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three-onlymath.min.js
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// threejs.org/license
'use strict';var THREE={REVISION:"76"};"function"===typeof define&&define.amd?define("three",THREE):"undefined"!==typeof exports&&"undefined"!==typeof module&&(module.exports=THREE);void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});void 0===Function.prototype.name&&void 0!==Object.defineProperty&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1]}});
void 0===Object.assign&&Object.defineProperty(Object,"assign",{writable:!0,configurable:!0,value:function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert first argument to object");for(var b=Object(a),c=1,d=arguments.length;c!==d;++c){var e=arguments[c];if(void 0!==e&&null!==e)for(var e=Object(e),f=Object.keys(e),g=0,h=f.length;g!==h;++g){var k=f[g],l=Object.getOwnPropertyDescriptor(e,k);void 0!==l&&l.enumerable&&(b[k]=e[k])}}return b}});THREE.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2};
THREE.CullFaceNone=0;THREE.CullFaceBack=1;THREE.CullFaceFront=2;THREE.CullFaceFrontBack=3;THREE.FrontFaceDirectionCW=0;THREE.FrontFaceDirectionCCW=1;THREE.BasicShadowMap=0;THREE.PCFShadowMap=1;THREE.PCFSoftShadowMap=2;THREE.FrontSide=0;THREE.BackSide=1;THREE.DoubleSide=2;THREE.FlatShading=1;THREE.SmoothShading=2;THREE.NoColors=0;THREE.FaceColors=1;THREE.VertexColors=2;THREE.NoBlending=0;THREE.NormalBlending=1;THREE.AdditiveBlending=2;THREE.SubtractiveBlending=3;THREE.MultiplyBlending=4;
THREE.CustomBlending=5;THREE.AddEquation=100;THREE.SubtractEquation=101;THREE.ReverseSubtractEquation=102;THREE.MinEquation=103;THREE.MaxEquation=104;THREE.ZeroFactor=200;THREE.OneFactor=201;THREE.SrcColorFactor=202;THREE.OneMinusSrcColorFactor=203;THREE.SrcAlphaFactor=204;THREE.OneMinusSrcAlphaFactor=205;THREE.DstAlphaFactor=206;THREE.OneMinusDstAlphaFactor=207;THREE.DstColorFactor=208;THREE.OneMinusDstColorFactor=209;THREE.SrcAlphaSaturateFactor=210;THREE.NeverDepth=0;THREE.AlwaysDepth=1;
THREE.LessDepth=2;THREE.LessEqualDepth=3;THREE.EqualDepth=4;THREE.GreaterEqualDepth=5;THREE.GreaterDepth=6;THREE.NotEqualDepth=7;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.AddOperation=2;THREE.NoToneMapping=0;THREE.LinearToneMapping=1;THREE.ReinhardToneMapping=2;THREE.Uncharted2ToneMapping=3;THREE.CineonToneMapping=4;THREE.UVMapping=300;THREE.CubeReflectionMapping=301;THREE.CubeRefractionMapping=302;THREE.EquirectangularReflectionMapping=303;THREE.EquirectangularRefractionMapping=304;
THREE.SphericalReflectionMapping=305;THREE.CubeUVReflectionMapping=306;THREE.CubeUVRefractionMapping=307;THREE.RepeatWrapping=1E3;THREE.ClampToEdgeWrapping=1001;THREE.MirroredRepeatWrapping=1002;THREE.NearestFilter=1003;THREE.NearestMipMapNearestFilter=1004;THREE.NearestMipMapLinearFilter=1005;THREE.LinearFilter=1006;THREE.LinearMipMapNearestFilter=1007;THREE.LinearMipMapLinearFilter=1008;THREE.UnsignedByteType=1009;THREE.ByteType=1010;THREE.ShortType=1011;THREE.UnsignedShortType=1012;
THREE.IntType=1013;THREE.UnsignedIntType=1014;THREE.FloatType=1015;THREE.HalfFloatType=1025;THREE.UnsignedShort4444Type=1016;THREE.UnsignedShort5551Type=1017;THREE.UnsignedShort565Type=1018;THREE.AlphaFormat=1019;THREE.RGBFormat=1020;THREE.RGBAFormat=1021;THREE.LuminanceFormat=1022;THREE.LuminanceAlphaFormat=1023;THREE.RGBEFormat=THREE.RGBAFormat;THREE.DepthFormat=1026;THREE.RGB_S3TC_DXT1_Format=2001;THREE.RGBA_S3TC_DXT1_Format=2002;THREE.RGBA_S3TC_DXT3_Format=2003;THREE.RGBA_S3TC_DXT5_Format=2004;
THREE.RGB_PVRTC_4BPPV1_Format=2100;THREE.RGB_PVRTC_2BPPV1_Format=2101;THREE.RGBA_PVRTC_4BPPV1_Format=2102;THREE.RGBA_PVRTC_2BPPV1_Format=2103;THREE.RGB_ETC1_Format=2151;THREE.LoopOnce=2200;THREE.LoopRepeat=2201;THREE.LoopPingPong=2202;THREE.InterpolateDiscrete=2300;THREE.InterpolateLinear=2301;THREE.InterpolateSmooth=2302;THREE.ZeroCurvatureEnding=2400;THREE.ZeroSlopeEnding=2401;THREE.WrapAroundEnding=2402;THREE.TrianglesDrawMode=0;THREE.TriangleStripDrawMode=1;THREE.TriangleFanDrawMode=2;
THREE.LinearEncoding=3E3;THREE.sRGBEncoding=3001;THREE.GammaEncoding=3007;THREE.RGBEEncoding=3002;THREE.LogLuvEncoding=3003;THREE.RGBM7Encoding=3004;THREE.RGBM16Encoding=3005;THREE.RGBDEncoding=3006;THREE.BasicDepthPacking=3200;THREE.RGBADepthPacking=3201;THREE.Color=function(a){return 3===arguments.length?this.fromArray(arguments):this.set(a)};
THREE.Color.prototype={constructor:THREE.Color,r:1,g:1,b:1,set:function(a){a instanceof THREE.Color?this.copy(a):"number"===typeof a?this.setHex(a):"string"===typeof a&&this.setStyle(a);return this},setScalar:function(a){this.b=this.g=this.r=a},setHex:function(a){a=Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},setRGB:function(a,b,c){this.r=a;this.g=b;this.b=c;return this},setHSL:function(){function a(a,c,d){0>d&&(d+=1);1<d&&(d-=1);return d<1/6?a+6*(c-a)*
d:.5>d?c:d<2/3?a+6*(c-a)*(2/3-d):a}return function(b,c,d){b=THREE.Math.euclideanModulo(b,1);c=THREE.Math.clamp(c,0,1);d=THREE.Math.clamp(d,0,1);0===c?this.r=this.g=this.b=d:(c=.5>=d?d*(1+c):d+c-d*c,d=2*d-c,this.r=a(d,c,b+1/3),this.g=a(d,c,b),this.b=a(d,c,b-1/3));return this}}(),setStyle:function(a){function b(b){void 0!==b&&1>parseFloat(b)&&console.warn("THREE.Color: Alpha component of "+a+" will be ignored.")}var c;if(c=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(a)){var d=c[2];switch(c[1]){case "rgb":case "rgba":if(c=
/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d))return this.r=Math.min(255,parseInt(c[1],10))/255,this.g=Math.min(255,parseInt(c[2],10))/255,this.b=Math.min(255,parseInt(c[3],10))/255,b(c[5]),this;if(c=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d))return this.r=Math.min(100,parseInt(c[1],10))/100,this.g=Math.min(100,parseInt(c[2],10))/100,this.b=Math.min(100,parseInt(c[3],10))/100,b(c[5]),this;break;case "hsl":case "hsla":if(c=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(d)){var d=
parseFloat(c[1])/360,e=parseInt(c[2],10)/100,f=parseInt(c[3],10)/100;b(c[5]);return this.setHSL(d,e,f)}}}else if(c=/^\#([A-Fa-f0-9]+)$/.exec(a)){c=c[1];d=c.length;if(3===d)return this.r=parseInt(c.charAt(0)+c.charAt(0),16)/255,this.g=parseInt(c.charAt(1)+c.charAt(1),16)/255,this.b=parseInt(c.charAt(2)+c.charAt(2),16)/255,this;if(6===d)return this.r=parseInt(c.charAt(0)+c.charAt(1),16)/255,this.g=parseInt(c.charAt(2)+c.charAt(3),16)/255,this.b=parseInt(c.charAt(4)+c.charAt(5),16)/255,this}a&&0<a.length&&
(c=THREE.ColorKeywords[a],void 0!==c?this.setHex(c):console.warn("THREE.Color: Unknown color "+a));return this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(a){this.r=a.r;this.g=a.g;this.b=a.b;return this},copyGammaToLinear:function(a,b){void 0===b&&(b=2);this.r=Math.pow(a.r,b);this.g=Math.pow(a.g,b);this.b=Math.pow(a.b,b);return this},copyLinearToGamma:function(a,b){void 0===b&&(b=2);var c=0<b?1/b:1;this.r=Math.pow(a.r,c);this.g=Math.pow(a.g,c);this.b=Math.pow(a.b,
c);return this},convertGammaToLinear:function(){var a=this.r,b=this.g,c=this.b;this.r=a*a;this.g=b*b;this.b=c*c;return this},convertLinearToGamma:function(){this.r=Math.sqrt(this.r);this.g=Math.sqrt(this.g);this.b=Math.sqrt(this.b);return this},getHex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},getHexString:function(){return("000000"+this.getHex().toString(16)).slice(-6)},getHSL:function(a){a=a||{h:0,s:0,l:0};var b=this.r,c=this.g,d=this.b,e=Math.max(b,c,d),f=Math.min(b,c,d),g,h=
(f+e)/2;if(f===e)f=g=0;else{var k=e-f,f=.5>=h?k/(e+f):k/(2-e-f);switch(e){case b:g=(c-d)/k+(c<d?6:0);break;case c:g=(d-b)/k+2;break;case d:g=(b-c)/k+4}g/=6}a.h=g;a.s=f;a.l=h;return a},getStyle:function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"},offsetHSL:function(a,b,c){var d=this.getHSL();d.h+=a;d.s+=b;d.l+=c;this.setHSL(d.h,d.s,d.l);return this},add:function(a){this.r+=a.r;this.g+=a.g;this.b+=a.b;return this},addColors:function(a,b){this.r=a.r+b.r;this.g=a.g+b.g;this.b=
a.b+b.b;return this},addScalar:function(a){this.r+=a;this.g+=a;this.b+=a;return this},multiply:function(a){this.r*=a.r;this.g*=a.g;this.b*=a.b;return this},multiplyScalar:function(a){this.r*=a;this.g*=a;this.b*=a;return this},lerp:function(a,b){this.r+=(a.r-this.r)*b;this.g+=(a.g-this.g)*b;this.b+=(a.b-this.b)*b;return this},equals:function(a){return a.r===this.r&&a.g===this.g&&a.b===this.b},fromArray:function(a,b){void 0===b&&(b=0);this.r=a[b];this.g=a[b+1];this.b=a[b+2];return this},toArray:function(a,
b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.r;a[b+1]=this.g;a[b+2]=this.b;return a}};
THREE.ColorKeywords={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,
darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,
grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,
lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,
palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,
tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074};THREE.Quaternion=function(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._w=void 0!==d?d:1};
THREE.Quaternion.prototype={constructor:THREE.Quaternion,get x(){return this._x},set x(a){this._x=a;this.onChangeCallback()},get y(){return this._y},set y(a){this._y=a;this.onChangeCallback()},get z(){return this._z},set z(a){this._z=a;this.onChangeCallback()},get w(){return this._w},set w(a){this._w=a;this.onChangeCallback()},set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this.onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},
copy:function(a){this._x=a.x;this._y=a.y;this._z=a.z;this._w=a.w;this.onChangeCallback();return this},setFromEuler:function(a,b){if(!1===a instanceof THREE.Euler)throw Error("THREE.Quaternion: .setFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var c=Math.cos(a._x/2),d=Math.cos(a._y/2),e=Math.cos(a._z/2),f=Math.sin(a._x/2),g=Math.sin(a._y/2),h=Math.sin(a._z/2),k=a.order;"XYZ"===k?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"YXZ"===
k?(this._x=f*d*e+c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"ZXY"===k?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e-f*g*h):"ZYX"===k?(this._x=f*d*e-c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e+f*g*h):"YZX"===k?(this._x=f*d*e+c*g*h,this._y=c*g*e+f*d*h,this._z=c*d*h-f*g*e,this._w=c*d*e-f*g*h):"XZY"===k&&(this._x=f*d*e-c*g*h,this._y=c*g*e-f*d*h,this._z=c*d*h+f*g*e,this._w=c*d*e+f*g*h);if(!1!==b)this.onChangeCallback();return this},setFromAxisAngle:function(a,
b){var c=b/2,d=Math.sin(c);this._x=a.x*d;this._y=a.y*d;this._z=a.z*d;this._w=Math.cos(c);this.onChangeCallback();return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6],b=b[10],l=c+f+b;0<l?(c=.5/Math.sqrt(l+1),this._w=.25/c,this._x=(k-g)*c,this._y=(d-h)*c,this._z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=
.25*c,this._z=(g+k)/c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this.onChangeCallback();return this},setFromUnitVectors:function(){var a,b;return function(c,d){void 0===a&&(a=new THREE.Vector3);b=c.dot(d)+1;1E-6>b?(b=0,Math.abs(c.x)>Math.abs(c.z)?a.set(-c.y,c.x,0):a.set(0,-c.z,c.y)):a.crossVectors(c,d);this._x=a.x;this._y=a.y;this._z=a.z;this._w=b;this.normalize();return this}}(),inverse:function(){this.conjugate().normalize();return this},conjugate:function(){this._x*=
-1;this._y*=-1;this._z*=-1;this.onChangeCallback();return this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var a=this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this.onChangeCallback();return this},
multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z,f=a._w,g=b._x,h=b._y,k=b._z,l=b._w;this._x=c*l+f*g+d*k-e*h;this._y=d*l+f*h+e*g-c*k;this._z=e*l+f*k+c*h-d*g;this._w=f*l-c*g-d*h-e*k;this.onChangeCallback();return this},slerp:function(a,b){if(0===b)return this;if(1===
b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;var h=Math.sqrt(1-g*g);if(.001>Math.abs(h))return this._w=.5*(f+this._w),this._x=.5*(c+this._x),this._y=.5*(d+this._y),this._z=.5*(e+this._z),this;var k=Math.atan2(h,g),g=Math.sin((1-b)*k)/h,h=Math.sin(b*k)/h;this._w=f*g+this._w*h;this._x=c*g+this._x*h;this._y=d*g+
this._y*h;this._z=e*g+this._z*h;this.onChangeCallback();return this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3];this.onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._w;return a},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}};
Object.assign(THREE.Quaternion,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpFlat:function(a,b,c,d,e,f,g){var h=c[d+0],k=c[d+1],l=c[d+2];c=c[d+3];d=e[f+0];var m=e[f+1],n=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==m||l!==n){f=1-g;var p=h*d+k*m+l*n+c*e,q=0<=p?1:-1,s=1-p*p;s>Number.EPSILON&&(s=Math.sqrt(s),p=Math.atan2(s,p*q),f=Math.sin(f*p)/s,g=Math.sin(g*p)/s);q*=g;h=h*f+d*q;k=k*f+m*q;l=l*f+n*q;c=c*f+e*q;f===1-g&&(g=1/Math.sqrt(h*h+k*k+l*l+c*c),h*=g,k*=g,l*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=l;
a[b+3]=c}});THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
THREE.Vector2.prototype={constructor:THREE.Vector2,get width(){return this.x},set width(a){this.x=a},get height(){return this.y},set height(a){this.y=a},set:function(a,b){this.x=a;this.y=b;return this},setScalar:function(a){this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;default:throw Error("index is out of range: "+a);}},getComponent:function(a){switch(a){case 0:return this.x;
case 1:return this.y;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;return this},addScalar:function(a){this.x+=a;this.y+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},
addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;return this},subScalar:function(a){this.x-=a;this.y-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},multiply:function(a){this.x*=a.x;this.y*=a.y;return this},multiplyScalar:function(a){isFinite(a)?(this.x*=a,
this.y*=a):this.y=this.x=0;return this},divide:function(a){this.x/=a.x;this.y/=a.y;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));return this},clampScalar:function(){var a,b;return function(c,d){void 0===
a&&(a=new THREE.Vector2,b=new THREE.Vector2);a.set(c,c);b.set(d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();this.multiplyScalar(Math.max(a,Math.min(b,c))/c);return this},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):
Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length())},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=
2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){this.subVectors(b,a).multiplyScalar(c).add(a);return this},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];
this.y=a[b+1];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromAttribute:function(a,b,c){void 0===c&&(c=0);b=b*a.itemSize+c;this.x=a.array[b];this.y=a.array[b+1];return this},rotateAround:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=this.x-a.x,f=this.y-a.y;this.x=e*c-f*d+a.x;this.y=e*d+f*c+a.y;return this}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+a);}},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;
case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},addVectors:function(a,
b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},
multiply:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){isFinite(a)?(this.x*=a,this.y*=a,this.z*=a):this.z=this.y=this.x=0;return this},multiplyVectors:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},applyEuler:function(){var a;return function(b){!1===b instanceof THREE.Euler&&
console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");void 0===a&&(a=new THREE.Quaternion);this.applyQuaternion(a.setFromEuler(b));return this}}(),applyAxisAngle:function(){var a;return function(b,c){void 0===a&&(a=new THREE.Quaternion);this.applyQuaternion(a.setFromAxisAngle(b,c));return this}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*
d;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12];this.y=a[1]*b+a[5]*c+a[9]*d+a[13];this.z=a[2]*b+a[6]*c+a[10]*d+a[14];return this},applyProjection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;var e=1/(a[3]*b+a[7]*c+a[11]*d+a[15]);this.x=(a[0]*b+a[4]*c+a[8]*d+a[12])*e;this.y=(a[1]*b+a[5]*c+a[9]*d+a[13])*e;this.z=(a[2]*b+a[6]*c+a[10]*d+a[14])*e;return this},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,
f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,l=a*d+e*c-f*b,b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g-l*-f;this.y=k*a+b*-f+l*-e-h*-g;this.z=l*a+b*-g+h*-f-k*-e;return this},project:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.multiplyMatrices(b.projectionMatrix,a.getInverse(b.matrixWorld));return this.applyProjection(a)}}(),unproject:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.multiplyMatrices(b.matrixWorld,a.getInverse(b.projectionMatrix));return this.applyProjection(a)}}(),
transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;this.normalize();return this},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);
this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new THREE.Vector3,b=new THREE.Vector3);a.set(c,c,c);b.set(d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();this.multiplyScalar(Math.max(a,Math.min(b,c))/c);return this},floor:function(){this.x=Math.floor(this.x);
this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);return this},negate:function(){this.x=-this.x;
this.y=-this.y;this.z=-this.z;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*
b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){this.subVectors(b,a).multiplyScalar(c).add(a);return this},cross:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b);var c=this.x,d=this.y,e=this.z;this.x=d*a.z-e*a.y;this.y=e*a.x-c*a.z;this.z=c*a.y-d*a.x;return this},crossVectors:function(a,b){var c=a.x,d=a.y,e=a.z,f=b.x,g=b.y,h=b.z;this.x=d*h-e*g;
this.y=e*f-c*h;this.z=c*g-d*f;return this},projectOnVector:function(){var a,b;return function(c){void 0===a&&(a=new THREE.Vector3);a.copy(c).normalize();b=this.dot(a);return this.copy(a).multiplyScalar(b)}}(),projectOnPlane:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=
this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(THREE.Math.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},setFromSpherical:function(a){var b=Math.sin(a.phi)*a.radius;this.x=b*Math.sin(a.theta);this.y=Math.cos(a.phi)*a.radius;this.z=b*Math.cos(a.theta);return this},setFromMatrixPosition:function(a){return this.setFromMatrixColumn(a,3)},setFromMatrixScale:function(a){var b=
this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length();a=this.setFromMatrixColumn(a,2).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){"number"===typeof a&&(console.warn("THREE.Vector3: setFromMatrixColumn now expects ( matrix, index )."),b=a=b);return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},
toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromAttribute:function(a,b,c){void 0===c&&(c=0);b=b*a.itemSize+c;this.x=a.array[b];this.y=a.array[b+1];this.z=a.array[b+2];return this}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+
a);}},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);
this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},addVectors:function(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},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=
a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;this.w-=a;return this},subVectors:function(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},multiplyScalar:function(a){isFinite(a)?(this.x*=a,this.y*=a,this.z*=a,this.w*=a):this.w=this.z=this.y=this.x=0;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=
a[2]*b+a[6]*c+a[10]*d+a[14]*e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){var b,c,d;a=a.elements;var e=a[0];d=a[4];var f=a[8],g=a[1],h=a[5],k=a[9];c=a[2];b=a[6];var l=a[10];if(.01>Math.abs(d-g)&&.01>Math.abs(f-c)&&.01>
Math.abs(k-b)){if(.1>Math.abs(d+g)&&.1>Math.abs(f+c)&&.1>Math.abs(k+b)&&.1>Math.abs(e+h+l-3))return this.set(1,0,0,0),this;a=Math.PI;e=(e+1)/2;h=(h+1)/2;l=(l+1)/2;d=(d+g)/4;f=(f+c)/4;k=(k+b)/4;e>h&&e>l?.01>e?(b=0,d=c=.707106781):(b=Math.sqrt(e),c=d/b,d=f/b):h>l?.01>h?(b=.707106781,c=0,d=.707106781):(c=Math.sqrt(h),b=d/c,d=k/c):.01>l?(c=b=.707106781,d=0):(d=Math.sqrt(l),b=f/d,c=k/d);this.set(b,c,d,a);return this}a=Math.sqrt((b-k)*(b-k)+(f-c)*(f-c)+(g-d)*(g-d));.001>Math.abs(a)&&(a=1);this.x=(b-k)/
a;this.y=(f-c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+l-1)/2);return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));
this.w=Math.max(a.w,Math.min(b.w,this.w));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new THREE.Vector4,b=new THREE.Vector4);a.set(c,c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this},round:function(){this.x=
Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);this.w=Math.round(this.w);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?Math.ceil(this.w):Math.floor(this.w);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*
a.z+this.w*a.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.multiplyScalar(a/this.length())},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-
this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,b,c){this.subVectors(b,a).multiplyScalar(c).add(a);return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromAttribute:function(a,b,c){void 0===c&&(c=0);b=b*a.itemSize+
c;this.x=a.array[b];this.y=a.array[b+1];this.z=a.array[b+2];this.w=a.array[b+3];return this}};THREE.Euler=function(a,b,c,d){this._x=a||0;this._y=b||0;this._z=c||0;this._order=d||THREE.Euler.DefaultOrder};THREE.Euler.RotationOrders="XYZ YZX ZXY XZY YXZ ZYX".split(" ");THREE.Euler.DefaultOrder="XYZ";
THREE.Euler.prototype={constructor:THREE.Euler,get x(){return this._x},set x(a){this._x=a;this.onChangeCallback()},get y(){return this._y},set y(a){this._y=a;this.onChangeCallback()},get z(){return this._z},set z(a){this._z=a;this.onChangeCallback()},get order(){return this._order},set order(a){this._order=a;this.onChangeCallback()},set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._order=d||this._order;this.onChangeCallback();return this},clone:function(){return new this.constructor(this._x,
this._y,this._z,this._order)},copy:function(a){this._x=a._x;this._y=a._y;this._z=a._z;this._order=a._order;this.onChangeCallback();return this},setFromRotationMatrix:function(a,b,c){var d=THREE.Math.clamp,e=a.elements;a=e[0];var f=e[4],g=e[8],h=e[1],k=e[5],l=e[9],m=e[2],n=e[6],e=e[10];b=b||this._order;"XYZ"===b?(this._y=Math.asin(d(g,-1,1)),.99999>Math.abs(g)?(this._x=Math.atan2(-l,e),this._z=Math.atan2(-f,a)):(this._x=Math.atan2(n,k),this._z=0)):"YXZ"===b?(this._x=Math.asin(-d(l,-1,1)),.99999>Math.abs(l)?
(this._y=Math.atan2(g,e),this._z=Math.atan2(h,k)):(this._y=Math.atan2(-m,a),this._z=0)):"ZXY"===b?(this._x=Math.asin(d(n,-1,1)),.99999>Math.abs(n)?(this._y=Math.atan2(-m,e),this._z=Math.atan2(-f,k)):(this._y=0,this._z=Math.atan2(h,a))):"ZYX"===b?(this._y=Math.asin(-d(m,-1,1)),.99999>Math.abs(m)?(this._x=Math.atan2(n,e),this._z=Math.atan2(h,a)):(this._x=0,this._z=Math.atan2(-f,k))):"YZX"===b?(this._z=Math.asin(d(h,-1,1)),.99999>Math.abs(h)?(this._x=Math.atan2(-l,k),this._y=Math.atan2(-m,a)):(this._x=
0,this._y=Math.atan2(g,e))):"XZY"===b?(this._z=Math.asin(-d(f,-1,1)),.99999>Math.abs(f)?(this._x=Math.atan2(n,k),this._y=Math.atan2(g,a)):(this._x=Math.atan2(-l,e),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+b);this._order=b;if(!1!==c)this.onChangeCallback();return this},setFromQuaternion:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Matrix4);a.makeRotationFromQuaternion(b);this.setFromRotationMatrix(a,c,d);return this}}(),setFromVector3:function(a,
b){return this.set(a.x,a.y,a.z,b||this._order)},reorder:function(){var a=new THREE.Quaternion;return function(b){a.setFromEuler(this);this.setFromQuaternion(a,b)}}(),equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._order===this._order},fromArray:function(a){this._x=a[0];this._y=a[1];this._z=a[2];void 0!==a[3]&&(this._order=a[3]);this.onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+
3]=this._order;return a},toVector3:function(a){return a?a.set(this._x,this._y,this._z):new THREE.Vector3(this._x,this._y,this._z)},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}};THREE.Line3=function(a,b){this.start=void 0!==a?a:new THREE.Vector3;this.end=void 0!==b?b:new THREE.Vector3};
THREE.Line3.prototype={constructor:THREE.Line3,set:function(a,b){this.start.copy(a);this.end.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.start.copy(a.start);this.end.copy(a.end);return this},center:function(a){return(a||new THREE.Vector3).addVectors(this.start,this.end).multiplyScalar(.5)},delta:function(a){return(a||new THREE.Vector3).subVectors(this.end,this.start)},distanceSq:function(){return this.start.distanceToSquared(this.end)},distance:function(){return this.start.distanceTo(this.end)},
at:function(a,b){var c=b||new THREE.Vector3;return this.delta(c).multiplyScalar(a).add(this.start)},closestPointToPointParameter:function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(c,d){a.subVectors(c,this.start);b.subVectors(this.end,this.start);var e=b.dot(b),e=b.dot(a)/e;d&&(e=THREE.Math.clamp(e,0,1));return e}}(),closestPointToPoint:function(a,b,c){a=this.closestPointToPointParameter(a,b);c=c||new THREE.Vector3;return this.delta(c).multiplyScalar(a).add(this.start)},applyMatrix4:function(a){this.start.applyMatrix4(a);
this.end.applyMatrix4(a);return this},equals:function(a){return a.start.equals(this.start)&&a.end.equals(this.end)}};THREE.Box2=function(a,b){this.min=void 0!==a?a:new THREE.Vector2(Infinity,Infinity);this.max=void 0!==b?b:new THREE.Vector2(-Infinity,-Infinity)};
THREE.Box2.prototype={constructor:THREE.Box2,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=new THREE.Vector2;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);
return this},makeEmpty:function(){this.min.x=this.min.y=Infinity;this.max.x=this.max.y=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y},center:function(a){return(a||new THREE.Vector2).addVectors(this.min,this.max).multiplyScalar(.5)},size:function(a){return(a||new THREE.Vector2).subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);
this.max.addScalar(a);return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y?!0:!1},getParameter:function(a,b){return(b||new THREE.Vector2).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>
this.max.y?!1:!0},clampPoint:function(a,b){return(b||new THREE.Vector2).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new THREE.Vector2;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
a.max.equals(this.max)}};THREE.Box3=function(a,b){this.min=void 0!==a?a:new THREE.Vector3(Infinity,Infinity,Infinity);this.max=void 0!==b?b:new THREE.Vector3(-Infinity,-Infinity,-Infinity)};
THREE.Box3.prototype={constructor:THREE.Box3,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var l=a[h],m=a[h+1],n=a[h+2];l<b&&(b=l);m<c&&(c=m);n<d&&(d=n);l>e&&(e=l);m>f&&(f=m);n>g&&(g=n)}this.min.set(b,c,d);this.max.set(e,f,g)},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=
new THREE.Vector3;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),setFromObject:function(){var a=new THREE.Vector3;return function(b){var c=this;b.updateMatrixWorld(!0);this.makeEmpty();b.traverse(function(b){var e=b.geometry;if(void 0!==e)if(e instanceof THREE.Geometry)for(var f=e.vertices,e=0,g=f.length;e<g;e++)a.copy(f[e]),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a);else if(e instanceof THREE.BufferGeometry&&void 0!==
e.attributes.position)for(f=e.attributes.position.array,e=0,g=f.length;e<g;e+=3)a.fromArray(f,e),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a)});return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},
center:function(a){return(a||new THREE.Vector3).addVectors(this.min,this.max).multiplyScalar(.5)},size:function(a){return(a||new THREE.Vector3).subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<
this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z?!0:!1},getParameter:function(a,b){return(b||new THREE.Vector3).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<
this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;0<a.normal.x?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x);0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*
this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new THREE.Vector3).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new THREE.Vector3;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new THREE.Vector3;return function(b){b=b||new THREE.Sphere;b.center=this.center();b.radius=.5*this.size(a).length();return b}}(),
intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);
a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
a.max.equals(this.max)}};THREE.Matrix3=function(){this.elements=new Float32Array([1,0,0,0,1,0,0,0,1]);0<arguments.length&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")};
THREE.Matrix3.prototype={constructor:THREE.Matrix3,set:function(a,b,c,d,e,f,g,h,k){var l=this.elements;l[0]=a;l[1]=d;l[2]=g;l[3]=b;l[4]=e;l[5]=h;l[6]=c;l[7]=f;l[8]=k;return this},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){a=a.elements;this.set(a[0],a[3],a[6],a[1],a[4],a[7],a[2],a[5],a[8]);return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);
return this},applyToVector3Array:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length);for(var e=0;e<d;e+=3,c+=3)a.fromArray(b,c),a.applyMatrix3(this),a.toArray(b,c);return b}}(),applyToBuffer:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length/b.itemSize);for(var e=0;e<d;e++,c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(a.x,a.y,a.z);return b}}(),
multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7],a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a instanceof THREE.Matrix4&&console.error("THREE.Matrix3.getInverse no longer takes a Matrix4 argument.");var c=a.elements,d=this.elements,e=c[0],f=c[1],g=c[2],h=c[3],k=c[4],l=c[5],m=c[6],n=c[7],
c=c[8],p=c*k-l*n,q=l*m-c*h,s=n*h-k*m,t=e*p+f*q+g*s;if(0===t){if(b)throw Error("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");console.warn("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");return this.identity()}d[0]=p;d[1]=g*n-c*f;d[2]=l*f-g*k;d[3]=q;d[4]=c*e-g*m;d[5]=g*h-l*e;d[6]=s;d[7]=f*m-n*e;d[8]=k*e-f*h;return this.multiplyScalar(1/t)},transpose:function(){var a,b=this.elements;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},
flattenToArrayOffset:function(a,b){console.warn("THREE.Matrix3: .flattenToArrayOffset is deprecated - just use .toArray instead.");return this.toArray(a,b)},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this},fromArray:function(a){this.elements.set(a);return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===
b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}};THREE.Matrix4=function(){this.elements=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);0<arguments.length&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")};
THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(a,b,c,d,e,f,g,h,k,l,m,n,p,q,s,t){var r=this.elements;r[0]=a;r[4]=b;r[8]=c;r[12]=d;r[1]=e;r[5]=f;r[9]=g;r[13]=h;r[2]=k;r[6]=l;r[10]=m;r[14]=n;r[3]=p;r[7]=q;r[11]=s;r[15]=t;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},clone:function(){return(new THREE.Matrix4).fromArray(this.elements)},copy:function(a){this.elements.set(a.elements);return this},copyPosition:function(a){var b=this.elements;a=a.elements;
b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,
2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;return this}}(),makeRotationFromEuler:function(a){!1===a instanceof THREE.Euler&&console.error("THREE.Matrix: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var b=this.elements,c=a.x,d=a.y,e=a.z,f=Math.cos(c),c=Math.sin(c),g=Math.cos(d),d=Math.sin(d),h=Math.cos(e),e=Math.sin(e);if("XYZ"===a.order){a=f*h;var k=f*e,l=c*h,m=c*e;b[0]=g*h;b[4]=
-g*e;b[8]=d;b[1]=k+l*d;b[5]=a-m*d;b[9]=-c*g;b[2]=m-a*d;b[6]=l+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,l=d*h,m=d*e,b[0]=a+m*c,b[4]=l*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-l,b[6]=m+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,l=d*h,m=d*e,b[0]=a-m*c,b[4]=-f*e,b[8]=l+k*c,b[1]=k+l*c,b[5]=f*h,b[9]=m-a*c,b[2]=-f*d,b[6]=c,b[10]=f*g):"ZYX"===a.order?(a=f*h,k=f*e,l=c*h,m=c*e,b[0]=g*h,b[4]=l*d-k,b[8]=a*d+m,b[1]=g*e,b[5]=m*d+a,b[9]=k*d-l,b[2]=-d,b[6]=c*g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*
d,l=c*g,m=c*d,b[0]=g*h,b[4]=m-a*e,b[8]=l*e+k,b[1]=e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+l,b[10]=a-m*e):"XZY"===a.order&&(a=f*g,k=f*d,l=c*g,m=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+m,b[5]=f*h,b[9]=k*e-l,b[2]=l*e-k,b[6]=c*h,b[10]=m*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z,f=a.w,g=c+c,h=d+d,k=e+e;a=c*g;var l=c*h,c=c*k,m=d*h,d=d*k,e=e*k,g=f*g,h=f*h,f=f*k;b[0]=1-(m+e);b[4]=l-f;b[8]=c+h;b[1]=l+
f;b[5]=1-(a+e);b[9]=d-g;b[2]=c-h;b[6]=d+g;b[10]=1-(a+m);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},lookAt:function(){var a,b,c;return function(d,e,f){void 0===a&&(a=new THREE.Vector3);void 0===b&&(b=new THREE.Vector3);void 0===c&&(c=new THREE.Vector3);var g=this.elements;c.subVectors(d,e).normalize();0===c.lengthSq()&&(c.z=1);a.crossVectors(f,c).normalize();0===a.lengthSq()&&(c.x+=1E-4,a.crossVectors(f,c).normalize());b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;
g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[4],h=c[8],k=c[12],l=c[1],m=c[5],n=c[9],p=c[13],q=c[2],s=c[6],t=c[10],r=c[14],
u=c[3],v=c[7],w=c[11],c=c[15],x=d[0],y=d[4],z=d[8],A=d[12],B=d[1],C=d[5],D=d[9],E=d[13],F=d[2],G=d[6],H=d[10],I=d[14],J=d[3],K=d[7],L=d[11],d=d[15];e[0]=f*x+g*B+h*F+k*J;e[4]=f*y+g*C+h*G+k*K;e[8]=f*z+g*D+h*H+k*L;e[12]=f*A+g*E+h*I+k*d;e[1]=l*x+m*B+n*F+p*J;e[5]=l*y+m*C+n*G+p*K;e[9]=l*z+m*D+n*H+p*L;e[13]=l*A+m*E+n*I+p*d;e[2]=q*x+s*B+t*F+r*J;e[6]=q*y+s*C+t*G+r*K;e[10]=q*z+s*D+t*H+r*L;e[14]=q*A+s*E+t*I+r*d;e[3]=u*x+v*B+w*F+c*J;e[7]=u*y+v*C+w*G+c*K;e[11]=u*z+v*D+w*H+c*L;e[15]=u*A+v*E+w*I+c*d;return this},
multiplyToArray:function(a,b,c){var d=this.elements;this.multiplyMatrices(a,b);c[0]=d[0];c[1]=d[1];c[2]=d[2];c[3]=d[3];c[4]=d[4];c[5]=d[5];c[6]=d[6];c[7]=d[7];c[8]=d[8];c[9]=d[9];c[10]=d[10];c[11]=d[11];c[12]=d[12];c[13]=d[13];c[14]=d[14];c[15]=d[15];return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToVector3Array:function(){var a;return function(b,
c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length);for(var e=0;e<d;e+=3,c+=3)a.fromArray(b,c),a.applyMatrix4(this),a.toArray(b,c);return b}}(),applyToBuffer:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length/b.itemSize);for(var e=0;e<d;e++,c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix4(this),b.setXYZ(a.x,a.y,a.z);return b}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],
e=a[12],f=a[1],g=a[5],h=a[9],k=a[13],l=a[2],m=a[6],n=a[10],p=a[14];return a[3]*(+e*h*m-d*k*m-e*g*n+c*k*n+d*g*p-c*h*p)+a[7]*(+b*h*p-b*k*n+e*f*n-d*f*p+d*k*l-e*h*l)+a[11]*(+b*k*m-b*g*p-e*f*m+c*f*p+e*g*l-c*k*l)+a[15]*(-d*g*l-b*h*m+b*g*n+d*f*m-c*f*n+c*h*l)},transpose:function(){var a=this.elements,b;b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},flattenToArrayOffset:function(a,b){console.warn("THREE.Matrix3: .flattenToArrayOffset is deprecated - just use .toArray instead.");
return this.toArray(a,b)},getPosition:function(){var a;return function(){void 0===a&&(a=new THREE.Vector3);console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.");return a.setFromMatrixColumn(this,3)}}(),setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getInverse:function(a,b){var c=this.elements,d=a.elements,e=d[0],f=d[1],g=d[2],h=d[3],k=d[4],l=d[5],m=d[6],n=d[7],p=d[8],q=d[9],s=d[10],t=d[11],r=d[12],
u=d[13],v=d[14],d=d[15],w=q*v*n-u*s*n+u*m*t-l*v*t-q*m*d+l*s*d,x=r*s*n-p*v*n-r*m*t+k*v*t+p*m*d-k*s*d,y=p*u*n-r*q*n+r*l*t-k*u*t-p*l*d+k*q*d,z=r*q*m-p*u*m-r*l*s+k*u*s+p*l*v-k*q*v,A=e*w+f*x+g*y+h*z;if(0===A){if(b)throw Error("THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0");console.warn("THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0");return this.identity()}c[0]=w;c[1]=u*s*h-q*v*h-u*g*t+f*v*t+q*g*d-f*s*d;c[2]=l*v*h-u*m*h+u*g*n-f*v*n-l*g*d+f*m*d;c[3]=q*m*h-l*s*h-
q*g*n+f*s*n+l*g*t-f*m*t;c[4]=x;c[5]=p*v*h-r*s*h+r*g*t-e*v*t-p*g*d+e*s*d;c[6]=r*m*h-k*v*h-r*g*n+e*v*n+k*g*d-e*m*d;c[7]=k*s*h-p*m*h+p*g*n-e*s*n-k*g*t+e*m*t;c[8]=y;c[9]=r*q*h-p*u*h-r*f*t+e*u*t+p*f*d-e*q*d;c[10]=k*u*h-r*l*h+r*f*n-e*u*n-k*f*d+e*l*d;c[11]=p*l*h-k*q*h-p*f*n+e*q*n+k*f*t-e*l*t;c[12]=z;c[13]=p*u*g-r*q*g+r*f*s-e*u*s-p*f*v+e*q*v;c[14]=r*l*g-k*u*g-r*f*m+e*u*m+k*f*v-e*l*v;c[15]=k*q*g-p*l*g+p*f*m-e*q*m-k*f*s+e*l*s;return this.multiplyScalar(1/A)},scale:function(a){var b=this.elements,c=a.x,d=a.y;
a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10]))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=
Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,k=e*f,l=e*g;this.set(k*f+c,k*g-d*h,k*h+d*g,0,k*g+d*h,l*g+c,l*h-d*f,0,k*h-d*g,l*h+d*f,e*h*h+c,0,0,0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},compose:function(a,b,
c){this.makeRotationFromQuaternion(b);this.scale(c);this.setPosition(a);return this},decompose:function(){var a,b;return function(c,d,e){void 0===a&&(a=new THREE.Vector3);void 0===b&&(b=new THREE.Matrix4);var f=this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),k=a.set(f[8],f[9],f[10]).length();0>this.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.elements.set(this.elements);c=1/g;var f=1/h,l=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=
f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=l;b.elements[9]*=l;b.elements[10]*=l;d.setFromRotationMatrix(b);e.x=g;e.y=h;e.z=k;return this}}(),makeFrustum:function(a,b,c,d,e,f){var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(d-c);g[9]=(d+c)/(d-c);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makePerspective:function(a,b,c,d){a=c*Math.tan(THREE.Math.DEG2RAD*a*.5);var e=-a;return this.makeFrustum(e*b,
a*b,e,a,c,d)},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),k=1/(c-d),l=1/(f-e);g[0]=2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*l;g[14]=-((f+e)*l);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a){this.elements.set(a);return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;
a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}};THREE.Ray=function(a,b){this.origin=void 0!==a?a:new THREE.Vector3;this.direction=void 0!==b?b:new THREE.Vector3};
THREE.Ray.prototype={constructor:THREE.Ray,set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){return(b||new THREE.Vector3).copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize()},recast:function(){var a=new THREE.Vector3;return function(b){this.origin.copy(this.at(b,
a));return this}}(),closestPointToPoint:function(a,b){var c=b||new THREE.Vector3;c.subVectors(a,this.origin);var d=c.dot(this.direction);return 0>d?c.copy(this.origin):c.copy(this.direction).multiplyScalar(d).add(this.origin)},distanceToPoint:function(a){return Math.sqrt(this.distanceSqToPoint(a))},distanceSqToPoint:function(){var a=new THREE.Vector3;return function(b){var c=a.subVectors(b,this.origin).dot(this.direction);if(0>c)return this.origin.distanceToSquared(b);a.copy(this.direction).multiplyScalar(c).add(this.origin);
return a.distanceToSquared(b)}}(),distanceSqToSegment:function(){var a=new THREE.Vector3,b=new THREE.Vector3,c=new THREE.Vector3;return function(d,e,f,g){a.copy(d).add(e).multiplyScalar(.5);b.copy(e).sub(d).normalize();c.copy(this.origin).sub(a);var h=.5*d.distanceTo(e),k=-this.direction.dot(b),l=c.dot(this.direction),m=-c.dot(b),n=c.lengthSq(),p=Math.abs(1-k*k),q;0<p?(d=k*m-l,e=k*l-m,q=h*p,0<=d?e>=-q?e<=q?(h=1/p,d*=h,e*=h,k=d*(d+k*e+2*l)+e*(k*d+e+2*m)+n):(e=h,d=Math.max(0,-(k*e+l)),k=-d*d+e*(e+2*
m)+n):(e=-h,d=Math.max(0,-(k*e+l)),k=-d*d+e*(e+2*m)+n):e<=-q?(d=Math.max(0,-(-k*h+l)),e=0<d?-h:Math.min(Math.max(-h,-m),h),k=-d*d+e*(e+2*m)+n):e<=q?(d=0,e=Math.min(Math.max(-h,-m),h),k=e*(e+2*m)+n):(d=Math.max(0,-(k*h+l)),e=0<d?h:Math.min(Math.max(-h,-m),h),k=-d*d+e*(e+2*m)+n)):(e=0<k?-h:h,d=Math.max(0,-(k*e+l)),k=-d*d+e*(e+2*m)+n);f&&f.copy(this.direction).multiplyScalar(d).add(this.origin);g&&g.copy(b).multiplyScalar(e).add(a);return k}}(),intersectSphere:function(){var a=new THREE.Vector3;return function(b,
c){a.subVectors(b.center,this.origin);var d=a.dot(this.direction),e=a.dot(a)-d*d,f=b.radius*b.radius;if(e>f)return null;f=Math.sqrt(f-e);e=d-f;d+=f;return 0>e&&0>d?null:0>e?this.at(d,c):this.at(e,c)}}(),intersectsSphere:function(a){return this.distanceToPoint(a.center)<=a.radius},distanceToPlane:function(a){var b=a.normal.dot(this.direction);if(0===b)return 0===a.distanceToPoint(this.origin)?0:null;a=-(this.origin.dot(a.normal)+a.constant)/b;return 0<=a?a:null},intersectPlane:function(a,b){var c=
this.distanceToPlane(a);return null===c?null:this.at(c,b)},intersectsPlane:function(a){var b=a.distanceToPoint(this.origin);return 0===b||0>a.normal.dot(this.direction)*b?!0:!1},intersectBox:function(a,b){var c,d,e,f,g;d=1/this.direction.x;f=1/this.direction.y;g=1/this.direction.z;var h=this.origin;0<=d?(c=(a.min.x-h.x)*d,d*=a.max.x-h.x):(c=(a.max.x-h.x)*d,d*=a.min.x-h.x);0<=f?(e=(a.min.y-h.y)*f,f*=a.max.y-h.y):(e=(a.max.y-h.y)*f,f*=a.min.y-h.y);if(c>f||e>d)return null;if(e>c||c!==c)c=e;if(f<d||d!==
d)d=f;0<=g?(e=(a.min.z-h.z)*g,g*=a.max.z-h.z):(e=(a.max.z-h.z)*g,g*=a.min.z-h.z);if(c>g||e>d)return null;if(e>c||c!==c)c=e;if(g<d||d!==d)d=g;return 0>d?null:this.at(0<=c?c:d,b)},intersectsBox:function(){var a=new THREE.Vector3;return function(b){return null!==this.intersectBox(b,a)}}(),intersectTriangle:function(){var a=new THREE.Vector3,b=new THREE.Vector3,c=new THREE.Vector3,d=new THREE.Vector3;return function(e,f,g,h,k){b.subVectors(f,e);c.subVectors(g,e);d.crossVectors(b,c);f=this.direction.dot(d);
if(0<f){if(h)return null;h=1}else if(0>f)h=-1,f=-f;else return null;a.subVectors(this.origin,e);e=h*this.direction.dot(c.crossVectors(a,c));if(0>e)return null;g=h*this.direction.dot(b.cross(a));if(0>g||e+g>f)return null;e=-h*a.dot(d);return 0>e?null:this.at(e/f,k)}}(),applyMatrix4:function(a){this.direction.add(this.origin).applyMatrix4(a);this.origin.applyMatrix4(a);this.direction.sub(this.origin);this.direction.normalize();return this},equals:function(a){return a.origin.equals(this.origin)&&a.direction.equals(this.direction)}};
THREE.Sphere=function(a,b){this.center=void 0!==a?a:new THREE.Vector3;this.radius=void 0!==b?b:0};
THREE.Sphere.prototype={constructor:THREE.Sphere,set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=new THREE.Box3;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).center(d);for(var e=0,f=0,g=b.length;f<g;f++)e=Math.max(e,d.distanceToSquared(b[f]));this.radius=Math.sqrt(e);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},
empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(this.center.dot(a.normal)-a.constant)<=this.radius},clampPoint:function(a,b){var c=
this.center.distanceToSquared(a),d=b||new THREE.Vector3;d.copy(a);c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyScalar(this.radius).add(this.center));return d},getBoundingBox:function(a){a=a||new THREE.Box3;a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&
a.radius===this.radius}};THREE.Frustum=function(a,b,c,d,e,f){this.planes=[void 0!==a?a:new THREE.Plane,void 0!==b?b:new THREE.Plane,void 0!==c?c:new THREE.Plane,void 0!==d?d:new THREE.Plane,void 0!==e?e:new THREE.Plane,void 0!==f?f:new THREE.Plane]};
THREE.Frustum.prototype={constructor:THREE.Frustum,set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);g[5].copy(f);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],l=c[7],m=c[8],n=c[9],p=c[10],q=c[11],s=c[12],t=c[13],r=c[14],
c=c[15];b[0].setComponents(f-a,l-g,q-m,c-s).normalize();b[1].setComponents(f+a,l+g,q+m,c+s).normalize();b[2].setComponents(f+d,l+h,q+n,c+t).normalize();b[3].setComponents(f-d,l-h,q-n,c-t).normalize();b[4].setComponents(f-e,l-k,q-p,c-r).normalize();b[5].setComponents(f+e,l+k,q+p,c+r).normalize();return this},intersectsObject:function(){var a=new THREE.Sphere;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere);a.applyMatrix4(b.matrixWorld);
return this.intersectsSphere(a)}}(),intersectsSphere:function(a){var b=this.planes,c=a.center;a=-a.radius;for(var d=0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},intersectsBox:function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(c){for(var d=this.planes,e=0;6>e;e++){var f=d[e];a.x=0<f.normal.x?c.min.x:c.max.x;b.x=0<f.normal.x?c.max.x:c.min.x;a.y=0<f.normal.y?c.min.y:c.max.y;b.y=0<f.normal.y?c.max.y:c.min.y;a.z=0<f.normal.z?c.min.z:c.max.z;b.z=0<f.normal.z?c.max.z:c.min.z;
var g=f.distanceToPoint(a),f=f.distanceToPoint(b);if(0>g&&0>f)return!1}return!0}}(),containsPoint:function(a){for(var b=this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0}};THREE.Plane=function(a,b){this.normal=void 0!==a?a:new THREE.Vector3(1,0,0);this.constant=void 0!==b?b:0};
THREE.Plane.prototype={constructor:THREE.Plane,set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a);this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(c,d,e){d=a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,
c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,
b){return this.orthoPoint(a,b).sub(a).negate()},orthoPoint:function(a,b){var c=this.distanceToPoint(a);return(b||new THREE.Vector3).copy(this.normal).multiplyScalar(c)},intersectLine:function(){var a=new THREE.Vector3;return function(b,c){var d=c||new THREE.Vector3,e=b.delta(a),f=this.normal.dot(e);if(0===f){if(0===this.distanceToPoint(b.start))return d.copy(b.start)}else return f=-(b.start.dot(this.normal)+this.constant)/f,0>f||1<f?void 0:d.copy(e).multiplyScalar(f).add(b.start)}}(),intersectsLine:function(a){var b=
this.distanceToPoint(a.start);a=this.distanceToPoint(a.end);return 0>b&&0<a||0>a&&0<b},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){return(a||new THREE.Vector3).copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var a=new THREE.Vector3,b=new THREE.Matrix3;return function(c,d){var e=this.coplanarPoint(a).applyMatrix4(c),f=d||b.getNormalMatrix(c),f=this.normal.applyMatrix3(f).normalize();
this.constant=-e.dot(f);return this}}(),translate:function(a){this.constant-=a.dot(this.normal);return this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}};
THREE.Math={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){var a="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split(""),b=Array(36),c=0,d;return function(){for(var e=0;36>e;e++)8===e||13===e||18===e||23===e?b[e]="-":14===e?b[e]="4":(2>=c&&(c=33554432+16777216*Math.random()|0),d=c&15,c>>=4,b[e]=a[19===e?d&3|8:d]);return b.join("")}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,
d,e){return d+(a-b)*(e-d)/(c-b)},smoothstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},random16:function(){console.warn("THREE.Math.random16() has been deprecated. Use Math.random() instead.");return Math.random()},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*
(.5-Math.random())},degToRad:function(a){return a*THREE.Math.DEG2RAD},radToDeg:function(a){return a*THREE.Math.RAD2DEG},isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},nearestPowerOfTwo:function(a){return Math.pow(2,Math.round(Math.log(a)/Math.LN2))},nextPowerOfTwo:function(a){a--;a|=a>>1;a|=a>>2;a|=a>>4;a|=a>>8;a|=a>>16;a++;return a}};
THREE.Spline=function(a){function b(a,b,c,d,e,f,g){a=.5*(c-a);d=.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b}this.points=a;var c=[],d={x:0,y:0,z:0},e,f,g,h,k,l,m,n,p;this.initFromArray=function(a){this.points=[];for(var b=0;b<a.length;b++)this.points[b]={x:a[b][0],y:a[b][1],z:a[b][2]}};this.getPoint=function(a){e=(this.points.length-1)*a;f=Math.floor(e);g=e-f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>this.points.length-2?this.points.length-1:f+1;c[3]=f>this.points.length-3?this.points.length-1:f+
2;l=this.points[c[0]];m=this.points[c[1]];n=this.points[c[2]];p=this.points[c[3]];h=g*g;k=g*h;d.x=b(l.x,m.x,n.x,p.x,g,h,k);d.y=b(l.y,m.y,n.y,p.y,g,h,k);d.z=b(l.z,m.z,n.z,p.z,g,h,k);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a<c;a++)b=this.points[a],d[a]=[b.x,b.y,b.z];return d};this.getLength=function(a){var b,c,d,e=b=b=0,f=new THREE.Vector3,g=new THREE.Vector3,h=[],k=0;h[0]=0;a||(a=100);c=this.points.length*a;f.copy(this.points[0]);for(a=1;a<c;a++)b=
a/c,d=this.getPoint(b),g.copy(d),k+=g.distanceTo(f),f.copy(d),b*=this.points.length-1,b=Math.floor(b),b!==e&&(h[b]=k,e=b);h[h.length]=k;return{chunks:h,total:k}};this.reparametrizeByArcLength=function(a){var b,c,d,e,f,g,h=[],k=new THREE.Vector3,l=this.getLength();h.push(k.copy(this.points[0]).clone());for(b=1;b<this.points.length;b++){c=l.chunks[b]-l.chunks[b-1];g=Math.ceil(a*c/l.total);e=(b-1)/(this.points.length-1);f=b/(this.points.length-1);for(c=1;c<g-1;c++)d=e+1/g*c*(f-e),d=this.getPoint(d),
h.push(k.copy(d).clone());h.push(k.copy(this.points[b]).clone())}this.points=h}};THREE.Triangle=function(a,b,c){this.a=void 0!==a?a:new THREE.Vector3;this.b=void 0!==b?b:new THREE.Vector3;this.c=void 0!==c?c:new THREE.Vector3};THREE.Triangle.normal=function(){var a=new THREE.Vector3;return function(b,c,d,e){e=e||new THREE.Vector3;e.subVectors(d,c);a.subVectors(b,c);e.cross(a);b=e.lengthSq();return 0<b?e.multiplyScalar(1/Math.sqrt(b)):e.set(0,0,0)}}();
THREE.Triangle.barycoordFromPoint=function(){var a=new THREE.Vector3,b=new THREE.Vector3,c=new THREE.Vector3;return function(d,e,f,g,h){a.subVectors(g,e);b.subVectors(f,e);c.subVectors(d,e);d=a.dot(a);e=a.dot(b);f=a.dot(c);var k=b.dot(b);g=b.dot(c);var l=d*k-e*e;h=h||new THREE.Vector3;if(0===l)return h.set(-2,-1,-1);l=1/l;k=(k*f-e*g)*l;d=(d*g-e*f)*l;return h.set(1-k-d,d,k)}}();
THREE.Triangle.containsPoint=function(){var a=new THREE.Vector3;return function(b,c,d,e){b=THREE.Triangle.barycoordFromPoint(b,c,d,e,a);return 0<=b.x&&0<=b.y&&1>=b.x+b.y}}();
THREE.Triangle.prototype={constructor:THREE.Triangle,set:function(a,b,c){this.a.copy(a);this.b.copy(b);this.c.copy(c);return this},setFromPointsAndIndices:function(a,b,c,d){this.a.copy(a[b]);this.b.copy(a[c]);this.c.copy(a[d]);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a.copy(a.a);this.b.copy(a.b);this.c.copy(a.c);return this},area:function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(){a.subVectors(this.c,this.b);b.subVectors(this.a,
this.b);return.5*a.cross(b).length()}}(),midpoint:function(a){return(a||new THREE.Vector3).addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},normal:function(a){return THREE.Triangle.normal(this.a,this.b,this.c,a)},plane:function(a){return(a||new THREE.Plane).setFromCoplanarPoints(this.a,this.b,this.c)},barycoordFromPoint:function(a,b){return THREE.Triangle.barycoordFromPoint(a,this.a,this.b,this.c,b)},containsPoint:function(a){return THREE.Triangle.containsPoint(a,this.a,this.b,this.c)},
closestPointToPoint:function(){var a,b,c,d;return function(e,f){void 0===a&&(a=new THREE.Plane,b=[new THREE.Line3,new THREE.Line3,new THREE.Line3],c=new THREE.Vector3,d=new THREE.Vector3);var g=f||new THREE.Vector3,h=Infinity;a.setFromCoplanarPoints(this.a,this.b,this.c);a.projectPoint(e,c);if(!0===this.containsPoint(c))g.copy(c);else{b[0].set(this.a,this.b);b[1].set(this.b,this.c);b[2].set(this.c,this.a);for(var k=0;k<b.length;k++){b[k].closestPointToPoint(c,!0,d);var l=c.distanceToSquared(d);l<
h&&(h=l,g.copy(d))}}return g}}(),equals:function(a){return a.a.equals(this.a)&&a.b.equals(this.b)&&a.c.equals(this.c)}};THREE.Interpolant=function(a,b,c,d){this.parameterPositions=a;this._cachedIndex=0;this.resultBuffer=void 0!==d?d:new b.constructor(c);this.sampleValues=b;this.valueSize=c};
THREE.Interpolant.prototype={constructor:THREE.Interpolant,evaluate:function(a){var b=this.parameterPositions,c=this._cachedIndex,d=b[c],e=b[c-1];a:{b:{c:{d:if(!(a<d)){for(var f=c+2;;){if(void 0===d){if(a<e)break d;this._cachedIndex=c=b.length;return this.afterEnd_(c-1,a,e)}if(c===f)break;e=d;d=b[++c];if(a<d)break b}d=b.length;break c}if(a>=e)break a;else{f=b[1];a<f&&(c=2,e=f);for(f=c-2;;){if(void 0===e)return this._cachedIndex=0,this.beforeStart_(0,a,d);if(c===f)break;d=e;e=b[--c-1];if(a>=e)break b}d=
c;c=0}}for(;c<d;)e=c+d>>>1,a<b[e]?d=e:c=e+1;d=b[c];e=b[c-1];if(void 0===e)return this._cachedIndex=0,this.beforeStart_(0,a,d);if(void 0===d)return this._cachedIndex=c=b.length,this.afterEnd_(c-1,e,a)}this._cachedIndex=c;this.intervalChanged_(c,e,d)}return this.interpolate_(c,e,a,d)},settings:null,DefaultSettings_:{},getSettings_:function(){return this.settings||this.DefaultSettings_},copySampleValue_:function(a){var b=this.resultBuffer,c=this.sampleValues,d=this.valueSize;a*=d;for(var e=0;e!==d;++e)b[e]=
c[a+e];return b},interpolate_:function(a,b,c,d){throw Error("call to abstract method");},intervalChanged_:function(a,b,c){}};Object.assign(THREE.Interpolant.prototype,{beforeStart_:THREE.Interpolant.prototype.copySampleValue_,afterEnd_:THREE.Interpolant.prototype.copySampleValue_});THREE.CubicInterpolant=function(a,b,c,d){THREE.Interpolant.call(this,a,b,c,d);this._offsetNext=this._weightNext=this._offsetPrev=this._weightPrev=-0};
THREE.CubicInterpolant.prototype=Object.assign(Object.create(THREE.Interpolant.prototype),{constructor:THREE.CubicInterpolant,DefaultSettings_:{endingStart:THREE.ZeroCurvatureEnding,endingEnd:THREE.ZeroCurvatureEnding},intervalChanged_:function(a,b,c){var d=this.parameterPositions,e=a-2,f=a+1,g=d[e],h=d[f];if(void 0===g)switch(this.getSettings_().endingStart){case THREE.ZeroSlopeEnding:e=a;g=2*b-c;break;case THREE.WrapAroundEnding:e=d.length-2;g=b+d[e]-d[e+1];break;default:e=a,g=c}if(void 0===h)switch(this.getSettings_().endingEnd){case THREE.ZeroSlopeEnding:f=
a;h=2*c-b;break;case THREE.WrapAroundEnding:f=1;h=c+d[1]-d[0];break;default:f=a-1,h=b}a=.5*(c-b);d=this.valueSize;this._weightPrev=a/(b-g);this._weightNext=a/(h-c);this._offsetPrev=e*d;this._offsetNext=f*d},interpolate_:function(a,b,c,d){var e=this.resultBuffer,f=this.sampleValues,g=this.valueSize;a*=g;var h=a-g,k=this._offsetPrev,l=this._offsetNext,m=this._weightPrev,n=this._weightNext,p=(c-b)/(d-b);c=p*p;d=c*p;b=-m*d+2*m*c-m*p;m=(1+m)*d+(-1.5-2*m)*c+(-.5+m)*p+1;p=(-1-n)*d+(1.5+n)*c+.5*p;n=n*d-n*
c;for(c=0;c!==g;++c)e[c]=b*f[k+c]+m*f[h+c]+p*f[a+c]+n*f[l+c];return e}});THREE.DiscreteInterpolant=function(a,b,c,d){THREE.Interpolant.call(this,a,b,c,d)};THREE.DiscreteInterpolant.prototype=Object.assign(Object.create(THREE.Interpolant.prototype),{constructor:THREE.DiscreteInterpolant,interpolate_:function(a,b,c,d){return this.copySampleValue_(a-1)}});THREE.LinearInterpolant=function(a,b,c,d){THREE.Interpolant.call(this,a,b,c,d)};
THREE.LinearInterpolant.prototype=Object.assign(Object.create(THREE.Interpolant.prototype),{constructor:THREE.LinearInterpolant,interpolate_:function(a,b,c,d){var e=this.resultBuffer,f=this.sampleValues,g=this.valueSize;a*=g;var h=a-g;b=(c-b)/(d-b);c=1-b;for(d=0;d!==g;++d)e[d]=f[h+d]*c+f[a+d]*b;return e}});THREE.QuaternionLinearInterpolant=function(a,b,c,d){THREE.Interpolant.call(this,a,b,c,d)};
THREE.QuaternionLinearInterpolant.prototype=Object.assign(Object.create(THREE.Interpolant.prototype),{constructor:THREE.QuaternionLinearInterpolant,interpolate_:function(a,b,c,d){var e=this.resultBuffer,f=this.sampleValues,g=this.valueSize;a*=g;b=(c-b)/(d-b);for(c=a+g;a!==c;a+=4)THREE.Quaternion.slerpFlat(e,0,f,a-g,f,a,b);return e}});