bytev-charts/lib/plugin/three.js/build/three.module.js

基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;

import _Reflect$construct from"@babel/runtime-corejs2/core-js/reflect/construct";import _typeof from"@babel/runtime-corejs2/helpers/typeof";import _get from"@babel/runtime-corejs2/helpers/get";import _defineProperty from"@babel/runtime-corejs2/helpers/defineProperty";import _assertThisInitialized from"@babel/runtime-corejs2/helpers/assertThisInitialized";import _inherits from"@babel/runtime-corejs2/helpers/inherits";import _possibleConstructorReturn from"@babel/runtime-corejs2/helpers/possibleConstructorReturn";import _getPrototypeOf from"@babel/runtime-corejs2/helpers/getPrototypeOf";import _classCallCheck from"@babel/runtime-corejs2/helpers/classCallCheck";import _createClass from"@babel/runtime-corejs2/helpers/createClass";var _ENCODINGS;function _createSuper(Derived){var hasNativeReflectConstruct=_isNativeReflectConstruct();return function _createSuperInternal(){var Super=_getPrototypeOf(Derived),result;if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=_Reflect$construct(Super,arguments,NewTarget);}else{result=Super.apply(this,arguments);}return _possibleConstructorReturn(this,result);};}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!_Reflect$construct)return false;if(_Reflect$construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(_Reflect$construct(Boolean,[],function(){}));return true;}catch(e){return false;}}import"core-js/modules/es.number.epsilon.js";import"core-js/modules/es.number.constructor.js";import"core-js/modules/es.number.is-integer.js";import"core-js/modules/es.math.sign.js";import"core-js/modules/es.function.name.js";import"core-js/modules/es.regexp.exec.js";import"core-js/modules/es.string.match.js";import"core-js/modules/es.date.to-string.js";import"core-js/modules/es.object.to-string.js";import"core-js/modules/es.regexp.to-string.js";import"core-js/modules/es.object.assign.js";import"core-js/modules/es.array.index-of.js";import"core-js/modules/es.array.splice.js";import"core-js/modules/es.array.slice.js";import"core-js/modules/es.string.repeat.js";import"core-js/modules/es.string.sub.js";import"core-js/modules/es.promise.js";import"core-js/modules/es.date.to-json.js";import"core-js/modules/web.url.to-json.js";import"core-js/modules/es.array.map.js";import"core-js/modules/es.array.iterator.js";import"core-js/modules/es.array-buffer.slice.js";import"core-js/modules/es.typed-array.int8-array.js";import"core-js/modules/es.typed-array.copy-within.js";import"core-js/modules/es.typed-array.every.js";import"core-js/modules/es.typed-array.fill.js";import"core-js/modules/es.typed-array.filter.js";import"core-js/modules/es.typed-array.find.js";import"core-js/modules/es.typed-array.find-index.js";import"core-js/modules/es.typed-array.for-each.js";import"core-js/modules/es.typed-array.includes.js";import"core-js/modules/es.typed-array.index-of.js";import"core-js/modules/es.typed-array.iterator.js";import"core-js/modules/es.typed-array.join.js";import"core-js/modules/es.typed-array.last-index-of.js";import"core-js/modules/es.typed-array.map.js";import"core-js/modules/es.typed-array.reduce.js";import"core-js/modules/es.typed-array.reduce-right.js";import"core-js/modules/es.typed-array.reverse.js";import"core-js/modules/es.typed-array.set.js";import"core-js/modules/es.typed-array.slice.js";import"core-js/modules/es.typed-array.some.js";import"core-js/modules/es.typed-array.sort.js";import"core-js/modules/es.typed-array.subarray.js";import"core-js/modules/es.typed-array.to-locale-string.js";import"core-js/modules/es.typed-array.to-string.js";import"core-js/modules/es.typed-array.uint8-array.js";import"core-js/modules/es.typed-array.uint8-clamped-array.js";import"core-js/modules/es.typed-array.int16-array.js";import"core-js/modules/es.typed-array.uint16-array.js";import"core-js/modules/es.typed-array.int32-array.js";import"core-js/modules/es.typed-array.uint32-array.js";import"core-js/modules/es.typed-array.float32-array.js";import"core-js/modules/es.typed-array.float64-array.js";import"core-js/modules/es.array.sort.js";import"core-js/modules/es.string.split.js";import"core-js/modules/es.array.join.js";import"core-js/modules/es.string.trim.js";import"core-js/modules/es.array.filter.js";import"core-js/modules/es.string.replace.js";import"core-js/modules/es.array.for-each.js";import"core-js/modules/web.dom-collections.for-each.js";import"core-js/modules/es.array.reverse.js";import"core-js/modules/es.array.concat.js";import"core-js/modules/es.array-buffer.is-view.js";import"core-js/modules/es.array-buffer.constructor.js";import"core-js/modules/es.data-view.js";import"core-js/modules/web.dom-collections.iterator.js";import"core-js/modules/es.array.find.js";import"core-js/modules/web.timers.js";import"core-js/modules/es.string.search.js";import"core-js/modules/es.array.last-index-of.js";import"core-js/modules/es.function.bind.js";import"core-js/modules/es.regexp.constructor.js";import"core-js/modules/es.math.log2.js";import _Number$EPSILON from"@babel/runtime-corejs2/core-js/number/epsilon";import _Number$isInteger from"@babel/runtime-corejs2/core-js/number/is-integer";import _Object$defineProperty from"@babel/runtime-corejs2/core-js/object/define-property";import _Object$assign from"@babel/runtime-corejs2/core-js/object/assign";import _Object$create from"@babel/runtime-corejs2/core-js/object/create";import _Array$isArray from"@babel/runtime-corejs2/core-js/array/is-array";import _Object$defineProperties from"@babel/runtime-corejs2/core-js/object/define-properties";import _JSON$stringify from"@babel/runtime-corejs2/core-js/json/stringify";import _parseFloat from"@babel/runtime-corejs2/core-js/parse-float";import _parseInt from"@babel/runtime-corejs2/core-js/parse-int";import _Object$keys from"@babel/runtime-corejs2/core-js/object/keys";import _WeakMap from"@babel/runtime-corejs2/core-js/weak-map";import _Number$MAX_SAFE_INTEGER from"@babel/runtime-corejs2/core-js/number/max-safe-integer";import _Map from"@babel/runtime-corejs2/core-js/map";import _Object$freeze from"@babel/runtime-corejs2/core-js/object/freeze";import _Promise from"@babel/runtime-corejs2/core-js/promise";import _Array$from from"@babel/runtime-corejs2/core-js/array/from";// Polyfills
if(_Number$EPSILON===undefined){Number.EPSILON=Math.pow(2,-52);}if(_Number$isInteger===undefined){// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger
Number.isInteger=function(value){return typeof value==='number'&&isFinite(value)&&Math.floor(value)===value;};}//
if(Math.sign===undefined){// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign
Math.sign=function(x){return x<0?-1:x>0?1:+x;};}if('name'in Function.prototype===false){// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
_Object$defineProperty(Function.prototype,'name',{get:function get(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1];}});}if(_Object$assign===undefined){// Missing in IE
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
Object.assign=function(target){if(target===undefined||target===null){throw new TypeError('Cannot convert undefined or null to object');}var output=Object(target);for(var index=1;index<arguments.length;index++){var source=arguments[index];if(source!==undefined&&source!==null){for(var nextKey in source){if(Object.prototype.hasOwnProperty.call(source,nextKey)){output[nextKey]=source[nextKey];}}}}return output;};}var REVISION='120dev';var MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2};var TOUCH={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3};var CullFaceNone=0;var CullFaceBack=1;var CullFaceFront=2;var CullFaceFrontBack=3;var BasicShadowMap=0;var PCFShadowMap=1;var PCFSoftShadowMap=2;var VSMShadowMap=3;var FrontSide=0;var BackSide=1;var DoubleSide=2;var FlatShading=1;var SmoothShading=2;var NoBlending=0;var NormalBlending=1;var AdditiveBlending=2;var SubtractiveBlending=3;var MultiplyBlending=4;var CustomBlending=5;var AddEquation=100;var SubtractEquation=101;var ReverseSubtractEquation=102;var MinEquation=103;var MaxEquation=104;var ZeroFactor=200;var OneFactor=201;var SrcColorFactor=202;var OneMinusSrcColorFactor=203;var SrcAlphaFactor=204;var OneMinusSrcAlphaFactor=205;var DstAlphaFactor=206;var OneMinusDstAlphaFactor=207;var DstColorFactor=208;var OneMinusDstColorFactor=209;var SrcAlphaSaturateFactor=210;var NeverDepth=0;var AlwaysDepth=1;var LessDepth=2;var LessEqualDepth=3;var EqualDepth=4;var GreaterEqualDepth=5;var GreaterDepth=6;var NotEqualDepth=7;var MultiplyOperation=0;var MixOperation=1;var AddOperation=2;var NoToneMapping=0;var LinearToneMapping=1;var ReinhardToneMapping=2;var CineonToneMapping=3;var ACESFilmicToneMapping=4;var CustomToneMapping=5;var UVMapping=300;var CubeReflectionMapping=301;var CubeRefractionMapping=302;var EquirectangularReflectionMapping=303;var EquirectangularRefractionMapping=304;var CubeUVReflectionMapping=306;var CubeUVRefractionMapping=307;var RepeatWrapping=1000;var ClampToEdgeWrapping=1001;var MirroredRepeatWrapping=1002;var NearestFilter=1003;var NearestMipmapNearestFilter=1004;var NearestMipMapNearestFilter=1004;var NearestMipmapLinearFilter=1005;var NearestMipMapLinearFilter=1005;var LinearFilter=1006;var LinearMipmapNearestFilter=1007;var LinearMipMapNearestFilter=1007;var LinearMipmapLinearFilter=1008;var LinearMipMapLinearFilter=1008;var UnsignedByteType=1009;var ByteType=1010;var ShortType=1011;var UnsignedShortType=1012;var IntType=1013;var UnsignedIntType=1014;var FloatType=1015;var HalfFloatType=1016;var UnsignedShort4444Type=1017;var UnsignedShort5551Type=1018;var UnsignedShort565Type=1019;var UnsignedInt248Type=1020;var AlphaFormat=1021;var RGBFormat=1022;var RGBAFormat=1023;var LuminanceFormat=1024;var LuminanceAlphaFormat=1025;var RGBEFormat=RGBAFormat;var DepthFormat=1026;var DepthStencilFormat=1027;var RedFormat=1028;var RedIntegerFormat=1029;var RGFormat=1030;var RGIntegerFormat=1031;var RGBIntegerFormat=1032;var RGBAIntegerFormat=1033;var RGB_S3TC_DXT1_Format=33776;var RGBA_S3TC_DXT1_Format=33777;var RGBA_S3TC_DXT3_Format=33778;var RGBA_S3TC_DXT5_Format=33779;var RGB_PVRTC_4BPPV1_Format=35840;var RGB_PVRTC_2BPPV1_Format=35841;var RGBA_PVRTC_4BPPV1_Format=35842;var RGBA_PVRTC_2BPPV1_Format=35843;var RGB_ETC1_Format=36196;var RGB_ETC2_Format=37492;var RGBA_ETC2_EAC_Format=37496;var RGBA_ASTC_4x4_Format=37808;var RGBA_ASTC_5x4_Format=37809;var RGBA_ASTC_5x5_Format=37810;var RGBA_ASTC_6x5_Format=37811;var RGBA_ASTC_6x6_Format=37812;var RGBA_ASTC_8x5_Format=37813;var RGBA_ASTC_8x6_Format=37814;var RGBA_ASTC_8x8_Format=37815;var RGBA_ASTC_10x5_Format=37816;var RGBA_ASTC_10x6_Format=37817;var RGBA_ASTC_10x8_Format=37818;var RGBA_ASTC_10x10_Format=37819;var RGBA_ASTC_12x10_Format=37820;var RGBA_ASTC_12x12_Format=37821;var RGBA_BPTC_Format=36492;var SRGB8_ALPHA8_ASTC_4x4_Format=37840;var SRGB8_ALPHA8_ASTC_5x4_Format=37841;var SRGB8_ALPHA8_ASTC_5x5_Format=37842;var SRGB8_ALPHA8_ASTC_6x5_Format=37843;var SRGB8_ALPHA8_ASTC_6x6_Format=37844;var SRGB8_ALPHA8_ASTC_8x5_Format=37845;var SRGB8_ALPHA8_ASTC_8x6_Format=37846;var SRGB8_ALPHA8_ASTC_8x8_Format=37847;var SRGB8_ALPHA8_ASTC_10x5_Format=37848;var SRGB8_ALPHA8_ASTC_10x6_Format=37849;var SRGB8_ALPHA8_ASTC_10x8_Format=37850;var SRGB8_ALPHA8_ASTC_10x10_Format=37851;var SRGB8_ALPHA8_ASTC_12x10_Format=37852;var SRGB8_ALPHA8_ASTC_12x12_Format=37853;var LoopOnce=2200;var LoopRepeat=2201;var LoopPingPong=2202;var InterpolateDiscrete=2300;var InterpolateLinear=2301;var InterpolateSmooth=2302;var ZeroCurvatureEnding=2400;var ZeroSlopeEnding=2401;var WrapAroundEnding=2402;var NormalAnimationBlendMode=2500;var AdditiveAnimationBlendMode=2501;var TrianglesDrawMode=0;var TriangleStripDrawMode=1;var TriangleFanDrawMode=2;var LinearEncoding=3000;var sRGBEncoding=3001;var GammaEncoding=3007;var RGBEEncoding=3002;var LogLuvEncoding=3003;var RGBM7Encoding=3004;var RGBM16Encoding=3005;var RGBDEncoding=3006;var BasicDepthPacking=3200;var RGBADepthPacking=3201;var TangentSpaceNormalMap=0;var ObjectSpaceNormalMap=1;var ZeroStencilOp=0;var KeepStencilOp=7680;var ReplaceStencilOp=7681;var IncrementStencilOp=7682;var DecrementStencilOp=7683;var IncrementWrapStencilOp=34055;var DecrementWrapStencilOp=34056;var InvertStencilOp=5386;var NeverStencilFunc=512;var LessStencilFunc=513;var EqualStencilFunc=514;var LessEqualStencilFunc=515;var GreaterStencilFunc=516;var NotEqualStencilFunc=517;var GreaterEqualStencilFunc=518;var AlwaysStencilFunc=519;var StaticDrawUsage=35044;var DynamicDrawUsage=35048;var StreamDrawUsage=35040;var StaticReadUsage=35045;var DynamicReadUsage=35049;var StreamReadUsage=35041;var StaticCopyUsage=35046;var DynamicCopyUsage=35050;var StreamCopyUsage=35042;var GLSL1="100";var GLSL3="300 es";/**
 * https://github.com/mrdoob/eventdispatcher.js/
 */function EventDispatcher(){}_Object$assign(EventDispatcher.prototype,{addEventListener:function addEventListener(type,listener){if(this._listeners===undefined)this._listeners={};var listeners=this._listeners;if(listeners[type]===undefined){listeners[type]=[];}if(listeners[type].indexOf(listener)===-1){listeners[type].push(listener);}},hasEventListener:function hasEventListener(type,listener){if(this._listeners===undefined)return false;var listeners=this._listeners;return listeners[type]!==undefined&&listeners[type].indexOf(listener)!==-1;},removeEventListener:function removeEventListener(type,listener){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[type];if(listenerArray!==undefined){var index=listenerArray.indexOf(listener);if(index!==-1){listenerArray.splice(index,1);}}},dispatchEvent:function dispatchEvent(event){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[event.type];if(listenerArray!==undefined){event.target=this;// Make a copy, in case listeners are removed while iterating.
var array=listenerArray.slice(0);for(var i=0,l=array.length;i<l;i++){array[i].call(this,event);}}}});var _lut=[];for(var i=0;i<256;i++){_lut[i]=(i<16?'0':'')+i.toString(16);}var _seed=1234567;var MathUtils={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function generateUUID(){// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136
var d0=Math.random()*0xffffffff|0;var d1=Math.random()*0xffffffff|0;var d2=Math.random()*0xffffffff|0;var d3=Math.random()*0xffffffff|0;var uuid=_lut[d0&0xff]+_lut[d0>>8&0xff]+_lut[d0>>16&0xff]+_lut[d0>>24&0xff]+'-'+_lut[d1&0xff]+_lut[d1>>8&0xff]+'-'+_lut[d1>>16&0x0f|0x40]+_lut[d1>>24&0xff]+'-'+_lut[d2&0x3f|0x80]+_lut[d2>>8&0xff]+'-'+_lut[d2>>16&0xff]+_lut[d2>>24&0xff]+_lut[d3&0xff]+_lut[d3>>8&0xff]+_lut[d3>>16&0xff]+_lut[d3>>24&0xff];// .toUpperCase() here flattens concatenated strings to save heap memory space.
return uuid.toUpperCase();},clamp:function clamp(value,min,max){return Math.max(min,Math.min(max,value));},// compute euclidian modulo of m % n
// https://en.wikipedia.org/wiki/Modulo_operation
euclideanModulo:function euclideanModulo(n,m){return(n%m+m)%m;},// Linear mapping from range <a1, a2> to range <b1, b2>
mapLinear:function mapLinear(x,a1,a2,b1,b2){return b1+(x-a1)*(b2-b1)/(a2-a1);},// https://en.wikipedia.org/wiki/Linear_interpolation
lerp:function lerp(x,y,t){return(1-t)*x+t*y;},// http://en.wikipedia.org/wiki/Smoothstep
smoothstep:function smoothstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*(3-2*x);},smootherstep:function smootherstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*x*(x*(x*6-15)+10);},// Random integer from <low, high> interval
randInt:function randInt(low,high){return low+Math.floor(Math.random()*(high-low+1));},// Random float from <low, high> interval
randFloat:function randFloat(low,high){return low+Math.random()*(high-low);},// Random float from <-range/2, range/2> interval
randFloatSpread:function randFloatSpread(range){return range*(0.5-Math.random());},// Deterministic pseudo-random float in the interval [ 0, 1 ]
seededRandom:function seededRandom(s){if(s!==undefined)_seed=s%2147483647;// Park-Miller algorithm
_seed=_seed*16807%2147483647;return(_seed-1)/2147483646;},degToRad:function degToRad(degrees){return degrees*MathUtils.DEG2RAD;},radToDeg:function radToDeg(radians){return radians*MathUtils.RAD2DEG;},isPowerOfTwo:function isPowerOfTwo(value){return(value&value-1)===0&&value!==0;},ceilPowerOfTwo:function ceilPowerOfTwo(value){return Math.pow(2,Math.ceil(Math.log(value)/Math.LN2));},floorPowerOfTwo:function floorPowerOfTwo(value){return Math.pow(2,Math.floor(Math.log(value)/Math.LN2));},setQuaternionFromProperEuler:function setQuaternionFromProperEuler(q,a,b,c,order){// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles
// rotations are applied to the axes in the order specified by 'order'
// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'
// angles are in radians
var cos=Math.cos;var sin=Math.sin;var c2=cos(b/2);var s2=sin(b/2);var c13=cos((a+c)/2);var s13=sin((a+c)/2);var c1_3=cos((a-c)/2);var s1_3=sin((a-c)/2);var c3_1=cos((c-a)/2);var s3_1=sin((c-a)/2);switch(order){case'XYX':q.set(c2*s13,s2*c1_3,s2*s1_3,c2*c13);break;case'YZY':q.set(s2*s1_3,c2*s13,s2*c1_3,c2*c13);break;case'ZXZ':q.set(s2*c1_3,s2*s1_3,c2*s13,c2*c13);break;case'XZX':q.set(c2*s13,s2*s3_1,s2*c3_1,c2*c13);break;case'YXY':q.set(s2*c3_1,c2*s13,s2*s3_1,c2*c13);break;case'ZYZ':q.set(s2*s3_1,s2*c3_1,c2*s13,c2*c13);break;default:console.warn('THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: '+order);}}};var Vector2=/*#__PURE__*/function(){function Vector2(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,Vector2);this.x=x;this.y=y;}_createClass(Vector2,[{key:"width",get:function get(){return this.x;},set:function set(value){this.x=value;}},{key:"height",get:function get(){return this.y;},set:function set(value){this.y=value;}},{key:"set",value:function set(x,y){this.x=x;this.y=y;return this;}},{key:"setScalar",value:function setScalar(scalar){this.x=scalar;this.y=scalar;return this;}},{key:"setX",value:function setX(x){this.x=x;return this;}},{key:"setY",value:function setY(y){this.y=y;return this;}},{key:"setComponent",value:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;default:throw new Error('index is out of range: '+index);}return this;}},{key:"getComponent",value:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;default:throw new Error('index is out of range: '+index);}}},{key:"clone",value:function clone(){return new this.constructor(this.x,this.y);}},{key:"copy",value:function copy(v){this.x=v.x;this.y=v.y;return this;}},{key:"add",value:function add(v,w){if(w!==undefined){console.warn('THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}this.x+=v.x;this.y+=v.y;return this;}},{key:"addScalar",value:function addScalar(s){this.x+=s;this.y+=s;return this;}},{key:"addVectors",value:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this;}},{key:"addScaledVector",value:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;return this;}},{key:"sub",value:function sub(v,w){if(w!==undefined){console.warn('THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}this.x-=v.x;this.y-=v.y;return this;}},{key:"subScalar",value:function subScalar(s){this.x-=s;this.y-=s;return this;}},{key:"subVectors",value:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this;}},{key:"multiply",value:function multiply(v){this.x*=v.x;this.y*=v.y;return this;}},{key:"multiplyScalar",value:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;return this;}},{key:"divide",value:function divide(v){this.x/=v.x;this.y/=v.y;return this;}},{key:"divideScalar",value:function divideScalar(scalar){return this.multiplyScalar(1/scalar);}},{key:"applyMatrix3",value:function applyMatrix3(m){var x=this.x,y=this.y;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6];this.y=e[1]*x+e[4]*y+e[7];return this;}},{key:"min",value:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);return this;}},{key:"max",value:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);return this;}},{key:"clamp",value:function clamp(min,max){// assumes min < max, componentwise
this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));return this;}},{key:"clampScalar",value:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));return this;}},{key:"clampLength",value:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));}},{key:"floor",value:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this;}},{key:"ceil",value:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this;}},{key:"round",value:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this;}},{key:"roundToZero",value:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);return this;}},{key:"negate",value:function negate(){this.x=-this.x;this.y=-this.y;return this;}},{key:"dot",value:function dot(v){return this.x*v.x+this.y*v.y;}},{key:"cross",value:function cross(v){return this.x*v.y-this.y*v.x;}},{key:"lengthSq",value:function lengthSq(){return this.x*this.x+this.y*this.y;}},{key:"length",value:function length(){return Math.sqrt(this.x*this.x+this.y*this.y);}},{key:"manhattanLength",value:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y);}},{key:"normalize",value:function normalize(){return this.divideScalar(this.length()||1);}},{key:"angle",value:function angle(){// computes the angle in radians with respect to the positive x-axis
var angle=Math.atan2(-this.y,-this.x)+Math.PI;return angle;}},{key:"distanceTo",value:function distanceTo(v){return Math.sqrt(this.distanceToSquared(v));}},{key:"distanceToSquared",value:function distanceToSquared(v){var dx=this.x-v.x,dy=this.y-v.y;return dx*dx+dy*dy;}},{key:"manhattanDistanceTo",value:function manhattanDistanceTo(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y);}},{key:"setLength",value:function setLength(length){return this.normalize().multiplyScalar(length);}},{key:"lerp",value:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;return this;}},{key:"lerpVectors",value:function lerpVectors(v1,v2,alpha){this.x=v1.x+(v2.x-v1.x)*alpha;this.y=v1.y+(v2.y-v1.y)*alpha;return this;}},{key:"equals",value:function equals(v){return v.x===this.x&&v.y===this.y;}},{key:"fromArray",value:function fromArray(array,offset){if(offset===undefined)offset=0;this.x=array[offset];this.y=array[offset+1];return this;}},{key:"toArray",value:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this.x;array[offset+1]=this.y;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index,offset){if(offset!==undefined){console.warn('THREE.Vector2: offset has been removed from .fromBufferAttribute().');}this.x=attribute.getX(index);this.y=attribute.getY(index);return this;}},{key:"rotateAround",value:function rotateAround(center,angle){var c=Math.cos(angle),s=Math.sin(angle);var x=this.x-center.x;var y=this.y-center.y;this.x=x*c-y*s+center.x;this.y=x*s+y*c+center.y;return this;}},{key:"random",value:function random(){this.x=Math.random();this.y=Math.random();return this;}}]);return Vector2;}();Vector2.prototype.isVector2=true;var Matrix3=/*#__PURE__*/function(){function Matrix3(){_classCallCheck(this,Matrix3);this.elements=[1,0,0,0,1,0,0,0,1];if(arguments.length>0){console.error('THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.');}}_createClass(Matrix3,[{key:"set",value:function set(n11,n12,n13,n21,n22,n23,n31,n32,n33){var te=this.elements;te[0]=n11;te[1]=n21;te[2]=n31;te[3]=n12;te[4]=n22;te[5]=n32;te[6]=n13;te[7]=n23;te[8]=n33;return this;}},{key:"identity",value:function identity(){this.set(1,0,0,0,1,0,0,0,1);return this;}},{key:"clone",value:function clone(){return new this.constructor().fromArray(this.elements);}},{key:"copy",value:function copy(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];return this;}},{key:"extractBasis",value:function extractBasis(xAxis,yAxis,zAxis){xAxis.setFromMatrix3Column(this,0);yAxis.setFromMatrix3Column(this,1);zAxis.setFromMatrix3Column(this,2);return this;}},{key:"setFromMatrix4",value:function setFromMatrix4(m){var me=m.elements;this.set(me[0],me[4],me[8],me[1],me[5],me[9],me[2],me[6],me[10]);return this;}},{key:"multiply",value:function multiply(m){return this.multiplyMatrices(this,m);}},{key:"premultiply",value:function premultiply(m){return this.multiplyMatrices(m,this);}},{key:"multiplyMatrices",value:function multiplyMatrices(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[3],a13=ae[6];var a21=ae[1],a22=ae[4],a23=ae[7];var a31=ae[2],a32=ae[5],a33=ae[8];var b11=be[0],b12=be[3],b13=be[6];var b21=be[1],b22=be[4],b23=be[7];var b31=be[2],b32=be[5],b33=be[8];te[0]=a11*b11+a12*b21+a13*b31;te[3]=a11*b12+a12*b22+a13*b32;te[6]=a11*b13+a12*b23+a13*b33;te[1]=a21*b11+a22*b21+a23*b31;te[4]=a21*b12+a22*b22+a23*b32;te[7]=a21*b13+a22*b23+a23*b33;te[2]=a31*b11+a32*b21+a33*b31;te[5]=a31*b12+a32*b22+a33*b32;te[8]=a31*b13+a32*b23+a33*b33;return this;}},{key:"multiplyScalar",value:function multiplyScalar(s){var te=this.elements;te[0]*=s;te[3]*=s;te[6]*=s;te[1]*=s;te[4]*=s;te[7]*=s;te[2]*=s;te[5]*=s;te[8]*=s;return this;}},{key:"determinant",value:function determinant(){var te=this.elements;var a=te[0],b=te[1],c=te[2],d=te[3],e=te[4],f=te[5],g=te[6],h=te[7],i=te[8];return a*e*i-a*f*h-b*d*i+b*f*g+c*d*h-c*e*g;}},{key:"getInverse",value:function getInverse(matrix,throwOnDegenerate){if(throwOnDegenerate!==undefined){console.warn("THREE.Matrix3: .getInverse() can no longer be configured to throw on degenerate.");}var me=matrix.elements,te=this.elements,n11=me[0],n21=me[1],n31=me[2],n12=me[3],n22=me[4],n32=me[5],n13=me[6],n23=me[7],n33=me[8],t11=n33*n22-n32*n23,t12=n32*n13-n33*n12,t13=n23*n12-n22*n13,det=n11*t11+n21*t12+n31*t13;if(det===0)return this.set(0,0,0,0,0,0,0,0,0);var detInv=1/det;te[0]=t11*detInv;te[1]=(n31*n23-n33*n21)*detInv;te[2]=(n32*n21-n31*n22)*detInv;te[3]=t12*detInv;te[4]=(n33*n11-n31*n13)*detInv;te[5]=(n31*n12-n32*n11)*detInv;te[6]=t13*detInv;te[7]=(n21*n13-n23*n11)*detInv;te[8]=(n22*n11-n21*n12)*detInv;return this;}},{key:"transpose",value:function transpose(){var tmp;var m=this.elements;tmp=m[1];m[1]=m[3];m[3]=tmp;tmp=m[2];m[2]=m[6];m[6]=tmp;tmp=m[5];m[5]=m[7];m[7]=tmp;return this;}},{key:"getNormalMatrix",value:function getNormalMatrix(matrix4){return this.setFromMatrix4(matrix4).getInverse(this).transpose();}},{key:"transposeIntoArray",value:function transposeIntoArray(r){var m=this.elements;r[0]=m[0];r[1]=m[3];r[2]=m[6];r[3]=m[1];r[4]=m[4];r[5]=m[7];r[6]=m[2];r[7]=m[5];r[8]=m[8];return this;}},{key:"setUvTransform",value:function setUvTransform(tx,ty,sx,sy,rotation,cx,cy){var c=Math.cos(rotation);var s=Math.sin(rotation);this.set(sx*c,sx*s,-sx*(c*cx+s*cy)+cx+tx,-sy*s,sy*c,-sy*(-s*cx+c*cy)+cy+ty,0,0,1);}},{key:"scale",value:function scale(sx,sy){var te=this.elements;te[0]*=sx;te[3]*=sx;te[6]*=sx;te[1]*=sy;te[4]*=sy;te[7]*=sy;return this;}},{key:"rotate",value:function rotate(theta){var c=Math.cos(theta);var s=Math.sin(theta);var te=this.elements;var a11=te[0],a12=te[3],a13=te[6];var a21=te[1],a22=te[4],a23=te[7];te[0]=c*a11+s*a21;te[3]=c*a12+s*a22;te[6]=c*a13+s*a23;te[1]=-s*a11+c*a21;te[4]=-s*a12+c*a22;te[7]=-s*a13+c*a23;return this;}},{key:"translate",value:function translate(tx,ty){var te=this.elements;te[0]+=tx*te[2];te[3]+=tx*te[5];te[6]+=tx*te[8];te[1]+=ty*te[2];te[4]+=ty*te[5];te[7]+=ty*te[8];return this;}},{key:"equals",value:function equals(matrix){var te=this.elements;var me=matrix.elements;for(var _i=0;_i<9;_i++){if(te[_i]!==me[_i])return false;}return true;}},{key:"fromArray",value:function fromArray(array,offset){if(offset===undefined)offset=0;for(var _i2=0;_i2<9;_i2++){this.elements[_i2]=array[_i2+offset];}return this;}},{key:"toArray",value:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;var te=this.elements;array[offset]=te[0];array[offset+1]=te[1];array[offset+2]=te[2];array[offset+3]=te[3];array[offset+4]=te[4];array[offset+5]=te[5];array[offset+6]=te[6];array[offset+7]=te[7];array[offset+8]=te[8];return array;}}]);return Matrix3;}();Matrix3.prototype.isMatrix3=true;var _canvas;var ImageUtils={getDataURL:function getDataURL(image){if(/^data:/i.test(image.src)){return image.src;}if(typeof HTMLCanvasElement=='undefined'){return image.src;}var canvas;if(image instanceof HTMLCanvasElement){canvas=image;}else{if(_canvas===undefined)_canvas=document.createElementNS('http://www.w3.org/1999/xhtml','canvas');_canvas.width=image.width;_canvas.height=image.height;var context=_canvas.getContext('2d');if(image instanceof ImageData){context.putImageData(image,0,0);}else{context.drawImage(image,0,0,image.width,image.height);}canvas=_canvas;}if(canvas.width>2048||canvas.height>2048){return canvas.toDataURL('image/jpeg',0.6);}else{return canvas.toDataURL('image/png');}}};var textureId=0;function Texture(image,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding){_Object$defineProperty(this,'id',{value:textureId++});this.uuid=MathUtils.generateUUID();this.name='';this.image=image!==undefined?image:Texture.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=mapping!==undefined?mapping:Texture.DEFAULT_MAPPING;this.wrapS=wrapS!==undefined?wrapS:ClampToEdgeWrapping;this.wrapT=wrapT!==undefined?wrapT:ClampToEdgeWrapping;this.magFilter=magFilter!==undefined?magFilter:LinearFilter;this.minFilter=minFilter!==undefined?minFilter:LinearMipmapLinearFilter;this.anisotropy=anisotropy!==undefined?anisotropy:1;this.format=format!==undefined?format:RGBAFormat;this.internalFormat=null;this.type=type!==undefined?type:UnsignedByteType;this.offset=new Vector2(0,0);this.repeat=new Vector2(1,1);this.center=new Vector2(0,0);this.rotation=0;this.matrixAutoUpdate=true;this.matrix=new Matrix3();this.generateMipmaps=true;this.premultiplyAlpha=false;this.flipY=true;this.unpackAlignment=4;// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)
// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.
//
// Also changing the encoding after already used by a Material will not automatically make the Material
// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.
this.encoding=encoding!==undefined?encoding:LinearEncoding;this.version=0;this.onUpdate=null;}Texture.DEFAULT_IMAGE=undefined;Texture.DEFAULT_MAPPING=UVMapping;Texture.prototype=_Object$assign(_Object$create(EventDispatcher.prototype),{constructor:Texture,isTexture:true,updateMatrix:function updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y);},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(source){this.name=source.name;this.image=source.image;this.mipmaps=source.mipmaps.slice(0);this.mapping=source.mapping;this.wrapS=source.wrapS;this.wrapT=source.wrapT;this.magFilter=source.magFilter;this.minFilter=source.minFilter;this.anisotropy=source.anisotropy;this.format=source.format;this.internalFormat=source.internalFormat;this.type=source.type;this.offset.copy(source.offset);this.repeat.copy(source.repeat);this.center.copy(source.center);this.rotation=source.rotation;this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrix.copy(source.matrix);this.generateMipmaps=source.generateMipmaps;this.premultiplyAlpha=source.premultiplyAlpha;this.flipY=source.flipY;this.unpackAlignment=source.unpackAlignment;this.encoding=source.encoding;return this;},toJSON:function toJSON(meta){var isRootObject=meta===undefined||typeof meta==='string';if(!isRootObject&&meta.textures[this.uuid]!==undefined){return meta.textures[this.uuid];}var output={metadata:{version:4.5,type:'Texture',generator:'Texture.toJSON'},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==undefined){// TODO: Move to THREE.Image
var image=this.image;if(image.uuid===undefined){image.uuid=MathUtils.generateUUID();// UGH
}if(!isRootObject&&meta.images[image.uuid]===undefined){var url;if(_Array$isArray(image)){// process array of images e.g. CubeTexture
url=[];for(var _i3=0,l=image.length;_i3<l;_i3++){url.push(ImageUtils.getDataURL(image[_i3]));}}else{// process single image
url=ImageUtils.getDataURL(image);}meta.images[image.uuid]={uuid:image.uuid,url:url};}output.image=image.uuid;}if(!isRootObject){meta.textures[this.uuid]=output;}return output;},dispose:function dispose(){this.dispatchEvent({type:'dispose'});},transformUv:function transformUv(uv){if(this.mapping!==UVMapping)return uv;uv.applyMatrix3(this.matrix);if(uv.x<0||uv.x>1){switch(this.wrapS){case RepeatWrapping:uv.x=uv.x-Math.floor(uv.x);break;case ClampToEdgeWrapping:uv.x=uv.x<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.x)%2)===1){uv.x=Math.ceil(uv.x)-uv.x;}else{uv.x=uv.x-Math.floor(uv.x);}break;}}if(uv.y<0||uv.y>1){switch(this.wrapT){case RepeatWrapping:uv.y=uv.y-Math.floor(uv.y);break;case ClampToEdgeWrapping:uv.y=uv.y<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.y)%2)===1){uv.y=Math.ceil(uv.y)-uv.y;}else{uv.y=uv.y-Math.floor(uv.y);}break;}}if(this.flipY){uv.y=1-uv.y;}return uv;}});_Object$defineProperty(Texture.prototype,"needsUpdate",{set:function set(value){if(value===true)this.version++;}});var Vector4=/*#__PURE__*/function(){function Vector4(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var w=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,Vector4);this.x=x;this.y=y;this.z=z;this.w=w;}_createClass(Vector4,[{key:"width",get:function get(){return this.z;},set:function set(value){this.z=value;}},{key:"height",get:function get(){return this.w;},set:function set(value){this.w=value;}},{key:"set",value:function set(x,y,z,w){this.x=x;this.y=y;this.z=z;this.w=w;return this;}},{key:"setScalar",value:function setScalar(scalar){this.x=scalar;this.y=scalar;this.z=scalar;this.w=scalar;return this;}},{key:"setX",value:function setX(x){this.x=x;return this;}},{key:"setY",value:function setY(y){this.y=y;return this;}},{key:"setZ",value:function setZ(z){this.z=z;return this;}},{key:"setW",value:function setW(w){this.w=w;return this;}},{key:"setComponent",value:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;case 3:this.w=value;break;default:throw new Error('index is out of range: '+index);}return this;}},{key:"getComponent",value:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error('index is out of range: '+index);}}},{key:"clone",value:function clone(){return new this.constructor(this.x,this.y,this.z,this.w);}},{key:"copy",value:function copy(v){this.x=v.x;this.y=v.y;this.z=v.z;this.w=v.w!==undefined?v.w:1;return this;}},{key:"add",value:function add(v,w){if(w!==undefined){console.warn('THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}this.x+=v.x;this.y+=v.y;this.z+=v.z;this.w+=v.w;return this;}},{key:"addScalar",value:function addScalar(s){this.x+=s;this.y+=s;this.z+=s;this.w+=s;return this;}},{key:"addVectors",value:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this;}},{key:"addScaledVector",value:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;this.w+=v.w*s;return this;}},{key:"sub",value:function sub(v,w){if(w!==undefined){console.warn('THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}this.x-=v.x;this.y-=v.y;this.z-=v.z;this.w-=v.w;return this;}},{key:"subScalar",value:function subScalar(s){this.x-=s;this.y-=s;this.z-=s;this.w-=s;return this;}},{key:"subVectors",value:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this;}},{key:"multiplyScalar",value:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;this.w*=scalar;return this;}},{key:"applyMatrix4",value:function applyMatrix4(m){var x=this.x,y=this.y,z=this.z,w=this.w;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z+e[12]*w;this.y=e[1]*x+e[5]*y+e[9]*z+e[13]*w;this.z=e[2]*x+e[6]*y+e[10]*z+e[14]*w;this.w=e[3]*x+e[7]*y+e[11]*z+e[15]*w;return this;}},{key:"divideScalar",value:function divideScalar(scalar){return this.multiplyScalar(1/scalar);}},{key:"setAxisAngleFromQuaternion",value:function setAxisAngleFromQuaternion(q){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm
// q is assumed to be normalized
this.w=2*Math.acos(q.w);var s=Math.sqrt(1-q.w*q.w);if(s<0.0001){this.x=1;this.y=0;this.z=0;}else{this.x=q.x/s;this.y=q.y/s;this.z=q.z/s;}return this;}},{key:"setAxisAngleFromRotationMatrix",value:function setAxisAngleFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm
// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
var angle,x,y,z;// variables for result
var epsilon=0.01,// margin to allow for rounding errors
epsilon2=0.1,// margin to distinguish between 0 and 180 degrees
te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10];if(Math.abs(m12-m21)<epsilon&&Math.abs(m13-m31)<epsilon&&Math.abs(m23-m32)<epsilon){// singularity found
// first check for identity matrix which must have +1 for all terms
// in leading diagonal and zero in other terms
if(Math.abs(m12+m21)<epsilon2&&Math.abs(m13+m31)<epsilon2&&Math.abs(m23+m32)<epsilon2&&Math.abs(m11+m22+m33-3)<epsilon2){// this singularity is identity matrix so angle = 0
this.set(1,0,0,0);return this;// zero angle, arbitrary axis
}// otherwise this singularity is angle = 180
angle=Math.PI;var xx=(m11+1)/2;var yy=(m22+1)/2;var zz=(m33+1)/2;var xy=(m12+m21)/4;var xz=(m13+m31)/4;var yz=(m23+m32)/4;if(xx>yy&&xx>zz){// m11 is the largest diagonal term
if(xx<epsilon){x=0;y=0.707106781;z=0.707106781;}else{x=Math.sqrt(xx);y=xy/x;z=xz/x;}}else if(yy>zz){// m22 is the largest diagonal term
if(yy<epsilon){x=0.707106781;y=0;z=0.707106781;}else{y=Math.sqrt(yy);x=xy/y;z=yz/y;}}else{// m33 is the largest diagonal term so base result on this
if(zz<epsilon){x=0.707106781;y=0.707106781;z=0;}else{z=Math.sqrt(zz);x=xz/z;y=yz/z;}}this.set(x,y,z,angle);return this;// return 180 deg rotation
}// as we have reached here there are no singularities so we can handle normally
var s=Math.sqrt((m32-m23)*(m32-m23)+(m13-m31)*(m13-m31)+(m21-m12)*(m21-m12));// used to normalize
if(Math.abs(s)<0.001)s=1;// prevent divide by zero, should not happen if matrix is orthogonal and should be
// caught by singularity test above, but I've left it in just in case
this.x=(m32-m23)/s;this.y=(m13-m31)/s;this.z=(m21-m12)/s;this.w=Math.acos((m11+m22+m33-1)/2);return this;}},{key:"min",value:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);this.z=Math.min(this.z,v.z);this.w=Math.min(this.w,v.w);return this;}},{key:"max",value:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);this.z=Math.max(this.z,v.z);this.w=Math.max(this.w,v.w);return this;}},{key:"clamp",value:function clamp(min,max){// assumes min < max, componentwise
this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));this.z=Math.max(min.z,Math.min(max.z,this.z));this.w=Math.max(min.w,Math.min(max.w,this.w));return this;}},{key:"clampScalar",value:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));this.z=Math.max(minVal,Math.min(maxVal,this.z));this.w=Math.max(minVal,Math.min(maxVal,this.w));return this;}},{key:"clampLength",value:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));}},{key:"floor",value:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this;}},{key:"ceil",value:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this;}},{key:"round",value:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);this.w=Math.round(this.w);return this;}},{key:"roundToZero",value:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z);this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w);return this;}},{key:"negate",value:function negate(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this;}},{key:"dot",value:function dot(v){return this.x*v.x+this.y*v.y+this.z*v.z+this.w*v.w;}},{key:"lengthSq",value:function lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w;}},{key:"length",value:function length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);}},{key:"manhattanLength",value:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w);}},{key:"normalize",value:function normalize(){return this.divideScalar(this.length()||1);}},{key:"setLength",value:function setLength(length){return this.normalize().multiplyScalar(length);}},{key:"lerp",value:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;this.z+=(v.z-this.z)*alpha;this.w+=(v.w-this.w)*alpha;return this;}},{key:"lerpVectors",value:function lerpVectors(v1,v2,alpha){this.x=v1.x+(v2.x-v1.x)*alpha;this.y=v1.y+(v2.y-v1.y)*alpha;this.z=v1.z+(v2.z-v1.z)*alpha;this.w=v1.w+(v2.w-v1.w)*alpha;return this;}},{key:"equals",value:function equals(v){return v.x===this.x&&v.y===this.y&&v.z===this.z&&v.w===this.w;}},{key:"fromArray",value:function fromArray(array,offset){if(offset===undefined)offset=0;this.x=array[offset];this.y=array[offset+1];this.z=array[offset+2];this.w=array[offset+3];return this;}},{key:"toArray",value:function toArray(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this.x;array[offset+1]=this.y;array[offset+2]=this.z;array[offset+3]=this.w;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index,offset){if(offset!==undefined){console.warn('THREE.Vector4: offset has been removed from .fromBufferAttribute().');}this.x=attribute.getX(index);this.y=attribute.getY(index);this.z=attribute.getZ(index);this.w=attribute.getW(index);return this;}},{key:"random",value:function random(){this.x=Math.random();this.y=Math.random();this.z=Math.random();this.w=Math.random();return this;}}]);return Vector4;}();Vector4.prototype.isVector4=true;/*
 In options, we can specify:
 * Texture parameters for an auto-generated target texture
 * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers
*/function WebGLRenderTarget(width,height,options){this.width=width;this.height=height;this.scissor=new Vector4(0,0,width,height);this.scissorTest=false;this.viewport=new Vector4(0,0,width,height);options=options||{};this.texture=new Texture(undefined,options.mapping,options.wrapS,options.wrapT,options.magFilter,options.minFilter,options.format,options.type,options.anisotropy,options.encoding);this.texture.image={};this.texture.image.width=width;this.texture.image.height=height;this.texture.generateMipmaps=options.generateMipmaps!==undefined?options.generateMipmaps:false;this.texture.minFilter=options.minFilter!==undefined?options.minFilter:LinearFilter;this.depthBuffer=options.depthBuffer!==undefined?options.depthBuffer:true;this.stencilBuffer=options.stencilBuffer!==undefined?options.stencilBuffer:false;this.depthTexture=options.depthTexture!==undefined?options.depthTexture:null;}WebGLRenderTarget.prototype=_Object$assign(_Object$create(EventDispatcher.prototype),{constructor:WebGLRenderTarget,isWebGLRenderTarget:true,setSize:function setSize(width,height){if(this.width!==width||this.height!==height){this.width=width;this.height=height;this.texture.image.width=width;this.texture.image.height=height;this.dispose();}this.viewport.set(0,0,width,height);this.scissor.set(0,0,width,height);},clone:function clone(){return new this.constructor().copy(this);},copy:function copy(source){this.width=source.width;this.height=source.height;this.viewport.copy(source.viewport);this.texture=source.texture.clone();this.depthBuffer=source.depthBuffer;this.stencilBuffer=source.stencilBuffer;this.depthTexture=source.depthTexture;return this;},dispose:function dispose(){this.dispatchEvent({type:'dispose'});}});function WebGLMultisampleRenderTarget(width,height,options){WebGLRenderTarget.call(this,width,height,options);this.samples=4;}WebGLMultisampleRenderTarget.prototype=_Object$assign(_Object$create(WebGLRenderTarget.prototype),{constructor:WebGLMultisampleRenderTarget,isWebGLMultisampleRenderTarget:true,copy:function copy(source){WebGLRenderTarget.prototype.copy.call(this,source);this.samples=source.samples;return this;}});var Quaternion=/*#__PURE__*/function(){function Quaternion(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var w=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,Quaternion);this._x=x;this._y=y;this._z=z;this._w=w;}_createClass(Quaternion,[{key:"x",get:function get(){return this._x;},set:function set(value){this._x=value;this._onChangeCallback();}},{key:"y",get:function get(){return this._y;},set:function set(value){this._y=value;this._onChangeCallback();}},{key:"z",get:function get(){return this._z;},set:function set(value){this._z=value;this._onChangeCallback();}},{key:"w",get:function get(){return this._w;},set:function set(value){this._w=value;this._onChangeCallback();}},{key:"set",value:function set(x,y,z,w){this._x=x;this._y=y;this._z=z;this._w=w;this._onChangeCallback();return this;}},{key:"clone",value:function clone(){return new this.constructor(this._x,this._y,this._z,this._w);}},{key:"copy",value:function copy(quaternion){this._x=quaternion.x;this._y=quaternion.y;this._z=quaternion.z;this._w=quaternion.w;this._onChangeCallback();return this;}},{key:"setFromEuler",value:function setFromEuler(euler,update){if(!(euler&&euler.isEuler)){throw new Error('THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.');}var x=euler._x,y=euler._y,z=euler._z,order=euler._order;// http://www.mathworks.com/matlabcentral/fileexchange/
// 	20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/
//	content/SpinCalc.m
var cos=Math.cos;var sin=Math.sin;var c1=cos(x/2);var c2=cos(y/2);var c3=cos(z/2);var s1=sin(x/2);var s2=sin(y/2);var s3=sin(z/2);switch(order){case'XYZ':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'YXZ':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;case'ZXY':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'ZYX':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;case'YZX':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'XZY':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;default:console.warn('THREE.Quaternion: .setFromEuler() encountered an unknown order: '+order);}if(update!==false)this._onChangeCallback();return this;}},{key:"setFromAxisAngle",value:function setFromAxisAngle(axis,angle){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
// assumes axis is normalized
var halfAngle=angle/2,s=Math.sin(halfAngle);this._x=axis.x*s;this._y=axis.y*s;this._z=axis.z*s;this._w=Math.cos(halfAngle);this._onChangeCallback();return this;}},{key:"setFromRotationMatrix",value:function setFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
var te=m.elements,m11=te[0],m12=te[4],m13=