twgl.min.js

/*!
 * @license twgl.js 4.15.2 Copyright (c) 2015, Gregg Tavares All Rights Reserved.
 * Available via the MIT license.
 * see: http://github.com/greggman/twgl.js for details
 */
!function (e, t) {
    "object" == typeof exports && "object" == typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define([], t) : "object" == typeof exports ? exports.twgl = t() : e.twgl = t()
}("undefined" != typeof self ? self : this, (function () {
    return function (e) {
        var t = {};

        function r(n) {
            if (t[n]) return t[n].exports;
            var o = t[n] = {i: n, l: !1, exports: {}};
            return e[n].call(o.exports, o, o.exports, r), o.l = !0, o.exports
        }

        return r.m = e, r.c = t, r.d = function (e, t, n) {
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                value: e
            }), 2 & t && "string" != typeof e) for (var o in e) r.d(n, o, function (t) {
                return e[t]
            }.bind(null, o));
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            };
            return r.d(t, "a", t), t
        }, r.o = function (e, t) {
            return Object.prototype.hasOwnProperty.call(e, t)
        }, r.p = "", r(r.s = 8)
    }([function (e, t, r) {
        "use strict";
        t.__esModule = !0, t.copyExistingProperties = function (e, t) {
            Object.keys(t).forEach((function (r) {
                t.hasOwnProperty(r) && e.hasOwnProperty(r) && (t[r] = e[r])
            }))
        }, t.copyNamedProperties = function (e, t, r) {
            e.forEach((function (e) {
                var n = t[e];
                void 0 !== n && (r[e] = n)
            }))
        }, t.error = function () {
            var e;
            (e = console).error.apply(e, arguments)
        }, t.warn = function () {
            var e;
            (e = console).warn.apply(e, arguments)
        }, t.isBuffer = function (e, t) {
            return "undefined" != typeof WebGLBuffer && t instanceof WebGLBuffer
        }, t.isRenderbuffer = function (e, t) {
            return "undefined" != typeof WebGLRenderbuffer && t instanceof WebGLRenderbuffer
        }, t.isShader = function (e, t) {
            return "undefined" != typeof WebGLShader && t instanceof WebGLShader
        }, t.isTexture = function (e, t) {
            return "undefined" != typeof WebGLTexture && t instanceof WebGLTexture
        }, t.isSampler = function (e, t) {
            return "undefined" != typeof WebGLSampler && t instanceof WebGLSampler
        }
    }, function (e, t, r) {
        "use strict";
        t.__esModule = !0, t.getGLTypeForTypedArray = function (e) {
            if (e instanceof Int8Array) return 5120;
            if (e instanceof Uint8Array) return 5121;
            if (e instanceof Uint8ClampedArray) return 5121;
            if (e instanceof Int16Array) return 5122;
            if (e instanceof Uint16Array) return 5123;
            if (e instanceof Int32Array) return 5124;
            if (e instanceof Uint32Array) return 5125;
            if (e instanceof Float32Array) return 5126;
            throw new Error("unsupported typed array type")
        }, t.getGLTypeForTypedArrayType = function (e) {
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            if (e === Uint8Array) return 5121;
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            if (e === Int32Array) return 5124;
            if (e === Uint32Array) return 5125;
            if (e === Float32Array) return 5126;
            throw new Error("unsupported typed array type")
        }, t.getTypedArrayTypeForGLType = function (e) {
            var t = n[e];
            if (!t) throw new Error("unknown gl type");
            return t
        }, t.isArrayBuffer = void 0;
        var n = {}, o = n;
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            return e && e.buffer && (e.buffer instanceof ArrayBuffer || e.buffer instanceof SharedArrayBuffer)
        } : function (e) {
            return e && e.buffer && e.buffer instanceof ArrayBuffer
        };
        t.isArrayBuffer = u
    }, function (e, t, r) {
        "use strict";
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            t && (o[1] = t);
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            return o
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            return r * r + n * n + o * o
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        }, t.dot = function (e, t) {
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        }, t.lerp = function (e, t, r, o) {
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        }, t.mulScalar = function (e, t, r) {
            return (r = r || new n(3))[0] = e[0] * t, r[1] = e[1] * t, r[2] = e[2] * t, r
        }, t.multiply = function (e, t, r) {
            return (r = r || new n(3))[0] = e[0] * t[0], r[1] = e[1] * t[1], r[2] = e[2] * t[2], r
        }, t.negate = function (e, t) {
            return (t = t || new n(3))[0] = -e[0], t[1] = -e[1], t[2] = -e[2], t
        }, t.normalize = function (e, t) {
            t = t || new n(3);
            var r = e[0] * e[0] + e[1] * e[1] + e[2] * e[2], o = Math.sqrt(r);
            o > 1e-5 ? (t[0] = e[0] / o, t[1] = e[1] / o, t[2] = e[2] / o) : (t[0] = 0, t[1] = 0, t[2] = 0);
            return t
        }, t.setDefaultType = function (e) {
            var t = n;
            return n = e, t
        }, t.subtract = function (e, t, r) {
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        };
        var n = Float32Array
    }, function (e, t, r) {
        "use strict";
        t.__esModule = !0, t.isWebGL1 = function (e) {
            return !e.texStorage2D
        }, t.isWebGL2 = function (e) {
            return !!e.texStorage2D
        }, t.glEnumToString = void 0;
        var n, o, u = (n = {}, o = {}, function (e, t) {
            return function (e) {
                var t = e.constructor.name;
                if (!n[t]) {
                    for (var r in e) if ("number" == typeof e[r]) {
                        var u = o[e[r]];
                        o[e[r]] = u ? "".concat(u, " | ").concat(r) : r
                    }
                    n[t] = !0
                }
            }(e), o[t] || "0x" + t.toString(16)
        });
        t.glEnumToString = u
    }, function (e, t, r) {
        "use strict";

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                return typeof e
            } : function (e) {
                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0, t.createAttributeSetters = N, t.createProgram = T, t.createProgramFromScripts = function (e, t, r, n, o) {
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                var f = g(e, t[a], e[S[a]], u.errorCallback);
                if (!f) return null;
                i.push(f)
            }
            return T(e, i, u)
        }, t.createProgramFromSources = z, t.createProgramInfo = function (e, t, r, n, o) {
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            if (t = t.map((function (e) {
                if (e.indexOf("\n") < 0) {
                    var t = l(e);
                    t ? e = t.text : (u.errorCallback("no element with id: " + e), i = !1)
                }
                return e
            })), !i) return null;
            var a = z(e, t, u);
            if (!a) return null;
            return q(e, a)
        }, t.createProgramInfoFromProgram = q, t.createUniformSetters = C, t.createUniformBlockSpecFromProgram = I, t.createUniformBlockInfoFromProgram = L, t.createUniformBlockInfo = function (e, t, r) {
            return L(e, t.program, t.uniformBlockSpec, r)
        }, t.createTransformFeedback = function (e, t, r) {
            var n = e.createTransformFeedback();
            return e.bindTransformFeedback(36386, n), e.useProgram(t.program), W(e, t, r), e.bindTransformFeedback(36386, null), n
        }, t.createTransformFeedbackInfo = k, t.bindTransformFeedbackInfo = W, t.setAttributes = H, t.setBuffersAndAttributes = function (e, t, r) {
            r.vertexArrayObject ? e.bindVertexArray(r.vertexArrayObject) : (H(t.attribSetters || t, r.attribs), r.indices && e.bindBuffer(34963, r.indices))
        }, t.setUniforms = X, t.setUniformBlock = function (e, t, r) {
            G(e, t, r) && e.bufferData(35345, r.array, 35048)
        }, t.setBlockUniforms = function (e, t) {
            var r = e.uniforms;
            for (var n in t) {
                var o = r[n];
                if (o) {
                    var u = t[n];
                    u.length ? o.set(u) : o[0] = u
                }
            }
        }, t.bindUniformBlock = G, t.setUniformsAndBindTextures = void 0;
        var o = a(r(3)), u = a(r(0));

        function i() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return i = function () {
                return e
            }, e
        }

        function a(e) {
            if (e && e.__esModule) return e;
            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
            var t = i();
            if (t && t.has(e)) return t.get(e);
            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var a = o ? Object.getOwnPropertyDescriptor(e, u) : null;
                a && (a.get || a.set) ? Object.defineProperty(r, u, a) : r[u] = e[u]
            }
            return r.default = e, t && t.set(e, r), r
        }

        var f = u.error, c = u.warn;

        function l(e) {
            return "undefined" != typeof document && document.getElementById ? document.getElementById(e) : null
        }

        var s = {};

        function y(e, t) {
            return s[t].bindPoint
        }

        function v(e, t) {
            return function (r) {
                e.uniform1i(t, r)
            }
        }

        function b(e, t) {
            return function (r) {
                e.uniform1iv(t, r)
            }
        }

        function m(e, t) {
            return function (r) {
                e.uniform2iv(t, r)
            }
        }

        function p(e, t) {
            return function (r) {
                e.uniform3iv(t, r)
            }
        }

        function d(e, t) {
            return function (r) {
                e.uniform4iv(t, r)
            }
        }

        function x(e, t, r, n) {
            var i = y(0, t);
            return o.isWebGL2(e) ? function (t) {
                var o, a;
                u.isTexture(e, t) ? (o = t, a = null) : (o = t.texture, a = t.sampler), e.uniform1i(n, r), e.activeTexture(33984 + r), e.bindTexture(i, o), e.bindSampler(r, a)
            } : function (t) {
                e.uniform1i(n, r), e.activeTexture(33984 + r), e.bindTexture(i, t)
            }
        }

        function w(e, t, r, n, i) {
            for (var a = y(0, t), f = new Int32Array(i), c = 0; c < i; ++c) f[c] = r + c;
            return o.isWebGL2(e) ? function (t) {
                e.uniform1iv(n, f), t.forEach((function (t, n) {
                    var o, i;
                    e.activeTexture(33984 + f[n]), u.isTexture(e, t) ? (o = t, i = null) : (o = t.texture, i = t.sampler), e.bindSampler(r, i), e.bindTexture(a, o)
                }))
            } : function (t) {
                e.uniform1iv(n, f), t.forEach((function (t, r) {
                    e.activeTexture(33984 + f[r]), e.bindTexture(a, t)
                }))
            }
        }

        function h(e, t) {
            return function (r) {
                if (r.value) switch (e.disableVertexAttribArray(t), r.value.length) {
                    case 4:
                        e.vertexAttrib4fv(t, r.value);
                        break;
                    case 3:
                        e.vertexAttrib3fv(t, r.value);
                        break;
                    case 2:
                        e.vertexAttrib2fv(t, r.value);
                        break;
                    case 1:
                        e.vertexAttrib1fv(t, r.value);
                        break;
                    default:
                        throw new Error("the length of a float constant value must be between 1 and 4!")
                } else e.bindBuffer(34962, r.buffer), e.enableVertexAttribArray(t), e.vertexAttribPointer(t, r.numComponents || r.size, r.type || 5126, r.normalize || !1, r.stride || 0, r.offset || 0), void 0 !== r.divisor && e.vertexAttribDivisor(t, r.divisor)
            }
        }

        function F(e, t) {
            return function (r) {
                if (r.value) {
                    if (e.disableVertexAttribArray(t), 4 !== r.value.length) throw new Error("The length of an integer constant value must be 4!");
                    e.vertexAttrib4iv(t, r.value)
                } else e.bindBuffer(34962, r.buffer), e.enableVertexAttribArray(t), e.vertexAttribIPointer(t, r.numComponents || r.size, r.type || 5124, r.stride || 0, r.offset || 0), void 0 !== r.divisor && e.vertexAttribDivisor(t, r.divisor)
            }
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            }
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            }
        }

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            Type: Float32Array, size: 4, setter: function (e, t) {
                return function (r) {
                    e.uniform1f(t, r)
                }
            }, arraySetter: function (e, t) {
                return function (r) {
                    e.uniform1fv(t, r)
                }
            }
        }, s[35664] = {
            Type: Float32Array, size: 8, setter: function (e, t) {
                return function (r) {
                    e.uniform2fv(t, r)
                }
            }
        }, s[35665] = {
            Type: Float32Array, size: 12, setter: function (e, t) {
                return function (r) {
                    e.uniform3fv(t, r)
                }
            }
        }, s[35666] = {
            Type: Float32Array, size: 16, setter: function (e, t) {
                return function (r) {
                    e.uniform4fv(t, r)
                }
            }
        }, s[5124] = {Type: Int32Array, size: 4, setter: v, arraySetter: b}, s[35667] = {
            Type: Int32Array,
            size: 8,
            setter: m
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            Type: Int32Array,
            size: 16,
            setter: d
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            Type: Uint32Array, size: 4, setter: function (e, t) {
                return function (r) {
                    e.uniform1ui(t, r)
                }
            }, arraySetter: function (e, t) {
                return function (r) {
                    e.uniform1uiv(t, r)
                }
            }
        }, s[36294] = {
            Type: Uint32Array, size: 8, setter: function (e, t) {
                return function (r) {
                    e.uniform2uiv(t, r)
                }
            }
        }, s[36295] = {
            Type: Uint32Array, size: 12, setter: function (e, t) {
                return function (r) {
                    e.uniform3uiv(t, r)
                }
            }
        }, s[36296] = {
            Type: Uint32Array, size: 16, setter: function (e, t) {
                return function (r) {
                    e.uniform4uiv(t, r)
                }
            }
        }, s[35670] = {Type: Uint32Array, size: 4, setter: v, arraySetter: b}, s[35671] = {
            Type: Uint32Array,
            size: 8,
            setter: m
        }, s[35672] = {Type: Uint32Array, size: 12, setter: p}, s[35673] = {
            Type: Uint32Array,
            size: 16,
            setter: d
        }, s[35674] = {
            Type: Float32Array, size: 16, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix2fv(t, !1, r)
                }
            }
        }, s[35675] = {
            Type: Float32Array, size: 36, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix3fv(t, !1, r)
                }
            }
        }, s[35676] = {
            Type: Float32Array, size: 64, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix4fv(t, !1, r)
                }
            }
        }, s[35685] = {
            Type: Float32Array, size: 24, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix2x3fv(t, !1, r)
                }
            }
        }, s[35686] = {
            Type: Float32Array, size: 32, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix2x4fv(t, !1, r)
                }
            }
        }, s[35687] = {
            Type: Float32Array, size: 24, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix3x2fv(t, !1, r)
                }
            }
        }, s[35688] = {
            Type: Float32Array, size: 48, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix3x4fv(t, !1, r)
                }
            }
        }, s[35689] = {
            Type: Float32Array, size: 32, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix4x2fv(t, !1, r)
                }
            }
        }, s[35690] = {
            Type: Float32Array, size: 48, setter: function (e, t) {
                return function (r) {
                    e.uniformMatrix4x3fv(t, !1, r)
                }
            }
        }, s[35678] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 3553}, s[35680] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 34067
        }, s[35679] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 32879}, s[35682] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 3553
        }, s[36289] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 35866}, s[36292] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 35866
        }, s[36293] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 34067}, s[36298] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 3553
        }, s[36299] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 32879}, s[36300] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 34067
        }, s[36303] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 35866}, s[36306] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 3553
        }, s[36307] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 32879}, s[36308] = {
            Type: null,
            size: 0,
            setter: x,
            arraySetter: w,
            bindPoint: 34067
        }, s[36311] = {Type: null, size: 0, setter: x, arraySetter: w, bindPoint: 35866};
        var j = {};
        j[5126] = {size: 4, setter: h}, j[35664] = {size: 8, setter: h}, j[35665] = {
            size: 12,
            setter: h
        }, j[35666] = {size: 16, setter: h}, j[5124] = {size: 4, setter: F}, j[35667] = {
            size: 8,
            setter: F
        }, j[35668] = {size: 12, setter: F}, j[35669] = {size: 16, setter: F}, j[5125] = {
            size: 4,
            setter: E
        }, j[36294] = {size: 8, setter: E}, j[36295] = {size: 12, setter: E}, j[36296] = {
            size: 16,
            setter: E
        }, j[35670] = {size: 4, setter: F}, j[35671] = {size: 8, setter: F}, j[35672] = {
            size: 12,
            setter: F
        }, j[35673] = {size: 16, setter: F}, j[35674] = {size: 4, setter: A, count: 2}, j[35675] = {
            size: 9,
            setter: A,
            count: 3
        }, j[35676] = {size: 16, setter: A, count: 4};
        var O = /^[ \t]*\n/;

        function _(e, t, r, n) {
            var o = n || f, u = e.createShader(r), i = 0;
            if (O.test(t) && (i = 1, t = t.replace(O, "")), e.shaderSource(u, t), e.compileShader(u), !e.getShaderParameter(u, 35713)) {
                var a = e.getShaderInfoLog(u);
                return o(function (e, t) {
                    return t = t || 0, ++t, e.split("\n").map((function (e, r) {
                        return r + t + ": " + e
                    })).join("\n")
                }(t, i) + "\n*** Error compiling shader: " + a), e.deleteShader(u), null
            }
            return u
        }

        function M(e, t, r) {
            var n, o;
            if ("function" == typeof t && (r = t, t = void 0), "function" == typeof e) r = e, e = void 0; else if (e && !Array.isArray(e)) {
                if (e.errorCallback) return e;
                var u = e;
                r = u.errorCallback, e = u.attribLocations, n = u.transformFeedbackVaryings, o = u.transformFeedbackMode
            }
            var i = {errorCallback: r || f, transformFeedbackVaryings: n, transformFeedbackMode: o};
            if (e) {
                var a = {};
                Array.isArray(e) ? e.forEach((function (e, r) {
                    a[e] = t ? t[r] : r
                })) : a = e, i.attribLocations = a
            }
            return i
        }

        var S = ["VERTEX_SHADER", "FRAGMENT_SHADER"];

        function P(e, t) {
            return t.indexOf("frag") >= 0 ? 35632 : t.indexOf("vert") >= 0 ? 35633 : void 0
        }

        function R(e, t) {
            t.forEach((function (t) {
                e.deleteShader(t)
            }))
        }

        function T(e, t, r, n, o) {
            for (var i = M(r, n, o), a = [], f = [], c = 0; c < t.length; ++c) {
                var s = t[c];
                if ("string" == typeof s) {
                    var y = l(s), v = y ? y.text : s, b = e[S[c]];
                    y && y.type && (b = P(0, y.type) || b), s = _(e, v, b, i.errorCallback), f.push(s)
                }
                u.isShader(e, s) && a.push(s)
            }
            if (a.length !== t.length) return i.errorCallback("not enough shaders for program"), R(e, f), null;
            var m = e.createProgram();
            a.forEach((function (t) {
                e.attachShader(m, t)
            })), i.attribLocations && Object.keys(i.attribLocations).forEach((function (t) {
                e.bindAttribLocation(m, i.attribLocations[t], t)
            }));
            var p = i.transformFeedbackVaryings;
            if (p && (p.attribs && (p = p.attribs), Array.isArray(p) || (p = Object.keys(p)), e.transformFeedbackVaryings(m, p, i.transformFeedbackMode || 35981)), e.linkProgram(m), !e.getProgramParameter(m, 35714)) {
                var d = e.getProgramInfoLog(m);
                return i.errorCallback("Error in program linking:" + d), e.deleteProgram(m), R(e, f), null
            }
            return m
        }

        function g(e, t, r, n) {
            var o, u = l(t);
            if (!u) throw new Error("unknown script element: ".concat(t));
            o = u.text;
            var i = r || P(0, u.type);
            if (!i) throw new Error("unknown shader type");
            return _(e, o, i, n)
        }

        function z(e, t, r, n, o) {
            for (var u = M(r, n, o), i = [], a = 0; a < t.length; ++a) {
                var f = _(e, t[a], e[S[a]], u.errorCallback);
                if (!f) return null;
                i.push(f)
            }
            return T(e, i, u)
        }

        function U(e) {
            var t = e.name;
            return t.startsWith("gl_") || t.startsWith("webgl_")
        }

        function C(e, t) {
            var r = 0;

            function n(t, n, o) {
                var u, i = n.size > 1 && "[0]" === n.name.substr(-3), a = n.type, f = s[a];
                if (!f) throw new Error("unknown type: 0x".concat(a.toString(16)));
                if (f.bindPoint) {
                    var c = r;
                    r += n.size, u = i ? f.arraySetter(e, a, c, o, n.size) : f.setter(e, a, c, o, n.size)
                } else u = f.arraySetter && i ? f.arraySetter(e, o) : f.setter(e, o);
                return u.location = o, u
            }

            for (var o = {}, u = e.getProgramParameter(t, 35718), i = 0; i < u; ++i) {
                var a = e.getActiveUniform(t, i);
                if (!U(a)) {
                    var f = a.name;
                    "[0]" === f.substr(-3) && (f = f.substr(0, f.length - 3));
                    var c = e.getUniformLocation(t, a.name);
                    c && (o[f] = n(0, a, c))
                }
            }
            return o
        }

        function k(e, t) {
            for (var r = {}, n = e.getProgramParameter(t, 35971), o = 0; o < n; ++o) {
                var u = e.getTransformFeedbackVarying(t, o);
                r[u.name] = {index: o, type: u.type, size: u.size}
            }
            return r
        }

        function W(e, t, r) {
            for (var n in t.transformFeedbackInfo && (t = t.transformFeedbackInfo), r.attribs && (r = r.attribs), r) {
                var o = t[n];
                if (o) {
                    var u = r[n];
                    u.offset ? e.bindBufferRange(35982, o.index, u.buffer, u.offset, u.size) : e.bindBufferBase(35982, o.index, u.buffer)
                }
            }
        }

        function I(e, t) {
            for (var r = e.getProgramParameter(t, 35718), n = [], o = [], u = 0; u < r; ++u) {
                o.push(u), n.push({});
                var i = e.getActiveUniform(t, u);
                if (U(i)) break;
                n[u].name = i.name
            }
            [["UNIFORM_TYPE", "type"], ["UNIFORM_SIZE", "size"], ["UNIFORM_BLOCK_INDEX", "blockNdx"], ["UNIFORM_OFFSET", "offset"]].forEach((function (r) {
                var u = r[0], i = r[1];
                e.getActiveUniforms(t, o, e[u]).forEach((function (e, t) {
                    n[t][i] = e
                }))
            }));
            for (var a = {}, f = e.getProgramParameter(t, 35382), c = 0; c < f; ++c) {
                var l = e.getActiveUniformBlockName(t, c), s = {
                    index: e.getUniformBlockIndex(t, l),
                    usedByVertexShader: e.getActiveUniformBlockParameter(t, c, 35396),
                    usedByFragmentShader: e.getActiveUniformBlockParameter(t, c, 35398),
                    size: e.getActiveUniformBlockParameter(t, c, 35392),
                    uniformIndices: e.getActiveUniformBlockParameter(t, c, 35395)
                };
                s.used = s.usedByVertexShader || s.usedByFragmentShader, a[l] = s
            }
            return {blockSpecs: a, uniformData: n}
        }

        var B = /\[\d+\]\.$/;

        function L(e, t, r, n) {
            var o = r.blockSpecs, u = r.uniformData, i = o[n];
            if (!i) return c("no uniform block object named:", n), {name: n, uniforms: {}};
            var a = new ArrayBuffer(i.size), f = e.createBuffer(), l = i.index;
            e.bindBuffer(35345, f), e.uniformBlockBinding(t, i.index, l);
            var y = n + ".";
            B.test(y) && (y = y.replace(B, "."));
            var v = {};
            return i.uniformIndices.forEach((function (e) {
                var t = u[e], r = s[t.type], n = r.Type, o = t.size * r.size, i = t.name;
                i.substr(0, y.length) === y && (i = i.substr(y.length)), v[i] = new n(a, t.offset, o / n.BYTES_PER_ELEMENT)
            })), {name: n, array: a, asFloat: new Float32Array(a), buffer: f, uniforms: v}
        }

        function G(e, t, r) {
            var n = (t.uniformBlockSpec || t).blockSpecs[r.name];
            if (n) {
                var o = n.index;
                return e.bindBufferRange(35345, o, r.buffer, r.offset || 0, r.array.byteLength), !0
            }
            return !1
        }

        function X(e, t) {
            for (var r = e.uniformSetters || e, n = arguments.length, o = 1; o < n; ++o) {
                var u = arguments[o];
                if (Array.isArray(u)) for (var i = u.length, a = 0; a < i; ++a) X(r, u[a]); else for (var f in u) {
                    var c = r[f];
                    c && c(u[f])
                }
            }
        }

        var D = X;

        function N(e, t) {
            for (var r = {}, n = e.getProgramParameter(t, 35721), o = 0; o < n; ++o) {
                var u = e.getActiveAttrib(t, o);
                if (!U(u)) {
                    var i = e.getAttribLocation(t, u.name), a = j[u.type], f = a.setter(e, i, a);
                    f.location = i, r[u.name] = f
                }
            }
            return r
        }

        function H(e, t) {
            for (var r in t) {
                var n = e[r];
                n && n(t[r])
            }
        }

        function q(e, t) {
            var r = {program: t, uniformSetters: C(e, t), attribSetters: N(e, t)};
            return o.isWebGL2(e) && (r.uniformBlockSpec = I(e, t), r.transformFeedbackInfo = k(e, t)), r
        }

        t.setUniformsAndBindTextures = D
    }, function (e, t, r) {
        "use strict";

        function n(e) {
            return (n = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (e) {
                return typeof e
            } : function (e) {
                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0, t.axisRotate = function (e, t, r, n) {
            n = n || new c(16);
            var o = t[0], u = t[1], i = t[2], a = Math.sqrt(o * o + u * u + i * i), f = (o /= a) * o, l = (u /= a) * u,
                s = (i /= a) * i, y = Math.cos(r), v = Math.sin(r), b = 1 - y, m = f + (1 - f) * y,
                p = o * u * b + i * v, d = o * i * b - u * v, x = o * u * b - i * v, w = l + (1 - l) * y,
                h = u * i * b + o * v, F = o * i * b + u * v, E = u * i * b - o * v, A = s + (1 - s) * y, j = e[0],
                O = e[1], _ = e[2], M = e[3], S = e[4], P = e[5], R = e[6], T = e[7], g = e[8], z = e[9], U = e[10],
                C = e[11];
            n[0] = m * j + p * S + d * g, n[1] = m * O + p * P + d * z, n[2] = m * _ + p * R + d * U, n[3] = m * M + p * T + d * C, n[4] = x * j + w * S + h * g, n[5] = x * O + w * P + h * z, n[6] = x * _ + w * R + h * U, n[7] = x * M + w * T + h * C, n[8] = F * j + E * S + A * g, n[9] = F * O + E * P + A * z, n[10] = F * _ + E * R + A * U, n[11] = F * M + E * T + A * C, e !== n && (n[12] = e[12], n[13] = e[13], n[14] = e[14], n[15] = e[15]);
            return n
        }, t.axisRotation = function (e, t, r) {
            r = r || new c(16);
            var n = e[0], o = e[1], u = e[2], i = Math.sqrt(n * n + o * o + u * u), a = (n /= i) * n, f = (o /= i) * o,
                l = (u /= i) * u, s = Math.cos(t), y = Math.sin(t), v = 1 - s;
            return r[0] = a + (1 - a) * s, r[1] = n * o * v + u * y, r[2] = n * u * v - o * y, r[3] = 0, r[4] = n * o * v - u * y, r[5] = f + (1 - f) * s, r[6] = o * u * v + n * y, r[7] = 0, r[8] = n * u * v + o * y, r[9] = o * u * v - n * y, r[10] = l + (1 - l) * s, r[11] = 0, r[12] = 0, r[13] = 0, r[14] = 0, r[15] = 1, r
        }, t.copy = l, t.frustum = function (e, t, r, n, o, u, i) {
            i = i || new c(16);
            var a = t - e, f = n - r, l = o - u;
            return i[0] = 2 * o / a, i[1] = 0, i[2] = 0, i[3] = 0, i[4] = 0, i[5] = 2 * o / f, i[6] = 0, i[7] = 0, i[8] = (e + t) / a, i[9] = (n + r) / f, i[10] = u / l, i[11] = -1, i[12] = 0, i[13] = 0, i[14] = o * u / l, i[15] = 0, i
        }, t.getAxis = function (e, t, r) {
            r = r || o.create();
            var n = 4 * t;
            return r[0] = e[n + 0], r[1] = e[n + 1], r[2] = e[n + 2], r
        }, t.getTranslation = function (e, t) {
            return (t = t || o.create())[0] = e[12], t[1] = e[13], t[2] = e[14], t
        }, t.identity = s, t.inverse = y, t.lookAt = function (e, t, r, n) {
            return n = n || new c(16), i = i || o.create(), a = a || o.create(), f = f || o.create(), o.normalize(o.subtract(e, t, f), f), o.normalize(o.cross(r, f, i), i), o.normalize(o.cross(f, i, a), a), n[0] = i[0], n[1] = i[1], n[2] = i[2], n[3] = 0, n[4] = a[0], n[5] = a[1], n[6] = a[2], n[7] = 0, n[8] = f[0], n[9] = f[1], n[10] = f[2], n[11] = 0, n[12] = e[0], n[13] = e[1], n[14] = e[2], n[15] = 1, n
        }, t.multiply = function (e, t, r) {
            r = r || new c(16);
            var n = e[0], o = e[1], u = e[2], i = e[3], a = e[4], f = e[5], l = e[6], s = e[7], y = e[8], v = e[9],
                b = e[10], m = e[11], p = e[12], d = e[13], x = e[14], w = e[15], h = t[0], F = t[1], E = t[2],
                A = t[3], j = t[4], O = t[5], _ = t[6], M = t[7], S = t[8], P = t[9], R = t[10], T = t[11], g = t[12],
                z = t[13], U = t[14], C = t[15];
            return r[0] = n * h + a * F + y * E + p * A, r[1] = o * h + f * F + v * E + d * A, r[2] = u * h + l * F + b * E + x * A, r[3] = i * h + s * F + m * E + w * A, r[4] = n * j + a * O + y * _ + p * M, r[5] = o * j + f * O + v * _ + d * M, r[6] = u * j + l * O + b * _ + x * M, r[7] = i * j + s * O + m * _ + w * M, r[8] = n * S + a * P + y * R + p * T, r[9] = o * S + f * P + v * R + d * T, r[10] = u * S + l * P + b * R + x * T, r[11] = i * S + s * P + m * R + w * T, r[12] = n * g + a * z + y * U + p * C, r[13] = o * g + f * z + v * U + d * C, r[14] = u * g + l * z + b * U + x * C, r[15] = i * g + s * z + m * U + w * C, r
        }, t.negate = function (e, t) {
            return (t = t || new c(16))[0] = -e[0], t[1] = -e[1], t[2] = -e[2], t[3] = -e[3], t[4] = -e[4], t[5] = -e[5], t[6] = -e[6], t[7] = -e[7], t[8] = -e[8], t[9] = -e[9], t[10] = -e[10], t[11] = -e[11], t[12] = -e[12], t[13] = -e[13], t[14] = -e[14], t[15] = -e[15], t
        }, t.ortho = function (e, t, r, n, o, u, i) {
            return (i = i || new c(16))[0] = 2 / (t - e), i[1] = 0, i[2] = 0, i[3] = 0, i[4] = 0, i[5] = 2 / (n - r), i[6] = 0, i[7] = 0, i[8] = 0, i[9] = 0, i[10] = 2 / (o - u), i[11] = 0, i[12] = (t + e) / (e - t), i[13] = (n + r) / (r - n), i[14] = (u + o) / (o - u), i[15] = 1, i
        }, t.perspective = function (e, t, r, n, o) {
            o = o || new c(16);
            var u = Math.tan(.5 * Math.PI - .5 * e), i = 1 / (r - n);
            return o[0] = u / t, o[1] = 0, o[2] = 0, o[3] = 0, o[4] = 0, o[5] = u, o[6] = 0, o[7] = 0, o[8] = 0, o[9] = 0, o[10] = (r + n) * i, o[11] = -1, o[12] = 0, o[13] = 0, o[14] = r * n * i * 2, o[15] = 0, o
        }, t.rotateX = function (e, t, r) {
            r = r || new c(16);
            var n = e[4], o = e[5], u = e[6], i = e[7], a = e[8], f = e[9], l = e[10], s = e[11], y = Math.cos(t),
                v = Math.sin(t);
            r[4] = y * n + v * a, r[5] = y * o + v * f, r[6] = y * u + v * l, r[7] = y * i + v * s, r[8] = y * a - v * n, r[9] = y * f - v * o, r[10] = y * l - v * u, r[11] = y * s - v * i, e !== r && (r[0] = e[0], r[1] = e[1], r[2] = e[2], r[3] = e[3], r[12] = e[12], r[13] = e[13], r[14] = e[14], r[15] = e[15]);
            return r
        }, t.rotateY = function (e, t, r) {
            r = r || new c(16);
            var n = e[0], o = e[1], u = e[2], i = e[3], a = e[8], f = e[9], l = e[10], s = e[11], y = Math.cos(t),
                v = Math.sin(t);
            r[0] = y * n - v * a, r[1] = y * o - v * f, r[2] = y * u - v * l, r[3] = y * i - v * s, r[8] = y * a + v * n, r[9] = y * f + v * o, r[10] = y * l + v * u, r[11] = y * s + v * i, e !== r && (r[4] = e[4], r[5] = e[5], r[6] = e[6], r[7] = e[7], r[12] = e[12], r[13] = e[13], r[14] = e[14], r[15] = e[15]);
            return r
        }, t.rotateZ = function (e, t, r) {
            r = r || new c(16);
            var n = e[0], o = e[1], u = e[2], i = e[3], a = e[4], f = e[5], l = e[6], s = e[7], y = Math.cos(t),
                v = Math.sin(t);
            r[0] = y * n + v * a, r[1] = y * o + v * f, r[2] = y * u + v * l, r[3] = y * i + v * s, r[4] = y * a - v * n, r[5] = y * f - v * o, r[6] = y * l - v * u, r[7] = y * s - v * i, e !== r && (r[8] = e[8], r[9] = e[9], r[10] = e[10], r[11] = e[11], r[12] = e[12], r[13] = e[13], r[14] = e[14], r[15] = e[15]);
            return r
        }, t.rotationX = function (e, t) {
            t = t || new c(16);
            var r = Math.cos(e), n = Math.sin(e);
            return t[0] = 1, t[1] = 0, t[2] = 0, t[3] = 0, t[4] = 0, t[5] = r, t[6] = n, t[7] = 0, t[8] = 0, t[9] = -n, t[10] = r, t[11] = 0, t[12] = 0, t[13] = 0, t[14] = 0, t[15] = 1, t
        }, t.rotationY = function (e, t) {
            t = t || new c(16);
            var r = Math.cos(e), n = Math.sin(e);
            return t[0] = r, t[1] = 0, t[2] = -n, t[3] = 0, t[4] = 0, t[5] = 1, t[6] = 0, t[7] = 0, t[8] = n, t[9] = 0, t[10] = r, t[11] = 0, t[12] = 0, t[13] = 0, t[14] = 0, t[15] = 1, t
        }, t.rotationZ = function (e, t) {
            t = t || new c(16);
            var r = Math.cos(e), n = Math.sin(e);
            return t[0] = r, t[1] = n, t[2] = 0, t[3] = 0, t[4] = -n, t[5] = r, t[6] = 0, t[7] = 0, t[8] = 0, t[9] = 0, t[10] = 1, t[11] = 0, t[12] = 0, t[13] = 0, t[14] = 0, t[15] = 1, t
        }, t.scale = function (e, t, r) {
            r = r || new c(16);
            var n = t[0], o = t[1], u = t[2];
            r[0] = n * e[0], r[1] = n * e[1], r[2] = n * e[2], r[3] = n * e[3], r[4] = o * e[4], r[5] = o * e[5], r[6] = o * e[6], r[7] = o * e[7], r[8] = u * e[8], r[9] = u * e[9], r[10] = u * e[10], r[11] = u * e[11], e !== r && (r[12] = e[12], r[13] = e[13], r[14] = e[14], r[15] = e[15]);
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            return (t = t || new c(16))[0] = e[0], t[1] = 0, t[2] = 0, t[3] = 0, t[4] = 0, t[5] = e[1], t[6] = 0, t[7] = 0, t[8] = 0, t[9] = 0, t[10] = e[2], t[11] = 0, t[12] = 0, t[13] = 0, t[14] = 0, t[15] = 1, t
        }, t.setAxis = function (e, t, r, n) {
            n !== e && (n = l(e, n));
            var o = 4 * r;
            return n[o + 0] = t[0], n[o + 1] = t[1], n[o + 2] = t[2], n
        }, t.setDefaultType = function (e) {
            var t = c;
            return c = e, t
        }, t.setTranslation = function (e, t, r) {
            r = r || s(), e !== r && (r[0] = e[0], r[1] = e[1], r[2] = e[2], r[3] = e[3], r[4] = e[4], r[5] = e[5], r[6] = e[6], r[7] = e[7], r[8] = e[8], r[9] = e[9], r[10] = e[10], r[11] = e[11]);
            return r[12] = t[0], r[13] = t[1], r[14] = t[2], r[15] = 1, r
        }, t.transformDirection = function (e, t, r) {
            r = r || o.create();
            var n = t[0], u = t[1], i = t[2];
            return r[0] = n * e[0] + u * e[4] + i * e[8], r[1] = n * e[1] + u * e[5] + i * e[9], r[2] = n * e[2] + u * e[6] + i * e[10], r
        }, t.transformNormal = function (e, t, r) {
            r = r || o.create();
            var n = y(e), u = t[0], i = t[1], a = t[2];
            return r[0] = u * n[0] + i * n[1] + a * n[2], r[1] = u * n[4] + i * n[5] + a * n[6], r[2] = u * n[8] + i * n[9] + a * n[10], r
        }, t.transformPoint = function (e, t, r) {
            r = r || o.create();
            var n = t[0], u = t[1], i = t[2], a = n * e[3] + u * e[7] + i * e[11] + e[15];
            return r[0] = (n * e[0] + u * e[4] + i * e[8] + e[12]) / a, r[1] = (n * e[1] + u * e[5] + i * e[9] + e[13]) / a, r[2] = (n * e[2] + u * e[6] + i * e[10] + e[14]) / a, r
        }, t.translate = function (e, t, r) {
            r = r || new c(16);
            var n = t[0], o = t[1], u = t[2], i = e[0], a = e[1], f = e[2], l = e[3], s = e[4], y = e[5], v = e[6],
                b = e[7], m = e[8], p = e[9], d = e[10], x = e[11], w = e[12], h = e[13], F = e[14], E = e[15];
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        }, t.translation = function (e, t) {
            return (t = t || new c(16))[0] = 1, t[1] = 0, t[2] = 0, t[3] = 0, t[4] = 0, t[5] = 1, t[6] = 0, t[7] = 0, t[8] = 0, t[9] = 0, t[10] = 1, t[11] = 0, t[12] = e[0], t[13] = e[1], t[14] = e[2], t[15] = 1, t
        }, t.transpose = function (e, t) {
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                var r;
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            var n = e[0], o = e[1], u = e[2], i = e[3], a = e[4], f = e[5], l = e[6], s = e[7], y = e[8], v = e[9],
                b = e[10], m = e[11], p = e[12], d = e[13], x = e[14], w = e[15];
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            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
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            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var i in e) if (Object.prototype.hasOwnProperty.call(e, i)) {
                var a = o ? Object.getOwnPropertyDescriptor(e, i) : null;
                a && (a.get || a.set) ? Object.defineProperty(r, i, a) : r[i] = e[i]
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            r.default = e, t && t.set(e, r);
            return r
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        function u() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return u = function () {
                return e
            }, e
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        var i, a, f, c = Float32Array;

        function l(e, t) {
            return (t = t || new c(16))[0] = e[0], t[1] = e[1], t[2] = e[2], t[3] = e[3], t[4] = e[4], t[5] = e[5], t[6] = e[6], t[7] = e[7], t[8] = e[8], t[9] = e[9], t[10] = e[10], t[11] = e[11], t[12] = e[12], t[13] = e[13], t[14] = e[14], t[15] = e[15], t
        }

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                q = j * n + M * a + R * y - (A * n + S * a + P * y), V = 1 / (r * D + i * N + s * H + m * q);
            return t[0] = V * D, t[1] = V * N, t[2] = V * H, t[3] = V * q, t[4] = V * (h * i + F * s + j * m - (w * i + E * s + A * m)), t[5] = V * (w * r + _ * s + M * m - (h * r + O * s + S * m)), t[6] = V * (E * r + O * i + R * m - (F * r + _ * i + P * m)), t[7] = V * (A * r + S * i + P * s - (j * r + M * i + R * s)), t[8] = V * (T * l + U * b + C * x - (g * l + z * b + k * x)), t[9] = V * (g * u + W * b + L * x - (T * u + I * b + B * x)), t[10] = V * (z * u + I * l + G * x - (U * u + W * l + X * x)), t[11] = V * (k * u + B * l + X * b - (C * u + L * l + G * b)), t[12] = V * (z * v + k * d + g * f - (C * d + T * f + U * v)), t[13] = V * (B * d + T * o + I * v - (W * v + L * d + g * o)), t[14] = V * (W * f + X * d + U * o - (G * d + z * o + I * f)), t[15] = V * (G * v + C * o + L * f - (B * f + X * v + k * o)), t
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                var t, r;
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                r === w.length && (t = Object.keys(e)[0]);
                var n = e[t], o = y(n).length, u = p(n, t), i = o / u;
                if (o % u > 0) throw new Error("numComponents ".concat(u, " not correct for length ").concat(o));
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            u.attribs = Object.assign({}, r ? r.attribs : {}, n);
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                var a = d(i, "indices");
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                var o = t[r];
                e.bindBuffer(34962, o.buffer);
                var u = e.getBufferParameter(34962, 34660);
                e.bindBuffer(34962, null);
                var i = (s = o.type, 5120 === s || 5121 === s ? 1 : 5122 === s || 5123 === s ? 2 : 5124 === s || 5125 === s || 5126 === s ? 4 : 0),
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                var s;
                if (l % 1 != 0) throw new Error("numComponents ".concat(c, " not correct for length ").concat(length));
                return l
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            return u
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            f.attribPrefix = e
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            u.copyExistingProperties(e, f)
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        function i() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
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                return e
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        function a(e) {
            if (e && e.__esModule) return e;
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            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var a = o ? Object.getOwnPropertyDescriptor(e, u) : null;
                a && (a.get || a.set) ? Object.defineProperty(r, u, a) : r[u] = e[u]
            }
            return r.default = e, t && t.set(e, r), r
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        var f = {attribPrefix: ""};

        function c(e, t, r, n, o) {
            e.bindBuffer(t, r), e.bufferData(t, n, o || 35044)
        }

        function l(e, t, r, n) {
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            return c(e, r, o, t, n), o
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        function s(e) {
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        function y(e) {
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        function m(e, t) {
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                        r[i] = {value: u.value}
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                        var a, c, y, v;
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                            var b = u.data || u, x = u.type || Float32Array, w = b * x.BYTES_PER_ELEMENT;
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                        } else {
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                                return e instanceof Int8Array || e instanceof Uint8Array
                            }(h), v = p(u, n)
                        }
                        r[i] = {
                            buffer: a,
                            numComponents: v,
                            type: c,
                            normalize: y,
                            stride: u.stride || 0,
                            offset: u.offset || 0,
                            divisor: void 0 === u.divisor ? void 0 : u.divisor,
                            drawType: u.drawType
                        }
                    }
                }
                var F
            })), e.bindBuffer(34962, null), r
        }

        var w = ["position", "positions", "a_position"];

        function h(e, t, r) {
            var n = "indices" === r ? 34963 : 34962;
            return l(e, d(t, r), n)
        }
    }, function (e, t, r) {
        "use strict";

        function n(e) {
            return (n = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (e) {
                return typeof e
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                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0, t.setTextureDefaults_ = function (e) {
            i.copyExistingProperties(e, l), e.textureColor && _(e.textureColor)
        }, t.createSampler = C, t.createSamplers = function (e, t) {
            var r = {};
            return Object.keys(t).forEach((function (n) {
                r[n] = C(e, t[n])
            })), r
        }, t.setSamplerParameters = U, t.createTexture = $, t.setEmptyTexture = Z, t.setTextureFromArray = K, t.loadTextureFromUrl = q, t.setTextureFromElement = L, t.setTextureFilteringForSize = k, t.setTextureParameters = z, t.setDefaultTextureColor = _, t.createTextures = function (e, t, r) {
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            var n = 0, o = [], u = {}, i = {};

            function a() {
                0 === n && setTimeout((function () {
                    r(o.length ? o : void 0, u, i)
                }), 0)
            }

            return Object.keys(t).forEach((function (r) {
                var f, c, l = t[r];
                ("string" == typeof (c = l.src) || Array.isArray(c) && "string" == typeof c[0]) && (f = function (e, t, u) {
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                }, ++n), u[r] = $(e, l, f)
            })), a(), u
        }, t.resizeTexture = function (e, t, r, n, o, u) {
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            e.bindTexture(i, t);
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            var t = p[e];
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            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var i = o ? Object.getOwnPropertyDescriptor(e, u) : null;
                i && (i.get || i.set) ? Object.defineProperty(r, u, i) : r[u] = e[u]
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        var c, l = {textureColor: new Uint8Array([128, 192, 255, 255]), textureOptions: {}, crossOrigin: void 0},
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        function y() {
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                t[b] = {
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                    F: !0,
                    A: [4, 8, 8, 16, 2, 2],
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                    v: 6403,
                    h: !1,
                    F: !0,
                    A: [1],
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                    h: !1,
                    F: !1,
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                    type: [5126]
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                    A: [2],
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                    A: [8],
                    type: [5126]
                }, t[33336] = {v: 33320, h: !0, F: !1, A: [2], type: [5121]}, t[33335] = {
                    v: 33320,
                    h: !0,
                    F: !1,
                    A: [2],
                    type: [5120]
                }, t[33338] = {v: 33320, h: !0, F: !1, A: [4], type: [5123]}, t[33337] = {
                    v: 33320,
                    h: !0,
                    F: !1,
                    A: [4],
                    type: [5122]
                }, t[33340] = {v: 33320, h: !0, F: !1, A: [8], type: [5125]}, t[33339] = {
                    v: 33320,
                    h: !0,
                    F: !1,
                    A: [8],
                    type: [5124]
                }, t[32849] = {v: b, h: !0, F: !0, A: [3], type: [5121]}, t[35905] = {
                    v: b,
                    h: !1,
                    F: !0,
                    A: [3],
                    type: [5121]
                }, t[36194] = {v: b, h: !0, F: !0, A: [3, 2], type: [5121, 33635]}, t[36758] = {
                    v: b,
                    h: !1,
                    F: !0,
                    A: [3],
                    type: [5120]
                }, t[35898] = {v: b, h: !1, F: !0, A: [12, 6, 4], type: [5126, 5131, 35899]}, t[35901] = {
                    v: b,
                    h: !1,
                    F: !0,
                    A: [12, 6, 4],
                    type: [5126, 5131, 35902]
                }, t[34843] = {v: b, h: !1, F: !0, A: [12, 6], type: [5126, 5131]}, t[34837] = {
                    v: b,
                    h: !1,
                    F: !1,
                    A: [12],
                    type: [5126]
                }, t[36221] = {v: 36248, h: !1, F: !1, A: [3], type: [5121]}, t[36239] = {
                    v: 36248,
                    h: !1,
                    F: !1,
                    A: [3],
                    type: [5120]
                }, t[36215] = {v: 36248, h: !1, F: !1, A: [6], type: [5123]}, t[36233] = {
                    v: 36248,
                    h: !1,
                    F: !1,
                    A: [6],
                    type: [5122]
                }, t[36209] = {v: 36248, h: !1, F: !1, A: [12], type: [5125]}, t[36227] = {
                    v: 36248,
                    h: !1,
                    F: !1,
                    A: [12],
                    type: [5124]
                }, t[32856] = {v: 6408, h: !0, F: !0, A: [4], type: [5121]}, t[35907] = {
                    v: 6408,
                    h: !0,
                    F: !0,
                    A: [4],
                    type: [5121]
                }, t[36759] = {v: 6408, h: !1, F: !0, A: [4], type: [5120]}, t[32855] = {
                    v: 6408,
                    h: !0,
                    F: !0,
                    A: [4, 2, 4],
                    type: [5121, 32820, 33640]
                }, t[32854] = {v: 6408, h: !0, F: !0, A: [4, 2], type: [5121, 32819]}, t[32857] = {
                    v: 6408,
                    h: !0,
                    F: !0,
                    A: [4],
                    type: [33640]
                }, t[34842] = {v: 6408, h: !1, F: !0, A: [16, 8], type: [5126, 5131]}, t[34836] = {
                    v: 6408,
                    h: !1,
                    F: !1,
                    A: [16],
                    type: [5126]
                }, t[36220] = {v: 36249, h: !0, F: !1, A: [4], type: [5121]}, t[36238] = {
                    v: 36249,
                    h: !0,
                    F: !1,
                    A: [4],
                    type: [5120]
                }, t[36975] = {v: 36249, h: !0, F: !1, A: [4], type: [33640]}, t[36214] = {
                    v: 36249,
                    h: !0,
                    F: !1,
                    A: [8],
                    type: [5123]
                }, t[36232] = {v: 36249, h: !0, F: !1, A: [8], type: [5122]}, t[36226] = {
                    v: 36249,
                    h: !0,
                    F: !1,
                    A: [16],
                    type: [5124]
                }, t[36208] = {v: 36249, h: !0, F: !1, A: [16], type: [5125]}, t[33189] = {
                    v: 6402,
                    h: !0,
                    F: !1,
                    A: [2, 4],
                    type: [5123, 5125]
                }, t[33190] = {v: 6402, h: !0, F: !1, A: [4], type: [5125]}, t[36012] = {
                    v: 6402,
                    h: !0,
                    F: !1,
                    A: [4],
                    type: [5126]
                }, t[35056] = {v: 34041, h: !0, F: !1, A: [4], type: [34042]}, t[36013] = {
                    v: 34041,
                    h: !0,
                    F: !1,
                    A: [4],
                    type: [36269]
                }, Object.keys(t).forEach((function (e) {
                    var r = t[e];
                    r.bytesPerElementMap = {}, r.A.forEach((function (e, t) {
                        var n = r.type[t];
                        r.bytesPerElementMap[n] = e
                    }))
                })), v = t
            }
            return v[e]
        }

        function w(e, t) {
            var r = x(e);
            if (!r) throw"unknown internal format";
            var n = r.bytesPerElementMap[t];
            if (void 0 === n) throw"unknown internal format";
            return n
        }

        function h(e) {
            var t = x(e);
            if (!t) throw"unknown internal format";
            return {format: t.v, type: t.type[0]}
        }

        function F(e) {
            return 0 == (e & e - 1)
        }

        function E(e, t, r, n) {
            if (!o.isWebGL2(e)) return F(t) && F(r);
            var u = x(n);
            if (!u) throw"unknown internal format";
            return u.h && u.F
        }

        function A(e) {
            var t = x(e);
            if (!t) throw"unknown internal format";
            return t.F
        }

        function j(e, t, r) {
            return s(t) ? u.getGLTypeForTypedArray(t) : r || 5121
        }

        function O(e, t, r, n, o) {
            if (o % 1 != 0) throw"can't guess dimensions";
            if (r || n) {
                if (n) {
                    if (!r && (r = o / n) % 1) throw"can't guess dimensions"
                } else if ((n = o / r) % 1) throw"can't guess dimensions"
            } else {
                var u = Math.sqrt(o / (34067 === t ? 6 : 1));
                u % 1 == 0 ? (r = u, n = u) : (r = o, n = 1)
            }
            return {width: r, height: n}
        }

        function _(e) {
            l.textureColor = new Uint8Array([255 * e[0], 255 * e[1], 255 * e[2], 255 * e[3]])
        }

        d[6406] = {u: 1}, d[6409] = {u: 1}, d[6410] = {u: 2}, d[b] = {u: 3}, d[6408] = {u: 4}, d[6403] = {u: 1}, d[36244] = {u: 1}, d[m] = {u: 2}, d[33320] = {u: 2}, d[b] = {u: 3}, d[36248] = {u: 3}, d[6408] = {u: 4}, d[36249] = {u: 4}, d[6402] = {u: 1}, d[34041] = {u: 2};
        var M = {};

        function S(e, t) {
            void 0 !== t.colorspaceConversion && (M.colorspaceConversion = e.getParameter(37443), e.pixelStorei(37443, t.colorspaceConversion)), void 0 !== t.premultiplyAlpha && (M.premultiplyAlpha = e.getParameter(37441), e.pixelStorei(37441, t.premultiplyAlpha)), void 0 !== t.flipY && (M.flipY = e.getParameter(37440), e.pixelStorei(37440, t.flipY))
        }

        function P(e, t) {
            void 0 !== t.colorspaceConversion && e.pixelStorei(37443, M.colorspaceConversion), void 0 !== t.premultiplyAlpha && e.pixelStorei(37441, M.premultiplyAlpha), void 0 !== t.flipY && e.pixelStorei(37440, M.flipY)
        }

        function R(e) {
            M.unpackAlignment = e.getParameter(3317), o.isWebGL2(e) && (M.unpackRowLength = e.getParameter(3314), M.unpackImageHeight = e.getParameter(32878), M.unpackSkipPixels = e.getParameter(3316), M.unpackSkipRows = e.getParameter(3315), M.unpackSkipImages = e.getParameter(32877))
        }

        function T(e) {
            e.pixelStorei(3317, M.unpackAlignment), o.isWebGL2(e) && (e.pixelStorei(3314, M.unpackRowLength), e.pixelStorei(32878, M.unpackImageHeight), e.pixelStorei(3316, M.unpackSkipPixels), e.pixelStorei(3315, M.unpackSkipRows), e.pixelStorei(32877, M.unpackSkipImages))
        }

        function g(e, t, r, n) {
            n.minMag && (r.call(e, t, 10241, n.minMag), r.call(e, t, 10240, n.minMag)), n.min && r.call(e, t, 10241, n.min), n.mag && r.call(e, t, 10240, n.mag), n.wrap && (r.call(e, t, 10242, n.wrap), r.call(e, t, 10243, n.wrap), (32879 === t || i.isSampler(e, t)) && r.call(e, t, 32882, n.wrap)), n.wrapR && r.call(e, t, 32882, n.wrapR), n.wrapS && r.call(e, t, 10242, n.wrapS), n.wrapT && r.call(e, t, 10243, n.wrapT), n.minLod && r.call(e, t, 33082, n.minLod), n.maxLod && r.call(e, t, 33083, n.maxLod), n.baseLevel && r.call(e, t, 33084, n.baseLevel), n.maxLevel && r.call(e, t, 33085, n.maxLevel)
        }

        function z(e, t, r) {
            var n = r.target || 3553;
            e.bindTexture(n, t), g(e, n, e.texParameteri, r)
        }

        function U(e, t, r) {
            g(e, t, e.samplerParameteri, r)
        }

        function C(e, t) {
            var r = e.createSampler();
            return U(e, r, t), r
        }

        function k(e, t, r, n, o, u) {
            u = u || 6408;
            var i = (r = r || l.textureOptions).target || 3553;
            if (n = n || r.width, o = o || r.height, e.bindTexture(i, t), E(e, n, o, u)) e.generateMipmap(i); else {
                var a = A(u) ? 9729 : 9728;
                e.texParameteri(i, 10241, a), e.texParameteri(i, 10240, a), e.texParameteri(i, 10242, 33071), e.texParameteri(i, 10243, 33071)
            }
        }

        function W(e) {
            return !0 === e.auto || void 0 === e.auto && void 0 === e.level
        }

        function I(e, t) {
            return (t = t || {}).cubeFaceOrder || [34069, 34070, 34071, 34072, 34073, 34074]
        }

        function B(e, t) {
            var r = I(0, t).map((function (e, t) {
                return {face: e, ndx: t}
            }));
            return r.sort((function (e, t) {
                return e.face - t.face
            })), r
        }

        function L(e, t, r, n) {
            var o = (n = n || l.textureOptions).target || 3553, u = n.level || 0, i = r.width, a = r.height,
                f = n.internalFormat || n.format || 6408, c = h(f), s = n.format || c.format, v = n.type || c.type;
            if (S(e, n), e.bindTexture(o, t), 34067 === o) {
                var b, m, p = r.width, d = r.height;
                if (p / 6 === d) b = d, m = [0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0]; else if (d / 6 === p) b = p, m = [0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5]; else if (p / 3 == d / 2) b = p / 3, m = [0, 0, 1, 0, 2, 0, 0, 1, 1, 1, 2, 1]; else {
                    if (p / 2 != d / 3) throw"can't figure out cube map from element: " + (r.src ? r.src : r.nodeName);
                    b = p / 2, m = [0, 0, 1, 0, 0, 1, 1, 1, 0, 2, 1, 2]
                }
                var x = y();
                x ? (x.canvas.width = b, x.canvas.height = b, i = b, a = b, B(0, n).forEach((function (t) {
                    var n = m[2 * t.ndx + 0] * b, o = m[2 * t.ndx + 1] * b;
                    x.drawImage(r, n, o, b, b, 0, 0, b, b), e.texImage2D(t.face, u, f, s, v, x.canvas)
                })), x.canvas.width = 1, x.canvas.height = 1) : "undefined" != typeof createImageBitmap && (i = b, a = b, B(0, n).forEach((function (c) {
                    var l = m[2 * c.ndx + 0] * b, y = m[2 * c.ndx + 1] * b;
                    e.texImage2D(c.face, u, f, b, b, 0, s, v, null), createImageBitmap(r, l, y, b, b, {
                        premultiplyAlpha: "none",
                        colorSpaceConversion: "none"
                    }).then((function (r) {
                        S(e, n), e.bindTexture(o, t), e.texImage2D(c.face, u, f, s, v, r), P(e, n), W(n) && k(e, t, n, i, a, f)
                    }))
                })))
            } else if (32879 === o || 35866 === o) {
                var w = Math.min(r.width, r.height), F = Math.max(r.width, r.height), E = F / w;
                if (E % 1 != 0) throw"can not compute 3D dimensions of element";
                var A = r.width === F ? 1 : 0, j = r.height === F ? 1 : 0;
                R(e), e.pixelStorei(3317, 1), e.pixelStorei(3314, r.width), e.pixelStorei(32878, 0), e.pixelStorei(32877, 0), e.texImage3D(o, u, f, w, w, w, 0, s, v, null);
                for (var O = 0; O < E; ++O) {
                    var _ = O * w * A, M = O * w * j;
                    e.pixelStorei(3316, _), e.pixelStorei(3315, M), e.texSubImage3D(o, u, 0, 0, O, w, w, 1, s, v, r)
                }
                T(e)
            } else e.texImage2D(o, u, f, s, v, r);
            P(e, n), W(n) && k(e, t, n, i, a, f), z(e, t, n)
        }

        function G() {
        }

        function X(e, t) {
            return void 0 !== t || function (e) {
                if ("undefined" != typeof document) {
                    var t = document.createElement("a");
                    return t.href = e, t.hostname === location.hostname && t.port === location.port && t.protocol === location.protocol
                }
                var r = new URL(location.href).origin;
                return new URL(e, location.href).origin === r
            }(e) ? t : "anonymous"
        }

        function D(e) {
            return "undefined" != typeof ImageBitmap && e instanceof ImageBitmap || "undefined" != typeof ImageData && e instanceof ImageData || "undefined" != typeof HTMLElement && e instanceof HTMLElement
        }

        function N(e, t, r) {
            return D(e) ? (setTimeout((function () {
                r(null, e)
            })), e) : function (e, t, r) {
                var n;
                if (r = r || G, t = void 0 !== t ? t : l.crossOrigin, t = X(e, t), "undefined" != typeof Image) {
                    n = new Image, void 0 !== t && (n.crossOrigin = t);
                    var o = function () {
                        n.removeEventListener("error", u), n.removeEventListener("load", a), n = null
                    }, u = function () {
                        var t = "couldn't load image: " + e;
                        i.error(t), r(t, n), o()
                    }, a = function () {
                        r(null, n), o()
                    };
                    return n.addEventListener("error", u), n.addEventListener("load", a), n.src = e, n
                }
                if ("undefined" != typeof ImageBitmap) {
                    var f, c, s = function () {
                        r(f, c)
                    }, y = {};
                    t && (y.mode = "cors"), fetch(e, y).then((function (e) {
                        if (!e.ok) throw e;
                        return e.blob()
                    })).then((function (e) {
                        return createImageBitmap(e, {premultiplyAlpha: "none", colorSpaceConversion: "none"})
                    })).then((function (e) {
                        c = e, setTimeout(s)
                    })).catch((function (e) {
                        f = e, setTimeout(s)
                    })), n = null
                }
                return n
            }(e, t, r)
        }

        function H(e, t, r) {
            var n = (r = r || l.textureOptions).target || 3553;
            if (e.bindTexture(n, t), !1 !== r.color) {
                var o = function (e) {
                    return e = e || l.textureColor, s(e) ? e : new Uint8Array([255 * e[0], 255 * e[1], 255 * e[2], 255 * e[3]])
                }(r.color);
                if (34067 === n) for (var u = 0; u < 6; ++u) e.texImage2D(34069 + u, 0, 6408, 1, 1, 0, 6408, 5121, o); else 32879 === n || 35866 === n ? e.texImage3D(n, 0, 6408, 1, 1, 1, 0, 6408, 5121, o) : e.texImage2D(n, 0, 6408, 1, 1, 0, 6408, 5121, o)
            }
        }

        function q(e, t, r, n) {
            return n = n || G, r = r || l.textureOptions, H(e, t, r), N((r = Object.assign({}, r)).src, r.crossOrigin, (function (o, u) {
                o ? n(o, t, u) : (L(e, t, u, r), n(null, t, u))
            }))
        }

        function V(e, t, r, n) {
            n = n || G;
            var o = r.src;
            if (6 !== o.length) throw"there must be 6 urls for a cubemap";
            var u = r.level || 0, i = r.internalFormat || r.format || 6408, a = h(i), f = r.format || a.format,
                c = r.type || 5121, l = r.target || 3553;
            if (34067 !== l) throw"target must be TEXTURE_CUBE_MAP";
            H(e, t, r), r = Object.assign({}, r);
            var s, y = 6, v = [], b = I(0, r);
            s = o.map((function (o, a) {
                return N(o, r.crossOrigin, (m = b[a], function (o, a) {
                    --y, o ? v.push(o) : a.width !== a.height ? v.push("cubemap face img is not a square: " + a.src) : (S(e, r), e.bindTexture(l, t), 5 === y ? I().forEach((function (t) {
                        e.texImage2D(t, u, i, f, c, a)
                    })) : e.texImage2D(m, u, i, f, c, a), P(e, r), W(r) && e.generateMipmap(l)), 0 === y && n(v.length ? v : void 0, t, s)
                }));
                var m
            }))
        }

        function Y(e, t, r, n) {
            n = n || G;
            var o = r.src, u = r.internalFormat || r.format || 6408, i = h(u), a = r.format || i.format,
                f = r.type || 5121, c = r.target || 35866;
            if (32879 !== c && 35866 !== c) throw"target must be TEXTURE_3D or TEXTURE_2D_ARRAY";
            H(e, t, r), r = Object.assign({}, r);
            var l, s = o.length, v = [], b = r.level || 0, m = r.width, p = r.height, d = o.length, x = !0;
            l = o.map((function (o, i) {
                return N(o, r.crossOrigin, (w = i, function (o, i) {
                    if (--s, o) v.push(o); else {
                        if (S(e, r), e.bindTexture(c, t), x) {
                            x = !1, m = r.width || i.width, p = r.height || i.height, e.texImage3D(c, b, u, m, p, d, 0, a, f, null);
                            for (var h = 0; h < d; ++h) e.texSubImage3D(c, b, 0, 0, h, m, p, 1, a, f, i)
                        } else {
                            var F, E = i;
                            i.width === m && i.height === p || (E = (F = y()).canvas, F.canvas.width = m, F.canvas.height = p, F.drawImage(i, 0, 0, m, p)), e.texSubImage3D(c, b, 0, 0, w, m, p, 1, a, f, E), F && E === F.canvas && (F.canvas.width = 0, F.canvas.height = 0)
                        }
                        P(e, r), W(r) && e.generateMipmap(c)
                    }
                    0 === s && n(v.length ? v : void 0, t, l)
                }));
                var w
            }))
        }

        function K(e, t, r, n) {
            var i = (n = n || l.textureOptions).target || 3553;
            e.bindTexture(i, t);
            var a = n.width, f = n.height, c = n.depth, y = n.level || 0, v = n.internalFormat || n.format || 6408,
                b = h(v), m = n.format || b.format, p = n.type || j(0, r, b.type);
            if (s(r)) r instanceof Uint8ClampedArray && (r = new Uint8Array(r.buffer)); else {
                var d = u.getTypedArrayTypeForGLType(p);
                r = new d(r)
            }
            var x, F = w(v, p), E = r.byteLength / F;
            if (E % 1) throw"length wrong size for format: " + o.glEnumToString(e, m);
            if (32879 === i || 35866 === i) if (a || f || c) !a || f && c ? !f || a && c ? (x = O(0, i, a, f, E / c), a = x.width, f = x.height) : (x = O(0, i, a, c, E / f), a = x.width, c = x.height) : (x = O(0, i, f, c, E / a), f = x.width, c = x.height); else {
                var A = Math.cbrt(E);
                if (A % 1 != 0) throw"can't guess cube size of array of numElements: " + E;
                a = A, f = A, c = A
            } else x = O(0, i, a, f, E), a = x.width, f = x.height;
            if (R(e), e.pixelStorei(3317, n.unpackAlignment || 1), S(e, n), 34067 === i) {
                var _ = E / 6 * (F / r.BYTES_PER_ELEMENT);
                B(0, n).forEach((function (t) {
                    var n = _ * t.ndx, o = r.subarray(n, n + _);
                    e.texImage2D(t.face, y, v, a, f, 0, m, p, o)
                }))
            } else 32879 === i || 35866 === i ? e.texImage3D(i, y, v, a, f, c, 0, m, p, r) : e.texImage2D(i, y, v, a, f, 0, m, p, r);
            return P(e, n), T(e), {width: a, height: f, depth: c, type: p}
        }

        function Z(e, t, r) {
            var n = r.target || 3553;
            e.bindTexture(n, t);
            var o = r.level || 0, u = r.internalFormat || r.format || 6408, i = h(u), a = r.format || i.format,
                f = r.type || i.type;
            if (S(e, r), 34067 === n) for (var c = 0; c < 6; ++c) e.texImage2D(34069 + c, o, u, r.width, r.height, 0, a, f, null); else 32879 === n || 35866 === n ? e.texImage3D(n, o, u, r.width, r.height, r.depth, 0, a, f, null) : e.texImage2D(n, o, u, r.width, r.height, 0, a, f, null);
            P(e, r)
        }

        function $(e, t, r) {
            r = r || G, t = t || l.textureOptions;
            var n = e.createTexture(), o = t.target || 3553, u = t.width || 1, i = t.height || 1,
                a = t.internalFormat || 6408;
            e.bindTexture(o, n), 34067 === o && (e.texParameteri(o, 10242, 33071), e.texParameteri(o, 10243, 33071));
            var f = t.src;
            if (f) if ("function" == typeof f && (f = f(e, t)), "string" == typeof f) q(e, n, t, r); else if (s(f) || Array.isArray(f) && ("number" == typeof f[0] || Array.isArray(f[0]) || s(f[0]))) {
                var c = K(e, n, f, t);
                u = c.width, i = c.height
            } else Array.isArray(f) && ("string" == typeof f[0] || D(f[0])) ? 34067 === o ? V(e, n, t, r) : Y(e, n, t, r) : (L(e, n, f, t), u = f.width, i = f.height); else Z(e, n, t);
            return W(t) && k(e, n, t, u, i, a), z(e, n, t), n
        }
    }, function (e, t, r) {
        "use strict";

        function n(e) {
            return (n = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (e) {
                return typeof e
            } : function (e) {
                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0;
        var o = {m4: !0, v3: !0, primitives: !0};
        t.primitives = t.v3 = t.m4 = void 0;
        var u = l(r(5));
        t.m4 = u;
        var i = l(r(2));
        t.v3 = i;
        var a = l(r(9));
        t.primitives = a;
        var f = r(10);

        function c() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return c = function () {
                return e
            }, e
        }

        function l(e) {
            if (e && e.__esModule) return e;
            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
            var t = c();
            if (t && t.has(e)) return t.get(e);
            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var i = o ? Object.getOwnPropertyDescriptor(e, u) : null;
                i && (i.get || i.set) ? Object.defineProperty(r, u, i) : r[u] = e[u]
            }
            return r.default = e, t && t.set(e, r), r
        }

        Object.keys(f).forEach((function (e) {
            "default" !== e && "__esModule" !== e && (Object.prototype.hasOwnProperty.call(o, e) || (t[e] = f[e]))
        }))
    }, function (e, t, r) {
        "use strict";

        function n(e) {
            return (n = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (e) {
                return typeof e
            } : function (e) {
                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0, t.create3DFVertices = P, t.createAugmentedTypedArray = b, t.createCubeVertices = _, t.createPlaneVertices = A, t.createSphereVertices = j, t.createTruncatedConeVertices = M, t.createXYQuadVertices = E, t.createCrescentVertices = R, t.createCylinderVertices = T, t.createTorusVertices = g, t.createDiscVertices = z, t.deindexVertices = function (e) {
            var t = e.indices, r = {}, n = t.length;
            return Object.keys(e).filter(m).forEach((function (o) {
                for (var u = e[o], i = u.numComponents, a = b(i, n, u.constructor), f = 0; f < n; ++f) for (var c = t[f] * i, l = 0; l < i; ++l) a.push(u[c + l]);
                r[o] = a
            })), r
        }, t.flattenNormals = function (e) {
            if (e.indices) throw new Error("can not flatten normals of indexed vertices. deindex them first");
            for (var t = e.normal, r = t.length, n = 0; n < r; n += 9) {
                var o = t[n + 0], u = t[n + 1], i = t[n + 2], a = t[n + 3], f = t[n + 4], c = t[n + 5], l = t[n + 6],
                    s = t[n + 7], y = t[n + 8], v = o + a + l, b = u + f + s, m = i + c + y,
                    p = Math.sqrt(v * v + b * b + m * m);
                v /= p, b /= p, m /= p, t[n + 0] = v, t[n + 1] = b, t[n + 2] = m, t[n + 3] = v, t[n + 4] = b, t[n + 5] = m, t[n + 6] = v, t[n + 7] = b, t[n + 8] = m
            }
            return e
        }, t.makeRandomVertexColors = function (e, t) {
            t = t || {};
            var r = e.position.numElements, n = b(4, r, Uint8Array), o = t.rand || function (e, t) {
                return t < 3 ? (r = 256, Math.random() * r | 0) : 255;
                var r
            };
            if (e.color = n, e.indices) for (var u = 0; u < r; ++u) n.push(o(u, 0), o(u, 1), o(u, 2), o(u, 3)); else for (var i = t.vertsPerColor || 3, a = r / i, f = 0; f < a; ++f) for (var c = [o(f, 0), o(f, 1), o(f, 2), o(f, 3)], l = 0; l < i; ++l) n.push(c);
            return e
        }, t.reorientDirections = x, t.reorientNormals = w, t.reorientPositions = h, t.reorientVertices = F, t.concatVertices = function (e) {
            for (var t, r = {}, n = function (n) {
                var o = e[n];
                Object.keys(o).forEach((function (e) {
                    r[e] || (r[e] = []), t || "indices" === e || (t = e);
                    var n = o[e], u = y(n, e), i = s(n).length / u;
                    r[e].push(i)
                }))
            }, o = 0; o < e.length; ++o) n(o);
            var u = r[t], i = {};
            return Object.keys(r).forEach((function (t) {
                var r = function (t) {
                    for (var r, n = 0, o = 0; o < e.length; ++o) {
                        var u = e[o][t], i = s(u);
                        n += i.length, r && !u.data || (r = u)
                    }
                    return {length: n, spec: r}
                }(t), n = I(r.spec, r.length);
                !function (t, r, n) {
                    for (var o = 0, u = 0, i = 0; i < e.length; ++i) {
                        var a = e[i][t], f = s(a);
                        "indices" === t ? (W(f, n, u, o), o += r[i]) : W(f, n, u), u += f.length
                    }
                }(t, u, s(n)), i[t] = n
            })), i
        }, t.duplicateVertices = function (e) {
            var t = {};
            return Object.keys(e).forEach((function (r) {
                var n = e[r], o = s(n), u = I(n, o.length);
                W(o, s(u), 0), t[r] = u
            })), t
        }, t.createDiscBuffers = t.createDiscBufferInfo = t.createTorusBuffers = t.createTorusBufferInfo = t.createCylinderBuffers = t.createCylinderBufferInfo = t.createCrescentBuffers = t.createCrescentBufferInfo = t.createCresentVertices = t.createCresentBuffers = t.createCresentBufferInfo = t.createXYQuadBuffers = t.createXYQuadBufferInfo = t.createTruncatedConeBuffers = t.createTruncatedConeBufferInfo = t.createSphereBuffers = t.createSphereBufferInfo = t.createPlaneBuffers = t.createPlaneBufferInfo = t.createCubeBuffers = t.createCubeBufferInfo = t.create3DFBuffers = t.create3DFBufferInfo = void 0;
        var o = l(r(6)), u = l(r(0)), i = l(r(1)), a = l(r(5)), f = l(r(2));

        function c() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return c = function () {
                return e
            }, e
        }

        function l(e) {
            if (e && e.__esModule) return e;
            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
            var t = c();
            if (t && t.has(e)) return t.get(e);
            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var i = o ? Object.getOwnPropertyDescriptor(e, u) : null;
                i && (i.get || i.set) ? Object.defineProperty(r, u, i) : r[u] = e[u]
            }
            return r.default = e, t && t.set(e, r), r
        }

        var s = o.getArray_, y = o.getNumComponents_;

        function v(e, t) {
            var r = 0;
            return e.push = function () {
                for (var t = 0; t < arguments.length; ++t) {
                    var n = arguments[t];
                    if (n instanceof Array || i.isArrayBuffer(n)) for (var o = 0; o < n.length; ++o) e[r++] = n[o]; else e[r++] = n
                }
            }, e.reset = function (e) {
                r = e || 0
            }, e.numComponents = t, Object.defineProperty(e, "numElements", {
                get: function () {
                    return this.length / this.numComponents | 0
                }
            }), e
        }

        function b(e, t, r) {
            return v(new (r || Float32Array)(e * t), e)
        }

        function m(e) {
            return "indices" !== e
        }

        function p(e, t, r) {
            for (var n = e.length, o = new Float32Array(3), u = 0; u < n; u += 3) r(t, [e[u], e[u + 1], e[u + 2]], o), e[u] = o[0], e[u + 1] = o[1], e[u + 2] = o[2]
        }

        function d(e, t, r) {
            r = r || f.create();
            var n = t[0], o = t[1], u = t[2];
            return r[0] = n * e[0] + o * e[1] + u * e[2], r[1] = n * e[4] + o * e[5] + u * e[6], r[2] = n * e[8] + o * e[9] + u * e[10], r
        }

        function x(e, t) {
            return p(e, t, a.transformDirection), e
        }

        function w(e, t) {
            return p(e, a.inverse(t), d), e
        }

        function h(e, t) {
            return p(e, t, a.transformPoint), e
        }

        function F(e, t) {
            return Object.keys(e).forEach((function (r) {
                var n = e[r];
                r.indexOf("pos") >= 0 ? h(n, t) : r.indexOf("tan") >= 0 || r.indexOf("binorm") >= 0 ? x(n, t) : r.indexOf("norm") >= 0 && w(n, t)
            })), e
        }

        function E(e, t, r) {
            return e = e || 2, {
                position: {
                    numComponents: 2,
                    data: [(t = t || 0) + -1 * (e *= .5), (r = r || 0) + -1 * e, t + 1 * e, r + -1 * e, t + -1 * e, r + 1 * e, t + 1 * e, r + 1 * e]
                },
                normal: [0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1],
                texcoord: [0, 0, 1, 0, 0, 1, 1, 1],
                indices: [0, 1, 2, 2, 1, 3]
            }
        }

        function A(e, t, r, n, o) {
            e = e || 1, t = t || 1, r = r || 1, n = n || 1, o = o || a.identity();
            for (var u = (r + 1) * (n + 1), i = b(3, u), f = b(3, u), c = b(2, u), l = 0; l <= n; l++) for (var s = 0; s <= r; s++) {
                var y = s / r, v = l / n;
                i.push(e * y - .5 * e, 0, t * v - .5 * t), f.push(0, 1, 0), c.push(y, v)
            }
            for (var m = r + 1, p = b(3, r * n * 2, Uint16Array), d = 0; d < n; d++) for (var x = 0; x < r; x++) p.push((d + 0) * m + x, (d + 1) * m + x, (d + 0) * m + x + 1), p.push((d + 1) * m + x, (d + 1) * m + x + 1, (d + 0) * m + x + 1);
            return F({position: i, normal: f, texcoord: c, indices: p}, o)
        }

        function j(e, t, r, n, o, u, i) {
            if (t <= 0 || r <= 0) throw new Error("subdivisionAxis and subdivisionHeight must be > 0");
            n = n || 0, u = u || 0;
            for (var a = (o = o || Math.PI) - n, f = (i = i || 2 * Math.PI) - u, c = (t + 1) * (r + 1), l = b(3, c), s = b(3, c), y = b(2, c), v = 0; v <= r; v++) for (var m = 0; m <= t; m++) {
                var p = m / t, d = v / r, x = f * p + u, w = a * d + n, h = Math.sin(x), F = Math.cos(x),
                    E = Math.sin(w), A = F * E, j = Math.cos(w), O = h * E;
                l.push(e * A, e * j, e * O), s.push(A, j, O), y.push(1 - p, d)
            }
            for (var _ = t + 1, M = b(3, t * r * 2, Uint16Array), S = 0; S < t; S++) for (var P = 0; P < r; P++) M.push((P + 0) * _ + S, (P + 0) * _ + S + 1, (P + 1) * _ + S), M.push((P + 1) * _ + S, (P + 0) * _ + S + 1, (P + 1) * _ + S + 1);
            return {position: l, normal: s, texcoord: y, indices: M}
        }

        var O = [[3, 7, 5, 1], [6, 2, 0, 4], [6, 7, 3, 2], [0, 1, 5, 4], [7, 6, 4, 5], [2, 3, 1, 0]];

        function _(e) {
            for (var t = (e = e || 1) / 2, r = [[-t, -t, -t], [+t, -t, -t], [-t, +t, -t], [+t, +t, -t], [-t, -t, +t], [+t, -t, +t], [-t, +t, +t], [+t, +t, +t]], n = [[1, 0, 0], [-1, 0, 0], [0, 1, 0], [0, -1, 0], [0, 0, 1], [0, 0, -1]], o = [[1, 0], [0, 0], [0, 1], [1, 1]], u = b(3, 24), i = b(3, 24), a = b(2, 24), f = b(3, 12, Uint16Array), c = 0; c < 6; ++c) {
                for (var l = O[c], s = 0; s < 4; ++s) {
                    var y = r[l[s]], v = n[c], m = o[s];
                    u.push(y), i.push(v), a.push(m)
                }
                var p = 4 * c;
                f.push(p + 0, p + 1, p + 2), f.push(p + 0, p + 2, p + 3)
            }
            return {position: u, normal: i, texcoord: a, indices: f}
        }

        function M(e, t, r, n, o, u, i) {
            if (n < 3) throw new Error("radialSubdivisions must be 3 or greater");
            if (o < 1) throw new Error("verticalSubdivisions must be 1 or greater");
            for (var a = void 0 === u || u, f = void 0 === i || i, c = (a ? 2 : 0) + (f ? 2 : 0), l = (n + 1) * (o + 1 + c), s = b(3, l), y = b(3, l), v = b(2, l), m = b(3, n * (o + c / 2) * 2, Uint16Array), p = n + 1, d = Math.atan2(e - t, r), x = Math.cos(d), w = Math.sin(d), h = o + (f ? 2 : 0), F = a ? -2 : 0; F <= h; ++F) {
                var E = F / o, A = r * E, j = void 0;
                F < 0 ? (A = 0, E = 1, j = e) : F > o ? (A = r, E = 1, j = t) : j = e + F / o * (t - e), -2 !== F && F !== o + 2 || (j = 0, E = 0), A -= r / 2;
                for (var O = 0; O < p; ++O) {
                    var _ = Math.sin(O * Math.PI * 2 / n), M = Math.cos(O * Math.PI * 2 / n);
                    s.push(_ * j, A, M * j), F < 0 ? y.push(0, -1, 0) : F > o ? y.push(0, 1, 0) : 0 === j ? y.push(0, 0, 0) : y.push(_ * x, w, M * x), v.push(O / n, 1 - E)
                }
            }
            for (var S = 0; S < o + c; ++S) if (!(1 === S && a || S === o + c - 2 && f)) for (var P = 0; P < n; ++P) m.push(p * (S + 0) + 0 + P, p * (S + 0) + 1 + P, p * (S + 1) + 1 + P), m.push(p * (S + 0) + 0 + P, p * (S + 1) + 1 + P, p * (S + 1) + 0 + P);
            return {position: s, normal: y, texcoord: v, indices: m}
        }

        function S(e, t) {
            t = t || [];
            for (var r = [], n = 0; n < e.length; n += 4) {
                var o = e[n], u = e.slice(n + 1, n + 4);
                u.push.apply(u, t);
                for (var i = 0; i < o; ++i) r.push.apply(r, u)
            }
            return r
        }

        function P() {
            var e = [0, 0, 0, 0, 150, 0, 30, 0, 0, 0, 150, 0, 30, 150, 0, 30, 0, 0, 30, 0, 0, 30, 30, 0, 100, 0, 0, 30, 30, 0, 100, 30, 0, 100, 0, 0, 30, 60, 0, 30, 90, 0, 67, 60, 0, 30, 90, 0, 67, 90, 0, 67, 60, 0, 0, 0, 30, 30, 0, 30, 0, 150, 30, 0, 150, 30, 30, 0, 30, 30, 150, 30, 30, 0, 30, 100, 0, 30, 30, 30, 30, 30, 30, 30, 100, 0, 30, 100, 30, 30, 30, 60, 30, 67, 60, 30, 30, 90, 30, 30, 90, 30, 67, 60, 30, 67, 90, 30, 0, 0, 0, 100, 0, 0, 100, 0, 30, 0, 0, 0, 100, 0, 30, 0, 0, 30, 100, 0, 0, 100, 30, 0, 100, 30, 30, 100, 0, 0, 100, 30, 30, 100, 0, 30, 30, 30, 0, 30, 30, 30, 100, 30, 30, 30, 30, 0, 100, 30, 30, 100, 30, 0, 30, 30, 0, 30, 60, 30, 30, 30, 30, 30, 30, 0, 30, 60, 0, 30, 60, 30, 30, 60, 0, 67, 60, 30, 30, 60, 30, 30, 60, 0, 67, 60, 0, 67, 60, 30, 67, 60, 0, 67, 90, 30, 67, 60, 30, 67, 60, 0, 67, 90, 0, 67, 90, 30, 30, 90, 0, 30, 90, 30, 67, 90, 30, 30, 90, 0, 67, 90, 30, 67, 90, 0, 30, 90, 0, 30, 150, 30, 30, 90, 30, 30, 90, 0, 30, 150, 0, 30, 150, 30, 0, 150, 0, 0, 150, 30, 30, 150, 30, 0, 150, 0, 30, 150, 30, 30, 150, 0, 0, 0, 0, 0, 0, 30, 0, 150, 30, 0, 0, 0, 0, 150, 30, 0, 150, 0],
                t = S([18, 0, 0, 1, 18, 0, 0, -1, 6, 0, 1, 0, 6, 1, 0, 0, 6, 0, -1, 0, 6, 1, 0, 0, 6, 0, 1, 0, 6, 1, 0, 0, 6, 0, -1, 0, 6, 1, 0, 0, 6, 0, -1, 0, 6, -1, 0, 0]),
                r = S([18, 200, 70, 120, 18, 80, 70, 200, 6, 70, 200, 210, 6, 200, 200, 70, 6, 210, 100, 70, 6, 210, 160, 70, 6, 70, 180, 210, 6, 100, 70, 210, 6, 76, 210, 100, 6, 140, 210, 80, 6, 90, 130, 110, 6, 160, 160, 220], [255]),
                n = e.length / 3, o = {
                    position: b(3, n),
                    texcoord: b(2, n),
                    normal: b(3, n),
                    color: b(4, n, Uint8Array),
                    indices: b(3, n / 3, Uint16Array)
                };
            o.position.push(e), o.texcoord.push([.22, .19, .22, .79, .34, .19, .22, .79, .34, .79, .34, .19, .34, .19, .34, .31, .62, .19, .34, .31, .62, .31, .62, .19, .34, .43, .34, .55, .49, .43, .34, .55, .49, .55, .49, .43, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0]), o.normal.push(t), o.color.push(r);
            for (var u = 0; u < n; ++u) o.indices.push(u);
            return o
        }

        function R(e, t, r, n, o, u, i) {
            if (o <= 0) throw new Error("subdivisionDown must be > 0");
            var a = (i = i || 1) - (u = u || 0), c = 2 * (o + 1) * 4, l = b(3, c), s = b(3, c), y = b(2, c);

            function v(e, t, r) {
                return e + (t - e) * r
            }

            function m(t, r, i, c, b, m) {
                for (var p = 0; p <= o; p++) {
                    var d = r / 1, x = p / o, w = 2 * (d - .5), h = (u + x * a) * Math.PI, F = Math.sin(h),
                        E = Math.cos(h), A = v(e, t, F), j = w * n, O = E * e, _ = F * A;
                    l.push(j, O, _);
                    var M = f.add(f.multiply([0, F, E], i), c);
                    s.push(M), y.push(d * b + m, x)
                }
            }

            for (var p = 0; p < 2; p++) {
                var d = 2 * (p / 1 - .5);
                m(t, p, [1, 1, 1], [0, 0, 0], 1, 0), m(t, p, [0, 0, 0], [d, 0, 0], 0, 0), m(r, p, [1, 1, 1], [0, 0, 0], 1, 0), m(r, p, [0, 0, 0], [d, 0, 0], 0, 1)
            }
            var x = b(3, 2 * o * 4, Uint16Array);

            function w(e, t) {
                for (var r = 0; r < o; ++r) x.push(e + r + 0, e + r + 1, t + r + 0), x.push(e + r + 1, t + r + 1, t + r + 0)
            }

            var h = o + 1;
            return w(0 * h, 4 * h), w(5 * h, 7 * h), w(6 * h, 2 * h), w(3 * h, 1 * h), {
                position: l,
                normal: s,
                texcoord: y,
                indices: x
            }
        }

        function T(e, t, r, n, o, u) {
            return M(e, e, t, r, n, o, u)
        }

        function g(e, t, r, n, o, u) {
            if (r < 3) throw new Error("radialSubdivisions must be 3 or greater");
            if (n < 3) throw new Error("verticalSubdivisions must be 3 or greater");
            o = o || 0;
            for (var i = (u = u || 2 * Math.PI) - o, a = r + 1, f = n + 1, c = a * f, l = b(3, c), s = b(3, c), y = b(2, c), v = b(3, r * n * 2, Uint16Array), m = 0; m < f; ++m) for (var p = m / n, d = p * Math.PI * 2, x = Math.sin(d), w = e + x * t, h = Math.cos(d), F = h * t, E = 0; E < a; ++E) {
                var A = E / r, j = o + A * i, O = Math.sin(j), _ = Math.cos(j), M = O * w, S = _ * w, P = O * x,
                    R = _ * x;
                l.push(M, F, S), s.push(P, h, R), y.push(A, 1 - p)
            }
            for (var T = 0; T < n; ++T) for (var g = 0; g < r; ++g) {
                var z = 1 + g, U = 1 + T;
                v.push(a * T + g, a * U + g, a * T + z), v.push(a * U + g, a * U + z, a * T + z)
            }
            return {position: l, normal: s, texcoord: y, indices: v}
        }

        function z(e, t, r, n, o) {
            if (t < 3) throw new Error("divisions must be at least 3");
            o = o || 1, n = n || 0;
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                    }
                }
                l += t + 1
            }
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        function C(e) {
            return function (t) {
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                return o.createBufferInfoFromArrays(t, r)
            }
        }

        var k = ["numComponents", "size", "type", "normalize", "stride", "offset", "attrib", "name", "attribName"];

        function W(e, t, r, n) {
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        }

        function I(e, t) {
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        }

        var B = C(P);
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        var L = U(P);
        t.create3DFBuffers = L;
        var G = C(_);
        t.createCubeBufferInfo = G;
        var X = U(_);
        t.createCubeBuffers = X;
        var D = C(A);
        t.createPlaneBufferInfo = D;
        var N = U(A);
        t.createPlaneBuffers = N;
        var H = C(j);
        t.createSphereBufferInfo = H;
        var q = U(j);
        t.createSphereBuffers = q;
        var V = C(M);
        t.createTruncatedConeBufferInfo = V;
        var Y = U(M);
        t.createTruncatedConeBuffers = Y;
        var K = C(E);
        t.createXYQuadBufferInfo = K;
        var Z = U(E);
        t.createXYQuadBuffers = Z;
        var $ = C(R);
        t.createCrescentBufferInfo = $;
        var J = U(R);
        t.createCrescentBuffers = J;
        var Q = C(T);
        t.createCylinderBufferInfo = Q;
        var ee = U(T);
        t.createCylinderBuffers = ee;
        var te = C(g);
        t.createTorusBufferInfo = te;
        var re = U(g);
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        var ne = C(z);
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        var ue = $;
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        var ae = R;
        t.createCresentVertices = ae
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        function n(e) {
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                return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
            })(e)
        }

        t.__esModule = !0;
        var o = {
            addExtensionsToContext: !0,
            getContext: !0,
            getWebGLContext: !0,
            resizeCanvasToDisplaySize: !0,
            setDefaults: !0,
            attributes: !0,
            textures: !0,
            utils: !0,
            draw: !0,
            framebuffers: !0,
            programs: !0,
            typedarrays: !0,
            vertexArrays: !0
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        t.addExtensionsToContext = h, t.getContext = function (e, t) {
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                    p.addExtensionsToContext && h(n);
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                }
                return n
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                    p.addExtensionsToContext && h(n);
                    break
                }
                return n
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        }, t.resizeCanvasToDisplaySize = function (e, t) {
            t = t || 1, t = Math.max(0, t);
            var r = e.clientWidth * t | 0, n = e.clientHeight * t | 0;
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        }, t.setDefaults = function (e) {
            a.copyExistingProperties(e, p), u.setAttributeDefaults_(e), i.setTextureDefaults_(e)
        }, t.vertexArrays = t.typedarrays = t.programs = t.framebuffers = t.draw = t.utils = t.textures = t.attributes = void 0;
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        var i = m(r(7));
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        var c = m(r(11));
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            "default" !== e && "__esModule" !== e && (Object.prototype.hasOwnProperty.call(o, e) || (t[e] = c[e]))
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        var l = m(r(12));
        t.framebuffers = l, Object.keys(l).forEach((function (e) {
            "default" !== e && "__esModule" !== e && (Object.prototype.hasOwnProperty.call(o, e) || (t[e] = l[e]))
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        var s = m(r(4));
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            "default" !== e && "__esModule" !== e && (Object.prototype.hasOwnProperty.call(o, e) || (t[e] = s[e]))
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        var y = m(r(1));
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        var v = m(r(13));

        function b() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return b = function () {
                return e
            }, e
        }

        function m(e) {
            if (e && e.__esModule) return e;
            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
            var t = b();
            if (t && t.has(e)) return t.get(e);
            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
            for (var u in e) if (Object.prototype.hasOwnProperty.call(e, u)) {
                var i = o ? Object.getOwnPropertyDescriptor(e, u) : null;
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            }
            return r.default = e, t && t.set(e, r), r
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        t.vertexArrays = v, Object.keys(v).forEach((function (e) {
            "default" !== e && "__esModule" !== e && (Object.prototype.hasOwnProperty.call(o, e) || (t[e] = v[e]))
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        var p = {addExtensionsToContext: !0};
        var d = /^(.*?)_/;

        function x(e, t) {
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                        }
                    }(c) : (e[y] = c, n[y] = c)
                }
                n.constructor = {name: r.constructor.name}, f.glEnumToString(n, 0)
            }
            return r
        }

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        function h(e) {
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        }
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            })(e)
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        t.__esModule = !0, t.drawBufferInfo = i, t.drawObjectList = function (e, t) {
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                }
            })), n && n.vertexArrayObject && e.bindVertexArray(null)
        };
        var o = function (e) {
            if (e && e.__esModule) return e;
            if (null === e || "object" !== n(e) && "function" != typeof e) return {default: e};
            var t = u();
            if (t && t.has(e)) return t.get(e);
            var r = {}, o = Object.defineProperty && Object.getOwnPropertyDescriptor;
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                a && (a.get || a.set) ? Object.defineProperty(r, i, a) : r[i] = e[i]
            }
            r.default = e, t && t.set(e, r);
            return r
        }(r(4));

        function u() {
            if ("function" != typeof WeakMap) return null;
            var e = new WeakMap;
            return u = function () {
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        }

        function i(e, t, r, n, o, u) {
            r = void 0 === r ? 4 : r;
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            })(e)
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                }(f)) i = e.createRenderbuffer(), e.bindRenderbuffer(36161, i), e.renderbufferStorage(36161, f, r, n); else {
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            })), s
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            })), e.bindVertexArray(null), {numElements: r.numElements, elementType: r.elementType, vertexArrayObject: n}
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        function u() {
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            var e = new WeakMap;
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    }])
}));