(v12, edge);
            const edgeUnit = sphereConvex_edgeUnit;
            edge.unit(edgeUnit);
            const p2 = v3pool.get();
            const v1_to_xi = v3pool.get();
            xi.vsub(v12, v1_to_xi);
            const dot = v1_to_xi.dot(edgeUnit);
            edgeUnit.scale(dot, p2);
            p2.vadd(v12, p2);
            const xi_to_p = v3pool.get();
            p2.vsub(xi, xi_to_p);
            if (dot > 0 && dot * dot < edge.lengthSquared() && xi_to_p.lengthSquared() < R * R) {
              if (justTest) {
                return true;
              }
              const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
              p2.vsub(xj, r.rj);
              p2.vsub(xi, r.ni);
              r.ni.normalize();
              r.ni.scale(R, r.ri);
              r.rj.vadd(xj, r.rj);
              r.rj.vsub(bj.position, r.rj);
              r.ri.vadd(xi, r.ri);
              r.ri.vsub(bi.position, r.ri);
              this.result.push(r);
              this.createFrictionEquationsFromContact(r, this.frictionResult);
              for (let j2 = 0, Nfaceverts = faceVerts.length; j2 !== Nfaceverts; j2++) {
                v3pool.release(faceVerts[j2]);
              }
              v3pool.release(v12);
              v3pool.release(v22);
              v3pool.release(p2);
              v3pool.release(xi_to_p);
              v3pool.release(v1_to_xi);
              return;
            }
            v3pool.release(v12);
            v3pool.release(v22);
            v3pool.release(p2);
            v3pool.release(xi_to_p);
            v3pool.release(v1_to_xi);
          }
        }
        for (let j = 0, Nfaceverts = faceVerts.length; j !== Nfaceverts; j++) {
          v3pool.release(faceVerts[j]);
        }
      }
    }
  }
  planeConvex(planeShape, convexShape, planePosition, convexPosition, planeQuat, convexQuat, planeBody, convexBody, si, sj, justTest) {
    const worldVertex = planeConvex_v;
    const worldNormal = planeConvex_normal;
    worldNormal.set(0, 0, 1);
    planeQuat.vmult(worldNormal, worldNormal);
    let numContacts = 0;
    const relpos2 = planeConvex_relpos;
    for (let i = 0; i !== convexShape.vertices.length; i++) {
      worldVertex.copy(convexShape.vertices[i]);
      convexQuat.vmult(worldVertex, worldVertex);
      convexPosition.vadd(worldVertex, worldVertex);
      worldVertex.vsub(planePosition, relpos2);
      const dot = worldNormal.dot(relpos2);
      if (dot <= 0) {
        if (justTest) {
          return true;
        }
        const r = this.createContactEquation(planeBody, convexBody, planeShape, convexShape, si, sj);
        const projected = planeConvex_projected;
        worldNormal.scale(worldNormal.dot(relpos2), projected);
        worldVertex.vsub(projected, projected);
        projected.vsub(planePosition, r.ri);
        r.ni.copy(worldNormal);
        worldVertex.vsub(convexPosition, r.rj);
        r.ri.vadd(planePosition, r.ri);
        r.ri.vsub(planeBody.position, r.ri);
        r.rj.vadd(convexPosition, r.rj);
        r.rj.vsub(convexBody.position, r.rj);
        this.result.push(r);
        numContacts++;
        if (!this.enableFrictionReduction) {
          this.createFrictionEquationsFromContact(r, this.frictionResult);
        }
      }
    }
    if (this.enableFrictionReduction && numContacts) {
      this.createFrictionFromAverage(numContacts);
    }
  }
  boxConvex(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    si.convexPolyhedronRepresentation.material = si.material;
    si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse;
    return this.convexConvex(si.convexPolyhedronRepresentation, sj, xi, xj, qi, qj, bi, bj, si, sj, justTest);
  }
  sphereHeightfield(sphereShape, hfShape, spherePos, hfPos, sphereQuat, hfQuat, sphereBody, hfBody, rsi, rsj, justTest) {
    const data = hfShape.data;
    const radius = sphereShape.radius;
    const w2 = hfShape.elementSize;
    const worldPillarOffset2 = sphereHeightfield_tmp2;
    const localSpherePos = sphereHeightfield_tmp1;
    Transform.pointToLocalFrame(hfPos, hfQuat, spherePos, localSpherePos);
    let iMinX = Math.floor((localSpherePos.x - radius) / w2) - 1;
    let iMaxX = Math.ceil((localSpherePos.x + radius) / w2) + 1;
    let iMinY = Math.floor((localSpherePos.y - radius) / w2) - 1;
    let iMaxY = Math.ceil((localSpherePos.y + radius) / w2) + 1;
    if (iMaxX < 0 || iMaxY < 0 || iMinX > data.length || iMinY > data[0].length) {
      return;
    }
    if (iMinX < 0) {
      iMinX = 0;
    }
    if (iMaxX < 0) {
      iMaxX = 0;
    }
    if (iMinY < 0) {
      iMinY = 0;
    }
    if (iMaxY < 0) {
      iMaxY = 0;
    }
    if (iMinX >= data.length) {
      iMinX = data.length - 1;
    }
    if (iMaxX >= data.length) {
      iMaxX = data.length - 1;
    }
    if (iMaxY >= data[0].length) {
      iMaxY = data[0].length - 1;
    }
    if (iMinY >= data[0].length) {
      iMinY = data[0].length - 1;
    }
    const minMax = [];
    hfShape.getRectMinMax(iMinX, iMinY, iMaxX, iMaxY, minMax);
    const min = minMax[0];
    const max = minMax[1];
    if (localSpherePos.z - radius > max || localSpherePos.z + radius < min) {
      return;
    }
    const result = this.result;
    for (let i = iMinX; i < iMaxX; i++) {
      for (let j = iMinY; j < iMaxY; j++) {
        const numContactsBefore = result.length;
        let intersecting = false;
        hfShape.getConvexTrianglePillar(i, j, false);
        Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset2);
        if (spherePos.distanceTo(worldPillarOffset2) < hfShape.pillarConvex.boundingSphereRadius + sphereShape.boundingSphereRadius) {
          intersecting = this.sphereConvex(sphereShape, hfShape.pillarConvex, spherePos, worldPillarOffset2, sphereQuat, hfQuat, sphereBody, hfBody, sphereShape, hfShape, justTest);
        }
        if (justTest && intersecting) {
          return true;
        }
        hfShape.getConvexTrianglePillar(i, j, true);
        Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset2);
        if (spherePos.distanceTo(worldPillarOffset2) < hfShape.pillarConvex.boundingSphereRadius + sphereShape.boundingSphereRadius) {
          intersecting = this.sphereConvex(sphereShape, hfShape.pillarConvex, spherePos, worldPillarOffset2, sphereQuat, hfQuat, sphereBody, hfBody, sphereShape, hfShape, justTest);
        }
        if (justTest && intersecting) {
          return true;
        }
        const numContacts = result.length - numContactsBefore;
        if (numContacts > 2) {
          return;
        }
      }
    }
  }
  boxHeightfield(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    si.convexPolyhedronRepresentation.material = si.material;
    si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse;
    return this.convexHeightfield(si.convexPolyhedronRepresentation, sj, xi, xj, qi, qj, bi, bj, si, sj, justTest);
  }
  convexHeightfield(convexShape, hfShape, convexPos, hfPos, convexQuat, hfQuat, convexBody, hfBody, rsi, rsj, justTest) {
    const data = hfShape.data;
    const w2 = hfShape.elementSize;
    const radius = convexShape.boundingSphereRadius;
    const worldPillarOffset2 = convexHeightfield_tmp2;
    const faceList = convexHeightfield_faceList;
    const localConvexPos = convexHeightfield_tmp1;
    Transform.pointToLocalFrame(hfPos, hfQuat, convexPos, localConvexPos);
    let iMinX = Math.floor((localConvexPos.x - radius) / w2) - 1;
    let iMaxX = Math.ceil((localConvexPos.x + radius) / w2) + 1;
    let iMinY = Math.floor((localConvexPos.y - radius) / w2) - 1;
    let iMaxY = Math.ceil((localConvexPos.y + radius) / w2) + 1;
    if (iMaxX < 0 || iMaxY < 0 || iMinX > data.length || iMinY > data[0].length) {
      return;
    }
    if (iMinX < 0) {
      iMinX = 0;
    }
    if (iMaxX < 0) {
      iMaxX = 0;
    }
    if (iMinY < 0) {
      iMinY = 0;
    }
    if (iMaxY < 0) {
      iMaxY = 0;
    }
    if (iMinX >= data.length) {
      iMinX = data.length - 1;
    }
    if (iMaxX >= data.length) {
      iMaxX = data.length - 1;
    }
    if (iMaxY >= data[0].length) {
      iMaxY = data[0].length - 1;
    }
    if (iMinY >= data[0].length) {
      iMinY = data[0].length - 1;
    }
    const minMax = [];
    hfShape.getRectMinMax(iMinX, iMinY, iMaxX, iMaxY, minMax);
    const min = minMax[0];
    const max = minMax[1];
    if (localConvexPos.z - radius > max || localConvexPos.z + radius < min) {
      return;
    }
    for (let i = iMinX; i < iMaxX; i++) {
      for (let j = iMinY; j < iMaxY; j++) {
        let intersecting = false;
        hfShape.getConvexTrianglePillar(i, j, false);
        Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset2);
        if (convexPos.distanceTo(worldPillarOffset2) < hfShape.pillarConvex.boundingSphereRadius + convexShape.boundingSphereRadius) {
          intersecting = this.convexConvex(convexShape, hfShape.pillarConvex, convexPos, worldPillarOffset2, convexQuat, hfQuat, convexBody, hfBody, null, null, justTest, faceList, null);
        }
        if (justTest && intersecting) {
          return true;
        }
        hfShape.getConvexTrianglePillar(i, j, true);
        Transform.pointToWorldFrame(hfPos, hfQuat, hfShape.pillarOffset, worldPillarOffset2);
        if (convexPos.distanceTo(worldPillarOffset2) < hfShape.pillarConvex.boundingSphereRadius + convexShape.boundingSphereRadius) {
          intersecting = this.convexConvex(convexShape, hfShape.pillarConvex, convexPos, worldPillarOffset2, convexQuat, hfQuat, convexBody, hfBody, null, null, justTest, faceList, null);
        }
        if (justTest && intersecting) {
          return true;
        }
      }
    }
  }
  sphereParticle(sj, si, xj, xi, qj, qi, bj, bi, rsi, rsj, justTest) {
    const normal = particleSphere_normal;
    normal.set(0, 0, 1);
    xi.vsub(xj, normal);
    const lengthSquared = normal.lengthSquared();
    if (lengthSquared <= sj.radius * sj.radius) {
      if (justTest) {
        return true;
      }
      const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
      normal.normalize();
      r.rj.copy(normal);
      r.rj.scale(sj.radius, r.rj);
      r.ni.copy(normal);
      r.ni.negate(r.ni);
      r.ri.set(0, 0, 0);
      this.result.push(r);
      this.createFrictionEquationsFromContact(r, this.frictionResult);
    }
  }
  planeParticle(sj, si, xj, xi, qj, qi, bj, bi, rsi, rsj, justTest) {
    const normal = particlePlane_normal;
    normal.set(0, 0, 1);
    bj.quaternion.vmult(normal, normal);
    const relpos2 = particlePlane_relpos;
    xi.vsub(bj.position, relpos2);
    const dot = normal.dot(relpos2);
    if (dot <= 0) {
      if (justTest) {
        return true;
      }
      const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
      r.ni.copy(normal);
      r.ni.negate(r.ni);
      r.ri.set(0, 0, 0);
      const projected = particlePlane_projected;
      normal.scale(normal.dot(xi), projected);
      xi.vsub(projected, projected);
      r.rj.copy(projected);
      this.result.push(r);
      this.createFrictionEquationsFromContact(r, this.frictionResult);
    }
  }
  boxParticle(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    si.convexPolyhedronRepresentation.material = si.material;
    si.convexPolyhedronRepresentation.collisionResponse = si.collisionResponse;
    return this.convexParticle(si.convexPolyhedronRepresentation, sj, xi, xj, qi, qj, bi, bj, si, sj, justTest);
  }
  convexParticle(sj, si, xj, xi, qj, qi, bj, bi, rsi, rsj, justTest) {
    let penetratedFaceIndex = -1;
    const penetratedFaceNormal = convexParticle_penetratedFaceNormal;
    const worldPenetrationVec = convexParticle_worldPenetrationVec;
    let minPenetration = null;
    const local = convexParticle_local;
    local.copy(xi);
    local.vsub(xj, local);
    qj.conjugate(cqj);
    cqj.vmult(local, local);
    if (sj.pointIsInside(local)) {
      if (sj.worldVerticesNeedsUpdate) {
        sj.computeWorldVertices(xj, qj);
      }
      if (sj.worldFaceNormalsNeedsUpdate) {
        sj.computeWorldFaceNormals(qj);
      }
      for (let i = 0, nfaces = sj.faces.length; i !== nfaces; i++) {
        const verts = [sj.worldVertices[sj.faces[i][0]]];
        const normal = sj.worldFaceNormals[i];
        xi.vsub(verts[0], convexParticle_vertexToParticle);
        const penetration = -normal.dot(convexParticle_vertexToParticle);
        if (minPenetration === null || Math.abs(penetration) < Math.abs(minPenetration)) {
          if (justTest) {
            return true;
          }
          minPenetration = penetration;
          penetratedFaceIndex = i;
          penetratedFaceNormal.copy(normal);
        }
      }
      if (penetratedFaceIndex !== -1) {
        const r = this.createContactEquation(bi, bj, si, sj, rsi, rsj);
        penetratedFaceNormal.scale(minPenetration, worldPenetrationVec);
        worldPenetrationVec.vadd(xi, worldPenetrationVec);
        worldPenetrationVec.vsub(xj, worldPenetrationVec);
        r.rj.copy(worldPenetrationVec);
        penetratedFaceNormal.negate(r.ni);
        r.ri.set(0, 0, 0);
        const ri = r.ri;
        const rj = r.rj;
        ri.vadd(xi, ri);
        ri.vsub(bi.position, ri);
        rj.vadd(xj, rj);
        rj.vsub(bj.position, rj);
        this.result.push(r);
        this.createFrictionEquationsFromContact(r, this.frictionResult);
      } else {
        console.warn("Point found inside convex, but did not find penetrating face!");
      }
    }
  }
  heightfieldCylinder(hfShape, convexShape, hfPos, convexPos, hfQuat, convexQuat, hfBody, convexBody, rsi, rsj, justTest) {
    return this.convexHeightfield(convexShape, hfShape, convexPos, hfPos, convexQuat, hfQuat, convexBody, hfBody, rsi, rsj, justTest);
  }
  particleCylinder(si, sj, xi, xj, qi, qj, bi, bj, rsi, rsj, justTest) {
    return this.convexParticle(sj, si, xj, xi, qj, qi, bj, bi, rsi, rsj, justTest);
  }
  sphereTrimesh(sphereShape, trimeshShape, spherePos, trimeshPos, sphereQuat, trimeshQuat, sphereBody, trimeshBody, rsi, rsj, justTest) {
    const edgeVertexA = sphereTrimesh_edgeVertexA;
    const edgeVertexB = sphereTrimesh_edgeVertexB;
    const edgeVector = sphereTrimesh_edgeVector;
    const edgeVectorUnit = sphereTrimesh_edgeVectorUnit;
    const localSpherePos = sphereTrimesh_localSpherePos;
    const tmp3 = sphereTrimesh_tmp;
    const localSphereAABB = sphereTrimesh_localSphereAABB;
    const v22 = sphereTrimesh_v2;
    const relpos2 = sphereTrimesh_relpos;
    const triangles = sphereTrimesh_triangles;
    Transform.pointToLocalFrame(trimeshPos, trimeshQuat, spherePos, localSpherePos);
    const sphereRadius = sphereShape.radius;
    localSphereAABB.lowerBound.set(localSpherePos.x - sphereRadius, localSpherePos.y - sphereRadius, localSpherePos.z - sphereRadius);
    localSphereAABB.upperBound.set(localSpherePos.x + sphereRadius, localSpherePos.y + sphereRadius, localSpherePos.z + sphereRadius);
    trimeshShape.getTrianglesInAABB(localSphereAABB, triangles);
    const v = sphereTrimesh_v;
    const radiusSquared = sphereShape.radius * sphereShape.radius;
    for (let i = 0; i < triangles.length; i++) {
      for (let j = 0; j < 3; j++) {
        trimeshShape.getVertex(trimeshShape.indices[triangles[i] * 3 + j], v);
        v.vsub(localSpherePos, relpos2);
        if (relpos2.lengthSquared() <= radiusSquared) {
          v22.copy(v);
          Transform.pointToWorldFrame(trimeshPos, trimeshQuat, v22, v);
          v.vsub(spherePos, relpos2);
          if (justTest) {
            return true;
          }
          let r = this.createContactEquation(sphereBody, trimeshBody, sphereShape, trimeshShape, rsi, rsj);
          r.ni.copy(relpos2);
          r.ni.normalize();
          r.ri.copy(r.ni);
          r.ri.scale(sphereShape.radius, r.ri);
          r.ri.vadd(spherePos, r.ri);
          r.ri.vsub(sphereBody.position, r.ri);
          r.rj.copy(v);
          r.rj.vsub(trimeshBody.position, r.rj);
          this.result.push(r);
          this.createFrictionEquationsFromContact(r, this.frictionResult);
        }
      }
    }
    for (let i = 0; i < triangles.length; i++) {
      for (let j = 0; j < 3; j++) {
        trimeshShape.getVertex(trimeshShape.indices[triangles[i] * 3 + j], edgeVertexA);
        trimeshShape.getVertex(trimeshShape.indices[triangles[i] * 3 + (j + 1) % 3], edgeVertexB);
        edgeVertexB.vsub(edgeVertexA, edgeVector);
        localSpherePos.vsub(edgeVertexB, tmp3);
        const positionAlongEdgeB = tmp3.dot(edgeVector);
        localSpherePos.vsub(edgeVertexA, tmp3);
        let positionAlongEdgeA = tmp3.dot(edgeVector);
        if (positionAlongEdgeA > 0 && positionAlongEdgeB < 0) {
          localSpherePos.vsub(edgeVertexA, tmp3);
          edgeVectorUnit.copy(edgeVector);
          edgeVectorUnit.normalize();
          positionAlongEdgeA = tmp3.dot(edgeVectorUnit);
          edgeVectorUnit.scale(positionAlongEdgeA, tmp3);
          tmp3.vadd(edgeVertexA, tmp3);
          const dist = tmp3.distanceTo(localSpherePos);
          if (dist < sphereShape.radius) {
            if (justTest) {
              return true;
            }
            const r = this.createContactEquation(sphereBody, trimeshBody, sphereShape, trimeshShape, rsi, rsj);
            tmp3.vsub(localSpherePos, r.ni);
            r.ni.normalize();
            r.ni.scale(sphereShape.radius, r.ri);
            r.ri.vadd(spherePos, r.ri);
            r.ri.vsub(sphereBody.position, r.ri);
            Transform.pointToWorldFrame(trimeshPos, trimeshQuat, tmp3, tmp3);
            tmp3.vsub(trimeshBody.position, r.rj);
            Transform.vectorToWorldFrame(trimeshQuat, r.ni, r.ni);
            Transform.vectorToWorldFrame(trimeshQuat, r.ri, r.ri);
            this.result.push(r);
            this.createFrictionEquationsFromContact(r, this.frictionResult);
          }
        }
      }
    }
    const va2 = sphereTrimesh_va;
    const vb2 = sphereTrimesh_vb;
    const vc2 = sphereTrimesh_vc;
    const normal = sphereTrimesh_normal;
    for (let i = 0, N = triangles.length; i !== N; i++) {
      trimeshShape.getTriangleVertices(triangles[i], va2, vb2, vc2);
      trimeshShape.getNormal(triangles[i], normal);
      localSpherePos.vsub(va2, tmp3);
      let dist = tmp3.dot(normal);
      normal.scale(dist, tmp3);
      localSpherePos.vsub(tmp3, tmp3);
      dist = tmp3.distanceTo(localSpherePos);
      if (Ray2.pointInTriangle(tmp3, va2, vb2, vc2) && dist < sphereShape.radius) {
        if (justTest) {
          return true;
        }
        let r = this.createContactEquation(sphereBody, trimeshBody, sphereShape, trimeshShape, rsi, rsj);
        tmp3.vsub(localSpherePos, r.ni);
        r.ni.normalize();
        r.ni.scale(sphereShape.radius, r.ri);
        r.ri.vadd(spherePos, r.ri);
        r.ri.vsub(sphereBody.position, r.ri);
        Transform.pointToWorldFrame(trimeshPos, trimeshQuat, tmp3, tmp3);
        tmp3.vsub(trimeshBody.position, r.rj);
        Transform.vectorToWorldFrame(trimeshQuat, r.ni, r.ni);
        Transform.vectorToWorldFrame(trimeshQuat, r.ri, r.ri);
        this.result.push(r);
        this.createFrictionEquationsFromContact(r, this.frictionResult);
      }
    }
    triangles.length = 0;
  }
  planeTrimesh(planeShape, trimeshShape, planePos, trimeshPos, planeQuat, trimeshQuat, planeBody, trimeshBody, rsi, rsj, justTest) {
    const v = new Vec3();
    const normal = planeTrimesh_normal;
    normal.set(0, 0, 1);
    planeQuat.vmult(normal, normal);
    for (let i = 0; i < trimeshShape.vertices.length / 3; i++) {
      trimeshShape.getVertex(i, v);
      const v22 = new Vec3();
      v22.copy(v);
      Transform.pointToWorldFrame(trimeshPos, trimeshQuat, v22, v);
      const relpos2 = planeTrimesh_relpos;
      v.vsub(planePos, relpos2);
      const dot = normal.dot(relpos2);
      if (dot <= 0) {
        if (justTest) {
          return true;
        }
        const r = this.createContactEquation(planeBody, trimeshBody, planeShape, trimeshShape, rsi, rsj);
        r.ni.copy(normal);
        const projected = planeTrimesh_projected;
        normal.scale(relpos2.dot(normal), projected);
        v.vsub(projected, projected);
        r.ri.copy(projected);
        r.ri.vsub(planeBody.position, r.ri);
        r.rj.copy(v);
        r.rj.vsub(trimeshBody.position, r.rj);
        this.result.push(r);
        this.createFrictionEquationsFromContact(r, this.frictionResult);
      }
    }
  }
};
var averageNormal = new Vec3();
var averageContactPointA = new Vec3();
var averageContactPointB = new Vec3();
var tmpVec1 = new Vec3();
var tmpVec2 = new Vec3();
var tmpQuat1 = new Quaternion2();
var tmpQuat2 = new Quaternion2();
var planeTrimesh_normal = new Vec3();
var planeTrimesh_relpos = new Vec3();
var planeTrimesh_projected = new Vec3();
var sphereTrimesh_normal = new Vec3();
var sphereTrimesh_relpos = new Vec3();
var sphereTrimesh_v = new Vec3();
var sphereTrimesh_v2 = new Vec3();
var sphereTrimesh_edgeVertexA = new Vec3();
var sphereTrimesh_edgeVertexB = new Vec3();
var sphereTrimesh_edgeVector = new Vec3();
var sphereTrimesh_edgeVectorUnit = new Vec3();
var sphereTrimesh_localSpherePos = new Vec3();
var sphereTrimesh_tmp = new Vec3();
var sphereTrimesh_va = new Vec3();
var sphereTrimesh_vb = new Vec3();
var sphereTrimesh_vc = new Vec3();
var sphereTrimesh_localSphereAABB = new AABB();
var sphereTrimesh_triangles = [];
var point_on_plane_to_sphere = new Vec3();
var plane_to_sphere_ortho = new Vec3();
var pointInPolygon_edge = new Vec3();
var pointInPolygon_edge_x_normal = new Vec3();
var pointInPolygon_vtp = new Vec3();
function pointInPolygon(verts, normal, p2) {
  let positiveResult = null;
  const N = verts.length;
  for (let i = 0; i !== N; i++) {
    const v = verts[i];
    const edge = pointInPolygon_edge;
    verts[(i + 1) % N].vsub(v, edge);
    const edge_x_normal = pointInPolygon_edge_x_normal;
    edge.cross(normal, edge_x_normal);
    const vertex_to_p = pointInPolygon_vtp;
    p2.vsub(v, vertex_to_p);
    const r = edge_x_normal.dot(vertex_to_p);
    if (positiveResult === null || r > 0 && positiveResult === true || r <= 0 && positiveResult === false) {
      if (positiveResult === null) {
        positiveResult = r > 0;
      }
      continue;
    } else {
      return false;
    }
  }
  return true;
}
var box_to_sphere = new Vec3();
var sphereBox_ns = new Vec3();
var sphereBox_ns1 = new Vec3();
var sphereBox_ns2 = new Vec3();
var sphereBox_sides = [new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3(), new Vec3()];
var sphereBox_sphere_to_corner = new Vec3();
var sphereBox_side_ns = new Vec3();
var sphereBox_side_ns1 = new Vec3();
var sphereBox_side_ns2 = new Vec3();
var convex_to_sphere = new Vec3();
var sphereConvex_edge = new Vec3();
var sphereConvex_edgeUnit = new Vec3();
var sphereConvex_sphereToCorner = new Vec3();
var sphereConvex_worldCorner = new Vec3();
var sphereConvex_worldNormal = new Vec3();
var sphereConvex_worldPoint = new Vec3();
var sphereConvex_worldSpherePointClosestToPlane = new Vec3();
var sphereConvex_penetrationVec = new Vec3();
var sphereConvex_sphereToWorldPoint = new Vec3();
var planeConvex_v = new Vec3();
var planeConvex_normal = new Vec3();
var planeConvex_relpos = new Vec3();
var planeConvex_projected = new Vec3();
var convexConvex_sepAxis = new Vec3();
var convexConvex_q = new Vec3();
var particlePlane_normal = new Vec3();
var particlePlane_relpos = new Vec3();
var particlePlane_projected = new Vec3();
var particleSphere_normal = new Vec3();
var cqj = new Quaternion2();
var convexParticle_local = new Vec3();
var convexParticle_penetratedFaceNormal = new Vec3();
var convexParticle_vertexToParticle = new Vec3();
var convexParticle_worldPenetrationVec = new Vec3();
var convexHeightfield_tmp1 = new Vec3();
var convexHeightfield_tmp2 = new Vec3();
var convexHeightfield_faceList = [0];
var sphereHeightfield_tmp1 = new Vec3();
var sphereHeightfield_tmp2 = new Vec3();
var OverlapKeeper = class {
  constructor() {
    this.current = void 0;
    this.previous = void 0;
    this.current = [];
    this.previous = [];
  }
  getKey(i, j) {
    if (j < i) {
      const temp = j;
      j = i;
      i = temp;
    }
    return i << 16 | j;
  }
  set(i, j) {
    const key = this.getKey(i, j);
    const current = this.current;
    let index = 0;
    while (key > current[index]) {
      index++;
    }
    if (key === current[index]) {
      return;
    }
    for (let j2 = current.length - 1; j2 >= index; j2--) {
      current[j2 + 1] = current[j2];
    }
    current[index] = key;
  }
  tick() {
    const tmp3 = this.current;
    this.current = this.previous;
    this.previous = tmp3;
    this.current.length = 0;
  }
  getDiff(additions2, removals2) {
    const a2 = this.current;
    const b2 = this.previous;
    const al = a2.length;
    const bl = b2.length;
    let j = 0;
    for (let i = 0; i < al; i++) {
      let found = false;
      const keyA = a2[i];
      while (keyA > b2[j]) {
        j++;
      }
      found = keyA === b2[j];
      if (!found) {
        unpackAndPush(additions2, keyA);
      }
    }
    j = 0;
    for (let i = 0; i < bl; i++) {
      let found = false;
      const keyB = b2[i];
      while (keyB > a2[j]) {
        j++;
      }
      found = a2[j] === keyB;
      if (!found) {
        unpackAndPush(removals2, keyB);
      }
    }
  }
};
function unpackAndPush(array, key) {
  array.push((key & 4294901760) >> 16, key & 65535);
}
var TupleDictionary = class {
  constructor() {
    this.data = {
      keys: []
    };
  }
  get(i, j) {
    if (i > j) {
      const temp = j;
      j = i;
      i = temp;
    }
    return this.data[i + "-" + j];
  }
  set(i, j, value) {
    if (i > j) {
      const temp = j;
      j = i;
      i = temp;
    }
    const key = i + "-" + j;
    if (!this.get(i, j)) {
      this.data.keys.push(key);
    }
    this.data[key] = value;
  }
  reset() {
    const data = this.data;
    const keys = data.keys;
    while (keys.length > 0) {
      const key = keys.pop();
      delete data[key];
    }
  }
};
var World = class extends EventTarget {
  constructor(options = {}) {
    super();
    this.dt = void 0;
    this.allowSleep = void 0;
    this.contacts = void 0;
    this.frictionEquations = void 0;
    this.quatNormalizeSkip = void 0;
    this.quatNormalizeFast = void 0;
    this.time = void 0;
    this.stepnumber = void 0;
    this.default_dt = void 0;
    this.nextId = void 0;
    this.gravity = void 0;
    this.broadphase = void 0;
    this.bodies = void 0;
    this.hasActiveBodies = void 0;
    this.solver = void 0;
    this.constraints = void 0;
    this.narrowphase = void 0;
    this.collisionMatrix = void 0;
    this.collisionMatrixPrevious = void 0;
    this.bodyOverlapKeeper = void 0;
    this.shapeOverlapKeeper = void 0;
    this.materials = void 0;
    this.contactmaterials = void 0;
    this.contactMaterialTable = void 0;
    this.defaultMaterial = void 0;
    this.defaultContactMaterial = void 0;
    this.doProfiling = void 0;
    this.profile = void 0;
    this.accumulator = void 0;
    this.subsystems = void 0;
    this.addBodyEvent = void 0;
    this.removeBodyEvent = void 0;
    this.idToBodyMap = void 0;
    this.dt = -1;
    this.allowSleep = !!options.allowSleep;
    this.contacts = [];
    this.frictionEquations = [];
    this.quatNormalizeSkip = options.quatNormalizeSkip !== void 0 ? options.quatNormalizeSkip : 0;
    this.quatNormalizeFast = options.quatNormalizeFast !== void 0 ? options.quatNormalizeFast : false;
    this.time = 0;
    this.stepnumber = 0;
    this.default_dt = 1 / 60;
    this.nextId = 0;
    this.gravity = new Vec3();
    if (options.gravity) {
      this.gravity.copy(options.gravity);
    }
    this.broadphase = options.broadphase !== void 0 ? options.broadphase : new NaiveBroadphase();
    this.bodies = [];
    this.hasActiveBodies = false;
    this.solver = options.solver !== void 0 ? options.solver : new GSSolver();
    this.constraints = [];
    this.narrowphase = new Narrowphase(this);
    this.collisionMatrix = new ArrayCollisionMatrix();
    this.collisionMatrixPrevious = new ArrayCollisionMatrix();
    this.bodyOverlapKeeper = new OverlapKeeper();
    this.shapeOverlapKeeper = new OverlapKeeper();
    this.materials = [];
    this.contactmaterials = [];
    this.contactMaterialTable = new TupleDictionary();
    this.defaultMaterial = new Material2("default");
    this.defaultContactMaterial = new ContactMaterial(this.defaultMaterial, this.defaultMaterial, {
      friction: 0.3,
      restitution: 0
    });
    this.doProfiling = false;
    this.profile = {
      solve: 0,
      makeContactConstraints: 0,
      broadphase: 0,
      integrate: 0,
      narrowphase: 0
    };
    this.accumulator = 0;
    this.subsystems = [];
    this.addBodyEvent = {
      type: "addBody",
      body: null
    };
    this.removeBodyEvent = {
      type: "removeBody",
      body: null
    };
    this.idToBodyMap = {};
    this.broadphase.setWorld(this);
  }
  getContactMaterial(m1, m2) {
    return this.contactMaterialTable.get(m1.id, m2.id);
  }
  numObjects() {
    return this.bodies.length;
  }
  collisionMatrixTick() {
    const temp = this.collisionMatrixPrevious;
    this.collisionMatrixPrevious = this.collisionMatrix;
    this.collisionMatrix = temp;
    this.collisionMatrix.reset();
    this.bodyOverlapKeeper.tick();
    this.shapeOverlapKeeper.tick();
  }
  addConstraint(c2) {
    this.constraints.push(c2);
  }
  removeConstraint(c2) {
    const idx = this.constraints.indexOf(c2);
    if (idx !== -1) {
      this.constraints.splice(idx, 1);
    }
  }
  rayTest(from, to, result) {
    if (result instanceof RaycastResult) {
      this.raycastClosest(from, to, {
        skipBackfaces: true
      }, result);
    } else {
      this.raycastAll(from, to, {
        skipBackfaces: true
      }, result);
    }
  }
  raycastAll(from, to, options = {}, callback) {
    options.mode = Ray2.ALL;
    options.from = from;
    options.to = to;
    options.callback = callback;
    return tmpRay.intersectWorld(this, options);
  }
  raycastAny(from, to, options = {}, result) {
    options.mode = Ray2.ANY;
    options.from = from;
    options.to = to;
    options.result = result;
    return tmpRay.intersectWorld(this, options);
  }
  raycastClosest(from, to, options = {}, result) {
    options.mode = Ray2.CLOSEST;
    options.from = from;
    options.to = to;
    options.result = result;
    return tmpRay.intersectWorld(this, options);
  }
  addBody(body) {
    if (this.bodies.includes(body)) {
      return;
    }
    body.index = this.bodies.length;
    this.bodies.push(body);
    body.world = this;
    body.initPosition.copy(body.position);
    body.initVelocity.copy(body.velocity);
    body.timeLastSleepy = this.time;
    if (body instanceof Body) {
      body.initAngularVelocity.copy(body.angularVelocity);
      body.initQuaternion.copy(body.quaternion);
    }
    this.collisionMatrix.setNumObjects(this.bodies.length);
    this.addBodyEvent.body = body;
    this.idToBodyMap[body.id] = body;
    this.dispatchEvent(this.addBodyEvent);
  }
  removeBody(body) {
    body.world = null;
    const n = this.bodies.length - 1;
    const bodies = this.bodies;
    const idx = bodies.indexOf(body);
    if (idx !== -1) {
      bodies.splice(idx, 1);
      for (let i = 0; i !== bodies.length; i++) {
        bodies[i].index = i;
      }
      this.collisionMatrix.setNumObjects(n);
      this.removeBodyEvent.body = body;
      delete this.idToBodyMap[body.id];
      this.dispatchEvent(this.removeBodyEvent);
    }
  }
  getBodyById(id) {
    return this.idToBodyMap[id];
  }
  getShapeById(id) {
    const bodies = this.bodies;
    for (let i = 0; i < bodies.length; i++) {
      const shapes = bodies[i].shapes;
      for (let j = 0; j < shapes.length; j++) {
        const shape = shapes[j];
        if (shape.id === id) {
          return shape;
        }
      }
    }
    return null;
  }
  addMaterial(m) {
    this.materials.push(m);
  }
  addContactMaterial(cmat) {
    this.contactmaterials.push(cmat);
    this.contactMaterialTable.set(cmat.materials[0].id, cmat.materials[1].id, cmat);
  }
  step(dt, timeSinceLastCalled, maxSubSteps = 10) {
    if (timeSinceLastCalled === void 0) {
      this.internalStep(dt);
      this.time += dt;
    } else {
      this.accumulator += timeSinceLastCalled;
      const t0 = performance2.now();
      let substeps = 0;
      while (this.accumulator >= dt && substeps < maxSubSteps) {
        this.internalStep(dt);
        this.accumulator -= dt;
        substeps++;
        if (performance2.now() - t0 > dt * 1e3) {
          break;
        }
      }
      this.accumulator = this.accumulator % dt;
      const t = this.accumulator / dt;
      for (let j = 0; j !== this.bodies.length; j++) {
        const b2 = this.bodies[j];
        b2.previousPosition.lerp(b2.position, t, b2.interpolatedPosition);
        b2.previousQuaternion.slerp(b2.quaternion, t, b2.interpolatedQuaternion);
        b2.previousQuaternion.normalize();
      }
      this.time += timeSinceLastCalled;
    }
  }
  internalStep(dt) {
    this.dt = dt;
    const contacts = this.contacts;
    const p1 = World_step_p1;
    const p2 = World_step_p2;
    const N = this.numObjects();
    const bodies = this.bodies;
    const solver = this.solver;
    const gravity = this.gravity;
    const doProfiling = this.doProfiling;
    const profile = this.profile;
    const DYNAMIC = Body.DYNAMIC;
    let profilingStart = -Infinity;
    const constraints = this.constraints;
    const frictionEquationPool = World_step_frictionEquationPool;
    gravity.length();
    const gx = gravity.x;
    const gy = gravity.y;
    const gz = gravity.z;
    let i = 0;
    if (doProfiling) {
      profilingStart = performance2.now();
    }
    for (i = 0; i !== N; i++) {
      const bi = bodies[i];
      if (bi.type === DYNAMIC) {
        const f = bi.force;
        const m = bi.mass;
        f.x += m * gx;
        f.y += m * gy;
        f.z += m * gz;
      }
    }
    for (let i2 = 0, Nsubsystems = this.subsystems.length; i2 !== Nsubsystems; i2++) {
      this.subsystems[i2].update();
    }
    if (doProfiling) {
      profilingStart = performance2.now();
    }
    p1.length = 0;
    p2.length = 0;
    this.broadphase.collisionPairs(this, p1, p2);
    if (doProfiling) {
      profile.broadphase = performance2.now() - profilingStart;
    }
    let Nconstraints = constraints.length;
    for (i = 0; i !== Nconstraints; i++) {
      const c2 = constraints[i];
      if (!c2.collideConnected) {
        for (let j = p1.length - 1; j >= 0; j -= 1) {
          if (c2.bodyA === p1[j] && c2.bodyB === p2[j] || c2.bodyB === p1[j] && c2.bodyA === p2[j]) {
            p1.splice(j, 1);
            p2.splice(j, 1);
          }
        }
      }
    }
    this.collisionMatrixTick();
    if (doProfiling) {
      profilingStart = performance2.now();
    }
    const oldcontacts = World_step_oldContacts;
    const NoldContacts = contacts.length;
    for (i = 0; i !== NoldContacts; i++) {
      oldcontacts.push(contacts[i]);
    }
    contacts.length = 0;
    const NoldFrictionEquations = this.frictionEquations.length;
    for (i = 0; i !== NoldFrictionEquations; i++) {
      frictionEquationPool.push(this.frictionEquations[i]);
    }
    this.frictionEquations.length = 0;
    this.narrowphase.getContacts(p1, p2, this, contacts, oldcontacts, this.frictionEquations, frictionEquationPool);
    if (doProfiling) {
      profile.narrowphase = performance2.now() - profilingStart;
    }
    if (doProfiling) {
      profilingStart = performance2.now();
    }
    for (i = 0; i < this.frictionEquations.length; i++) {
      solver.addEquation(this.frictionEquations[i]);
    }
    const ncontacts = contacts.length;
    for (let k = 0; k !== ncontacts; k++) {
      const c2 = contacts[k];
      const bi = c2.bi;
      const bj = c2.bj;
      const si = c2.si;
      const sj = c2.sj;
      let cm;
      if (bi.material && bj.material) {
        cm = this.getContactMaterial(bi.material, bj.material) || this.defaultContactMaterial;
      } else {
        cm = this.defaultContactMaterial;
      }
      cm.friction;
      if (bi.material && bj.material) {
        if (bi.material.friction >= 0 && bj.material.friction >= 0) {
          bi.material.friction * bj.material.friction;
        }
        if (bi.material.restitution >= 0 && bj.material.restitution >= 0) {
          c2.restitution = bi.material.restitution * bj.material.restitution;
        }
      }
      solver.addEquation(c2);
      if (bi.allowSleep && bi.type === Body.DYNAMIC && bi.sleepState === Body.SLEEPING && bj.sleepState === Body.AWAKE && bj.type !== Body.STATIC) {
        const speedSquaredB = bj.velocity.lengthSquared() + bj.angularVelocity.lengthSquared();
        const speedLimitSquaredB = bj.sleepSpeedLimit ** 2;
        if (speedSquaredB >= speedLimitSquaredB * 2) {
          bi.wakeUpAfterNarrowphase = true;
        }
      }
      if (bj.allowSleep && bj.type === Body.DYNAMIC && bj.sleepState === Body.SLEEPING && bi.sleepState === Body.AWAKE && bi.type !== Body.STATIC) {
        const speedSquaredA = bi.velocity.lengthSquared() + bi.angularVelocity.lengthSquared();
        const speedLimitSquaredA = bi.sleepSpeedLimit ** 2;
        if (speedSquaredA >= speedLimitSquaredA * 2) {
          bj.wakeUpAfterNarrowphase = true;
        }
      }
      this.collisionMatrix.set(bi, bj, true);
      if (!this.collisionMatrixPrevious.get(bi, bj)) {
        World_step_collideEvent.body = bj;
        World_step_collideEvent.contact = c2;
        bi.dispatchEvent(World_step_collideEvent);
        World_step_collideEvent.body = bi;
        bj.dispatchEvent(World_step_collideEvent);
      }
      this.bodyOverlapKeeper.set(bi.id, bj.id);
      this.shapeOverlapKeeper.set(si.id, sj.id);
    }
    this.emitContactEvents();
    if (doProfiling) {
      profile.makeContactConstraints = performance2.now() - profilingStart;
      profilingStart = performance2.now();
    }
    for (i = 0; i !== N; i++) {
      const bi = bodies[i];
      if (bi.wakeUpAfterNarrowphase) {
        bi.wakeUp();
        bi.wakeUpAfterNarrowphase = false;
      }
    }
    Nconstraints = constraints.length;
    for (i = 0; i !== Nconstraints; i++) {
      const c2 = constraints[i];
      c2.update();
      for (let j = 0, Neq = c2.equations.length; j !== Neq; j++) {
        const eq = c2.equations[j];
        solver.addEquation(eq);
      }
    }
    solver.solve(dt, this);
    if (doProfiling) {
      profile.solve = performance2.now() - profilingStart;
    }
    solver.removeAllEquations();
    const pow = Math.pow;
    for (i = 0; i !== N; i++) {
      const bi = bodies[i];
      if (bi.type & DYNAMIC) {
        const ld = pow(1 - bi.linearDamping, dt);
        const v = bi.velocity;
        v.scale(ld, v);
        const av = bi.angularVelocity;
        if (av) {
          const ad = pow(1 - bi.angularDamping, dt);
          av.scale(ad, av);
        }
      }
    }
    this.dispatchEvent(World_step_preStepEvent);
    for (i = 0; i !== N; i++) {
      const bi = bodies[i];
      if (bi.preStep) {
        bi.preStep.call(bi);
      }
    }
    if (doProfiling) {
      profilingStart = performance2.now();
    }
    const stepnumber = this.stepnumber;
    const quatNormalize = stepnumber % (this.quatNormalizeSkip + 1) === 0;
    const quatNormalizeFast = this.quatNormalizeFast;
    for (i = 0; i !== N; i++) {
      bodies[i].integrate(dt, quatNormalize, quatNormalizeFast);
    }
    this.clearForces();
    this.broadphase.dirty = true;
    if (doProfiling) {
      profile.integrate = performance2.now() - profilingStart;
    }
    this.stepnumber += 1;
    this.dispatchEvent(World_step_postStepEvent);
    for (i = 0; i !== N; i++) {
      const bi = bodies[i];
      const postStep = bi.postStep;
      if (postStep) {
        postStep.call(bi);
      }
    }
    let hasActiveBodies = true;
    if (this.allowSleep) {
      hasActiveBodies = false;
      for (i = 0; i !== N; i++) {
        const bi = bodies[i];
        bi.sleepTick(this.time);
        if (bi.sleepState !== Body.SLEEPING) {
          hasActiveBodies = true;
        }
      }
    }
    this.hasActiveBodies = hasActiveBodies;
  }
  emitContactEvents() {
    const hasBeginContact = this.hasAnyEventListener("beginContact");
    const hasEndContact = this.hasAnyEventListener("endContact");
    if (hasBeginContact || hasEndContact) {
      this.bodyOverlapKeeper.getDiff(additions, removals);
    }
    if (hasBeginContact) {
      for (let i = 0, l = additions.length; i < l; i += 2) {
        beginContactEvent.bodyA = this.getBodyById(additions[i]);
        beginContactEvent.bodyB = this.getBodyById(additions[i + 1]);
        this.dispatchEvent(beginContactEvent);
      }
      beginContactEvent.bodyA = beginContactEvent.bodyB = null;
    }
    if (hasEndContact) {
      for (let i = 0, l = removals.length; i < l; i += 2) {
        endContactEvent.bodyA = this.getBodyById(removals[i]);
        endContactEvent.bodyB = this.getBodyById(removals[i + 1]);
        this.dispatchEvent(endContactEvent);
      }
      endContactEvent.bodyA = endContactEvent.bodyB = null;
    }
    additions.length = removals.length = 0;
    const hasBeginShapeContact = this.hasAnyEventListener("beginShapeContact");
    const hasEndShapeContact = this.hasAnyEventListener("endShapeContact");
    if (hasBeginShapeContact || hasEndShapeContact) {
      this.shapeOverlapKeeper.getDiff(additions, removals);
    }
    if (hasBeginShapeContact) {
      for (let i = 0, l = additions.length; i < l; i += 2) {
        const shapeA = this.getShapeById(additions[i]);
        const shapeB = this.getShapeById(additions[i + 1]);
        beginShapeContactEvent.shapeA = shapeA;
        beginShapeContactEvent.shapeB = shapeB;
        if (shapeA)
          beginShapeContactEvent.bodyA = shapeA.body;
        if (shapeB)
          beginShapeContactEvent.bodyB = shapeB.body;
        this.dispatchEvent(beginShapeContactEvent);
      }
      beginShapeContactEvent.bodyA = beginShapeContactEvent.bodyB = beginShapeContactEvent.shapeA = beginShapeContactEvent.shapeB = null;
    }
    if (hasEndShapeContact) {
      for (let i = 0, l = removals.length; i < l; i += 2) {
        const shapeA = this.getShapeById(removals[i]);
        const shapeB = this.getShapeById(removals[i + 1]);
        endShapeContactEvent.shapeA = shapeA;
        endShapeContactEvent.shapeB = shapeB;
        if (shapeA)
          endShapeContactEvent.bodyA = shapeA.body;
        if (shapeB)
          endShapeContactEvent.bodyB = shapeB.body;
        this.dispatchEvent(endShapeContactEvent);
      }
      endShapeContactEvent.bodyA = endShapeContactEvent.bodyB = endShapeContactEvent.shapeA = endShapeContactEvent.shapeB = null;
    }
  }
  clearForces() {
    const bodies = this.bodies;
    const N = bodies.length;
    for (let i = 0; i !== N; i++) {
      const b2 = bodies[i];
      b2.force;
      b2.torque;
      b2.force.set(0, 0, 0);
      b2.torque.set(0, 0, 0);
    }
  }
};
new AABB();
var tmpRay = new Ray2();
var performance2 = globalThis.performance || {};
if (!performance2.now) {
  let nowOffset = Date.now();
  if (performance2.timing && performance2.timing.navigationStart) {
    nowOffset = performance2.timing.navigationStart;
  }
  performance2.now = () => Date.now() - nowOffset;
}
var World_step_postStepEvent = {
  type: "postStep"
};
var World_step_preStepEvent = {
  type: "preStep"
};
var World_step_collideEvent = {
  type: Body.COLLIDE_EVENT_NAME,
  body: null,
  contact: null
};
var World_step_oldContacts = [];
var World_step_frictionEquationPool = [];
var World_step_p1 = [];
var World_step_p2 = [];
var additions = [];
var removals = [];
var beginContactEvent = {
  type: "beginContact",
  bodyA: null,
  bodyB: null
};
var endContactEvent = {
  type: "endContact",
  bodyA: null,
  bodyB: null
};
var beginShapeContactEvent = {
  type: "beginShapeContact",
  bodyA: null,
  bodyB: null,
  shapeA: null,
  shapeB: null
};
var endShapeContactEvent = {
  type: "endShapeContact",
  bodyA: null,
  bodyB: null,
  shapeA: null,
  shapeB: null
};

// src/view/renderer/geometries.ts
var MATERIAL_OPTIONS = {
  specular: 1515554,
  color: 15790320,
  shininess: 60,
  flatShading: true
};
var DEFAULT_DICE_OPTIONS = {
  diceColor: "#202020",
  textColor: "#ffffff"
};
var DiceShape = class {
  constructor(w2, h, options = {
    diceColor: "#202020",
    textColor: "#aaaaaa"
  }) {
    this.w = w2;
    this.h = h;
    this.options = options;
    this.scale = 50;
    this.labels = [
      " ",
      "0",
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "7",
      "8",
      "9",
      "10",
      "11",
      "12",
      "13",
      "14",
      "15",
      "16",
      "17",
      "18",
      "19",
      "20"
    ];
    this.options = {
      ...DEFAULT_DICE_OPTIONS,
      ...options
    };
  }
  setColor({
    diceColor,
    textColor
  }) {
    this.options.diceColor = diceColor;
    this.options.textColor = textColor;
  }
  get radius() {
    return this.scale * this.scaleFactor;
  }
  get diceColor() {
    return this.options.diceColor;
  }
  get textColor() {
    return this.options.textColor;
  }
  get buffer() {
    return this.geometry.geometry;
  }
  create() {
    const geometry = this.getGeometry();
    const materials = this.getMaterials();
    this.geometry = new Mesh(geometry, materials);
    this.geometry.receiveShadow = true;
    this.geometry.castShadow = true;
    this.body.position.set(0 + this.radius * 2 * Math.random(), 0 + this.radius * 2 * Math.random(), 0 + this.radius * 4);
    this.body.velocity.x = 500 * Math.random() * 2 - 1;
    this.body.velocity.y = 500 * Math.random() * 2 - 1;
    this.body.angularVelocity.x = 100 * Math.random();
    this.body.angularVelocity.y = 100 * Math.random();
  }
  getGeometry() {
    let vectors = new Array(this.vertices.length);
    for (let i = 0; i < this.vertices.length; ++i) {
      vectors[i] = new Vector3().fromArray(this.vertices[i]).normalize();
    }
    this.chamferGeometry = this.getChamferGeometry(vectors);
    let geometry = this.makeGeometry(this.chamferGeometry.vectors, this.chamferGeometry.faces);
    this.shape = this.makeShape(vectors);
    this.body = new Body({
      mass: this.mass,
      shape: this.shape
    });
    return geometry;
  }
  makeShape(vertices) {
    let cv = new Array(vertices.length), cf = new Array(this.faces.length);
    for (let i = 0; i < vertices.length; ++i) {
      let v = vertices[i];
      cv[i] = new Vec3(v.x * this.radius, v.y * this.radius, v.z * this.radius);
    }
    for (let i = 0; i < this.faces.length; ++i) {
      cf[i] = this.faces[i].slice(0, this.faces[i].length - 1);
    }
    this.shapeData = { vertices: cv, faces: cf };
    return new ConvexPolyhedron({ vertices: cv, faces: cf });
  }
  getChamferGeometry(vectors) {
    let chamfer_vectors = [], chamfer_faces = [], corner_faces = new Array(vectors.length);
    for (let i = 0; i < vectors.length; ++i)
      corner_faces[i] = [];
    for (let i = 0; i < this.faces.length; ++i) {
      let ii = this.faces[i], fl = ii.length - 1;
      let center_point = new Vector3();
      let face = new Array(fl);
      for (let j = 0; j < fl; ++j) {
        let vv = vectors[ii[j]].clone();
        center_point.add(vv);
        corner_faces[ii[j]].push(face[j] = chamfer_vectors.push(vv) - 1);
      }
      center_point.divideScalar(fl);
      for (let j = 0; j < fl; ++j) {
        let vv = chamfer_vectors[face[j]];
        vv.subVectors(vv, center_point).multiplyScalar(this.chamfer).addVectors(vv, center_point);
      }
      face.push(ii[fl]);
      chamfer_faces.push(face);
    }
    for (let i = 0; i < this.faces.length - 1; ++i) {
      for (let j = i + 1; j < this.faces.length; ++j) {
        let pairs = [], lastm = -1;
        for (let m = 0; m < this.faces[i].length - 1; ++m) {
          let n = this.faces[j].indexOf(this.faces[i][m]);
          if (n >= 0 && n < this.faces[j].length - 1) {
            if (lastm >= 0 && m !== lastm + 1)
              pairs.unshift([i, m], [j, n]);
            else
              pairs.push([i, m], [j, n]);
            lastm = m;
          }
        }
        if (pairs.length !== 4)
          continue;
        chamfer_faces.push([
          chamfer_faces[pairs[0][0]][pairs[0][1]],
          chamfer_faces[pairs[1][0]][pairs[1][1]],
          chamfer_faces[pairs[3][0]][pairs[3][1]],
          chamfer_faces[pairs[2][0]][pairs[2][1]],
          -1
        ]);
      }
    }
    for (let i = 0; i < corner_faces.length; ++i) {
      let cf = corner_faces[i], face = [cf[0]], count = cf.length - 1;
      while (count) {
        for (let m = this.faces.length; m < chamfer_faces.length; ++m) {
          let index = chamfer_faces[m].indexOf(face[face.length - 1]);
          if (index >= 0 && index < 4) {
            if (--index === -1)
              index = 3;
            let next_vertex = chamfer_faces[m][index];
            if (cf.indexOf(next_vertex) >= 0) {
              face.push(next_vertex);
              break;
            }
          }
        }
        --count;
      }
      face.push(-1);
      chamfer_faces.push(face);
    }
    return { vectors: chamfer_vectors, faces: chamfer_faces };
  }
  makeGeometry(vertices, faces) {
    let geom = new BufferGeometry();
    for (let i = 0; i < vertices.length; ++i) {
      vertices[i] = vertices[i].multiplyScalar(this.radius);
    }
    let positions = [];
    const normals = [];
    const uvs = [];
    const cb2 = new Vector3();
    const ab2 = new Vector3();
    let materialIndex;
    let faceFirstVertexIndex = 0;
    for (let i = 0; i < faces.length; ++i) {
      let ii = faces[i], fl = ii.length - 1;
      let aa = Math.PI * 2 / fl;
      materialIndex = ii[fl] + 1;
      for (let j = 0; j < fl - 2; ++j) {
        positions.push(...vertices[ii[0]].toArray());
        positions.push(...vertices[ii[j + 1]].toArray());
        positions.push(...vertices[ii[j + 2]].toArray());
        cb2.subVectors(vertices[ii[j + 2]], vertices[ii[j + 1]]);
        ab2.subVectors(vertices[ii[0]], vertices[ii[j + 1]]);
        cb2.cross(ab2);
        cb2.normalize();
        normals.push(...cb2.toArray());
        normals.push(...cb2.toArray());
        normals.push(...cb2.toArray());
        uvs.push((Math.cos(this.af) + 1 + this.tab) / 2 / (1 + this.tab), (Math.sin(this.af) + 1 + this.tab) / 2 / (1 + this.tab));
        uvs.push((Math.cos(aa * (j + 1) + this.af) + 1 + this.tab) / 2 / (1 + this.tab), (Math.sin(aa * (j + 1) + this.af) + 1 + this.tab) / 2 / (1 + this.tab));
        uvs.push((Math.cos(aa * (j + 2) + this.af) + 1 + this.tab) / 2 / (1 + this.tab), (Math.sin(aa * (j + 2) + this.af) + 1 + this.tab) / 2 / (1 + this.tab));
      }
      let numOfVertices = (fl - 2) * 3;
      for (let i2 = 0; i2 < numOfVertices / 3; i2++) {
        geom.addGroup(faceFirstVertexIndex, 3, materialIndex);
        faceFirstVertexIndex += 3;
      }
    }
    geom.setAttribute("position", new Float32BufferAttribute(positions, 3));
    geom.setAttribute("normal", new Float32BufferAttribute(normals, 3));
    geom.setAttribute("uv", new Float32BufferAttribute(uvs, 2));
    geom.boundingSphere = new Sphere(new Vector3(), this.radius);
    return geom;
  }
  getMaterials() {
    let materials = [];
    for (let i = 0; i < this.labels.length; i++) {
      let texture = this.createTextTexture(i);
      materials.push(new MeshPhongMaterial(Object.assign({}, MATERIAL_OPTIONS, { map: texture })));
    }
    return materials;
  }
  calculateTextureSize(approx) {
    return Math.max(128, Math.pow(2, Math.floor(Math.log(approx) / Math.log(2))));
  }
  createTextTexture(index) {
    let text = this.labels[index];
    if (text == void 0)
      return null;
    const canvas = document.createElement("canvas");
    const context = canvas.getContext("2d");
    const ts = this.calculateTextureSize(this.scale / 2 + this.scale * this.margin) * 2;
    canvas.width = canvas.height = ts;
    let fontsize = ts / (1 + 2 * this.margin);
    if (this.sides == 100) {
      fontsize *= 0.75;
    }
    context.font = fontsize + "pt Arial";
    context.fillStyle = this.diceColor;
    context.fillRect(0, 0, canvas.width, canvas.height);
    context.textAlign = "center";
    context.textBaseline = "middle";
    if (this.sides == 10 || this.sides == 100) {
      context.translate(canvas.width / 2, canvas.height / 2);
      context.rotate(60 * Math.PI / 180);
      context.translate(-canvas.width / 2, -canvas.height / 2);
    }
    context.fillStyle = this.textColor;
    context.fillText(text, canvas.width / 2, canvas.height / 2);
    if (this.sides > 6 && (text == "6" || text == "9")) {
      context.fillText("  .", canvas.width / 2, canvas.height / 2);
    }
    var texture = new Texture(canvas);
    texture.needsUpdate = true;
    return texture;
  }
  clone() {
    return {
      body: new Body({
        mass: this.mass,
        shape: this.shape
      }),
      geometry: this.geometry.clone(),
      values: this.values
    };
  }
};
var D20DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.sides = 20;
    this.tab = -0.2;
    this.af = -Math.PI / 4 / 2;
    this.chamfer = 0.955;
    this.vertices = [];
    this.faces = [
      [0, 11, 5, 1],
      [0, 5, 1, 2],
      [0, 1, 7, 3],
      [0, 7, 10, 4],
      [0, 10, 11, 5],
      [1, 5, 9, 6],
      [5, 11, 4, 7],
      [11, 10, 2, 8],
      [10, 7, 6, 9],
      [7, 1, 8, 10],
      [3, 9, 4, 11],
      [3, 4, 2, 12],
      [3, 2, 6, 13],
      [3, 6, 8, 14],
      [3, 8, 9, 15],
      [4, 9, 5, 16],
      [2, 4, 11, 17],
      [6, 2, 10, 18],
      [8, 6, 7, 19],
      [9, 8, 1, 20]
    ];
    this.scaleFactor = 1;
    this.values = [...Array(20).keys()];
    this.margin = 1;
    this.mass = 400;
    let t = (1 + Math.sqrt(5)) / 2;
    this.vertices = [
      [-1, t, 0],
      [1, t, 0],
      [-1, -t, 0],
      [1, -t, 0],
      [0, -1, t],
      [0, 1, t],
      [0, -1, -t],
      [0, 1, -t],
      [t, 0, -1],
      [t, 0, 1],
      [-t, 0, -1],
      [-t, 0, 1]
    ];
    this.create();
  }
};
var D12DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 350;
    this.sides = 12;
    this.tab = 0.2;
    this.af = -Math.PI / 4 / 2;
    this.chamfer = 0.968;
    this.vertices = [];
    this.faces = [
      [2, 14, 4, 12, 0, 1],
      [15, 9, 11, 19, 3, 2],
      [16, 10, 17, 7, 6, 3],
      [6, 7, 19, 11, 18, 4],
      [6, 18, 2, 0, 16, 5],
      [18, 11, 9, 14, 2, 6],
      [1, 17, 10, 8, 13, 7],
      [1, 13, 5, 15, 3, 8],
      [13, 8, 12, 4, 5, 9],
      [5, 4, 14, 9, 15, 10],
      [0, 12, 8, 10, 16, 11],
      [3, 19, 7, 17, 1, 12]
    ];
    this.scaleFactor = 0.9;
    this.values = [...Array(12).keys()];
    this.margin = 1;
    let p2 = (1 + Math.sqrt(5)) / 2;
    let q = 1 / p2;
    this.vertices = [
      [0, q, p2],
      [0, q, -p2],
      [0, -q, p2],
      [0, -q, -p2],
      [p2, 0, q],
      [p2, 0, -q],
      [-p2, 0, q],
      [-p2, 0, -q],
      [q, p2, 0],
      [q, -p2, 0],
      [-q, p2, 0],
      [-q, -p2, 0],
      [1, 1, 1],
      [1, 1, -1],
      [1, -1, 1],
      [1, -1, -1],
      [-1, 1, 1],
      [-1, 1, -1],
      [-1, -1, 1],
      [-1, -1, -1]
    ];
    this.create();
  }
};
var D10DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 350;
    this.sides = 10;
    this.tab = 0;
    this.af = -Math.PI * 6 / 5;
    this.chamfer = 0.945;
    this.vertices = [];
    this.faces = [
      [5, 7, 11, 0],
      [4, 2, 10, 1],
      [1, 3, 11, 2],
      [0, 8, 10, 3],
      [7, 9, 11, 4],
      [8, 6, 10, 5],
      [9, 1, 11, 6],
      [2, 0, 10, 7],
      [3, 5, 11, 8],
      [6, 4, 10, 9],
      [1, 0, 2, -1],
      [1, 2, 3, -1],
      [3, 2, 4, -1],
      [3, 4, 5, -1],
      [5, 4, 6, -1],
      [5, 6, 7, -1],
      [7, 6, 8, -1],
      [7, 8, 9, -1],
      [9, 8, 0, -1],
      [9, 0, 1, -1]
    ];
    this.scaleFactor = 0.9;
    this.values = [...Array(10).keys()];
    this.margin = 1;
    for (let i = 0, b2 = 0; i < 10; ++i, b2 += Math.PI * 2 / 10) {
      this.vertices.push([
        Math.cos(b2),
        Math.sin(b2),
        0.105 * (i % 2 ? 1 : -1)
      ]);
    }
    this.vertices.push([0, 0, -1]);
    this.vertices.push([0, 0, 1]);
    this.create();
  }
};
var D100DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.labels = ["", "00", "10", "20", "30", "40", "50", "60", "70", "80", "90"];
    this.sides = 100;
    this.mass = 350;
    this.tab = 0;
    this.af = -Math.PI * 6 / 5;
    this.chamfer = 0.945;
    this.vertices = [];
    this.faces = [
      [5, 7, 11, 0],
      [4, 2, 10, 1],
      [1, 3, 11, 2],
      [0, 8, 10, 3],
      [7, 9, 11, 4],
      [8, 6, 10, 5],
      [9, 1, 11, 6],
      [2, 0, 10, 7],
      [3, 5, 11, 8],
      [6, 4, 10, 9],
      [1, 0, 2, -1],
      [1, 2, 3, -1],
      [3, 2, 4, -1],
      [3, 4, 5, -1],
      [5, 4, 6, -1],
      [5, 6, 7, -1],
      [7, 6, 8, -1],
      [7, 8, 9, -1],
      [9, 8, 0, -1],
      [9, 0, 1, -1]
    ];
    this.scaleFactor = 0.9;
    this.values = [...Array(10).keys()];
    this.margin = 1;
    for (let i = 0, b2 = 0; i < 10; ++i, b2 += Math.PI * 2 / 10) {
      this.vertices.push([
        Math.cos(b2),
        Math.sin(b2),
        0.105 * (i % 2 ? 1 : -1)
      ]);
    }
    this.vertices.push([0, 0, -1]);
    this.vertices.push([0, 0, 1]);
    this.create();
  }
};
var D8DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 340;
    this.sides = 8;
    this.tab = 0;
    this.af = -Math.PI / 4 / 2;
    this.chamfer = 0.965;
    this.vertices = [
      [1, 0, 0],
      [-1, 0, 0],
      [0, 1, 0],
      [0, -1, 0],
      [0, 0, 1],
      [0, 0, -1]
    ];
    this.faces = [
      [0, 2, 4, 1],
      [0, 4, 3, 2],
      [0, 3, 5, 3],
      [0, 5, 2, 4],
      [1, 3, 4, 5],
      [1, 4, 2, 6],
      [1, 2, 5, 7],
      [1, 5, 3, 8]
    ];
    this.scaleFactor = 1;
    this.values = [...Array(8).keys()];
    this.margin = 1.2;
    this.create();
  }
};
var D6DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 300;
    this.tab = 0.1;
    this.af = Math.PI / 4;
    this.chamfer = 0.96;
    this.vertices = [
      [-1, -1, -1],
      [1, -1, -1],
      [1, 1, -1],
      [-1, 1, -1],
      [-1, -1, 1],
      [1, -1, 1],
      [1, 1, 1],
      [-1, 1, 1]
    ];
    this.faces = [
      [0, 3, 2, 1, 1],
      [1, 2, 6, 5, 2],
      [0, 1, 5, 4, 3],
      [3, 7, 6, 2, 4],
      [0, 4, 7, 3, 5],
      [4, 5, 6, 7, 6]
    ];
    this.scaleFactor = 0.9;
    this.sides = 6;
    this.margin = 1;
    this.values = [...Array(6).keys()];
    this.create();
  }
};
var FudgeDiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 300;
    this.tab = 0.1;
    this.af = Math.PI / 4;
    this.chamfer = 0.96;
    this.vertices = [
      [-1, -1, -1],
      [1, -1, -1],
      [1, 1, -1],
      [-1, 1, -1],
      [-1, -1, 1],
      [1, -1, 1],
      [1, 1, 1],
      [-1, 1, 1]
    ];
    this.faces = [
      [0, 3, 2, 1, 1],
      [1, 2, 6, 5, 2],
      [0, 1, 5, 4, 3],
      [3, 7, 6, 2, 4],
      [0, 4, 7, 3, 5],
      [4, 5, 6, 7, 6]
    ];
    this.scaleFactor = 0.9;
    this.sides = 6;
    this.margin = 1;
    this.labels = ["", "", "+", "-", " ", "+", "-", " "];
    this.values = [null, 1, -1, 0, 1, -1, 0];
    this.create();
  }
};
var D4DiceShape = class extends DiceShape {
  constructor(w2, h, options = DEFAULT_DICE_OPTIONS) {
    super(w2, h, options);
    this.mass = 300;
    this.tab = -0.1;
    this.af = Math.PI * 7 / 6;
    this.chamfer = 0.96;
    this.vertices = [
      [1, 1, 1],
      [-1, -1, 1],
      [-1, 1, -1],
      [1, -1, -1]
    ];
    this.faces = [
      [1, 0, 2, 1],
      [0, 1, 3, 2],
      [0, 3, 2, 3],
      [1, 2, 3, 4]
    ];
    this.scaleFactor = 1.2;
    this.sides = 4;
    this.margin = 1;
    this.d4FaceTexts = [
      [[], [0, 0, 0], [2, 4, 3], [1, 3, 4], [2, 1, 4], [1, 2, 3]],
      [[], [0, 0, 0], [2, 3, 4], [3, 1, 4], [2, 4, 1], [3, 2, 1]],
      [[], [0, 0, 0], [4, 3, 2], [3, 4, 1], [4, 2, 1], [3, 1, 2]],
      [[], [0, 0, 0], [4, 2, 3], [1, 4, 3], [4, 1, 2], [1, 3, 2]]
    ];
    this.faceTexts = this.d4FaceTexts[0];
    this.values = [...Array(4).keys()];
    this.create();
  }
  getMaterials() {
    let materials = [];
    for (let i = 0; i < this.d4FaceTexts[0].length; ++i) {
      let texture = null;
      texture = this.createTextTexture(i);
      materials.push(new MeshPhongMaterial(Object.assign({}, MATERIAL_OPTIONS, { map: texture })));
    }
    return materials;
  }
  createTextTexture(index) {
    let canvas = document.createElement("canvas");
    let ctx = canvas.getContext("2d");
    let ts = this.calculateTextureSize(this.radius / 2 + this.radius * 2) * 2;
    canvas.width = canvas.height = ts;
    ctx.font = ts / 5 + "pt Arial";
    ctx.fillStyle = this.diceColor;
    ctx.fillRect(0, 0, canvas.width, canvas.height);
    ctx.textAlign = "center";
    ctx.textBaseline = "middle";
    ctx.fillStyle = this.textColor;
    for (let i in this.faceTexts[index]) {
      ctx.fillText(`${this.faceTexts[index][i]}`, canvas.width / 2, canvas.height / 2 - ts * 0.3);
      ctx.translate(canvas.width / 2, canvas.height / 2);
      ctx.rotate(Math.PI * 2 / 3);
      ctx.translate(-canvas.width / 2, -canvas.height / 2);
    }
    let texture = new Texture(canvas);
    texture.needsUpdate = true;
    return texture;
  }
  updateMaterialsForValue(diceValue) {
    if (diceValue < 0)
      diceValue += 4;
    this.faceTexts = this.d4FaceTexts[diceValue];
    this.geometry.material = this.getMaterials();
  }
};

// src/view/renderer.ts
var _DiceRenderer = class extends import_obsidian7.Component {
  constructor(plugin) {
    super();
    this.plugin = plugin;
    this.event = new import_obsidian7.Events();
    this.container = createDiv("renderer-container");
    this.shadows = true;
    this.iterations = 0;
    this.frame_rate = 1 / 60;
    this.animating = false;
    this.factory = new DiceFactory(this.WIDTH, this.HEIGHT, this.plugin);
    this.colors = {
      ambient: 16777215,
      spotlight: 16777215
    };
    this.display = {
      currentWidth: null,
      currentHeight: null,
      containerWidth: null,
      containerHeight: null,
      aspect: null,
      scale: null
    };
    this.cameraHeight = {
      max: null,
      close: null,
      medium: null,
      far: null
    };
    this.extraFrames = _DiceRenderer.DEFAULT_EXTRA_FRAMES;
    this.renderer = new WebGLRenderer({
      alpha: true,
      antialias: true
    });
  }
  get WIDTH() {
    return this.container.clientWidth / 2;
  }
  get HEIGHT() {
    return this.container.clientHeight / 2;
  }
  get ASPECT() {
    return this.WIDTH / this.HEIGHT;
  }
  get scale() {
    return (this.WIDTH * this.WIDTH + this.HEIGHT * this.HEIGHT) / 13;
  }
  get canvasEl() {
    if (!this.renderer)
      return null;
    return this.renderer.domElement;
  }
  setDice(stack) {
    if (this.animating) {
      this.unload();
      this.load();
    }
    this.stack = stack;
    this.current = this.factory.getDice(this.stack, {
      x: (Math.random() * 2 - 1) * this.WIDTH,
      y: -(Math.random() * 2 - 1) * this.HEIGHT
    });
    this.scene.add(...[...this.current.values()].flat().map((d) => d.geometry));
    this.world.add(...[...this.current.values()].flat());
  }
  onload() {
    this.addChild(this.factory);
    this.container.empty();
    this.container.style.opacity = `1`;
    document.body.appendChild(this.container);
    this.renderer.shadowMap.enabled = this.shadows;
    this.renderer.shadowMap.type = PCFSoftShadowMap;
    this.container.appendChild(this.renderer.domElement);
    this.renderer.setClearColor(0, 0);
    this.scene = new Scene();
    this.initScene();
    this.registerDomEvent(window, "resize", () => {
      this.initScene();
    });
    this.initWorld();
  }
  async start() {
    return new Promise(async (resolve2, reject2) => {
      if (!this.current.size)
        reject2();
      this.event.on("throw-finished", (result) => {
        resolve2(result);
      });
      this.event.on("error", (e) => {
        reject2(e);
      });
      this.animating = true;
      this.extraFrames = _DiceRenderer.DEFAULT_EXTRA_FRAMES;
      this.render();
    });
  }
  enableShadows() {
    this.shadows = true;
    if (this.renderer)
      this.renderer.shadowMap.enabled = this.shadows;
    if (this.light)
      this.light.castShadow = this.shadows;
    if (this.desk)
      this.desk.receiveShadow = this.shadows;
  }
  disableShadows() {
    this.shadows = false;
    if (this.renderer)
      this.renderer.shadowMap.enabled = this.shadows;
    if (this.light)
      this.light.castShadow = this.shadows;
    if (this.desk)
      this.desk.receiveShadow = this.shadows;
  }
  get mw() {
    return Math.max(this.WIDTH, this.HEIGHT);
  }
  setDimensions(dimensions) {
    this.display.currentWidth = this.container.clientWidth / 2;
    this.display.currentHeight = this.container.clientHeight / 2;
    if (dimensions) {
      this.display.containerWidth = dimensions.w;
      this.display.containerHeight = dimensions.h;
    } else {
      this.display.containerWidth = this.display.currentWidth;
      this.display.containerHeight = this.display.currentHeight;
    }
    this.display.aspect = Math.min(this.display.currentWidth / this.display.containerWidth, this.display.currentHeight / this.display.containerHeight);
    this.display.scale = Math.sqrt(this.display.containerWidth * this.display.containerWidth + this.display.containerHeight * this.display.containerHeight) / 13;
    this.renderer.setSize(this.display.currentWidth * 2, this.display.currentHeight * 2);
    this.cameraHeight.max = this.display.currentHeight / this.display.aspect / Math.tan(10 * Math.PI / 180);
    this.factory.width = this.display.currentWidth;
    this.factory.height = this.display.currentHeight;
    this.cameraHeight.medium = this.cameraHeight.max / 1.5;
    this.cameraHeight.far = this.cameraHeight.max;
    this.cameraHeight.close = this.cameraHeight.max / 2;
  }
  initCamera() {
    if (this.camera)
      this.scene.remove(this.camera);
    this.camera = new PerspectiveCamera(20, this.display.currentWidth / this.display.currentHeight, 1, this.cameraHeight.max * 1.3);
    this.camera.position.z = this.cameraHeight.far;
    this.camera.lookAt(new Vector3(0, 0, 0));
  }
  initLighting() {
    const maxwidth = Math.max(this.display.containerWidth, this.display.containerHeight);
    if (this.light)
      this.scene.remove(this.light);
    if (this.ambientLight)
      this.scene.remove(this.ambientLight);
    this.light = new SpotLight(this.colors.spotlight, 0.25);
    this.light.position.set(-maxwidth / 2, maxwidth / 2, maxwidth * 3);
    this.light.target.position.set(0, 0, 0);
    this.light.distance = maxwidth * 5;
    this.light.angle = Math.PI / 4;
    this.light.castShadow = this.shadows;
    this.light.shadow.camera.near = maxwidth / 10;
    this.light.shadow.camera.far = maxwidth * 5;
    this.light.shadow.camera.fov = 50;
    this.light.shadow.bias = 1e-3;
    this.light.shadow.mapSize.width = 1024;
    this.light.shadow.mapSize.height = 1024;
    this.scene.add(this.light);
    this.ambientLight = new AmbientLight(16777215, 0.9);
    this.scene.add(this.ambientLight);
  }
  initDesk() {
    if (this.desk)
      this.scene.remove(this.desk);
    let shadowplane = new ShadowMaterial();
    shadowplane.opacity = 0.5;
    this.desk = new Mesh(new PlaneGeometry(this.display.containerWidth * 6, this.display.containerHeight * 6, 1, 1), shadowplane);
    this.desk.receiveShadow = this.shadows;
    this.scene.add(this.desk);
  }
  initScene() {
    this.setDimensions();
    this.initCamera();
    this.initLighting();
    this.initDesk();
    this.camera.updateProjectionMatrix();
    this.renderer.render(this.scene, this.camera);
  }
  initWorld() {
    this.world = new World2(this.WIDTH, this.HEIGHT);
    this.iterations = 0;
  }
  returnResult() {
    for (const roller of this.stack.dynamic) {
      if (!this.current.has(roller)) {
        continue;
      }
      const diceArray = this.current.get(roller);
      const percentile = diceArray.filter((d) => d instanceof D10Dice && d.isPercentile);
      const chunked = [];
      for (let i = 0; i < percentile.length; i += 2) {
        chunked.push(percentile.slice(i, i + 2));
      }
      let results = [
        ...diceArray.filter((d) => !(d instanceof D10Dice && d.isPercentile)).map((dice) => {
          return dice.getUpsideValue();
        }).filter((r) => r),
        ...chunked.map(([tensDice, onesDice]) => {
          let tens = tensDice.getUpsideValue();
          if (!onesDice)
            return tens;
          let ones = onesDice.getUpsideValue();
          if (tens === 10 && ones == 10) {
            return 100;
          } else {
            if (ones == 10)
              ones = 0;
            if (tens == 10)
              tens = 0;
            return tens * 10 + ones;
          }
        }).filter((r) => r)
      ];
      roller.setResults(results);
    }
    this.event.trigger("throw-finished", this.stack);
  }
  render() {
    if (this.throwFinished()) {
      if (this.extraFrames > 10) {
        this.extraFrames--;
      } else {
        try {
          this.returnResult();
          this.registerInterval(window.setTimeout(() => {
            this.container.style.opacity = `0`;
            this.registerInterval(window.setTimeout(() => {
              this.animating = false;
              this.unload();
            }, 1e3));
          }, 2e3));
        } catch (e) {
          this.event.trigger("error", e);
        }
        return;
      }
    }
    this.animation = requestAnimationFrame(() => this.render());
    this.world.step(this.frame_rate);
    this.iterations++;
    this.current.forEach((dice) => {
      dice.map((d) => d.set());
    });
    this.renderer.render(this.scene, this.camera);
  }
  dispose(...children) {
    children.forEach((child) => {
      if ("dispose" in child)
        child.dispose();
      if (child.children)
        this.dispose(...child.children);
    });
  }
  detach() {
  }
  onunload() {
    cancelAnimationFrame(this.animation);
    this.container.detach();
    this.container.empty();
    this.renderer.domElement.detach();
    this.renderer.dispose();
    this.factory.dispose();
    this.ambientLight.dispose();
    this.light.dispose();
    this.scene.children.forEach((child) => this.dispose(child));
    this.scene.remove(this.scene, ...this.scene.children, ...[...this.current.values()].flat().map((d) => d.geometry));
    this.current.forEach((arr) => {
      arr.forEach((dice) => {
        let materials = [
          ...Array.isArray(dice.geometry.material) ? dice.geometry.material : [dice.geometry.material]
        ];
        materials.forEach((material) => material && material.dispose());
        this.world.world.removeBody(dice.body);
      });
    });
    this.current = /* @__PURE__ */ new Map();
  }
  onThrowFinished() {
  }
  throwFinished() {
    let res = true;
    const threshold = 4;
    if (this.iterations < 10 / this.frame_rate) {
      for (const diceArray of this.current.values()) {
        for (const dice of diceArray) {
          if (dice.stopped === true)
            continue;
          const a2 = dice.body.angularVelocity, v = dice.body.velocity;
          if (Math.abs(a2.x) < threshold && Math.abs(a2.y) < threshold && Math.abs(a2.z) < threshold && Math.abs(v.x) < threshold && Math.abs(v.y) < threshold && Math.abs(v.z) < threshold) {
            if (dice.stopped) {
              if (this.iterations - dice.stopped > 3) {
                dice.stopped = true;
                continue;
              }
            } else {
              dice.stopped = this.iterations;
            }
            res = false;
          } else {
            dice.stopped = void 0;
            res = false;
          }
        }
      }
    }
    return res;
  }
};
var DiceRenderer = _DiceRenderer;
DiceRenderer.DEFAULT_EXTRA_FRAMES = 30;
var World2 = class {
  constructor(WIDTH, HEIGHT) {
    this.WIDTH = WIDTH;
    this.HEIGHT = HEIGHT;
    this.world = new World({ gravity: new Vec3(0, 0, -9.82 * 400) });
    this.ground = this.getPlane();
    this.diceMaterial = new Material2();
    this.deskMaterial = new Material2();
    this.barrierMaterial = new Material2();
    this.world.broadphase = new NaiveBroadphase();
    this.world.allowSleep = true;
    this.ground.position.set(0, 0, 0);
    this.world.addBody(this.ground);
    this.buildWalls();
  }
  add(...dice) {
    dice.forEach((die) => {
      this.world.addBody(die.body);
    });
  }
  step(step = 1 / 60) {
    const time = performance.now() / 1e3;
    if (!this.lastCallTime) {
      this.world.step(step);
    } else {
      const dt = time - this.lastCallTime;
      this.world.step(step, dt);
    }
    this.lastCallTime = time;
  }
  buildWalls() {
    this.world.addContactMaterial(new ContactMaterial(this.deskMaterial, this.diceMaterial, {
      friction: 0.01,
      restitution: 0.5,
      contactEquationRelaxation: 3,
      contactEquationStiffness: 1e8
    }));
    this.world.addContactMaterial(new ContactMaterial(this.barrierMaterial, this.diceMaterial, {
      friction: 0.01,
      restitution: 1,
      contactEquationRelaxation: 3,
      contactEquationStiffness: 1e8
    }));
    this.world.addContactMaterial(new ContactMaterial(this.diceMaterial, this.diceMaterial, {
      friction: 0.1,
      restitution: 0.5,
      contactEquationRelaxation: 3,
      contactEquationStiffness: 1e8
    }));
    this.world.addBody(new Body({
      allowSleep: false,
      mass: 0,
      shape: new Plane2(),
      material: this.deskMaterial
    }));
    let barrier = new Body({
      allowSleep: false,
      mass: 0,
      shape: new Plane2(),
      material: this.barrierMaterial
    });
    barrier.quaternion.setFromAxisAngle(new Vec3(1, 0, 0), Math.PI / 2);
    barrier.position.set(0, this.HEIGHT * 0.93, 0);
    this.world.addBody(barrier);
    barrier = new Body({
      allowSleep: false,
      mass: 0,
      shape: new Plane2(),
      material: this.barrierMaterial
    });
    barrier.quaternion.setFromAxisAngle(new Vec3(1, 0, 0), -Math.PI / 2);
    barrier.position.set(0, -this.HEIGHT * 0.93, 0);
    this.world.addBody(barrier);
    barrier = new Body({
      allowSleep: false,
      mass: 0,
      shape: new Plane2(),
      material: this.barrierMaterial
    });
    barrier.quaternion.setFromAxisAngle(new Vec3(0, 1, 0), -Math.PI / 2);
    barrier.position.set(this.WIDTH * 0.93, 0, 0);
    this.world.addBody(barrier);
    barrier = new Body({
      allowSleep: false,
      mass: 0,
      shape: new Plane2(),
      material: this.barrierMaterial
    });
    barrier.quaternion.setFromAxisAngle(new Vec3(0, 1, 0), Math.PI / 2);
    barrier.position.set(-this.WIDTH * 0.93, 0, 0);
    this.world.addBody(barrier);
  }
  getPlane() {
    return new Body({
      type: Body.STATIC,
      shape: new Plane2()
    });
  }
};
var DEFAULT_VECTOR = {
  pos: {
    x: 0 + 100 * Math.random(),
    y: 0 + 100 * Math.random(),
    z: 0 + 250
  },
  velocity: {
    x: 600 * (Math.random() * 2 + 1),
    y: 750 * (Math.random() * 2 + 1),
    z: 0
  },
  angular: {
    x: 200 * Math.random(),
    y: 200 * Math.random(),
    z: 100 * Math.random()
  },
  axis: {
    x: Math.random(),
    y: Math.random(),
    z: Math.random(),
    w: Math.random()
  }
};
var Dice = class {
  constructor(w2, h, data) {
    this.w = w2;
    this.h = h;
    this.data = data;
    this.scale = 50;
    this.stopped = false;
    this.iteration = 0;
    this.vector = { ...DEFAULT_VECTOR };
    this.geometry = data.geometry;
    this.body = data.body;
  }
  generateVector(v) {
    const dist = Math.sqrt(v.x * v.x + v.y * v.y);
    const boost = (Math.random() + 3) * dist;
    const vector = { x: v.x / dist, y: v.y / dist };
    const vec = this.makeRandomVector(vector);
    const pos = {
      x: this.w * (vec.x > 0 ? -1 : 1) * 0.9,
      y: this.h * (vec.y > 0 ? -1 : 1) * 0.9,
      z: Math.random() * 200 + 200
    };
    const projector = Math.abs(vec.x / vec.y);
    if (projector > 1)
      pos.y /= projector;
    else
      pos.x *= projector;
    const velvec = this.makeRandomVector(vector);
    const velocity = {
      x: velvec.x * boost,
      y: velvec.y * boost,
      z: -10
    };
    const angular = {
      x: -(Math.random() * vec.y * 5 + this.inertia * vec.y),
      y: Math.random() * vec.x * 5 + this.inertia * vec.x,
      z: 0
    };
    const axis = {
      x: Math.random(),
      y: Math.random(),
      z: Math.random(),
      w: Math.random()
    };
    return {
      pos,
      velocity,
      angular,
      axis
    };
  }
  makeRandomVector(vector) {
    const random_angle = Math.random() * Math.PI / 5 - Math.PI / 5 / 2;
    const vec = {
      x: vector.x * Math.cos(random_angle) - vector.y * Math.sin(random_angle),
      y: vector.x * Math.sin(random_angle) + vector.y * Math.cos(random_angle)
    };
    if (vec.x == 0)
      vec.x = 0.01;
    if (vec.y == 0)
      vec.y = 0.01;
    return vec;
  }
  get buffer() {
    return this.geometry.geometry;
  }
  getUpsideValue() {
    let vector = new Vector3(0, 0, this.sides == 4 ? -1 : 1);
    let closest_face, closest_angle = Math.PI * 2;
    const normals = this.buffer.getAttribute("normal").array;
    for (let i = 0, l = this.buffer.groups.length; i < l; ++i) {
      const face = this.buffer.groups[i];
      if (face.materialIndex == 0)
        continue;
      let startVertex = i * 9;
      const normal = new Vector3(normals[startVertex], normals[startVertex + 1], normals[startVertex + 2]);
      const angle = normal.clone().applyQuaternion(new Quaternion(this.body.quaternion.x, this.body.quaternion.y, this.body.quaternion.z, this.body.quaternion.w)).angleTo(vector);
      if (angle < closest_angle) {
        closest_angle = angle;
        closest_face = face;
      }
    }
    let matindex = closest_face.materialIndex - 1;
    if (this.sides == 10 && matindex == 0)
      matindex = 10;
    return this.data.values?.[matindex] ?? matindex;
  }
  shiftUpperValue(to) {
    let geometry = this.geometry.geometry.clone();
    let from = this.getUpsideValue();
    for (let i = 0, l = geometry.groups.length; i < l; ++i) {
      let materialIndex = geometry.groups[i].materialIndex;
      if (materialIndex === 0)
        continue;
      materialIndex += to - from - 1;
      while (materialIndex > this.sides)
        materialIndex -= this.sides;
      while (materialIndex < 1)
        materialIndex += this.sides;
      geometry.groups[i].materialIndex = materialIndex + 1;
    }
    this.updateMaterialsForValue(to - from);
    this.geometry.geometry = geometry;
  }
  resetBody() {
    this.body.vlambda = new Vec3();
    this.body.position = new Vec3();
    this.body.previousPosition = new Vec3();
    this.body.initPosition = new Vec3();
    this.body.velocity = new Vec3();
    this.body.initVelocity = new Vec3();
    this.body.force = new Vec3();
    this.body.torque = new Vec3();
    this.body.quaternion = new Quaternion2();
    this.body.initQuaternion = new Quaternion2();
    this.body.angularVelocity = new Vec3();
    this.body.initAngularVelocity = new Vec3();
    this.body.interpolatedPosition = new Vec3();
    this.body.interpolatedQuaternion = new Quaternion2();
    this.body.inertia = new Vec3();
    this.body.invInertia = new Vec3();
    this.body.invInertiaWorld = new Mat3();
    this.body.invInertiaSolve = new Vec3();
    this.body.invInertiaWorldSolve = new Mat3();
    this.body.wlambda = new Vec3();
    this.body.updateMassProperties();
  }
  updateMaterialsForValue(value) {
  }
  set() {
    this.geometry.position.set(this.body.position.x, this.body.position.y, this.body.position.z);
    this.geometry.quaternion.set(this.body.quaternion.x, this.body.quaternion.y, this.body.quaternion.z, this.body.quaternion.w);
  }
  create() {
    this.body.position.set(this.vector.pos.x, this.vector.pos.y, this.vector.pos.z);
    this.body.quaternion.setFromAxisAngle(new Vec3(this.vector.axis.x, this.vector.axis.y, this.vector.axis.z), this.vector.axis.w * Math.PI * 2);
    this.body.angularVelocity.set(this.vector.angular.x, this.vector.angular.y, this.vector.angular.z);
    this.body.velocity.set(this.vector.velocity.x, this.vector.velocity.y, this.vector.velocity.z);
    this.body.linearDamping = 0.1;
    this.body.angularDamping = 0.1;
  }
};
var DiceFactory = class extends import_obsidian7.Component {
  constructor(width, height, plugin) {
    super();
    this.width = width;
    this.height = height;
    this.plugin = plugin;
    this.d100 = new D100DiceShape(this.width, this.height, this.colors);
    this.d20 = new D20DiceShape(this.width, this.height, this.colors);
    this.d12 = new D12DiceShape(this.width, this.height, this.colors);
    this.d10 = new D10DiceShape(this.width, this.height, this.colors);
    this.d8 = new D8DiceShape(this.width, this.height, this.colors);
    this.d6 = new D6DiceShape(this.width, this.height, this.colors);
    this.d4 = new D4DiceShape(this.width, this.height, this.colors);
    this.fudge = new FudgeDiceShape(this.width, this.height, this.colors);
  }
  get colors() {
    return {
      diceColor: this.plugin.data.diceColor,
      textColor: this.plugin.data.textColor
    };
  }
  updateColors() {
    this.dispose();
    this.d100 = new D100DiceShape(this.width, this.height, this.colors);
    this.d20 = new D20DiceShape(this.width, this.height, this.colors);
    this.d12 = new D12DiceShape(this.width, this.height, this.colors);
    this.d10 = new D10DiceShape(this.width, this.height, this.colors);
    this.d8 = new D8DiceShape(this.width, this.height, this.colors);
    this.d6 = new D6DiceShape(this.width, this.height, this.colors);
    this.d4 = new D4DiceShape(this.width, this.height, this.colors);
    this.fudge = new FudgeDiceShape(this.width, this.height, this.colors);
  }
  onunload() {
    this.dispose();
  }
  disposeChildren(...children) {
    children.forEach((child) => {
      if ("dispose" in child)
        child.dispose();
      if (child.children)
        this.disposeChildren(...child.children);
    });
  }
  dispose() {
    this.disposeChildren(this.d100.geometry.children);
    this.disposeChildren(this.d20.geometry.children);
    this.disposeChildren(this.d12.geometry.children);
    this.disposeChildren(this.d10.geometry.children);
    this.disposeChildren(this.d8.geometry.children);
    this.disposeChildren(this.d6.geometry.children);
    this.disposeChildren(this.d4.geometry.children);
  }
  getDice(stack, vector) {
    const map = /* @__PURE__ */ new Map();
    for (const roller of stack.dynamic) {
      const dice = [];
      switch (roller.faces.max) {
        case 4: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D4Dice(this.width, this.height, this.d4.clone(), vector)));
          break;
        }
        case 1:
        case 6: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D6Dice(this.width, this.height, roller.fudge ? this.fudge.clone() : this.d6.clone(), vector)));
          break;
        }
        case 8: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D8Dice(this.width, this.height, this.d8.clone(), vector)));
          break;
        }
        case 10: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D10Dice(this.width, this.height, this.d10.clone(), vector)));
          break;
        }
        case 12: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D12Dice(this.width, this.height, this.d12.clone(), vector)));
          break;
        }
        case 20: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => new D20Dice(this.width, this.height, this.d20.clone(), vector)));
          break;
        }
        case 100: {
          dice.push(...new Array(roller.rolls).fill(0).map((r) => [
            new D10Dice(this.width, this.height, this.d100.clone(), vector, true),
            new D10Dice(this.width, this.height, this.d10.clone(), vector, true)
          ]).flat());
          break;
        }
      }
      if (dice.length)
        map.set(roller, dice);
    }
    return map;
  }
};
var D20Dice = class extends Dice {
  constructor(w2, h, data, vector) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.sides = 20;
    this.inertia = 6;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};
var D12Dice = class extends Dice {
  constructor(w2, h, data, vector) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.sides = 12;
    this.inertia = 8;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};
var D10Dice = class extends Dice {
  constructor(w2, h, data, vector, isPercentile = false) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.isPercentile = isPercentile;
    this.sides = 10;
    this.inertia = 9;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};
var D8Dice = class extends Dice {
  constructor(w2, h, data, vector) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.sides = 8;
    this.inertia = 10;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};
var D6Dice = class extends Dice {
  constructor(w2, h, data, vector) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.sides = 6;
    this.inertia = 13;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};
var D4Dice = class extends Dice {
  constructor(w2, h, data, vector) {
    super(w2, h, data);
    this.w = w2;
    this.h = h;
    this.data = data;
    this.sides = 4;
    this.inertia = 5;
    if (vector) {
      this.vector = this.generateVector(vector);
    }
    this.create();
  }
};

// src/main.ts
String.prototype.matchAll = String.prototype.matchAll || function* matchAll(regexp) {
  const flags = regexp.global ? regexp.flags : regexp.flags + "g";
  const re = new RegExp(regexp, flags);
  let match;
  while (match = re.exec(this)) {
    yield match;
  }
};
var DEFAULT_SETTINGS = {
  returnAllTags: true,
  rollLinksForTags: false,
  copyContentButton: true,
  customFormulas: [],
  displayFormulaForMod: true,
  displayResultsInline: false,
  displayLookupRoll: true,
  formulas: {},
  persistResults: false,
  results: {},
  defaultRoll: 1,
  defaultFace: 100,
  renderer: false,
  diceColor: "#202020",
  textColor: "#ffffff",
  showLeafOnStartup: true,
  showDice: true
};
var DiceRollerPlugin = class extends import_obsidian8.Plugin {
  constructor() {
    super(...arguments);
    this.persistingFiles = /* @__PURE__ */ new Set();
    this.fileMap = /* @__PURE__ */ new Map();
    this.inline = /* @__PURE__ */ new Map();
    this.operators = {
      "+": (a2, b2) => a2 + b2,
      "-": (a2, b2) => a2 - b2,
      "*": (a2, b2) => a2 * b2,
      "/": (a2, b2) => a2 / b2,
      "^": (a2, b2) => {
        return Math.pow(a2, b2);
      }
    };
  }
  get canUseDataview() {
    return this.app.plugins.getPlugin("dataview") != null;
  }
  get dataview() {
    return this.app.plugins.getPlugin("dataview");
  }
  async dataviewReady() {
    return new Promise((resolve2) => {
      if (!this.canUseDataview)
        resolve2(false);
      if (this.dataview.api) {
        resolve2(true);
      }
      this.registerEvent(this.app.metadataCache.on("dataview:api-ready", () => {
        resolve2(true);
      }));
    });
  }
  get view() {
    const leaves = this.app.workspace.getLeavesOfType(VIEW_TYPE);
    const leaf = leaves.length ? leaves[0] : null;
    if (leaf && leaf.view && leaf.view instanceof DiceView)
      return leaf.view;
  }
  async addDiceView(startup = false) {
    if (startup && !this.data.showLeafOnStartup)
      return;
    if (this.app.workspace.getLeavesOfType(VIEW_TYPE).length) {
      return;
    }
    await this.app.workspace.getRightLeaf(false).setViewState({
      type: VIEW_TYPE
    });
  }
  async registerDataviewInlineFields() {
    if (!this.canUseDataview)
      return;
    await this.dataviewReady();
    const pages = this.dataview.index.pages;
    pages.forEach(({ fields }) => {
      for (const [key, value] of fields) {
        if (typeof value !== "number" || Number.isNaN(value) || value == void 0)
          continue;
        this.inline.set(key, value);
      }
    });
    this.registerEvent(this.app.metadataCache.on("dataview:metadata-change", (type, file) => {
      if (type === "update") {
        const page = this.dataview.api.page(file.path);
        if (!page)
          return;
        for (let key in page) {
          let value = page[key];
          if (typeof value !== "number" || Number.isNaN(value) || value == void 0)
            continue;
          this.inline.set(key, value);
        }
      }
    }));
  }
  async renderRoll(roller) {
    this.addChild(this.renderer);
    this.renderer.setDice(roller);
    await this.renderer.start();
    roller.recalculate();
  }
  async onload() {
    console.log("DiceRoller plugin loaded");
    this.data = Object.assign(DEFAULT_SETTINGS, await this.loadData());
    this.renderer = new DiceRenderer(this);
    this.addSettingTab(new SettingTab(this.app, this));
    this.registerView(VIEW_TYPE, (leaf) => new DiceView(this, leaf));
    this.app.workspace.onLayoutReady(() => this.addDiceView(true));
    this.registerEvent(this.app.workspace.on("dice-roller:update-colors", () => {
      this.renderer.factory.updateColors();
    }));
    this.registerEvent(this.app.workspace.on("dice-roller:render-dice", async (roll) => {
      const roller = await this.getRoller(roll, "external");
      if (!(roller instanceof StackRoller)) {
        new import_obsidian8.Notice("The Dice View only supports dice rolls.");
        return;
      }
      await roller.roll();
      if (!roller.dice.length) {
        new import_obsidian8.Notice("Invalid formula.");
        return;
      }
      try {
        this.renderRoll(roller);
      } catch (e) {
        new import_obsidian8.Notice("There was an error rendering the roll.");
        console.error(e);
      }
      this.app.workspace.trigger("dice-roller:rendered-result", roller.result);
    }));
    this.addCommand({
      id: "open-view",
      name: "Open Dice View",
      checkCallback: (checking) => {
        if (!this.view) {
          if (!checking) {
            this.addDiceView();
          }
          return true;
        }
      }
    });
    this.addCommand({
      id: "reroll",
      name: "Re-roll Dice",
      checkCallback: (checking) => {
        const view = this.app.workspace.getActiveViewOfType(import_obsidian8.MarkdownView);
        if (view && view.getMode() === "preview" && this.fileMap.has(view.file)) {
          if (!checking) {
            const dice = this.fileMap.get(view.file);
            dice.forEach((roller) => {
              roller.roll();
            });
          }
          return true;
        }
      }
    });
    const ICON_SVG = icon(faDice).html[0];
    (0, import_obsidian8.addIcon)(ICON_DEFINITION, ICON_SVG);
    const COPY_SVG = icon(faCopy).html[0];
    (0, import_obsidian8.addIcon)(COPY_DEFINITION, COPY_SVG);
    this.registerMarkdownPostProcessor(async (el, ctx) => {
      let nodeList = el.querySelectorAll("code");
      if (!nodeList.length)
        return;
      const path = ctx.sourcePath;
      const info = ctx.getSectionInfo(el);
      const lineStart = ctx.getSectionInfo(el)?.lineStart;
      const file = this.app.vault.getAbstractFileByPath(ctx.sourcePath);
      if (!file || !(file instanceof import_obsidian8.TFile))
        return;
      const toPersist = {};
      for (let index = 0; index < nodeList.length; index++) {
        const node = nodeList.item(index);
        if (/^dice\-mod:\s*([\s\S]+)\s*?/.test(node.innerText) && info) {
          try {
            let [full, content] = node.innerText.match(/^dice\-mod:\s*([\s\S]+)\s*?/);
            let showFormula = this.data.displayFormulaForMod;
            if (content.includes("|noform")) {
              showFormula = false;
            }
            content = content.replace("|noform", "");
            const roller = this.getRoller(content, ctx.sourcePath);
            roller.on("new-result", async () => {
              const fileContent = (await this.app.vault.cachedRead(file)).split("\n");
              let splitContent = fileContent.slice(info.lineStart, info.lineEnd + 1);
              const replacer = roller.replacer;
              if (!replacer) {
                new import_obsidian8.Notice("Dice Roller: There was an issue modifying the file.");
                return;
              }
              const rep = showFormula ? `${roller.inlineText} **${replacer}**` : `${replacer}`;
              splitContent = splitContent.join("\n").replace(`\`${full}\``, rep).split("\n");
              fileContent.splice(info.lineStart, info.lineEnd - info.lineStart + 1, ...splitContent);
              await this.app.vault.modify(file, fileContent.join("\n"));
            });
            await roller.roll();
            continue;
          } catch (e) {
            console.error(e);
          }
        }
        if (!/^dice(?:\+|\-|\-mod)?:\s*([\s\S]+)\s*?/.test(node.innerText))
          continue;
        try {
          let [, content] = node.innerText.match(/^dice(?:\+|\-|\-mod)?:\s*([\s\S]+)\s*?/);
          const roller = this.getRoller(content, ctx.sourcePath);
          const load = async () => {
            await roller.roll();
            if (this.data.persistResults && !/dice\-/.test(node.innerText) || /dice\+/.test(node.innerText)) {
              this.persistingFiles.add(ctx.sourcePath);
              toPersist[index] = roller;
              roller.save = true;
              const result = this.data.results?.[path]?.[lineStart]?.[index] ?? null;
              if (result) {
                await roller.applyResult(result);
              }
            }
            node.replaceWith(roller.containerEl);
          };
          if (roller.loaded) {
            await load();
          } else {
            roller.on("loaded", async () => {
              await load();
            });
          }
          if (!this.fileMap.has(file)) {
            this.fileMap.set(file, []);
          }
          this.fileMap.set(file, [
            ...this.fileMap.get(file),
            roller
          ]);
          const view = this.app.workspace.getActiveViewOfType(import_obsidian8.MarkdownView);
          if (view && this.fileMap.has(file) && this.fileMap.get(file).length === 1) {
            const self = this;
            let unregisterOnUnloadFile = around(view, {
              onUnloadFile: function(next) {
                return async function(unloaded) {
                  if (unloaded == file) {
                    self.fileMap.delete(file);
                    unregisterOnUnloadFile();
                  }
                  return await next.call(this, unloaded);
                };
              }
            });
            view.register(unregisterOnUnloadFile);
            view.register(() => this.fileMap.delete(file));
          }
        } catch (e) {
          console.error(e);
          new import_obsidian8.Notice(`There was an error parsing the dice string: ${node.innerText}.

${e}`, 5e3);
          continue;
        }
      }
      if (path in this.data.results) {
        this.data.results[path][lineStart] = {};
      }
      if (Object.entries(toPersist).length) {
        const view = this.app.workspace.getActiveViewOfType(import_obsidian8.MarkdownView);
        if (view) {
          const self = this;
          let unregisterOnUnloadFile = around(view, {
            onUnloadFile: function(next) {
              return async function(unloaded) {
                if (unloaded = file) {
                  if (self.persistingFiles.has(path)) {
                    self.persistingFiles.delete(path);
                    self.data.results[path] = {};
                  }
                  for (let index in toPersist) {
                    const roller = toPersist[index];
                    const newLineStart = ctx.getSectionInfo(el)?.lineStart;
                    if (newLineStart == null)
                      continue;
                    const result = {
                      [newLineStart]: {
                        ...self.data.results[path]?.[newLineStart] ?? {},
                        [index]: roller.toResult()
                      }
                    };
                    self.data.results[path] = {
                      ...self.data.results[path] ?? {},
                      ...result
                    };
                    await self.saveSettings();
                  }
                }
                unregisterOnUnloadFile();
                return await next.call(this, unloaded);
              };
            }
          });
          view.register(unregisterOnUnloadFile);
          view.register(async () => {
            if (this.persistingFiles.has(path)) {
              this.persistingFiles.delete(path);
              this.data.results[path] = {};
            }
            for (let index in toPersist) {
              const roller = toPersist[index];
              const newLineStart = ctx.getSectionInfo(el)?.lineStart;
              if (newLineStart == null)
                continue;
              const result = {
                [newLineStart]: {
                  ...this.data.results[path]?.[newLineStart] ?? {},
                  [index]: roller.toResult()
                }
              };
              this.data.results[path] = {
                ...this.data.results[path] ?? {},
                ...result
              };
              await this.saveSettings();
            }
          });
        }
      }
    });
    this.lexer = new import_lex.default();
    this.addLexerRules();
    var exponent = {
      precedence: 3,
      associativity: "right"
    };
    var factor = {
      precedence: 2,
      associativity: "left"
    };
    var term = {
      precedence: 1,
      associativity: "left"
    };
    this.parser = new Parser({
      "+": term,
      "-": term,
      "*": factor,
      "/": factor,
      "^": exponent
    });
    this.app.workspace.onLayoutReady(async () => {
      await this.registerDataviewInlineFields();
    });
  }
  async parseDice(content, source) {
    const roller = this.getRoller(content, source);
    return { result: await roller.roll(), roller };
  }
  clearEmpties(o) {
    for (var k in o) {
      if (!o[k] || typeof o[k] !== "object") {
        continue;
      }
      this.clearEmpties(o[k]);
      if (Object.keys(o[k]).length === 0) {
        delete o[k];
      }
    }
  }
  async saveSettings() {
    this.clearEmpties(this.data.results);
    await this.saveData(this.data);
  }
  get dataview_regex() {
    const fields = Array.from(this.inline.keys());
    if (!fields.length)
      return null;
    return new RegExp(`(${fields.join("|")})`, "g");
  }
  getRoller(content, source, icon2 = this.data.showDice) {
    let showDice = content.includes("|nodice") ? false : icon2;
    content = (0, import_he.decode)(content.replace("|nodice", "").replace("\\|", "|"));
    if (content in this.data.formulas) {
      content = this.data.formulas[content];
    }
    const lexemes = this.parse(content);
    const type = this.getTypeFromLexemes(lexemes);
    switch (type) {
      case "dice": {
        return new StackRoller(this, content, lexemes, showDice);
      }
      case "table": {
        return new TableRoller(this, content, lexemes[0], source, showDice);
      }
      case "section": {
        return new SectionRoller(this, content, lexemes[0], source, showDice);
      }
      case "tag": {
        if (!this.canUseDataview) {
          throw new Error("Tags are only supported with the Dataview plugin installed.");
        }
        return new TagRoller(this, content, lexemes[0], source, showDice);
      }
      case "link": {
        return new LinkRoller(this, content, lexemes[0], source, showDice);
      }
      case "line": {
        return new LineRoller(this, content, lexemes[0], source, showDice);
      }
    }
  }
  getTypeFromLexemes(lexemes) {
    if (lexemes.some(({ type }) => type === "table")) {
      return "table";
    }
    if (lexemes.some(({ type }) => type === "section")) {
      return "section";
    }
    if (lexemes.some(({ type }) => type === "tag")) {
      return "tag";
    }
    if (lexemes.some(({ type }) => type === "link")) {
      return "link";
    }
    if (lexemes.some(({ type }) => type === "line")) {
      return "line";
    }
    return "dice";
  }
  addLexerRules() {
    this.lexer.addRule(/\s+/, function() {
    });
    this.lexer.addRule(/[{}]+/, function() {
    });
    this.lexer.addRule(TABLE_REGEX, function(lexeme) {
      return {
        type: "table",
        data: lexeme,
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(SECTION_REGEX, function(lexeme) {
      const { groups } = lexeme.match(SECTION_REGEX);
      let type = "section";
      if (groups.types === "line") {
        type = "line";
      }
      return {
        type,
        data: lexeme,
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(TAG_REGEX, (lexeme) => {
      const { groups } = lexeme.match(TAG_REGEX);
      let type = "tag";
      if (groups.types === "link" || this.data.rollLinksForTags && !groups.types?.length) {
        type = "link";
      }
      return {
        type,
        data: lexeme,
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(OMITTED_REGEX, (lexeme) => {
      const {
        roll = this.data.defaultRoll,
        faces = this.data.defaultFace,
        conditional
      } = lexeme.match(OMITTED_REGEX).groups;
      let conditionals = [];
      if (conditional) {
        let matches = conditional.matchAll(CONDITIONAL_REGEX);
        if (matches) {
          for (let match of matches) {
            if (!match)
              continue;
            const { comparer, operator } = match.groups;
            conditionals.push({
              comparer: Number(comparer),
              operator
            });
          }
        }
      }
      return {
        type: "dice",
        data: `${roll}d${faces}`,
        original: lexeme,
        conditionals
      };
    });
    this.lexer.addRule(/\d+/, function(lexeme) {
      return {
        type: "dice",
        data: lexeme,
        original: lexeme,
        conditionals: []
      };
    });
    this.lexer.addRule(MATH_REGEX, function(lexeme) {
      return {
        type: "math",
        data: lexeme,
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/1[Dd]S/, function(lexeme) {
      const [, dice] = lexeme.match(/1[Dd]S/) ?? [, "1"];
      return {
        type: "stunt",
        data: dice,
        original: lexeme,
        conditionals: []
      };
    });
    this.lexer.addRule(/\d+[Dd]\d+%/, function(lexeme) {
      return {
        type: "%",
        data: lexeme.replace(/^\D+/g, ""),
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/kh?(?!:l)(\d*)/, function(lexeme) {
      return {
        type: "kh",
        data: lexeme.replace(/^\D+/g, ""),
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/dl?(?!:h)\d*/, function(lexeme) {
      return {
        type: "dl",
        data: lexeme.replace(/^\D+/g, ""),
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/kl\d*/, function(lexeme) {
      return {
        type: "kl",
        data: lexeme.replace(/^\D+/g, ""),
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/dh\d*/, function(lexeme) {
      return {
        type: "dh",
        data: lexeme.replace(/^\D+/g, ""),
        original: lexeme,
        conditionals: null
      };
    });
    this.lexer.addRule(/!!(i|\d+)?(?:(!?=|=!|>=?|<=?)(-?\d+))*/, function(lexeme) {
      let [, data = `1`] = lexeme.match(/!!(i|\d+)?(?:(!?=|=!|>=?|<=?)(-?\d+))*/), conditionals = [];
      if (/(?:(!?=|=!|>=?|<=?)(-?\d+))+/.test(lexeme)) {
        for (const [, operator, comparer] of lexeme.matchAll(/(?:(!?=|=!|>=?|<=?)(-?\d+))/g)) {
          conditionals.push({
            operator,
            comparer: Number(comparer)
          });
        }
      }
      if (/!!i/.test(lexeme)) {
        data = `100`;
      }
      return {
        type: "!!",
        data,
        original: lexeme,
        conditionals
      };
    });
    this.lexer.addRule(/!(i|\d+)?(?:(!?=|=!?|>=?|<=?)(-?\d+))*/, function(lexeme) {
      let [, data = `1`] = lexeme.match(/!(i|\d+)?(?:(!?=|=!?|>=?|<=?)(-?\d+))*/), conditionals = [];
      if (/(?:(!?=|=!|>=?|<=?)(\d+))+/.test(lexeme)) {
        for (const [, operator, comparer] of lexeme.matchAll(/(?:(!?=|=!?|>=?|<=?)(-?\d+))/g)) {
          conditionals.push({
            operator,
            comparer: Number(comparer)
          });
        }
      }
      if (/!i/.test(lexeme)) {
        data = `100`;
      }
      return {
        type: "!",
        data,
        original: lexeme,
        conditionals
      };
    });
    this.lexer.addRule(/r(i|\d+)?(?:(!?=|=!|>=?|<=?)(-?\d+))*/, function(lexeme) {
      let [, data = `1`] = lexeme.match(/r(i|\d+)?(?:(!?=|=!|>=?|<=?)(-?\d+))*/), conditionals = [];
      if (/(?:(!?={1,2}|>=?|<=?)(-?\d+))+/.test(lexeme)) {
        for (const [, operator, comparer] of lexeme.matchAll(/(?:(!?=|=!|>=?|<=?)(-?\d+))/g)) {
          conditionals.push({
            operator,
            comparer: Number(comparer)
          });
        }
      }
      if (/ri/.test(lexeme)) {
        data = `100`;
      }
      return {
        type: "r",
        data,
        original: lexeme,
        conditionals
      };
    });
    const self = this;
    this.lexer.addRule(/[A-Za-z][A-Za-z0-9_]+/, function(lexeme) {
      if (self.inline.has(lexeme.trim())) {
        return {
          type: "dice",
          data: `${self.inline.get(lexeme.trim())}`,
          original: lexeme,
          conditionals: []
        };
      }
    });
  }
  onunload() {
    console.log("DiceRoller unloaded");
    this.app.workspace.getLeavesOfType(VIEW_TYPE).forEach((leaf) => leaf.detach());
    if ("__THREE__" in window) {
      delete window.__THREE__;
    }
    this.renderer.unload();
    this.app.workspace.trigger("dice-roller:unload");
  }
  parse(input) {
    this.lexer.setInput(input);
    var tokens = [], token;
    while (token = this.tryLex()) {
      tokens.push(token);
    }
    return this.parser.parse(tokens);
  }
  tryLex() {
    try {
      return this.lexer.lex();
    } catch (e) {
    }
  }
};
/*!
 * Font Awesome Free 5.15.3 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */
/*!
 * Font Awesome Free 5.15.4 by @fontawesome - https://fontawesome.com
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
 */
/*! https://mths.be/he v1.2.0 by @mathias | MIT license */
/**
 * @license
 * Copyright 2010-2021 Three.js Authors
 * SPDX-License-Identifier: MIT
 */