/*!
// ███   █    ████▄    ▄▄▄▄▀ ▄▄▄▄▀ ▄███▄   █▄▄▄▄
// █  █  █    █   █ ▀▀▀ █ ▀▀▀ █    █▀   ▀  █  ▄▀
// █ ▀ ▄ █    █   █     █     █    ██▄▄    █▀▀▌
// █  ▄▀ ███▄ ▀████    █     █     █▄   ▄▀ █  █
// ███       ▀        ▀     ▀      ▀███▀     █
//                                          ▀
// The MIT License
//
// Copyright © 1986 - ∞, Blotter / Bradley Griffith / http://bradley.computer
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
*/
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d=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");d.width=8,d.height=8;var e=d.getContext("2d");e.fillStyle="white",e.fillRect(0,0,8,8),p=new X(d)}function i(){var a=b.createProgram(),c=b.createShader(b.VERTEX_SHADER),d=b.createShader(b.FRAGMENT_SHADER);return b.shaderSource(c,["precision "+g.precision+" float;","#define SHADER_NAME SpriteMaterial","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform float rotation;","uniform vec2 scale;","uniform vec2 uvOffset;","uniform vec2 uvScale;","attribute vec2 position;","attribute vec2 uv;","varying vec2 vUV;","varying float fogDepth;","void main() {","\tvUV = uvOffset + uv * uvScale;","\tvec2 alignedPosition = position * scale;","\tvec2 rotatedPosition;","\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;","\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;","\tvec4 mvPosition;","\tmvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );","\tmvPosition.xy += rotatedPosition;","\tgl_Position = projectionMatrix * mvPosition;","\tfogDepth = - mvPosition.z;","}"].join("\n")),b.shaderSource(d,["precision "+g.precision+" float;","#define SHADER_NAME SpriteMaterial","uniform vec3 color;","uniform sampler2D map;","uniform float opacity;","uniform int fogType;","uniform vec3 fogColor;","uniform float fogDensity;","uniform float fogNear;","uniform float fogFar;","uniform float alphaTest;","varying vec2 vUV;","varying float fogDepth;","void main() {","\tvec4 texture = texture2D( map, vUV );","\tgl_FragColor = vec4( color * texture.xyz, texture.a * opacity );","\tif ( gl_FragColor.a < alphaTest ) discard;","\tif ( fogType > 0 ) {","\t\tfloat fogFactor = 0.0;","\t\tif ( fogType == 1 ) {","\t\t\tfogFactor = smoothstep( fogNear, fogFar, fogDepth );","\t\t} else {","\t\t\tconst float LOG2 = 1.442695;","\t\t\tfogFactor = exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 );","\t\t\tfogFactor = 1.0 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i=0,t=0,u=f.fog;u?(b.uniform3f(o.fogColor,u.color.r,u.color.g,u.color.b),u.isFog?(b.uniform1f(o.fogNear,u.near),b.uniform1f(o.fogFar,u.far),b.uniform1i(o.fogType,1),i=1,t=1):u.isFogExp2&&(b.uniform1f(o.fogDensity,u.density),b.uniform1i(o.fogType,2),i=2,t=2)):(b.uniform1i(o.fogType,0),i=0,t=0);for(var v=0,w=e.length;v<w;v++){var x=e[v];x.modelViewMatrix.multiplyMatrices(g.matrixWorldInverse,x.matrixWorld),x.z=-x.modelViewMatrix.elements[14]}e.sort(j);for(var y=[],v=0,w=e.length;v<w;v++){var x=e[v],z=x.material;if(!1!==z.visible){x.onBeforeRender(a,f,g,void 0,z,void 0),b.uniform1f(o.alphaTest,z.alphaTest),b.uniformMatrix4fv(o.modelViewMatrix,!1,x.modelViewMatrix.elements),x.matrixWorld.decompose(q,r,s),y[0]=s.x,y[1]=s.y;var A=0;f.fog&&z.fog&&(A=t),i!==A&&(b.uniform1i(o.fogType,A),i=A),null!==z.map?(b.uniform2f(o.uvOffset,z.map.offset.x,z.map.offset.y),b.uniform2f(o.uvScale,z.map.repeat.x,z.map.repeat.y)):(b.uniform2f(o.uvOffset,0,0),b.uniform2f(o.uvScale,1,1)),b.uniform1f(o.opacity,z.opacity),b.uniform3f(o.color,z.color.r,z.color.g,z.color.b),b.uniform1f(o.rotation,z.rotation),b.uniform2fv(o.scale,y),c.setBlending(z.blending,z.blendEquation,z.blendSrc,z.blendDst,z.blendEquationAlpha,z.blendSrcAlpha,z.blendDstAlpha,z.premultipliedAlpha),c.buffers.depth.setTest(z.depthTest),c.buffers.depth.setMask(z.depthWrite),c.buffers.color.setMask(z.colorWrite),d.setTexture2D(z.map||p,0),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0),x.onAfterRender(a,f,g,void 0,z,void 0)}}c.enable(b.CULL_FACE),c.reset()}}}function Z(){Object.defineProperty(this,"id",{value:Of++}),this.uuid=yd.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.lights=!0,this.blending=Mb,this.side=Gb,this.flatShading=!1,this.vertexColors=Kb,this.opacity=1,this.transparent=!1,this.blendSrc=$b,this.blendDst=_b,this.blendEquation=Rb,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=ic,this.depthTest=!0,this.depthWrite=!0,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.overdraw=0,this.visible=!0,this.userData={},this.needsUpdate=!0}function $(a){Z.call(this),this.type="MeshDepthMaterial",this.depthPacking=wd,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.setValues(a)}function _(a){Z.call(this),this.type="MeshDistanceMaterial",this.referencePosition=new f,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.lights=!1,this.setValues(a)}function aa(a,b){this.min=void 0!==a?a:new f(1/0,1/0,1/0),this.max=void 0!==b?b:new f(-1/0,-1/0,-1/0)}function ba(a,b){this.center=void 0!==a?a:new f,this.radius=void 0!==b?b:0}function ca(a,b){this.normal=void 0!==a?a:new f(1,0,0),this.constant=void 0!==b?b:0}function da(a,b,c,d,e,f){this.planes=[void 0!==a?a:new ca,void 0!==b?b:new ca,void 0!==c?c:new ca,void 0!==d?d:new ca,void 0!==e?e:new ca,void 0!==f?f:new ca]}function ea(a,b,e){function g(b,c,d,e,f,g){var h=b.geometry,i=null,j=t,k=b.customDepthMaterial;if(d&&(j=u,k=b.customDistanceMaterial),k)i=k;else{var l=!1;c.morphTargets&&(h&&h.isBufferGeometry?l=h.morphAttributes&&h.morphAttributes.position&&h.morphAttributes.position.length>0:h&&h.isGeometry&&(l=h.morphTargets&&h.morphTargets.length>0)),b.isSkinnedMesh&&!1===c.skinning&&console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",b);var m=b.isSkinnedMesh&&c.skinning,n=0;l&&(n|=q),m&&(n|=r),i=j[n]}if(a.localClippingEnabled&&!0===c.clipShadows&&0!==c.clippingPlanes.length){var o=i.uuid,p=c.uuid,s=v[o];void 0===s&&(s={},v[o]=s);var w=s[p];void 0===w&&(w=i.clone(),s[p]=w),i=w}i.visible=c.visible,i.wireframe=c.wireframe;var x=c.side;return E.renderSingleSided&&x==Ib&&(x=Gb),E.renderReverseSided&&(x===Gb?x=Hb:x===Hb&&(x=Gb)),i.side=x,i.clipShadows=c.clipShadows,i.clippingPlanes=c.clippingPlanes,i.clipIntersection=c.clipIntersection,i.wireframeLinewidth=c.wireframeLinewidth,i.linewidth=c.linewidth,d&&i.isMeshDistanceMaterial&&(i.referencePosition.copy(e),i.nearDistance=f,i.farDistance=g),i}function h(c,d,e,f){if(!1!==c.visible){if(c.layers.test(d.layers)&&(c.isMesh||c.isLine||c.isPoints)&&c.castShadow&&(!c.frustumCulled||k.intersectsObject(c))){c.modelViewMatrix.multiplyMatrices(e.matrixWorldInverse,c.matrixWorld);var i=b.update(c),j=c.material;if(Array.isArray(j))for(var l=i.groups,m=0,n=l.length;m<n;m++){var o=l[m],q=j[o.materialIndex];if(q&&q.visible){var r=g(c,q,f,p,e.near,e.far);a.renderBufferDirect(e,null,i,r,c,o)}}else if(j.visible){var r=g(c,j,f,p,e.near,e.far);a.renderBufferDirect(e,null,i,r,c,null)}}for(var s=c.children,t=0,u=s.length;t<u;t++)h(s[t],d,e,f)}}for(var k=new da,l=new d,m=new c,n=new c(e,e),o=new f,p=new f,q=1,r=2,s=1+(q|r),t=new Array(s),u=new Array(s),v={},w=[new f(1,0,0),new f(-1,0,0),new f(0,0,1),new f(0,0,-1),new f(0,1,0),new f(0,-1,0)],x=[new f(0,1,0),new f(0,1,0),new f(0,1,0),new f(0,1,0),new f(0,0,1),new f(0,0,-1)],y=[new i,new i,new i,new i,new i,new i],z=0;z!==s;++z){var A=0!=(z&q),B=0!=(z&r),C=new $({depthPacking:xd,morphTargets:A,skinning:B});t[z]=C;var D=new _({morphTargets:A,skinning:B});u[z]=D}var E=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=Eb,this.renderReverseSided=!0,this.renderSingleSided=!0,this.render=function(b,c,d){if(!1!==E.enabled&&(!1!==E.autoUpdate||!1!==E.needsUpdate)&&0!==b.length){var e=a.context,f=a.state;f.disable(e.BLEND),f.buffers.color.setClear(1,1,1,1),f.buffers.depth.setTest(!0),f.setScissorTest(!1);for(var g,i=0,q=b.length;i<q;i++){var r=b[i],s=r.shadow,t=r&&r.isPointLight;if(void 0!==s){var u=s.camera;if(m.copy(s.mapSize),m.min(n),t){var v=m.x,z=m.y;y[0].set(2*v,z,v,z),y[1].set(0,z,v,z),y[2].set(3*v,z,v,z),y[3].set(v,z,v,z),y[4].set(3*v,0,v,z),y[5].set(v,0,v,z),m.x*=4,m.y*=2}if(null===s.map){var A={minFilter:Gc,magFilter:Gc,format:$c};s.map=new j(m.x,m.y,A),s.map.texture.name=r.name+".shadowMap",u.updateProjectionMatrix()}s.isSpotLightShadow&&s.update(r);var B=s.map,C=s.matrix;p.setFromMatrixPosition(r.matrixWorld),u.position.copy(p),t?(g=6,C.makeTranslation(-p.x,-p.y,-p.z)):(g=1,o.setFromMatrixPosition(r.target.matrixWorld),u.lookAt(o),u.updateMatrixWorld(),C.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),C.multiply(u.projectionMatrix),C.multiply(u.matrixWorldInverse)),a.setRenderTarget(B),a.clear();for(var D=0;D<g;D++){if(t){o.copy(u.position),o.add(w[D]),u.up.copy(x[D]),u.lookAt(o),u.updateMatrixWorld();var F=y[D];f.viewport(F)}l.multiplyMatrices(u.projectionMatrix,u.matrixWorldInverse),k.setFromMatrix(l),h(c,d,u,t)}}else console.warn("THREE.WebGLShadowMap:",r,"has no shadow.")}E.needsUpdate=!1}}}function fa(a){function b(b,c){var d=b.array,e=b.dynamic?a.DYNAMIC_DRAW:a.STATIC_DRAW,f=a.createBuffer();a.bindBuffer(c,f),a.bufferData(c,d,e),b.onUploadCallback();var g=a.FLOAT;return d instanceof Float32Array?g=a.FLOAT:d instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):d instanceof Uint16Array?g=a.UNSIGNED_SHORT:d instanceof Int16Array?g=a.SHORT:d instanceof Uint32Array?g=a.UNSIGNED_INT:d instanceof Int32Array?g=a.INT:d instanceof Int8Array?g=a.BYTE:d instanceof Uint8Array&&(g=a.UNSIGNED_BYTE),{buffer:f,type:g,bytesPerElement:d.BYTES_PER_ELEMENT,version:b.version}}function c(b,c,d){var e=c.array,f=c.updateRange;a.bindBuffer(d,b),!1===c.dynamic?a.bufferData(d,e,a.STATIC_DRAW):-1===f.count?a.bufferSubData(d,0,e):0===f.count?console.error("THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating 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f(1,1,1);h.onChange(a),i.onChange(b),Object.defineProperties(this,{position:{enumerable:!0,value:c},rotation:{enumerable:!0,value:h},quaternion:{enumerable:!0,value:i},scale:{enumerable:!0,value:j},modelViewMatrix:{value:new d},normalMatrix:{value:new g}}),this.matrix=new d,this.matrixWorld=new d,this.matrixAutoUpdate=ia.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new ha,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.userData={}}function ja(){ia.call(this),this.type="Camera",this.matrixWorldInverse=new d,this.projectionMatrix=new d}function ka(a,b,c,d,e,f){ja.call(this),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=a,this.right=b,this.top=c,this.bottom=d,this.near=void 0!==e?e:.1,this.far=void 0!==f?f:2e3,this.updateProjectionMatrix()}function la(a,b,c,d,e,g){this.a=a,this.b=b,this.c=c,this.normal=d&&d.isVector3?d:new f,this.vertexNormals=Array.isArray(d)?d:[],this.color=e&&e.isColor?e:new U,this.vertexColors=Array.isArray(e)?e:[],this.materialIndex=void 0!==g?g:0}function ma(){Object.defineProperty(this,"id",{value:Qf+=2}),this.uuid=yd.generateUUID(),this.name="",this.type="Geometry",this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.elementsNeedUpdate=!1,this.verticesNeedUpdate=!1,this.uvsNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.lineDistancesNeedUpdate=!1,this.groupsNeedUpdate=!1}function na(a,b,c){if(Array.isArray(a))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.uuid=yd.generateUUID(),this.name="",this.array=a,this.itemSize=b,this.count=void 0!==a?a.length/b:0,this.normalized=!0===c,this.dynamic=!1,this.updateRange={offset:0,count:-1},this.onUploadCallback=function(){},this.version=0}function oa(a,b,c){na.call(this,new Int8Array(a),b,c)}function pa(a,b,c){na.call(this,new Uint8Array(a),b,c)}function qa(a,b,c){na.call(this,new Uint8ClampedArray(a),b,c)}function ra(a,b,c){na.call(this,new Int16Array(a),b,c)}function sa(a,b,c){na.call(this,new Uint16Array(a),b,c)}function ta(a,b,c){na.call(this,new Int32Array(a),b,c)}function ua(a,b,c){na.call(this,new Uint32Array(a),b,c)}function va(a,b,c){na.call(this,new Float32Array(a),b,c)}function wa(a,b,c){na.call(this,new Float64Array(a),b,c)}function 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Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.",g)),i=b.get("EXT_texture_filter_anisotropic")){if(g.type===Sc&&null===b.get("OES_texture_float_linear"))return;if(g.type===Tc&&null===b.get("OES_texture_half_float_linear"))return;(g.anisotropy>1||d.get(g).__currentAnisotropy)&&(a.texParameterf(c,i.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(g.anisotropy,e.getMaxAnisotropy())),d.get(g).__currentAnisotropy=g.anisotropy)}}function v(b,d,m){void 0===b.__webglInit&&(b.__webglInit=!0,d.addEventListener("dispose",n),b.__webglTexture=a.createTexture(),d.isVideoTexture&&(E[d.id]=d),g.textures++),c.activeTexture(a.TEXTURE0+m),c.bindTexture(a.TEXTURE_2D,b.__webglTexture),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,d.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,d.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,d.unpackAlignment);var o=h(d.image,e.maxTextureSize);k(d)&&!1===i(o)&&(o=j(o));var p=i(o),q=f.convert(d.format),r=f.convert(d.type);u(a.TEXTURE_2D,d,p);var 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b=!1,c=null,d=null,e=null,f=null,g=null,h=null,i=null,j=null;return{setTest:function(b){b?m(a.STENCIL_TEST):n(a.STENCIL_TEST)},setMask:function(d){c===d||b||(a.stencilMask(d),c=d)},setFunc:function(b,c,g){d===b&&e===c&&f===g||(a.stencilFunc(b,c,g),d=b,e=c,f=g)},setOp:function(b,c,d){g===b&&h===c&&i===d||(a.stencilOp(b,c,d),g=b,h=c,i=d)},setLocked:function(a){b=a},setClear:function(b){j!==b&&(a.clearStencil(b),j=b)},reset:function(){b=!1,c=null,d=null,e=null,f=null,g=null,h=null,i=null,j=null}}}function g(b,c,d){var e=new Uint8Array(4),f=a.createTexture();a.bindTexture(b,f),a.texParameteri(b,a.TEXTURE_MIN_FILTER,a.NEAREST),a.texParameteri(b,a.TEXTURE_MAG_FILTER,a.NEAREST);for(var g=0;g<d;g++)a.texImage2D(c+g,0,a.RGBA,1,1,0,a.RGBA,a.UNSIGNED_BYTE,e);return f}function h(){for(var a=0,b=I.length;a<b;a++)I[a]=0}function j(c){if(I[c]=1,0===J[c]&&(a.enableVertexAttribArray(c),J[c]=1),0!==K[c]){b.get("ANGLE_instanced_arrays").vertexAttribDivisorANGLE(c,0),K[c]=0}}function 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e(b){if("highp"===b){if(a.getShaderPrecisionFormat(a.VERTEX_SHADER,a.HIGH_FLOAT).precision>0&&a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.HIGH_FLOAT).precision>0)return"highp";b="mediump"}return"mediump"===b&&a.getShaderPrecisionFormat(a.VERTEX_SHADER,a.MEDIUM_FLOAT).precision>0&&a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}var f,g=void 0!==c.precision?c.precision:"highp",h=e(g);h!==g&&(console.warn("THREE.WebGLRenderer:",g,"not supported, using",h,"instead."),g=h);var i=!0===c.logarithmicDepthBuffer,j=a.getParameter(a.MAX_TEXTURE_IMAGE_UNITS),k=a.getParameter(a.MAX_VERTEX_TEXTURE_IMAGE_UNITS),l=a.getParameter(a.MAX_TEXTURE_SIZE),m=a.getParameter(a.MAX_CUBE_MAP_TEXTURE_SIZE),n=a.getParameter(a.MAX_VERTEX_ATTRIBS),o=a.getParameter(a.MAX_VERTEX_UNIFORM_VECTORS),p=a.getParameter(a.MAX_VARYING_VECTORS),q=a.getParameter(a.MAX_FRAGMENT_UNIFORM_VECTORS),r=k>0,s=!!b.get("OES_texture_float");return{getMaxAnisotropy:d,getMaxPrecision:e,precision:g,logarithmicDepthBuffer:i,maxTextures:j,maxVertexTextures:k,maxTextureSize:l,maxCubemapSize:m,maxAttributes:n,maxVertexUniforms:o,maxVaryings:p,maxFragmentUniforms:q,vertexTextures:r,floatFragmentTextures:s,floatVertexTextures:r&&s}}function ob(a,b,c,d){ja.call(this),this.type="PerspectiveCamera",this.fov=void 0!==a?a:50,this.zoom=1,this.near=void 0!==c?c:.1,this.far=void 0!==d?d:2e3,this.focus=10,this.aspect=void 0!==b?b:1,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}function pb(a){ob.call(this),this.cameras=a||[]}function qb(a){function b(){if(null!==e&&e.isPresenting){var b=e.getEyeParameters("left"),d=b.renderWidth,f=b.renderHeight;n=a.getPixelRatio(),m=a.getSize(),a.setDrawingBufferSize(2*d,f,1)}else c.enabled&&a.setDrawingBufferSize(m.width,m.height,n)}var c=this,e=null,f=null,g=null;"undefined"!=typeof window&&"VRFrameData"in window&&(f=new window.VRFrameData);var h=new d,j=new ob;j.bounds=new i(0,0,.5,1),j.layers.enable(1);var k=new ob;k.bounds=new i(.5,0,.5,1),k.layers.enable(2);var l=new pb([j,k]);l.layers.enable(1),l.layers.enable(2);var m,n;"undefined"!=typeof window&&window.addEventListener("vrdisplaypresentchange",b,!1),this.enabled=!1,this.getDevice=function(){return e},this.setDevice=function(a){void 0!==a&&(e=a)},this.setPoseTarget=function(a){void 0!==a&&(g=a)},this.getCamera=function(a){if(null===e)return a;e.depthNear=a.near,e.depthFar=a.far,e.getFrameData(f);var b=f.pose,c=null!==g?g:a;if(null!==b.position?c.position.fromArray(b.position):c.position.set(0,0,0),null!==b.orientation&&c.quaternion.fromArray(b.orientation),c.updateMatrixWorld(),!1===e.isPresenting)return a;j.near=a.near,k.near=a.near,j.far=a.far,k.far=a.far,l.matrixWorld.copy(a.matrixWorld),l.matrixWorldInverse.copy(a.matrixWorldInverse),j.matrixWorldInverse.fromArray(f.leftViewMatrix),k.matrixWorldInverse.fromArray(f.rightViewMatrix);var d=c.parent;null!==d&&(h.getInverse(d.matrixWorld),j.matrixWorldInverse.multiply(h),k.matrixWorldInverse.multiply(h)),j.matrixWorld.getInverse(j.matrixWorldInverse),k.matrixWorld.getInverse(k.matrixWorldInverse),j.projectionMatrix.fromArray(f.leftProjectionMatrix),k.projectionMatrix.fromArray(f.rightProjectionMatrix),l.projectionMatrix.copy(j.projectionMatrix);var i=e.getLayers();if(i.length){var m=i[0];null!==m.leftBounds&&4===m.leftBounds.length&&j.bounds.fromArray(m.leftBounds),null!==m.rightBounds&&4===m.rightBounds.length&&k.bounds.fromArray(m.rightBounds)}return l},this.submitFrame=function(){e&&e.isPresenting&&e.submitFrame()},this.dispose=function(){"undefined"!=typeof window&&window.removeEventListener("vrdisplaypresentchange",b)}}function rb(a){var b={};return{get:function(c){if(void 0!==b[c])return b[c];var d;switch(c){case"WEBGL_depth_texture":d=a.getExtension("WEBGL_depth_texture")||a.getExtension("MOZ_WEBGL_depth_texture")||a.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":d=a.getExtension("EXT_texture_filter_anisotropic")||a.getExtension("MOZ_EXT_texture_filter_anisotropic")||a.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":d=a.getExtension("WEBGL_compressed_texture_s3tc")||a.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||a.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":d=a.getExtension("WEBGL_compressed_texture_pvrtc")||a.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;case"WEBGL_compressed_texture_etc1":d=a.getExtension("WEBGL_compressed_texture_etc1");break;default:d=a.getExtension(c)}return null===d&&console.warn("THREE.WebGLRenderer: "+c+" extension not supported."),b[c]=d,d}}}function sb(){function a(){k.value!==d&&(k.value=d,k.needsUpdate=e>0),c.numPlanes=e,c.numIntersection=0}function b(a,b,d,e){var f=null!==a?a.length:0,g=null;if(0!==f){if(g=k.value,!0!==e||null===g){var h=d+4*f,l=b.matrixWorldInverse;j.getNormalMatrix(l),(null===g||g.length<h)&&(g=new Float32Array(h));for(var m=0,n=d;m!==f;++m,n+=4)i.copy(a[m]).applyMatrix4(l,j),i.normal.toArray(g,n),g[n+3]=i.constant}k.value=g,k.needsUpdate=!0}return c.numPlanes=f,g}var c=this,d=null,e=0,f=!1,h=!1,i=new ca,j=new g,k={value:null,needsUpdate:!1};this.uniform=k,this.numPlanes=0,this.numIntersection=0,this.init=function(a,c,g){var h=0!==a.length||c||0!==e||f;return f=c,d=b(a,g,0),e=a.length,h},this.beginShadows=function(){h=!0,b(null)},this.endShadows=function(){h=!1,a()},this.setState=function(c,g,i,j,l,m){if(!f||null===c||0===c.length||h&&!i)h?b(null):a();else{var n=h?0:e,o=4*n,p=l.clippingState||null;k.value=p,p=b(c,j,o,m);for(var q=0;q!==o;++q)p[q]=d[q];l.clippingState=p,this.numIntersection=g?this.numPlanes:0,this.numPlanes+=n}}}function tb(a,b){function c(c){var d;if(c===Dc)return a.REPEAT;if(c===Ec)return a.CLAMP_TO_EDGE;if(c===Fc)return a.MIRRORED_REPEAT;if(c===Gc)return a.NEAREST;if(c===Hc)return a.NEAREST_MIPMAP_NEAREST;if(c===Ic)return a.NEAREST_MIPMAP_LINEAR;if(c===Jc)return a.LINEAR;if(c===Kc)return a.LINEAR_MIPMAP_NEAREST;if(c===Lc)return a.LINEAR_MIPMAP_LINEAR;if(c===Mc)return a.UNSIGNED_BYTE;if(c===Uc)return a.UNSIGNED_SHORT_4_4_4_4;if(c===Vc)return a.UNSIGNED_SHORT_5_5_5_1;if(c===Wc)return a.UNSIGNED_SHORT_5_6_5;if(c===Nc)return a.BYTE;if(c===Oc)return a.SHORT;if(c===Pc)return a.UNSIGNED_SHORT;if(c===Qc)return a.INT;if(c===Rc)return a.UNSIGNED_INT;if(c===Sc)return a.FLOAT;if(c===Tc&&null!==(d=b.get("OES_texture_half_float")))return d.HALF_FLOAT_OES;if(c===Yc)return a.ALPHA;if(c===Zc)return a.RGB;if(c===$c)return a.RGBA;if(c===_c)return a.LUMINANCE;if(c===ad)return a.LUMINANCE_ALPHA;if(c===bd)return a.DEPTH_COMPONENT;if(c===cd)return a.DEPTH_STENCIL;if(c===Rb)return a.FUNC_ADD;if(c===Sb)return a.FUNC_SUBTRACT;if(c===Tb)return a.FUNC_REVERSE_SUBTRACT;if(c===Wb)return a.ZERO;if(c===Xb)return a.ONE;if(c===Yb)return a.SRC_COLOR;if(c===Zb)return a.ONE_MINUS_SRC_COLOR;if(c===$b)return a.SRC_ALPHA;if(c===_b)return a.ONE_MINUS_SRC_ALPHA;if(c===ac)return a.DST_ALPHA;if(c===bc)return a.ONE_MINUS_DST_ALPHA;if(c===cc)return a.DST_COLOR;if(c===dc)return a.ONE_MINUS_DST_COLOR;if(c===ec)return a.SRC_ALPHA_SATURATE;if((c===dd||c===ed||c===fd||c===gd)&&null!==(d=b.get("WEBGL_compressed_texture_s3tc"))){if(c===dd)return d.COMPRESSED_RGB_S3TC_DXT1_EXT;if(c===ed)return d.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(c===fd)return d.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(c===gd)return d.COMPRESSED_RGBA_S3TC_DXT5_EXT}if((c===hd||c===id||c===jd||c===kd)&&null!==(d=b.get("WEBGL_compressed_texture_pvrtc"))){if(c===hd)return d.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(c===id)return d.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(c===jd)return d.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(c===kd)return d.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(c===ld&&null!==(d=b.get("WEBGL_compressed_texture_etc1")))return d.COMPRESSED_RGB_ETC1_WEBGL;if((c===Ub||c===Vb)&&null!==(d=b.get("EXT_blend_minmax"))){if(c===Ub)return d.MIN_EXT;if(c===Vb)return d.MAX_EXT}return c===Xc&&null!==(d=b.get("WEBGL_depth_texture"))?d.UNSIGNED_INT_24_8_WEBGL:0}return{convert:c}}function ub(a){function b(){return null===ba?qa:1}function c(){Ea=new rb(Ca),Ea.get("WEBGL_depth_texture"),Ea.get("OES_texture_float"),Ea.get("OES_texture_float_linear"),Ea.get("OES_texture_half_float"),Ea.get("OES_texture_half_float_linear"),Ea.get("OES_standard_derivatives"),Ea.get("OES_element_index_uint"),Ea.get("ANGLE_instanced_arrays"),bb=new tb(Ca,Ea),Fa=new nb(Ca,Ea,a),Ga=new mb(Ca,Ea,bb),Ga.scissor(la.copy(sa).multiplyScalar(qa)),Ga.viewport(ka.copy(ra).multiplyScalar(qa)),Ha=new lb,Ia=new kb(Ca,Ea,Ga,Ha,Fa,bb,Aa),Ja=new fa(Ca),La=new Ta(Ca,Ja,Aa),Ma=new Wa(La,Ba),Ya=new Qa(Ca),Pa=new jb(_,Ea,Fa),Na=new Va,Ua=new Oa,Xa=new Ka(_,Ga,La,Q),Za=new Sa(Ca,Ea,Ba),$a=new Ra(Ca,Ea,Ba),_a=new W(_,Ca,Ga,Ia,Fa),ab=new Y(_,Ca,Ga,Ia,Fa),_.info.programs=Pa.programs,_.context=Ca,_.capabilities=Fa,_.extensions=Ea,_.properties=Ha,_.renderLists=Ua,_.state=Ga}function e(a){a.preventDefault(),console.log("THREE.WebGLRenderer: Context Lost."),aa=!0}function g(){console.log("THREE.WebGLRenderer: Context Restored."),aa=!1,c()}function h(a){var b=a.target;b.removeEventListener("dispose",h),j(b)}function j(a){l(a),Ha.remove(a)}function l(a){var b=Ha.get(a).program;a.program=void 0,void 0!==b&&Pa.releaseProgram(b)}function m(a,b,c){a.render(function(a){_.renderBufferImmediate(a,b,c)})}function n(a,b,c,d){if(c&&c.isInstancedBufferGeometry&&null===Ea.get("ANGLE_instanced_arrays"))return void console.error("THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");void 0===d&&(d=0),Ga.initAttributes();var e=c.attributes,f=b.getAttributes(),g=a.defaultAttributeValues;for(var h in f){var i=f[h];if(i>=0){var j=e[h];if(void 0!==j){var k=j.normalized,l=j.itemSize,m=Ja.get(j);if(void 0===m)continue;var n=m.buffer,o=m.type,p=m.bytesPerElement;if(j.isInterleavedBufferAttribute){var q=j.data,r=q.stride,s=j.offset;q&&q.isInstancedInterleavedBuffer?(Ga.enableAttributeAndDivisor(i,q.meshPerAttribute),void 0===c.maxInstancedCount&&(c.maxInstancedCount=q.meshPerAttribute*q.count)):Ga.enableAttribute(i),Ca.bindBuffer(Ca.ARRAY_BUFFER,n),Ca.vertexAttribPointer(i,l,o,k,r*p,(d*r+s)*p)}else j.isInstancedBufferAttribute?(Ga.enableAttributeAndDivisor(i,j.meshPerAttribute),void 0===c.maxInstancedCount&&(c.maxInstancedCount=j.meshPerAttribute*j.count)):Ga.enableAttribute(i),Ca.bindBuffer(Ca.ARRAY_BUFFER,n),Ca.vertexAttribPointer(i,l,o,k,0,d*l*p)}else if(void 0!==g){var t=g[h];if(void 0!==t)switch(t.length){case 2:Ca.vertexAttrib2fv(i,t);break;case 3:Ca.vertexAttrib3fv(i,t);break;case 4:Ca.vertexAttrib4fv(i,t);break;default:Ca.vertexAttrib1fv(i,t)}}}}Ga.disableUnusedAttributes()}function o(){if(!eb){var a=cb.getDevice();a&&a.isPresenting?a.requestAnimationFrame(p):window.requestAnimationFrame(p),eb=!0}}function p(a){null!==fb&&fb(a);var b=cb.getDevice();b&&b.isPresenting?b.requestAnimationFrame(p):window.requestAnimationFrame(p)}function q(a,b,c){if(!1!==a.visible){if(a.layers.test(b.layers))if(a.isLight)U.push(a),a.castShadow&&V.push(a);else if(a.isSprite)a.frustumCulled&&!ua.intersectsSprite(a)||Z.push(a);else if(a.isLensFlare)$.push(a);else if(a.isImmediateRenderObject)c&&za.setFromMatrixPosition(a.matrixWorld).applyMatrix4(ya),X.push(a,null,a.material,za.z,null);else if((a.isMesh||a.isLine||a.isPoints)&&(a.isSkinnedMesh&&a.skeleton.update(),!a.frustumCulled||ua.intersectsObject(a))){c&&za.setFromMatrixPosition(a.matrixWorld).applyMatrix4(ya);var d=Ma.update(a),e=a.material;if(Array.isArray(e))for(var f=d.groups,g=0,h=f.length;g<h;g++){var i=f[g],j=e[i.materialIndex];j&&j.visible&&X.push(a,d,j,za.z,i)}else e.visible&&X.push(a,d,e,za.z,null)}for(var k=a.children,g=0,h=k.length;g<h;g++)q(k[g],b,c)}}function r(a,b,c,d){for(var e=0,f=a.length;e<f;e++){var g=a[e],h=g.object,i=g.geometry,j=void 0===d?g.material:d,k=g.group;if(c.isArrayCamera){ja=c;for(var l=c.cameras,m=0,n=l.length;m<n;m++){var o=l[m];if(h.layers.test(o.layers)){var p=o.bounds,q=p.x*oa,r=p.y*pa,t=p.z*oa,u=p.w*pa;Ga.viewport(ka.set(q,r,t,u).multiplyScalar(qa)),s(h,b,o,i,j,k)}}}else ja=null,s(h,b,c,i,j,k)}}function s(a,b,c,d,e,f){if(a.onBeforeRender(_,b,c,d,e,f),a.modelViewMatrix.multiplyMatrices(c.matrixWorldInverse,a.matrixWorld),a.normalMatrix.getNormalMatrix(a.modelViewMatrix),a.isImmediateRenderObject){var g=a.isMesh&&a.matrixWorld.determinant()<0;Ga.setMaterial(e,g);var h=u(c,b.fog,e,a);ha="",m(a,h,e)}else _.renderBufferDirect(c,b.fog,d,e,a,f);a.onAfterRender(_,b,c,d,e,f)}function t(a,b,c){var d=Ha.get(a),e=Pa.getParameters(a,Na.state,V,b,va.numPlanes,va.numIntersection,c),f=Pa.getProgramCode(a,e),g=d.program,i=!0;if(void 0===g)a.addEventListener("dispose",h);else if(g.code!==f)l(a);else{if(void 0!==e.shaderID)return;i=!1}if(i){if(e.shaderID){var j=Nf[e.shaderID];d.shader={name:a.type,uniforms:Jd.clone(j.uniforms),vertexShader:j.vertexShader,fragmentShader:j.fragmentShader}}else d.shader={name:a.type,uniforms:a.uniforms,vertexShader:a.vertexShader,fragmentShader:a.fragmentShader};a.onBeforeCompile(d.shader),g=Pa.acquireProgram(a,d.shader,e,f),d.program=g,a.program=g}var k=g.getAttributes();if(a.morphTargets){a.numSupportedMorphTargets=0;for(var m=0;m<_.maxMorphTargets;m++)k["morphTarget"+m]>=0&&a.numSupportedMorphTargets++}if(a.morphNormals){a.numSupportedMorphNormals=0;for(var m=0;m<_.maxMorphNormals;m++)k["morphNormal"+m]>=0&&a.numSupportedMorphNormals++}var n=d.shader.uniforms;(a.isShaderMaterial||a.isRawShaderMaterial)&&!0!==a.clipping||(d.numClippingPlanes=va.numPlanes,d.numIntersection=va.numIntersection,n.clippingPlanes=va.uniform),d.fog=b,d.lightsHash=Na.state.hash,a.lights&&(n.ambientLightColor.value=Na.state.ambient,n.directionalLights.value=Na.state.directional,n.spotLights.value=Na.state.spot,n.rectAreaLights.value=Na.state.rectArea,n.pointLights.value=Na.state.point,n.hemisphereLights.value=Na.state.hemi,n.directionalShadowMap.value=Na.state.directionalShadowMap,n.directionalShadowMatrix.value=Na.state.directionalShadowMatrix,n.spotShadowMap.value=Na.state.spotShadowMap,n.spotShadowMatrix.value=Na.state.spotShadowMatrix,n.pointShadowMap.value=Na.state.pointShadowMap,n.pointShadowMatrix.value=Na.state.pointShadowMatrix);var o=d.program.getUniforms(),p=T.seqWithValue(o.seq,n);d.uniformsList=p}function u(a,b,c,d){na=0;var e=Ha.get(c);if(wa&&(xa||a!==ia)){var f=a===ia&&c.id===ga;va.setState(c.clippingPlanes,c.clipIntersection,c.clipShadows,a,e,f)}!1===c.needsUpdate&&(void 0===e.program?c.needsUpdate=!0:c.fog&&e.fog!==b?c.needsUpdate=!0:c.lights&&e.lightsHash!==Na.state.hash?c.needsUpdate=!0:void 0===e.numClippingPlanes||e.numClippingPlanes===va.numPlanes&&e.numIntersection===va.numIntersection||(c.needsUpdate=!0)),c.needsUpdate&&(t(c,b,d),c.needsUpdate=!1);var g=!1,h=!1,i=!1,j=e.program,l=j.getUniforms(),m=e.shader.uniforms;if(Ga.useProgram(j.program)&&(g=!0,h=!0,i=!0),c.id!==ga&&(ga=c.id,h=!0),g||a!==ia){if(l.setValue(Ca,"projectionMatrix",a.projectionMatrix),Fa.logarithmicDepthBuffer&&l.setValue(Ca,"logDepthBufFC",2/(Math.log(a.far+1)/Math.LN2)),ia!==(ja||a)&&(ia=ja||a,h=!0,i=!0),c.isShaderMaterial||c.isMeshPhongMaterial||c.isMeshStandardMaterial||c.envMap){var n=l.map.cameraPosition;void 0!==n&&n.setValue(Ca,za.setFromMatrixPosition(a.matrixWorld))}(c.isMeshPhongMaterial||c.isMeshLambertMaterial||c.isMeshBasicMaterial||c.isMeshStandardMaterial||c.isShaderMaterial||c.skinning)&&l.setValue(Ca,"viewMatrix",a.matrixWorldInverse)}if(c.skinning){l.setOptional(Ca,d,"bindMatrix"),l.setOptional(Ca,d,"bindMatrixInverse");var o=d.skeleton;if(o){var p=o.bones;if(Fa.floatVertexTextures){if(void 0===o.boneTexture){var q=Math.sqrt(4*p.length);q=yd.ceilPowerOfTwo(q),q=Math.max(q,4);var r=new Float32Array(q*q*4);r.set(o.boneMatrices);var s=new k(r,q,q,$c,Sc);o.boneMatrices=r,o.boneTexture=s,o.boneTextureSize=q}l.setValue(Ca,"boneTexture",o.boneTexture),l.setValue(Ca,"boneTextureSize",o.boneTextureSize)}else l.setOptional(Ca,o,"boneMatrices")}}return h&&(l.setValue(Ca,"toneMappingExposure",_.toneMappingExposure),l.setValue(Ca,"toneMappingWhitePoint",_.toneMappingWhitePoint),c.lights&&I(m,i),b&&c.fog&&z(m,b),c.isMeshBasicMaterial?v(m,c):c.isMeshLambertMaterial?(v(m,c),A(m,c)):c.isMeshPhongMaterial?(v(m,c),c.isMeshToonMaterial?C(m,c):B(m,c)):c.isMeshStandardMaterial?(v(m,c),c.isMeshPhysicalMaterial?E(m,c):D(m,c)):c.isMeshDepthMaterial?(v(m,c),F(m,c)):c.isMeshDistanceMaterial?(v(m,c),G(m,c)):c.isMeshNormalMaterial?(v(m,c),H(m,c)):c.isLineBasicMaterial?(w(m,c),c.isLineDashedMaterial&&x(m,c)):c.isPointsMaterial?y(m,c):c.isShadowMaterial&&(m.color.value=c.color,m.opacity.value=c.opacity),void 0!==m.ltcMat&&(m.ltcMat.value=Id.LTC_MAT_TEXTURE),void 0!==m.ltcMag&&(m.ltcMag.value=Id.LTC_MAG_TEXTURE),T.upload(Ca,e.uniformsList,m,_)),l.setValue(Ca,"modelViewMatrix",d.modelViewMatrix),l.setValue(Ca,"normalMatrix",d.normalMatrix),l.setValue(Ca,"modelMatrix",d.matrixWorld),j}function v(a,b){a.opacity.value=b.opacity,b.color&&(a.diffuse.value=b.color),b.emissive&&a.emissive.value.copy(b.emissive).multiplyScalar(b.emissiveIntensity),b.map&&(a.map.value=b.map),b.alphaMap&&(a.alphaMap.value=b.alphaMap),b.specularMap&&(a.specularMap.value=b.specularMap),b.envMap&&(a.envMap.value=b.envMap,a.flipEnvMap.value=b.envMap&&b.envMap.isCubeTexture?-1:1,a.reflectivity.value=b.reflectivity,a.refractionRatio.value=b.refractionRatio),b.lightMap&&(a.lightMap.value=b.lightMap,a.lightMapIntensity.value=b.lightMapIntensity),b.aoMap&&(a.aoMap.value=b.aoMap,a.aoMapIntensity.value=b.aoMapIntensity);var c;if(b.map?c=b.map:b.specularMap?c=b.specularMap:b.displacementMap?c=b.displacementMap:b.normalMap?c=b.normalMap:b.bumpMap?c=b.bumpMap:b.roughnessMap?c=b.roughnessMap:b.metalnessMap?c=b.metalnessMap:b.alphaMap?c=b.alphaMap:b.emissiveMap&&(c=b.emissiveMap),void 0!==c){if(c.isWebGLRenderTarget&&(c=c.texture),!0===c.matrixAutoUpdate){var d=c.offset,e=c.repeat,f=c.rotation,g=c.center;c.matrix.setUvTransform(d.x,d.y,e.x,e.y,f,g.x,g.y)}a.uvTransform.value.copy(c.matrix)}}function w(a,b){a.diffuse.value=b.color,a.opacity.value=b.opacity}function x(a,b){a.dashSize.value=b.dashSize,a.totalSize.value=b.dashSize+b.gapSize,a.scale.value=b.scale}function y(a,b){if(a.diffuse.value=b.color,a.opacity.value=b.opacity,a.size.value=b.size*qa,a.scale.value=.5*pa,a.map.value=b.map,null!==b.map){if(!0===b.map.matrixAutoUpdate){var c=b.map.offset,d=b.map.repeat,e=b.map.rotation,f=b.map.center;b.map.matrix.setUvTransform(c.x,c.y,d.x,d.y,e,f.x,f.y)}a.uvTransform.value.copy(b.map.matrix)}}function z(a,b){a.fogColor.value=b.color,b.isFog?(a.fogNear.value=b.near,a.fogFar.value=b.far):b.isFogExp2&&(a.fogDensity.value=b.density)}function A(a,b){b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap)}function B(a,b){a.specular.value=b.specular,a.shininess.value=Math.max(b.shininess,1e-4),b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap),b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale),b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale)),b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias)}function C(a,b){B(a,b),b.gradientMap&&(a.gradientMap.value=b.gradientMap)}function D(a,b){a.roughness.value=b.roughness,a.metalness.value=b.metalness,b.roughnessMap&&(a.roughnessMap.value=b.roughnessMap),b.metalnessMap&&(a.metalnessMap.value=b.metalnessMap),b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap),b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale),b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale)),b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias),b.envMap&&(a.envMapIntensity.value=b.envMapIntensity)}function E(a,b){a.clearCoat.value=b.clearCoat,a.clearCoatRoughness.value=b.clearCoatRoughness,D(a,b)}function F(a,b){b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias)}function G(a,b){b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias),a.referencePosition.value.copy(b.referencePosition),a.nearDistance.value=b.nearDistance,a.farDistance.value=b.farDistance}function H(a,b){b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale),b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale)),b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias)}function I(a,b){a.ambientLightColor.needsUpdate=b,a.directionalLights.needsUpdate=b,a.pointLights.needsUpdate=b,a.spotLights.needsUpdate=b,a.rectAreaLights.needsUpdate=b,a.hemisphereLights.needsUpdate=b}function J(){var a=na;return a>=Fa.maxTextures&&console.warn("THREE.WebGLRenderer: Trying to use "+a+" texture units while this GPU supports only "+Fa.maxTextures),na+=1,a}console.log("THREE.WebGLRenderer",zb),a=a||{};var K=void 0!==a.canvas?a.canvas:document.createElementNS("http://www.w3.org/1999/xhtml","canvas"),L=void 0!==a.context?a.context:null,M=void 0!==a.alpha&&a.alpha,N=void 0===a.depth||a.depth,O=void 0===a.stencil||a.stencil,P=void 0!==a.antialias&&a.antialias,Q=void 0===a.premultipliedAlpha||a.premultipliedAlpha,R=void 0!==a.preserveDrawingBuffer&&a.preserveDrawingBuffer,S=void 0!==a.powerPreference?a.powerPreference:"default",U=[],V=[],X=null,Z=[],$=[];this.domElement=K,this.context=null,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.gammaInput=!1,this.gammaOutput=!1,this.physicallyCorrectLights=!1,this.toneMapping=rc,this.toneMappingExposure=1,this.toneMappingWhitePoint=1,this.maxMorphTargets=8,this.maxMorphNormals=4;var _=this,aa=!1,ba=null,ca=null,ga=-1,ha="",ia=null,ja=null,ka=new i,la=new i,ma=null,na=0,oa=K.width,pa=K.height,qa=1,ra=new i(0,0,oa,pa),sa=new i(0,0,oa,pa),ta=!1,ua=new da,va=new sb,wa=!1,xa=!1,ya=new d,za=new f,Aa={geometries:0,textures:0},Ba={frame:0,calls:0,vertices:0,faces:0,points:0};this.info={render:Ba,memory:Aa,programs:null};var Ca;try{var Da={alpha:M,depth:N,stencil:O,antialias:P,premultipliedAlpha:Q,preserveDrawingBuffer:R,powerPreference:S};if(K.addEventListener("webglcontextlost",e,!1),K.addEventListener("webglcontextrestored",g,!1),null===(Ca=L||K.getContext("webgl",Da)||K.getContext("experimental-webgl",Da)))throw null!==K.getContext("webgl")?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.");void 0===Ca.getShaderPrecisionFormat&&(Ca.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}})}catch(a){console.error("THREE.WebGLRenderer: "+a.message)}var Ea,Fa,Ga,Ha,Ia,Ja,La,Ma,Na,Pa,Ua,Xa,Ya,Za,$a,_a,ab,bb;c();var cb=new qb(_);this.vr=cb;var db=new ea(_,Ma,Fa.maxTextureSize);this.shadowMap=db,this.getContext=function(){return Ca},this.getContextAttributes=function(){return Ca.getContextAttributes()},this.forceContextLoss=function(){var a=Ea.get("WEBGL_lose_context");a&&a.loseContext()},this.forceContextRestore=function(){var a=Ea.get("WEBGL_lose_context");a&&a.restoreContext()},this.getPixelRatio=function(){return qa},this.setPixelRatio=function(a){void 0!==a&&(qa=a,this.setSize(oa,pa,!1))},this.getSize=function(){return{width:oa,height:pa}},this.setSize=function(a,b,c){var d=cb.getDevice();if(d&&d.isPresenting)return void console.warn("THREE.WebGLRenderer: Can't change size while VR device is 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e=b.getAttributes();if(a.hasPositions&&(Ca.bindBuffer(Ca.ARRAY_BUFFER,d.position),Ca.bufferData(Ca.ARRAY_BUFFER,a.positionArray,Ca.DYNAMIC_DRAW),Ga.enableAttribute(e.position),Ca.vertexAttribPointer(e.position,3,Ca.FLOAT,!1,0,0)),a.hasNormals){if(Ca.bindBuffer(Ca.ARRAY_BUFFER,d.normal),!c.isMeshPhongMaterial&&!c.isMeshStandardMaterial&&!c.isMeshNormalMaterial&&!0===c.flatShading)for(var f=0,g=3*a.count;f<g;f+=9){var h=a.normalArray,i=(h[f+0]+h[f+3]+h[f+6])/3,j=(h[f+1]+h[f+4]+h[f+7])/3,k=(h[f+2]+h[f+5]+h[f+8])/3;h[f+0]=i,h[f+1]=j,h[f+2]=k,h[f+3]=i,h[f+4]=j,h[f+5]=k,h[f+6]=i,h[f+7]=j,h[f+8]=k}Ca.bufferData(Ca.ARRAY_BUFFER,a.normalArray,Ca.DYNAMIC_DRAW),Ga.enableAttribute(e.normal),Ca.vertexAttribPointer(e.normal,3,Ca.FLOAT,!1,0,0)}a.hasUvs&&c.map&&(Ca.bindBuffer(Ca.ARRAY_BUFFER,d.uv),Ca.bufferData(Ca.ARRAY_BUFFER,a.uvArray,Ca.DYNAMIC_DRAW),Ga.enableAttribute(e.uv),Ca.vertexAttribPointer(e.uv,2,Ca.FLOAT,!1,0,0)),a.hasColors&&c.vertexColors!==Kb&&(Ca.bindBuffer(Ca.ARRAY_BUFFER,d.color),Ca.bufferData(Ca.ARRAY_BUFFER,a.colorArray,Ca.DYNAMIC_DRAW),Ga.enableAttribute(e.color),Ca.vertexAttribPointer(e.color,3,Ca.FLOAT,!1,0,0)),Ga.disableUnusedAttributes(),Ca.drawArrays(Ca.TRIANGLES,0,a.count),a.count=0},this.renderBufferDirect=function(a,c,d,e,f,g){var h=f.isMesh&&f.matrixWorld.determinant()<0;Ga.setMaterial(e,h);var i=u(a,c,e,f),j=d.id+"_"+i.id+"_"+(!0===e.wireframe),k=!1;j!==ha&&(ha=j,k=!0),f.morphTargetInfluences&&(Ya.update(f,d,e,i),k=!0);var l=d.index,m=d.attributes.position,o=1;!0===e.wireframe&&(l=La.getWireframeAttribute(d),o=2);var p,q=Za;null!==l&&(p=Ja.get(l),q=$a,q.setIndex(p)),k&&(n(e,i,d),null!==l&&Ca.bindBuffer(Ca.ELEMENT_ARRAY_BUFFER,p.buffer));var r=0;null!==l?r=l.count:void 0!==m&&(r=m.count);var s=d.drawRange.start*o,t=d.drawRange.count*o,v=null!==g?g.start*o:0,w=null!==g?g.count*o:1/0,x=Math.max(s,v),y=Math.min(r,s+t,v+w)-1,z=Math.max(0,y-x+1);if(0!==z){if(f.isMesh)if(!0===e.wireframe)Ga.setLineWidth(e.wireframeLinewidth*b()),q.setMode(Ca.LINES);else switch(f.drawMode){case md:q.setMode(Ca.TRIANGLES);break;case nd:q.setMode(Ca.TRIANGLE_STRIP);break;case od:q.setMode(Ca.TRIANGLE_FAN)}else if(f.isLine){var A=e.linewidth;void 0===A&&(A=1),Ga.setLineWidth(A*b()),f.isLineSegments?q.setMode(Ca.LINES):f.isLineLoop?q.setMode(Ca.LINE_LOOP):q.setMode(Ca.LINE_STRIP)}else 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Use .addVectors( a, b ) instead."),this.addVectors(a,b)):(this.x+=a.x,this.y+=a.y,this)},addScalar:function(a){return this.x+=a,this.y+=a,this},addVectors:function(a,b){return this.x=a.x+b.x,this.y=a.y+b.y,this},addScaledVector:function(a,b){return this.x+=a.x*b,this.y+=a.y*b,this},sub:function(a,b){return void 0!==b?(console.warn("THREE.Vector2: .sub() now only accepts one argument. 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c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},roundToZero:function(){return 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},negate:function(){return this.x=-this.x,this.y=-this.y,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)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var a=Math.atan2(this.y,this.x);return a<0&&(a+=2*Math.PI),a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;return b*b+c*c},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){return this.x+=(a.x-this.x)*b,this.y+=(a.y-this.y)*b,this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){return void 0===b&&(b=0),this.x=a[b],this.y=a[b+1],this},toArray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.x,a[b+1]=this.y,a},fromBufferAttribute:function(a,b,c){return void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=a.getX(b),this.y=a.getY(b),this},rotateAround:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=this.x-a.x,f=this.y-a.y;return this.x=e*c-f*d+a.x,this.y=e*d+f*c+a.y,this}}),Object.assign(d.prototype,{isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p){var q=this.elements;return q[0]=a,q[4]=b,q[8]=c,q[12]=d,q[1]=e,q[5]=f,q[9]=g,q[13]=h,q[2]=i,q[6]=j,q[10]=k,q[14]=l,q[3]=m,q[7]=n,q[11]=o,q[15]=p,this},identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},clone:function(){return(new d).fromArray(this.elements)},copy:function(a){var b=this.elements,c=a.elements;return b[0]=c[0],b[1]=c[1],b[2]=c[2],b[3]=c[3],b[4]=c[4],b[5]=c[5],b[6]=c[6],b[7]=c[7],b[8]=c[8],b[9]=c[9],b[10]=c[10],b[11]=c[11],b[12]=c[12],b[13]=c[13],b[14]=c[14],b[15]=c[15],this},copyPosition:function(a){var b=this.elements,c=a.elements;return b[12]=c[12],b[13]=c[13],b[14]=c[14],this},extractBasis:function(a,b,c){return a.setFromMatrixColumn(this,0),b.setFromMatrixColumn(this,1),c.setFromMatrixColumn(this,2),this},makeBasis:function(a,b,c){return 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),this},extractRotation:function(){var a=new f;return function(b){var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length(),g=1/a.setFromMatrixColumn(b,2).length();return 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]*g,c[9]=d[9]*g,c[10]=d[10]*g,this}}(),makeRotationFromEuler:function(a){a&&a.isEuler||console.error("THREE.Matrix4: .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),g=Math.sin(c),h=Math.cos(d),i=Math.sin(d),j=Math.cos(e),k=Math.sin(e);if("XYZ"===a.order){var l=f*j,m=f*k,n=g*j,o=g*k;b[0]=h*j,b[4]=-h*k,b[8]=i,b[1]=m+n*i,b[5]=l-o*i,b[9]=-g*h,b[2]=o-l*i,b[6]=n+m*i,b[10]=f*h}else if("YXZ"===a.order){var p=h*j,q=h*k,r=i*j,s=i*k;b[0]=p+s*g,b[4]=r*g-q,b[8]=f*i,b[1]=f*k,b[5]=f*j,b[9]=-g,b[2]=q*g-r,b[6]=s+p*g,b[10]=f*h}else if("ZXY"===a.order){var p=h*j,q=h*k,r=i*j,s=i*k;b[0]=p-s*g,b[4]=-f*k,b[8]=r+q*g,b[1]=q+r*g,b[5]=f*j,b[9]=s-p*g,b[2]=-f*i,b[6]=g,b[10]=f*h}else if("ZYX"===a.order){var l=f*j,m=f*k,n=g*j,o=g*k;b[0]=h*j,b[4]=n*i-m,b[8]=l*i+o,b[1]=h*k,b[5]=o*i+l,b[9]=m*i-n,b[2]=-i,b[6]=g*h,b[10]=f*h}else if("YZX"===a.order){var t=f*h,u=f*i,v=g*h,w=g*i;b[0]=h*j,b[4]=w-t*k,b[8]=v*k+u,b[1]=k,b[5]=f*j,b[9]=-g*j,b[2]=-i*j,b[6]=u*k+v,b[10]=t-w*k}else if("XZY"===a.order){var t=f*h,u=f*i,v=g*h,w=g*i;b[0]=h*j,b[4]=-k,b[8]=i*j,b[1]=t*k+w,b[5]=f*j,b[9]=u*k-v,b[2]=v*k-u,b[6]=g*j,b[10]=w*k+t}return b[3]=0,b[7]=0,b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,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,i=e+e,j=c*g,k=c*h,l=c*i,m=d*h,n=d*i,o=e*i,p=f*g,q=f*h,r=f*i;return b[0]=1-(m+o),b[4]=k-r,b[8]=l+q,b[1]=k+r,b[5]=1-(j+o),b[9]=n-p,b[2]=l-q,b[6]=n+p,b[10]=1-(j+m),b[3]=0,b[7]=0,b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,this},lookAt:function(){var a=new f,b=new f,c=new f;return function(d,e,f){var g=this.elements;return c.subVectors(d,e),0===c.lengthSq()&&(c.z=1),c.normalize(),a.crossVectors(f,c),0===a.lengthSq()&&(1===Math.abs(f.z)?c.x+=1e-4:c.z+=1e-4,c.normalize(),a.crossVectors(f,c)),a.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,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],i=c[12],j=c[1],k=c[5],l=c[9],m=c[13],n=c[2],o=c[6],p=c[10],q=c[14],r=c[3],s=c[7],t=c[11],u=c[15],v=d[0],w=d[4],x=d[8],y=d[12],z=d[1],A=d[5],B=d[9],C=d[13],D=d[2],E=d[6],F=d[10],G=d[14],H=d[3],I=d[7],J=d[11],K=d[15];return e[0]=f*v+g*z+h*D+i*H,e[4]=f*w+g*A+h*E+i*I,e[8]=f*x+g*B+h*F+i*J,e[12]=f*y+g*C+h*G+i*K,e[1]=j*v+k*z+l*D+m*H,e[5]=j*w+k*A+l*E+m*I,e[9]=j*x+k*B+l*F+m*J,e[13]=j*y+k*C+l*G+m*K,e[2]=n*v+o*z+p*D+q*H,e[6]=n*w+o*A+p*E+q*I,e[10]=n*x+o*B+p*F+q*J,e[14]=n*y+o*C+p*G+q*K,e[3]=r*v+s*z+t*D+u*H,e[7]=r*w+s*A+t*E+u*I,e[11]=r*x+s*B+t*F+u*J,e[15]=r*y+s*C+t*G+u*K,this},multiplyScalar:function(a){var b=this.elements;return 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,this},applyToBufferAttribute:function(){var a=new f;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix4(this),b.setXYZ(c,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],i=a[13],j=a[2],k=a[6],l=a[10],m=a[14];return a[3]*(+e*h*k-d*i*k-e*g*l+c*i*l+d*g*m-c*h*m)+a[7]*(+b*h*m-b*i*l+e*f*l-d*f*m+d*i*j-e*h*j)+a[11]*(+b*i*k-b*g*m-e*f*k+c*f*m+e*g*j-c*i*j)+a[15]*(-d*g*j-b*h*k+b*g*l+d*f*k-c*f*l+c*h*j)},transpose:function(){var a,b=this.elements;return a=b[1],b[1]=b[4],b[4]=a,a=b[2],b[2]=b[8],b[8]=a,a=b[6],b[6]=b[9],b[9]=a,a=b[3],b[3]=b[12],b[12]=a,a=b[7],b[7]=b[13],b[13]=a,a=b[11],b[11]=b[14],b[14]=a,this},setPosition:function(a){var b=this.elements;return b[12]=a.x,b[13]=a.y,b[14]=a.z,this},getInverse:function(a,b){var c=this.elements,d=a.elements,e=d[0],f=d[1],g=d[2],h=d[3],i=d[4],j=d[5],k=d[6],l=d[7],m=d[8],n=d[9],o=d[10],p=d[11],q=d[12],r=d[13],s=d[14],t=d[15],u=n*s*l-r*o*l+r*k*p-j*s*p-n*k*t+j*o*t,v=q*o*l-m*s*l-q*k*p+i*s*p+m*k*t-i*o*t,w=m*r*l-q*n*l+q*j*p-i*r*p-m*j*t+i*n*t,x=q*n*k-m*r*k-q*j*o+i*r*o+m*j*s-i*n*s,y=e*u+f*v+g*w+h*x;if(0===y){var z="THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0";if(!0===b)throw new Error(z);return console.warn(z),this.identity()}var A=1/y;return c[0]=u*A,c[1]=(r*o*h-n*s*h-r*g*p+f*s*p+n*g*t-f*o*t)*A,c[2]=(j*s*h-r*k*h+r*g*l-f*s*l-j*g*t+f*k*t)*A,c[3]=(n*k*h-j*o*h-n*g*l+f*o*l+j*g*p-f*k*p)*A,c[4]=v*A,c[5]=(m*s*h-q*o*h+q*g*p-e*s*p-m*g*t+e*o*t)*A,c[6]=(q*k*h-i*s*h-q*g*l+e*s*l+i*g*t-e*k*t)*A,c[7]=(i*o*h-m*k*h+m*g*l-e*o*l-i*g*p+e*k*p)*A,c[8]=w*A,c[9]=(q*n*h-m*r*h-q*f*p+e*r*p+m*f*t-e*n*t)*A,c[10]=(i*r*h-q*j*h+q*f*l-e*r*l-i*f*t+e*j*t)*A,c[11]=(m*j*h-i*n*h-m*f*l+e*n*l+i*f*p-e*j*p)*A,c[12]=x*A,c[13]=(m*r*g-q*n*g+q*f*o-e*r*o-m*f*s+e*n*s)*A,c[14]=(q*j*g-i*r*g-q*f*k+e*r*k+i*f*s-e*j*s)*A,c[15]=(i*n*g-m*j*g+m*f*k-e*n*k-i*f*o+e*j*o)*A,this},scale:function(a){var b=this.elements,c=a.x,d=a.y,e=a.z;return b[0]*=c,b[4]*=d,b[8]*=e,b[1]*=c,b[5]*=d,b[9]*=e,b[2]*=c,b[6]*=d,b[10]*=e,b[3]*=c,b[7]*=d,b[11]*=e,this},getMaxScaleOnAxis:function(){var a=this.elements,b=a[0]*a[0]+a[1]*a[1]+a[2]*a[2],c=a[4]*a[4]+a[5]*a[5]+a[6]*a[6],d=a[8]*a[8]+a[9]*a[9]+a[10]*a[10];return Math.sqrt(Math.max(b,c,d))},makeTranslation:function(a,b,c){return this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1),this},makeRotationX:function(a){var b=Math.cos(a),c=Math.sin(a);return this.set(1,0,0,0,0,b,-c,0,0,c,b,0,0,0,0,1),this},makeRotationY:function(a){var b=Math.cos(a),c=Math.sin(a);return this.set(b,0,c,0,0,1,0,0,-c,0,b,0,0,0,0,1),this},makeRotationZ:function(a){var b=Math.cos(a),c=Math.sin(a);return this.set(b,-c,0,0,c,b,0,0,0,0,1,0,0,0,0,1),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,i=e*f,j=e*g;return this.set(i*f+c,i*g-d*h,i*h+d*g,0,i*g+d*h,j*g+c,j*h-d*f,0,i*h-d*g,j*h+d*f,e*h*h+c,0,0,0,0,1),this},makeScale:function(a,b,c){return this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1),this},makeShear:function(a,b,c){return this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1),this},compose:function(a,b,c){return this.makeRotationFromQuaternion(b),this.scale(c),this.setPosition(a),this},decompose:function(){var a=new f,b=new d;return function(c,d,e){var f=this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),i=a.set(f[8],f[9],f[10]).length();this.determinant()<0&&(g=-g),c.x=f[12],c.y=f[13],c.z=f[14],b.copy(this);var j=1/g,k=1/h,l=1/i;return b.elements[0]*=j,b.elements[1]*=j,b.elements[2]*=j,b.elements[4]*=k,b.elements[5]*=k,b.elements[6]*=k,b.elements[8]*=l,b.elements[9]*=l,b.elements[10]*=l,d.setFromRotationMatrix(b),e.x=g,e.y=h,e.z=i,this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var g=this.elements,h=2*e/(b-a),i=2*e/(c-d),j=(b+a)/(b-a),k=(c+d)/(c-d),l=-(f+e)/(f-e),m=-2*f*e/(f-e);return g[0]=h,g[4]=0,g[8]=j,g[12]=0,g[1]=0,g[5]=i,g[9]=k,g[13]=0,g[2]=0,g[6]=0,g[10]=l,g[14]=m,g[3]=0,g[7]=0,g[11]=-1,g[15]=0,this},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),i=1/(c-d),j=1/(f-e),k=(b+a)*h,l=(c+d)*i,m=(f+e)*j;return g[0]=2*h,g[4]=0,g[8]=0,g[12]=-k,g[1]=0,g[5]=2*i,g[9]=0,g[13]=-l,g[2]=0,g[6]=0,g[10]=-2*j,g[14]=-m,g[3]=0,g[7]=0,g[11]=0,g[15]=1,this},equals:function(a){for(var b=this.elements,c=a.elements,d=0;d<16;d++)if(b[d]!==c[d])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;c<16;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]),void 0===b&&(b=0);var c=this.elements;return 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],a}}),Object.assign(e,{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],i=c[d+1],j=c[d+2],k=c[d+3],l=e[f+0],m=e[f+1],n=e[f+2],o=e[f+3];if(k!==o||h!==l||i!==m||j!==n){var p=1-g,q=h*l+i*m+j*n+k*o,r=q>=0?1:-1,s=1-q*q;if(s>Number.EPSILON){var t=Math.sqrt(s),u=Math.atan2(t,q*r);p=Math.sin(p*u)/t,g=Math.sin(g*u)/t}var v=g*r;if(h=h*p+l*v,i=i*p+m*v,j=j*p+n*v,k=k*p+o*v,p===1-g){var w=1/Math.sqrt(h*h+i*i+j*j+k*k);h*=w,i*=w,j*=w,k*=w}}a[b]=h,a[b+1]=i,a[b+2]=j,a[b+3]=k}}),Object.defineProperties(e.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a,this.onChangeCallback()}},w:{get:function(){return this._w},set:function(a){this._w=a,this.onChangeCallback()}}}),Object.assign(e.prototype,{set:function(a,b,c,d){return this._x=a,this._y=b,this._z=c,this._w=d,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){return this._x=a.x,this._y=a.y,this._z=a.z,this._w=a.w,this.onChangeCallback(),this},setFromEuler:function(a,b){if(!a||!a.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var c=a._x,d=a._y,e=a._z,f=a.order,g=Math.cos,h=Math.sin,i=g(c/2),j=g(d/2),k=g(e/2),l=h(c/2),m=h(d/2),n=h(e/2);return"XYZ"===f?(this._x=l*j*k+i*m*n,this._y=i*m*k-l*j*n,this._z=i*j*n+l*m*k,this._w=i*j*k-l*m*n):"YXZ"===f?(this._x=l*j*k+i*m*n,this._y=i*m*k-l*j*n,this._z=i*j*n-l*m*k,this._w=i*j*k+l*m*n):"ZXY"===f?(this._x=l*j*k-i*m*n,this._y=i*m*k+l*j*n,this._z=i*j*n+l*m*k,this._w=i*j*k-l*m*n):"ZYX"===f?(this._x=l*j*k-i*m*n,this._y=i*m*k+l*j*n,this._z=i*j*n-l*m*k,this._w=i*j*k+l*m*n):"YZX"===f?(this._x=l*j*k+i*m*n,this._y=i*m*k+l*j*n,this._z=i*j*n-l*m*k,this._w=i*j*k-l*m*n):"XZY"===f&&(this._x=l*j*k-i*m*n,this._y=i*m*k-l*j*n,this._z=i*j*n+l*m*k,this._w=i*j*k+l*m*n),!1!==b&&this.onChangeCallback(),this},setFromAxisAngle:function(a,b){var c=b/2,d=Math.sin(c);return this._x=a.x*d,this._y=a.y*d,this._z=a.z*d,this._w=Math.cos(c),this.onChangeCallback(),this},setFromRotationMatrix:function(a){var b,c=a.elements,d=c[0],e=c[4],f=c[8],g=c[1],h=c[5],i=c[9],j=c[2],k=c[6],l=c[10],m=d+h+l;return m>0?(b=.5/Math.sqrt(m+1),this._w=.25/b,this._x=(k-i)*b,this._y=(f-j)*b,this._z=(g-e)*b):d>h&&d>l?(b=2*Math.sqrt(1+d-h-l),this._w=(k-i)/b,this._x=.25*b,this._y=(e+g)/b,this._z=(f+j)/b):h>l?(b=2*Math.sqrt(1+h-d-l),this._w=(f-j)/b,this._x=(e+g)/b,this._y=.25*b,this._z=(i+k)/b):(b=2*Math.sqrt(1+l-d-h),this._w=(g-e)/b,this._x=(f+j)/b,this._y=(i+k)/b,this._z=.25*b),this.onChangeCallback(),this},setFromUnitVectors:function(){var a,b=new f;return function(c,d){return void 0===b&&(b=new f),a=c.dot(d)+1,a<1e-6?(a=0,Math.abs(c.x)>Math.abs(c.z)?b.set(-c.y,c.x,0):b.set(0,-c.z,c.y)):b.crossVectors(c,d),this._x=b.x,this._y=b.y,this._z=b.z,this._w=a,this.normalize()}}(),inverse:function(){return this.conjugate().normalize()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this.onChangeCallback(),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();return 0===a?(this._x=0,this._y=0,this._z=0,this._w=1):(a=1/a,this._x=this._x*a,this._y=this._y*a,this._z=this._z*a,this._w=this._w*a),this.onChangeCallback(),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)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z,f=a._w,g=b._x,h=b._y,i=b._z,j=b._w;return this._x=c*j+f*g+d*i-e*h,this._y=d*j+f*h+e*g-c*i,this._z=e*j+f*i+c*h-d*g,this._w=f*j-c*g-d*h-e*i,this.onChangeCallback(),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;if(g<0?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a),g>=1)return this._w=f,this._x=c,this._y=d,this._z=e,this;var h=Math.sqrt(1-g*g);if(Math.abs(h)<.001)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 i=Math.atan2(h,g),j=Math.sin((1-b)*i)/h,k=Math.sin(b*i)/h;return this._w=f*j+this._w*k,this._x=c*j+this._x*k,this._y=d*j+this._y*k,this._z=e*j+this._z*k,this.onChangeCallback(),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){return 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(),this},toArray:function(a,b){return 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,a},onChange:function(a){return this.onChangeCallback=a,this},onChangeCallback:function(){}}),Object.assign(f.prototype,{isVector3:!0,set:function(a,b,c){return this.x=a,this.y=b,this.z=c,this},setScalar:function(a){return this.x=a,this.y=a,this.z=a,this},setX:function(a){return this.x=a,this},setY:function(a){return this.y=a,this},setZ:function(a){return this.z=a,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 new Error("index is out of range: "+a)}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+a)}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){return this.x=a.x,this.y=a.y,this.z=a.z,this},add:function(a,b){return void 0!==b?(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,this)},addScalar:function(a){return this.x+=a,this.y+=a,this.z+=a,this},addVectors:function(a,b){return this.x=a.x+b.x,this.y=a.y+b.y,this.z=a.z+b.z,this},addScaledVector:function(a,b){return this.x+=a.x*b,this.y+=a.y*b,this.z+=a.z*b,this},sub:function(a,b){return void 0!==b?(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,this)},subScalar:function(a){return this.x-=a,this.y-=a,this.z-=a,this},subVectors:function(a,b){return this.x=a.x-b.x,this.y=a.y-b.y,this.z=a.z-b.z,this},multiply:function(a,b){return void 0!==b?(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,this)},multiplyScalar:function(a){return this.x*=a,this.y*=a,this.z*=a,this},multiplyVectors:function(a,b){return this.x=a.x*b.x,this.y=a.y*b.y,this.z=a.z*b.z,this},applyEuler:function(){var a=new e;return function(b){return b&&b.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a=new e;return function(b,c){return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements;return this.x=e[0]*b+e[3]*c+e[6]*d,this.y=e[1]*b+e[4]*c+e[7]*d,this.z=e[2]*b+e[5]*c+e[8]*d,this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements,f=1/(e[3]*b+e[7]*c+e[11]*d+e[15]);return this.x=(e[0]*b+e[4]*c+e[8]*d+e[12])*f,this.y=(e[1]*b+e[5]*c+e[9]*d+e[13])*f,this.z=(e[2]*b+e[6]*c+e[10]*d+e[14])*f,this},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z,h=a.w,i=h*b+f*d-g*c,j=h*c+g*b-e*d,k=h*d+e*c-f*b,l=-e*b-f*c-g*d;return this.x=i*h+l*-e+j*-g-k*-f,this.y=j*h+l*-f+k*-e-i*-g,this.z=k*h+l*-g+i*-f-j*-e,this},project:function(){var a=new d;return function(b){return a.multiplyMatrices(b.projectionMatrix,a.getInverse(b.matrixWorld)),this.applyMatrix4(a)}}(),unproject:function(){var a=new d;return function(b){return a.multiplyMatrices(b.matrixWorld,a.getInverse(b.projectionMatrix)),this.applyMatrix4(a)}}(),transformDirection:function(a){var b=this.x,c=this.y,d=this.z,e=a.elements;return this.x=e[0]*b+e[4]*c+e[8]*d,this.y=e[1]*b+e[5]*c+e[9]*d,this.z=e[2]*b+e[6]*c+e[10]*d,this.normalize()},divide:function(a){return this.x/=a.x,this.y/=a.y,this.z/=a.z,this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){return 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},max:function(a){return 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},clamp:function(a,b){return 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},clampScalar:function(){var a=new f,b=new f;return function(c,d){return a.set(c,c,c),b.set(d,d,d),this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},roundToZero:function(){return 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},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,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)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){return this.x+=(a.x-this.x)*b,this.y+=(a.y-this.y)*b,this.z+=(a.z-this.z)*b,this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},cross:function(a,b){return void 0!==b?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b)):this.crossVectors(this,a)},crossVectors:function(a,b){var c=a.x,d=a.y,e=a.z,f=b.x,g=b.y,h=b.z;return this.x=d*h-e*g,this.y=e*f-c*h,this.z=c*g-d*f,this},projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a=new f;return function(b){return a.copy(this).projectOnVector(b),this.sub(a)}}(),reflect:function(){var a=new f;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){var b=this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(yd.clamp(b,-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,d=this.z-a.z;return b*b+c*c+d*d},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-a.z)},setFromSpherical:function(a){var b=Math.sin(a.phi)*a.radius;return this.x=b*Math.sin(a.theta),this.y=Math.cos(a.phi)*a.radius,this.z=b*Math.cos(a.theta),this},setFromCylindrical:function(a){return this.x=a.radius*Math.sin(a.theta),this.y=a.y,this.z=a.radius*Math.cos(a.theta),this},setFromMatrixPosition:function(a){var b=a.elements;return this.x=b[12],this.y=b[13],this.z=b[14],this},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length(),d=this.setFromMatrixColumn(a,2).length();return this.x=b,this.y=c,this.z=d,this},setFromMatrixColumn:function(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){return void 0===b&&(b=0),this.x=a[b],this.y=a[b+1],this.z=a[b+2],this},toArray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.x,a[b+1]=this.y,a[b+2]=this.z,a},fromBufferAttribute:function(a,b,c){return void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=a.getX(b),this.y=a.getY(b),this.z=a.getZ(b),this}}),Object.assign(g.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,i){var j=this.elements;return j[0]=a,j[1]=d,j[2]=g,j[3]=b,j[4]=e,j[5]=h,j[6]=c,j[7]=f,j[8]=i,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){var b=this.elements,c=a.elements;return b[0]=c[0],b[1]=c[1],b[2]=c[2],b[3]=c[3],b[4]=c[4],b[5]=c[5],b[6]=c[6],b[7]=c[7],b[8]=c[8],this},setFromMatrix4:function(a){var b=a.elements;return this.set(b[0],b[4],b[8],b[1],b[5],b[9],b[2],b[6],b[10]),this},applyToBufferAttribute:function(){var a=new f;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return 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[3],h=c[6],i=c[1],j=c[4],k=c[7],l=c[2],m=c[5],n=c[8],o=d[0],p=d[3],q=d[6],r=d[1],s=d[4],t=d[7],u=d[2],v=d[5],w=d[8];return e[0]=f*o+g*r+h*u,e[3]=f*p+g*s+h*v,e[6]=f*q+g*t+h*w,e[1]=i*o+j*r+k*u,e[4]=i*p+j*s+k*v,e[7]=i*q+j*t+k*w,e[2]=l*o+m*r+n*u,e[5]=l*p+m*s+n*v,e[8]=l*q+m*t+n*w,this},multiplyScalar:function(a){var b=this.elements;return 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,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],i=a[7],j=a[8];return b*f*j-b*g*i-c*e*j+c*g*h+d*e*i-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&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],i=c[4],j=c[5],k=c[6],l=c[7],m=c[8],n=m*i-j*l,o=j*k-m*h,p=l*h-i*k,q=e*n+f*o+g*p;if(0===q){var r="THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0";if(!0===b)throw new Error(r);return console.warn(r),this.identity()}var s=1/q;return d[0]=n*s,d[1]=(g*l-m*f)*s,d[2]=(j*f-g*i)*s,d[3]=o*s,d[4]=(m*e-g*k)*s,d[5]=(g*h-j*e)*s,d[6]=p*s,d[7]=(f*k-l*e)*s,d[8]=(i*e-f*h)*s,this},transpose:function(){var a,b=this.elements;return 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,this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;return 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],this},setUvTransform:function(a,b,c,d,e,f,g){var h=Math.cos(e),i=Math.sin(e);this.set(c*h,c*i,-c*(h*f+i*g)+f+a,-d*i,d*h,-d*(-i*f+h*g)+g+b,0,0,1)},scale:function(a,b){var c=this.elements;return c[0]*=a,c[3]*=a,c[6]*=a,c[1]*=b,c[4]*=b,c[7]*=b,this},rotate:function(a){var b=Math.cos(a),c=Math.sin(a),d=this.elements,e=d[0],f=d[3],g=d[6],h=d[1],i=d[4],j=d[7];return d[0]=b*e+c*h,d[3]=b*f+c*i,d[6]=b*g+c*j,d[1]=-c*e+b*h,d[4]=-c*f+b*i,d[7]=-c*g+b*j,this},translate:function(a,b){var c=this.elements;return c[0]+=a*c[2],c[3]+=a*c[5],c[6]+=a*c[8],c[1]+=b*c[2],c[4]+=b*c[5],c[7]+=b*c[8],this},equals:function(a){for(var b=this.elements,c=a.elements,d=0;d<9;d++)if(b[d]!==c[d])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;c<9;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]),void 0===b&&(b=0);var c=this.elements;return 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}});var zd=0;h.DEFAULT_IMAGE=void 0,h.DEFAULT_MAPPING=vc,h.prototype=Object.assign(Object.create(b.prototype),{constructor:h,isTexture:!0,clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.name=a.name,this.image=a.image,this.mipmaps=a.mipmaps.slice(0),this.mapping=a.mapping,this.wrapS=a.wrapS,this.wrapT=a.wrapT,this.magFilter=a.magFilter,this.minFilter=a.minFilter,this.anisotropy=a.anisotropy,this.format=a.format,this.type=a.type,this.offset.copy(a.offset),this.repeat.copy(a.repeat),this.center.copy(a.center),this.rotation=a.rotation,this.matrixAutoUpdate=a.matrixAutoUpdate,this.matrix.copy(a.matrix),this.generateMipmaps=a.generateMipmaps,this.premultiplyAlpha=a.premultiplyAlpha,this.flipY=a.flipY,this.unpackAlignment=a.unpackAlignment,this.encoding=a.encoding,this},toJSON:function(a){function b(a){var b;if(a instanceof HTMLCanvasElement)b=a;else{b=document.createElementNS("http://www.w3.org/1999/xhtml","canvas"),b.width=a.width,b.height=a.height;var c=b.getContext("2d");a instanceof ImageData?c.putImageData(a,0,0):c.drawImage(a,0,0,a.width,a.height)}return b.width>2048||b.height>2048?b.toDataURL("image/jpeg",.6):b.toDataURL("image/png")}var c=void 0===a||"string"==typeof a;if(!c&&void 0!==a.textures[this.uuid])return a.textures[this.uuid];var d={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],minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY};if(void 0!==this.image){var e=this.image;void 0===e.uuid&&(e.uuid=yd.generateUUID()),c||void 0!==a.images[e.uuid]||(a.images[e.uuid]={uuid:e.uuid,url:b(e)}),d.image=e.uuid}return c||(a.textures[this.uuid]=d),d},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(a){if(this.mapping===vc){if(a.applyMatrix3(this.matrix),a.x<0||a.x>1)switch(this.wrapS){case Dc:a.x=a.x-Math.floor(a.x);break;case Ec:a.x=a.x<0?0:1;break;case Fc:1===Math.abs(Math.floor(a.x)%2)?a.x=Math.ceil(a.x)-a.x:a.x=a.x-Math.floor(a.x)}if(a.y<0||a.y>1)switch(this.wrapT){case Dc:a.y=a.y-Math.floor(a.y);break;case Ec:a.y=a.y<0?0:1;break;case Fc:1===Math.abs(Math.floor(a.y)%2)?a.y=Math.ceil(a.y)-a.y:a.y=a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y)}}}),Object.defineProperty(h.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}}),Object.assign(i.prototype,{isVector4:!0,set:function(a,b,c,d){return this.x=a,this.y=b,this.z=c,this.w=d,this},setScalar:function(a){return this.x=a,this.y=a,this.z=a,this.w=a,this},setX:function(a){return this.x=a,this},setY:function(a){return this.y=a,this},setZ:function(a){return this.z=a,this},setW:function(a){return this.w=a,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 new Error("index is out of range: "+a)}return this},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 new Error("index is out of range: "+a)}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){return this.x=a.x,this.y=a.y,this.z=a.z,this.w=void 0!==a.w?a.w:1,this},add:function(a,b){return void 0!==b?(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,this)},addScalar:function(a){return this.x+=a,this.y+=a,this.z+=a,this.w+=a,this},addVectors:function(a,b){return this.x=a.x+b.x,this.y=a.y+b.y,this.z=a.z+b.z,this.w=a.w+b.w,this},addScaledVector:function(a,b){return this.x+=a.x*b,this.y+=a.y*b,this.z+=a.z*b,this.w+=a.w*b,this},sub:function(a,b){return void 0!==b?(console.warn("THREE.Vector4: .sub() now only accepts one argument. 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d=b[c];void 0!==d&&this.setValue(a,c,d)},T.upload=function(a,b,c,d){for(var e=0,f=b.length;e!==f;++e){var g=b[e],h=c[g.id];!1!==h.needsUpdate&&g.setValue(a,h.value,d)}},T.seqWithValue=function(a,b){for(var c=[],d=0,e=a.length;d!==e;++d){var f=a[d];f.id in b&&c.push(f)}return c};var Hd={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074};Object.assign(U.prototype,{isColor:!0,r:1,g:1,b:1,set:function(a){return a&&a.isColor?this.copy(a):"number"==typeof a?this.setHex(a):"string"==typeof a&&this.setStyle(a),this},setScalar:function(a){return this.r=a,this.g=a,this.b=a,this},setHex:function(a){return a=Math.floor(a),this.r=(a>>16&255)/255,this.g=(a>>8&255)/255,this.b=(255&a)/255,this},setRGB:function(a,b,c){return this.r=a,this.g=b,this.b=c,this},setHSL:function(){function a(a,b,c){return c<0&&(c+=1),c>1&&(c-=1),c<1/6?a+6*(b-a)*c:c<.5?b:c<2/3?a+6*(b-a)*(2/3-c):a}return function(b,c,d){if(b=yd.euclideanModulo(b,1),c=yd.clamp(c,0,1),d=yd.clamp(d,0,1),0===c)this.r=this.g=this.b=d;else{var e=d<=.5?d*(1+c):d+c-d*c,f=2*d-e;this.r=a(f,e,b+1/3),this.g=a(f,e,b),this.b=a(f,e,b-1/3)}return this}}(),setStyle:function(a){function b(b){void 0!==b&&parseFloat(b)<1&&console.warn("THREE.Color: Alpha component of "+a+" will be ignored.")}var c;if(c=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(a)){var d,e=c[1],f=c[2];switch(e){case"rgb":case"rgba":if(d=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f))return this.r=Math.min(255,parseInt(d[1],10))/255,this.g=Math.min(255,parseInt(d[2],10))/255,this.b=Math.min(255,parseInt(d[3],10))/255,b(d[5]),this;if(d=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f))return this.r=Math.min(100,parseInt(d[1],10))/100,this.g=Math.min(100,parseInt(d[2],10))/100,this.b=Math.min(100,parseInt(d[3],10))/100,b(d[5]),this;break;case"hsl":case"hsla":if(d=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(f)){var g=parseFloat(d[1])/360,h=parseInt(d[2],10)/100,i=parseInt(d[3],10)/100;return b(d[5]),this.setHSL(g,h,i)}}}else if(c=/^\#([A-Fa-f0-9]+)$/.exec(a)){var j=c[1],k=j.length;if(3===k)return this.r=parseInt(j.charAt(0)+j.charAt(0),16)/255,this.g=parseInt(j.charAt(1)+j.charAt(1),16)/255,this.b=parseInt(j.charAt(2)+j.charAt(2),16)/255,this;if(6===k)return this.r=parseInt(j.charAt(0)+j.charAt(1),16)/255,this.g=parseInt(j.charAt(2)+j.charAt(3),16)/255,this.b=parseInt(j.charAt(4)+j.charAt(5),16)/255,this}if(a&&a.length>0){var j=Hd[a];void 0!==j?this.setHex(j):console.warn("THREE.Color: Unknown color "+a)}return this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(a){return this.r=a.r,this.g=a.g,this.b=a.b,this},copyGammaToLinear:function(a,b){return 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),this},copyLinearToGamma:function(a,b){void 0===b&&(b=2);var c=b>0?1/b:1;return this.r=Math.pow(a.r,c),this.g=Math.pow(a.g,c),this.b=Math.pow(a.b,c),this},convertGammaToLinear:function(){var a=this.r,b=this.g,c=this.b;return this.r=a*a,this.g=b*b,this.b=c*c,this},convertLinearToGamma:function(){return this.r=Math.sqrt(this.r),this.g=Math.sqrt(this.g),this.b=Math.sqrt(this.b),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){var b,c,d=a||{h:0,s:0,l:0},e=this.r,f=this.g,g=this.b,h=Math.max(e,f,g),i=Math.min(e,f,g),j=(i+h)/2;if(i===h)b=0,c=0;else{var k=h-i;switch(c=j<=.5?k/(h+i):k/(2-h-i),h){case e:b=(f-g)/k+(f<g?6:0);break;case f:b=(g-e)/k+2;break;case g:b=(e-f)/k+4}b/=6}return d.h=b,d.s=c,d.l=j,d},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();return d.h+=a,d.s+=b,d.l+=c,this.setHSL(d.h,d.s,d.l),this},add:function(a){return this.r+=a.r,this.g+=a.g,this.b+=a.b,this},addColors:function(a,b){return this.r=a.r+b.r,this.g=a.g+b.g,this.b=a.b+b.b,this},addScalar:function(a){return this.r+=a,this.g+=a,this.b+=a,this},sub:function(a){return this.r=Math.max(0,this.r-a.r),this.g=Math.max(0,this.g-a.g),this.b=Math.max(0,this.b-a.b),this},multiply:function(a){return this.r*=a.r,this.g*=a.g,this.b*=a.b,this},multiplyScalar:function(a){return this.r*=a,this.g*=a,this.b*=a,this},lerp:function(a,b){return this.r+=(a.r-this.r)*b,this.g+=(a.g-this.g)*b,this.b+=(a.b-this.b)*b,this},equals:function(a){return a.r===this.r&&a.g===this.g&&a.b===this.b},fromArray:function(a,b){return void 0===b&&(b=0),this.r=a[b],this.g=a[b+1],this.b=a[b+2],this},toArray:function(a,b){return void 0===a&&(a=[]),void 0===b&&(b=0),a[b]=this.r,a[b+1]=this.g,a[b+2]=this.b,a},toJSON:function(){return this.getHex()}});var Id={common:{diffuse:{value:new U(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new g},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new c(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new U(16777215)}},lights:{ambientLightColor:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{},shadow:{},shadowBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}}},points:{diffuse:{value:new U(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},uvTransform:{value:new g}}},Jd={merge:function(a){for(var b={},c=0;c<a.length;c++){var d=this.clone(a[c]);for(var e in d)b[e]=d[e]}return b},clone:function(a){var b={};for(var c in a){b[c]={};for(var d in a[c]){var e=a[c][d];e&&(e.isColor||e.isMatrix3||e.isMatrix4||e.isVector2||e.isVector3||e.isVector4||e.isTexture)?b[c][d]=e.clone():Array.isArray(e)?b[c][d]=e.slice():b[c][d]=e}}return b}},Kd="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n",Ld="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n",Md="#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n",Nd="#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n",Od="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",Pd="\nvec3 transformed = vec3( position );\n",Qd="\nvec3 objectNormal = vec3( normal );\n",Rd="float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tif( decayExponent > 0.0 ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tfloat maxDistanceCutoffFactor = pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\treturn distanceFalloff * maxDistanceCutoffFactor;\n#else\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n#endif\n\t}\n\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE  = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS  = 0.5 / LUT_SIZE;\n\tfloat theta = acos( dot( N, V ) );\n\tvec2 uv = vec2(\n\t\tsqrt( saturate( roughness ) ),\n\t\tsaturate( theta / ( 0.5 * PI ) ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.86267 + (0.49788 + 0.01436 * y ) * y;\n\tfloat b = 3.45068 + (4.18814 + y) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = (x > 0.0) ? v : 0.5 * inversesqrt( 1.0 - x * x ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tvec3 result = vec3( LTC_ClippedSphereFormFactor( vectorFormFactor ) );\n\treturn result;\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n",Sd="#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif\n",Td="#if NUM_CLIPPING_PLANES > 0\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; ++ i ) {\n\t\tvec4 plane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t\t\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; ++ i ) {\n\t\t\tvec4 plane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\tif ( clipped ) discard;\n\t\n\t#endif\n#endif\n",Ud="#if NUM_CLIPPING_PLANES > 0\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif\n",Vd="#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvarying vec3 vViewPosition;\n#endif\n",Wd="#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n",Xd="#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",Yd="#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif\n",Zd="#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",$d="#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif",_d="#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\n",ae="#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_textureSize (1024.0)\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1  (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\tbool bRes = mipLevel == 0.0;\n\tscale =  bRes && (scale < a) ? a : scale;\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\tfloat rcpPowScale = 1.0 / powScale;\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\nvec4 textureCubeUV(vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\tvec4 result = mix(color10, color20, t);\n\treturn vec4(result.rgb, 1.0);\n}\n#endif\n",be="vec3 transformedNormal = normalMatrix * objectNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n",ce="#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif\n",de="#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n#endif\n",ee="#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif\n",fe="#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif\n",ge="  gl_FragColor = linearToOutputTexel( gl_FragColor );\n",he="\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\n\tfloat M      = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM            = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\n\tfloat D      = max( maxRange / maxRGB, 1.0 );\n\tD            = min( floor( D ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value )  {\n\tvec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n\tXp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract(Le);\n\tvResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n\treturn vec4( max(vRGB, 0.0), 1.0 );\n}\n",ie="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\tvec2 sampleUV;\n\t\treflectVec = normalize( reflectVec );\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\tenvColor = envMapTexelToLinear( envColor );\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif\n",je="#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntensity;\n#endif\n#ifdef USE_ENVMAP\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif\n",ke="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif\n",le="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif\n",me="\n#ifdef USE_FOG\nfogDepth = -mvPosition.z;\n#endif",ne="#ifdef USE_FOG\n  varying float fogDepth;\n#endif\n",oe="#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif\n",pe="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif\n",qe="#ifdef TOON\n\tuniform sampler2D gradientMap;\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t\t#ifdef USE_GRADIENTMAP\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\t\t#else\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t\t#endif\n\t}\n#endif\n",re="#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n",se="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",te="vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n",ue="uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t\tfloat shadowCameraNear;\n\t\tfloat shadowCameraFar;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight  ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltcMat;\tuniform sampler2D ltcMag;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( queryVec, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV(queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent));\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n",ve="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",we="varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifdef TOON\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#else\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\t#endif\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n",xe="PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat );\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n",ye="struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos - halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos + halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos + halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos - halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tfloat norm = texture2D( ltcMag, uv ).a;\n\t\tvec4 t = texture2D( ltcMat, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3(   1,   0, t.y ),\n\t\t\tvec3(   0, t.z,   0 ),\n\t\t\tvec3( t.w,   0, t.x )\n\t\t);\n\t\treflectedLight.directSpecular += lightColor * material.specularColor * norm * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\t#ifndef STANDARD\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\treflectedLight.indirectSpecular += ( 1.0 - clearCoatDHR ) * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\t#ifndef STANDARD\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\t#endif\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n#define Material_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}\n",ze="\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#ifdef USE_LIGHTMAP\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tirradiance += getLightProbeIndirectIrradiance( geometry, 8 );\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tvec3 radiance = getLightProbeIndirectRadiance( geometry, Material_BlinnShininessExponent( material ), 8 );\n\t#ifndef STANDARD\n\t\tvec3 clearCoatRadiance = getLightProbeIndirectRadiance( geometry, Material_ClearCoat_BlinnShininessExponent( material ), 8 );\n\t#else\n\t\tvec3 clearCoatRadiance = vec3( 0.0 );\n\t#endif\n\tRE_IndirectSpecular( radiance, clearCoatRadiance, geometry, material, reflectedLight );\n#endif\n",Ae="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",Be="#ifdef USE_LOGDEPTHBUF\n\tuniform float logDepthBufFC;\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n#endif\n",Ce="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t#endif\n\tuniform float logDepthBufFC;\n#endif",De="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t#else\n\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\tgl_Position.z *= gl_Position.w;\n\t#endif\n#endif\n",Ee="#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif\n",Fe="#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n",Ge="#ifdef USE_MAP\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n",He="#ifdef USE_MAP\n\tuniform mat3 uvTransform;\n\tuniform sampler2D map;\n#endif\n",Ie="float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif\n",Je="#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",Ke="#ifdef USE_MORPHNORMALS\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n#endif\n",Le="#ifdef USE_MORPHTARGETS\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",Me="#ifdef USE_MORPHTARGETS\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\t#endif\n#endif\n",Ne="#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n#endif\n#ifdef USE_NORMALMAP\n\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif\n",Oe="#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 S = normalize( q0 * st1.t - q1 * st0.t );\n\t\tvec3 T = normalize( -q0 * st1.s + q1 * st0.s );\n\t\tvec3 N = normalize( surf_norm );\n\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\tmapN.xy = normalScale * mapN.xy;\n\t\tmat3 tsn = mat3( S, T, N );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif\n",Pe="vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n",Qe="#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif\n",Re="vec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\ngl_Position = projectionMatrix * mvPosition;\n",Se="#if defined( DITHERING )\n  gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif\n",Te="#if defined( DITHERING )\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif\n",Ue="float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif\n",Ve="#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",We="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\t\tvec2 f = fract( uv * size + 0.5 );\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\t\treturn c;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tshadow = (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif\n",Xe="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\t#endif\n#endif\n",Ye="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#endif\n#endif\n",Ze="float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHTS > 0\n\tDirectionalLight directionalLight;\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_SPOT_LIGHTS > 0\n\tSpotLight spotLight;\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#endif\n\t#if NUM_POINT_LIGHTS > 0\n\tPointLight pointLight;\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#endif\n\t#endif\n\treturn shadow;\n}\n",$e="#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",_e="#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif\n",af="#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif\n",bf="#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix  = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n#endif\n",cf="float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",df="#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",ef="#if defined( TONE_MAPPING )\n  gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif\n",ff="#ifndef saturate\n\t#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\n",gf="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n#endif",hf="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\n",jf="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",kf="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",lf="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n#endif",mf="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = uv2;\n#endif",nf="#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n#endif\n",of="uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldPosition;\nvoid main() {\n\tgl_FragColor = textureCube( tCube, vec3( tFlip * vWorldPosition.x, vWorldPosition.yz ) );\n\tgl_FragColor.a *= opacity;\n}\n",pf="varying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}\n",qf="#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( gl_FragCoord.z ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\t#endif\n}\n",rf="#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n}\n",sf="#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}\n",tf="#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}\n",uf="uniform sampler2D tEquirect;\nvarying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldPosition );\n\tvec2 sampleUV;\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n}\n",vf="varying vec3 vWorldPosition;\n#include <common>\nvoid main() {\n\tvWorldPosition = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}\n",wf="uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",xf="uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\tvLineDistance = scale * lineDistance;\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}\n",yf="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",zf="#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}\n",Af="uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",Bf="#define LAMBERT\nvarying vec3 vLightFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",Cf="#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",Df="#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",Ef="#define PHYSICAL\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <lights_pars>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_template>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",Ff="#define PHYSICAL\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",Gf="#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}\n",Hf="#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}\n",If="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}\n",Jf="uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#ifdef USE_SIZEATTENUATION\n\t\tgl_PointSize = size * ( scale / - mvPosition.z );\n\t#else\n\t\tgl_PointSize = size;\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",Kf="uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <fog_fragment>\n}\n",Lf="#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",Mf={alphamap_fragment:Kd,alphamap_pars_fragment:Ld,alphatest_fragment:Md,aomap_fragment:Nd,aomap_pars_fragment:Od,begin_vertex:Pd,beginnormal_vertex:Qd,bsdfs:Rd,bumpmap_pars_fragment:Sd,clipping_planes_fragment:Td,clipping_planes_pars_fragment:Ud,clipping_planes_pars_vertex:Vd,clipping_planes_vertex:Wd,color_fragment:Xd,color_pars_fragment:Yd,color_pars_vertex:Zd,color_vertex:$d,common:_d,cube_uv_reflection_fragment:ae,defaultnormal_vertex:be,displacementmap_pars_vertex:ce,displacementmap_vertex:de,emissivemap_fragment:ee,emissivemap_pars_fragment:fe,encodings_fragment:ge,encodings_pars_fragment:he,envmap_fragment:ie,envmap_pars_fragment:je,envmap_pars_vertex:ke,envmap_vertex:le,fog_vertex:me,fog_pars_vertex:ne,fog_fragment:oe,fog_pars_fragment:pe,gradientmap_pars_fragment:qe,lightmap_fragment:re,lightmap_pars_fragment:se,lights_lambert_vertex:te,lights_pars:ue,lights_phong_fragment:ve,lights_phong_pars_fragment:we,lights_physical_fragment:xe,lights_physical_pars_fragment:ye,lights_template:ze,logdepthbuf_fragment:Ae,logdepthbuf_pars_fragment:Be,logdepthbuf_pars_vertex:Ce,logdepthbuf_vertex:De,map_fragment:Ee,map_pars_fragment:Fe,map_particle_fragment:Ge,map_particle_pars_fragment:He,metalnessmap_fragment:Ie,metalnessmap_pars_fragment:Je,morphnormal_vertex:Ke,morphtarget_pars_vertex:Le,morphtarget_vertex:Me,normal_fragment:Ne,normalmap_pars_fragment:Oe,packing:Pe,premultiplied_alpha_fragment:Qe,project_vertex:Re,dithering_fragment:Se,dithering_pars_fragment:Te,roughnessmap_fragment:Ue,roughnessmap_pars_fragment:Ve,shadowmap_pars_fragment:We,shadowmap_pars_vertex:Xe,shadowmap_vertex:Ye,shadowmask_pars_fragment:Ze,skinbase_vertex:$e,skinning_pars_vertex:_e,skinning_vertex:af,skinnormal_vertex:bf,specularmap_fragment:cf,specularmap_pars_fragment:df,tonemapping_fragment:ef,tonemapping_pars_fragment:ff,uv_pars_fragment:gf,uv_pars_vertex:hf,uv_vertex:jf,uv2_pars_fragment:kf,uv2_pars_vertex:lf,uv2_vertex:mf,worldpos_vertex:nf,cube_frag:of,cube_vert:pf,depth_frag:qf,depth_vert:rf,distanceRGBA_frag:sf,distanceRGBA_vert:tf,equirect_frag:uf,equirect_vert:vf,linedashed_frag:wf,linedashed_vert:xf,meshbasic_frag:yf,meshbasic_vert:zf,meshlambert_frag:Af,meshlambert_vert:Bf,meshphong_frag:Cf,meshphong_vert:Df,meshphysical_frag:Ef,meshphysical_vert:Ff,normal_frag:Gf,normal_vert:Hf,points_frag:If,points_vert:Jf,shadow_frag:Kf,shadow_vert:Lf},Nf={basic:{uniforms:Jd.merge([Id.common,Id.specularmap,Id.envmap,Id.aomap,Id.lightmap,Id.fog]),vertexShader:Mf.meshbasic_vert,fragmentShader:Mf.meshbasic_frag},lambert:{uniforms:Jd.merge([Id.common,Id.specularmap,Id.envmap,Id.aomap,Id.lightmap,Id.emissivemap,Id.fog,Id.lights,{emissive:{value:new U(0)}}]),vertexShader:Mf.meshlambert_vert,fragmentShader:Mf.meshlambert_frag},phong:{uniforms:Jd.merge([Id.common,Id.specularmap,Id.envmap,Id.aomap,Id.lightmap,Id.emissivemap,Id.bumpmap,Id.normalmap,Id.displacementmap,Id.gradientmap,Id.fog,Id.lights,{emissive:{value:new U(0)},specular:{value:new U(1118481)},shininess:{value:30}}]),vertexShader:Mf.meshphong_vert,fragmentShader:Mf.meshphong_frag},standard:{uniforms:Jd.merge([Id.common,Id.envmap,Id.aomap,Id.lightmap,Id.emissivemap,Id.bumpmap,Id.normalmap,Id.displacementmap,Id.roughnessmap,Id.metalnessmap,Id.fog,Id.lights,{emissive:{value:new U(0)},roughness:{value:.5},metalness:{value:.5},envMapIntensity:{value:1}}]),vertexShader:Mf.meshphysical_vert,fragmentShader:Mf.meshphysical_frag},points:{uniforms:Jd.merge([Id.points,Id.fog]),vertexShader:Mf.points_vert,fragmentShader:Mf.points_frag},dashed:{uniforms:Jd.merge([Id.common,Id.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:Mf.linedashed_vert,fragmentShader:Mf.linedashed_frag},depth:{uniforms:Jd.merge([Id.common,Id.displacementmap]),vertexShader:Mf.depth_vert,fragmentShader:Mf.depth_frag},normal:{uniforms:Jd.merge([Id.common,Id.bumpmap,Id.normalmap,Id.displacementmap,{opacity:{value:1}}]),vertexShader:Mf.normal_vert,fragmentShader:Mf.normal_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:Mf.cube_vert,fragmentShader:Mf.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:Mf.equirect_vert,fragmentShader:Mf.equirect_frag},distanceRGBA:{uniforms:Jd.merge([Id.common,Id.displacementmap,{referencePosition:{value:new f},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:Mf.distanceRGBA_vert,fragmentShader:Mf.distanceRGBA_frag},shadow:{uniforms:Jd.merge([Id.lights,Id.fog,{color:{value:new U(0)},opacity:{value:1}}]),vertexShader:Mf.shadow_vert,fragmentShader:Mf.shadow_frag}};Nf.physical={uniforms:Jd.merge([Nf.standard.uniforms,{clearCoat:{value:0},clearCoatRoughness:{value:0}}]),vertexShader:Mf.meshphysical_vert,fragmentShader:Mf.meshphysical_frag},Object.assign(V.prototype,{set:function(a,b){return this.min.copy(a),this.max.copy(b),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 c;return function(b,c){var d=a.copy(c).multiplyScalar(.5);return this.min.copy(b).sub(d),this.max.copy(b).add(d),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.min.copy(a.min),this.max.copy(a.max),this},makeEmpty:function(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y},getCenter:function(a){var b=a||new c;return this.isEmpty()?b.set(0,0):b.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){var b=a||new c;return this.isEmpty()?b.set(0,0):b.subVectors(this.max,this.min)},expandByPoint:function(a){return this.min.min(a),this.max.max(a),this},expandByVector:function(a){return this.min.sub(a),this.max.add(a),this},expandByScalar:function(a){return this.min.addScalar(-a),this.max.addScalar(a),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)},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},getParameter:function(a,b){return(b||new c).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)},clampPoint:function(a,b){return(b||new c).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new c;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),intersect:function(a){return this.min.max(a.min),this.max.min(a.max),this},union:function(a){return this.min.min(a.min),this.max.max(a.max),this},translate:function(a){return this.min.add(a),this.max.add(a),this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}}),X.prototype=Object.create(h.prototype),X.prototype.constructor=X;var Of=0;Z.prototype=Object.assign(Object.create(b.prototype),{constructor:Z,isMaterial:!0,onBeforeCompile:function(){},setValues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0!==c)if("shading"!==b){var d=this[b];void 0!==d?d&&d.isColor?d.set(c):d&&d.isVector3&&c&&c.isVector3?d.copy(c):this[b]="overdraw"===b?Number(c):c:console.warn("THREE."+this.type+": '"+b+"' is not a property of this material.")}else console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=c===Jb;else console.warn("THREE.Material: '"+b+"' parameter is undefined.")}},toJSON:function(a){function b(a){var b=[];for(var c in a){var d=a[c];delete d.metadata,b.push(d)}return b}var c=void 0===a||"string"==typeof a;c&&(a={textures:{},images:{}});var d={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};if(d.uuid=this.uuid,d.type=this.type,""!==this.name&&(d.name=this.name),this.color&&this.color.isColor&&(d.color=this.color.getHex()),void 0!==this.roughness&&(d.roughness=this.roughness),void 0!==this.metalness&&(d.metalness=this.metalness),this.emissive&&this.emissive.isColor&&(d.emissive=this.emissive.getHex()),1!==this.emissiveIntensity&&(d.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(d.specular=this.specular.getHex()),void 0!==this.shininess&&(d.shininess=this.shininess),void 0!==this.clearCoat&&(d.clearCoat=this.clearCoat),void 0!==this.clearCoatRoughness&&(d.clearCoatRoughness=this.clearCoatRoughness),this.map&&this.map.isTexture&&(d.map=this.map.toJSON(a).uuid),this.alphaMap&&this.alphaMap.isTexture&&(d.alphaMap=this.alphaMap.toJSON(a).uuid),this.lightMap&&this.lightMap.isTexture&&(d.lightMap=this.lightMap.toJSON(a).uuid),this.bumpMap&&this.bumpMap.isTexture&&(d.bumpMap=this.bumpMap.toJSON(a).uuid,d.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(d.normalMap=this.normalMap.toJSON(a).uuid,d.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(d.displacementMap=this.displacementMap.toJSON(a).uuid,d.displacementScale=this.displacementScale,d.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(d.roughnessMap=this.roughnessMap.toJSON(a).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(d.metalnessMap=this.metalnessMap.toJSON(a).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(d.emissiveMap=this.emissiveMap.toJSON(a).uuid),this.specularMap&&this.specularMap.isTexture&&(d.specularMap=this.specularMap.toJSON(a).uuid),this.envMap&&this.envMap.isTexture&&(d.envMap=this.envMap.toJSON(a).uuid,d.reflectivity=this.reflectivity),this.gradientMap&&this.gradientMap.isTexture&&(d.gradientMap=this.gradientMap.toJSON(a).uuid),void 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this.constructor).copy(this)},copy:function(a){this.name=a.name,this.fog=a.fog,this.lights=a.lights,this.blending=a.blending,this.side=a.side,this.flatShading=a.flatShading,this.vertexColors=a.vertexColors,this.opacity=a.opacity,this.transparent=a.transparent,this.blendSrc=a.blendSrc,this.blendDst=a.blendDst,this.blendEquation=a.blendEquation,this.blendSrcAlpha=a.blendSrcAlpha,this.blendDstAlpha=a.blendDstAlpha,this.blendEquationAlpha=a.blendEquationAlpha,this.depthFunc=a.depthFunc,this.depthTest=a.depthTest,this.depthWrite=a.depthWrite,this.colorWrite=a.colorWrite,this.precision=a.precision,this.polygonOffset=a.polygonOffset,this.polygonOffsetFactor=a.polygonOffsetFactor,this.polygonOffsetUnits=a.polygonOffsetUnits,this.dithering=a.dithering,this.alphaTest=a.alphaTest,this.premultipliedAlpha=a.premultipliedAlpha,this.overdraw=a.overdraw,this.visible=a.visible,this.userData=JSON.parse(JSON.stringify(a.userData)),this.clipShadows=a.clipShadows,this.clipIntersection=a.clipIntersection;var b=a.clippingPlanes,c=null;if(null!==b){var d=b.length;c=new Array(d);for(var e=0;e!==d;++e)c[e]=b[e].clone()}return this.clippingPlanes=c,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),$.prototype=Object.create(Z.prototype),$.prototype.constructor=$,$.prototype.isMeshDepthMaterial=!0,$.prototype.copy=function(a){return Z.prototype.copy.call(this,a),this.depthPacking=a.depthPacking,this.skinning=a.skinning,this.morphTargets=a.morphTargets,this.map=a.map,this.alphaMap=a.alphaMap,this.displacementMap=a.displacementMap,this.displacementScale=a.displacementScale,this.displacementBias=a.displacementBias,this.wireframe=a.wireframe,this.wireframeLinewidth=a.wireframeLinewidth,this},_.prototype=Object.create(Z.prototype),_.prototype.constructor=_,_.prototype.isMeshDistanceMaterial=!0,_.prototype.copy=function(a){return Z.prototype.copy.call(this,a),this.referencePosition.copy(a.referencePosition),this.nearDistance=a.nearDistance,this.farDistance=a.farDistance,this.skinning=a.skinning,this.morphTargets=a.morphTargets,this.map=a.map,this.alphaMap=a.alphaMap,this.displacementMap=a.displacementMap,this.displacementScale=a.displacementScale,this.displacementBias=a.displacementBias,this},Object.assign(aa.prototype,{isBox3:!0,set:function(a,b){return this.min.copy(a),this.max.copy(b),this},setFromArray:function(a){for(var b=1/0,c=1/0,d=1/0,e=-1/0,f=-1/0,g=-1/0,h=0,i=a.length;h<i;h+=3){var j=a[h],k=a[h+1],l=a[h+2];j<b&&(b=j),k<c&&(c=k),l<d&&(d=l),j>e&&(e=j),k>f&&(f=k),l>g&&(g=l)}return this.min.set(b,c,d),this.max.set(e,f,g),this},setFromBufferAttribute:function(a){for(var b=1/0,c=1/0,d=1/0,e=-1/0,f=-1/0,g=-1/0,h=0,i=a.count;h<i;h++){var j=a.getX(h),k=a.getY(h),l=a.getZ(h);j<b&&(b=j),k<c&&(c=k),l<d&&(d=l),j>e&&(e=j),k>f&&(f=k),l>g&&(g=l)}return 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f).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)},intersectsSphere:function(){var a=new f;return function(b){return this.clampPoint(b.center,a),a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;return a.normal.x>0?(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),a.normal.y>0?(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),a.normal.z>0?(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),b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new f).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new f;return function(b){return 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this.isEmpty()?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),this)}}(),translate:function(a){return this.min.add(a),this.max.add(a),this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}}),Object.assign(ba.prototype,{set:function(a,b){return this.center.copy(a),this.radius=b,this},setFromPoints:function(){var a=new aa;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=0,f=0,g=b.length;f<g;f++)e=Math.max(e,d.distanceToSquared(b[f]));return 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this.constant*=-1,this.normal.negate(),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(b||new f).copy(this.normal).multiplyScalar(-this.distanceToPoint(a)).add(a)},intersectLine:function(){var a=new f;return function(b,c){var d=c||new f,e=b.delta(a),g=this.normal.dot(e);if(0!==g){var h=-(b.start.dot(this.normal)+this.constant)/g;if(!(h<0||h>1))return d.copy(e).multiplyScalar(h).add(b.start)}else if(0===this.distanceToPoint(b.start))return d.copy(b.start)}}(),intersectsLine:function(a){var b=this.distanceToPoint(a.start),c=this.distanceToPoint(a.end);return b<0&&c>0||c<0&&b>0},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){return(a||new f).copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var a=new f,b=new g;return function(c,d){var e=d||b.getNormalMatrix(c),f=this.coplanarPoint(a).applyMatrix4(c),g=this.normal.applyMatrix3(e).normalize();return this.constant=-f.dot(g),this}}(),translate:function(a){return this.constant-=a.dot(this.normal),this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}}),Object.assign(da.prototype,{set:function(a,b,c,d,e,f){var g=this.planes;return g[0].copy(a),g[1].copy(b),g[2].copy(c),g[3].copy(d),g[4].copy(e),g[5].copy(f),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=this.planes,c=0;c<6;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements,d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],i=c[5],j=c[6],k=c[7],l=c[8],m=c[9],n=c[10],o=c[11],p=c[12],q=c[13],r=c[14],s=c[15];return b[0].setComponents(g-d,k-h,o-l,s-p).normalize(),b[1].setComponents(g+d,k+h,o+l,s+p).normalize(),b[2].setComponents(g+e,k+i,o+m,s+q).normalize(),b[3].setComponents(g-e,k-i,o-m,s-q).normalize(),b[4].setComponents(g-f,k-j,o-n,s-r).normalize(),b[5].setComponents(g+f,k+j,o+n,s+r).normalize(),this},intersectsObject:function(){var a=new ba;return function(b){var c=b.geometry;return null===c.boundingSphere&&c.computeBoundingSphere(),a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld),this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new ba;return function(b){return a.center.set(0,0,0),a.radius=.7071067811865476,a.applyMatrix4(b.matrixWorld),this.intersectsSphere(a)}}(),intersectsSphere:function(a){for(var b=this.planes,c=a.center,d=-a.radius,e=0;e<6;e++){if(b[e].distanceToPoint(c)<d)return!1}return!0},intersectsBox:function(){var a=new f,b=new f;return function(c){for(var d=this.planes,e=0;e<6;e++){var f=d[e];a.x=f.normal.x>0?c.min.x:c.max.x,b.x=f.normal.x>0?c.max.x:c.min.x,a.y=f.normal.y>0?c.min.y:c.max.y,b.y=f.normal.y>0?c.max.y:c.min.y,a.z=f.normal.z>0?c.min.z:c.max.z,b.z=f.normal.z>0?c.max.z:c.min.z;var g=f.distanceToPoint(a),h=f.distanceToPoint(b);if(g<0&&h<0)return!1}return!0}}(),containsPoint:function(a){for(var b=this.planes,c=0;c<6;c++)if(b[c].distanceToPoint(a)<0)return!1;return!0}}),ga.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],ga.DefaultOrder="XYZ",Object.defineProperties(ga.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a,this.onChangeCallback()}},order:{get:function(){return this._order},set:function(a){this._order=a,this.onChangeCallback()}}}),Object.assign(ga.prototype,{isEuler:!0,set:function(a,b,c,d){return this._x=a,this._y=b,this._z=c,this._order=d||this._order,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(a){return this._x=a._x,this._y=a._y,this._z=a._z,this._order=a._order,this.onChangeCallback(),this},setFromRotationMatrix:function(a,b,c){var d=yd.clamp,e=a.elements,f=e[0],g=e[4],h=e[8],i=e[1],j=e[5],k=e[9],l=e[2],m=e[6],n=e[10];return b=b||this._order,"XYZ"===b?(this._y=Math.asin(d(h,-1,1)),Math.abs(h)<.99999?(this._x=Math.atan2(-k,n),this._z=Math.atan2(-g,f)):(this._x=Math.atan2(m,j),this._z=0)):"YXZ"===b?(this._x=Math.asin(-d(k,-1,1)),Math.abs(k)<.99999?(this._y=Math.atan2(h,n),this._z=Math.atan2(i,j)):(this._y=Math.atan2(-l,f),this._z=0)):"ZXY"===b?(this._x=Math.asin(d(m,-1,1)),Math.abs(m)<.99999?(this._y=Math.atan2(-l,n),this._z=Math.atan2(-g,j)):(this._y=0,this._z=Math.atan2(i,f))):"ZYX"===b?(this._y=Math.asin(-d(l,-1,1)),Math.abs(l)<.99999?(this._x=Math.atan2(m,n),this._z=Math.atan2(i,f)):(this._x=0,this._z=Math.atan2(-g,j))):"YZX"===b?(this._z=Math.asin(d(i,-1,1)),Math.abs(i)<.99999?(this._x=Math.atan2(-k,j),this._y=Math.atan2(-l,f)):(this._x=0,this._y=Math.atan2(h,n))):"XZY"===b?(this._z=Math.asin(-d(g,-1,1)),Math.abs(g)<.99999?(this._x=Math.atan2(m,j),this._y=Math.atan2(h,f)):(this._x=Math.atan2(-k,n),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: 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this.onChangeCallback=a,this},onChangeCallback:function(){}}),Object.assign(ha.prototype,{set:function(a){this.mask=1<<a|0},enable:function(a){this.mask|=1<<a|0},toggle:function(a){this.mask^=1<<a|0},disable:function(a){this.mask&=~(1<<a|0)},test:function(a){return 0!=(this.mask&a.mask)}});var Pf=0;ia.DefaultUp=new f(0,1,0),ia.DefaultMatrixAutoUpdate=!0,ia.prototype=Object.assign(Object.create(b.prototype),{constructor:ia,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(a){this.matrix.multiplyMatrices(a,this.matrix),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(a){return this.quaternion.premultiply(a),this},setRotationFromAxisAngle:function(a,b){this.quaternion.setFromAxisAngle(a,b)},setRotationFromEuler:function(a){this.quaternion.setFromEuler(a,!0)},setRotationFromMatrix:function(a){this.quaternion.setFromRotationMatrix(a)},setRotationFromQuaternion:function(a){this.quaternion.copy(a)},rotateOnAxis:function(){var a=new e;return function(b,c){return a.setFromAxisAngle(b,c),this.quaternion.multiply(a),this}}(),rotateOnWorldAxis:function(){var a=new e;return function(b,c){return a.setFromAxisAngle(b,c),this.quaternion.premultiply(a),this}}(),rotateX:function(){var a=new f(1,0,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateY:function(){var a=new f(0,1,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateZ:function(){var a=new f(0,0,1);return function(b){return this.rotateOnAxis(a,b)}}(),translateOnAxis:function(){var a=new f;return function(b,c){return a.copy(b).applyQuaternion(this.quaternion),this.position.add(a.multiplyScalar(c)),this}}(),translateX:function(){var a=new f(1,0,0);return function(b){return this.translateOnAxis(a,b)}}(),translateY:function(){var a=new f(0,1,0);return function(b){return this.translateOnAxis(a,b)}}(),translateZ:function(){var a=new f(0,0,1);return function(b){return this.translateOnAxis(a,b)}}(),localToWorld:function(a){return a.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var a=new d;return function(b){return b.applyMatrix4(a.getInverse(this.matrixWorld))}}(),lookAt:function(){var a=new d,b=new f;return function(c,d,e){c.isVector3?b.copy(c):b.set(c,d,e),this.isCamera?a.lookAt(this.position,b,this.up):a.lookAt(b,this.position,this.up),this.quaternion.setFromRotationMatrix(a)}}(),add:function(a){if(arguments.length>1){for(var b=0;b<arguments.length;b++)this.add(arguments[b]);return this}return a===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",a),this):(a&&a.isObject3D?(null!==a.parent&&a.parent.remove(a),a.parent=this,a.dispatchEvent({type:"added"}),this.children.push(a)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",a),this)},remove:function(a){if(arguments.length>1){for(var b=0;b<arguments.length;b++)this.remove(arguments[b]);return this}var c=this.children.indexOf(a);return-1!==c&&(a.parent=null,a.dispatchEvent({type:"removed"}),this.children.splice(c,1)),this},getObjectById:function(a){return this.getObjectByProperty("id",a)},getObjectByName:function(a){return this.getObjectByProperty("name",a)},getObjectByProperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c],f=e.getObjectByProperty(a,b);if(void 0!==f)return f}},getWorldPosition:function(a){var b=a||new f;return this.updateMatrixWorld(!0),b.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var a=new f,b=new f;return function(c){var d=c||new e;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(a,d,b),d}}(),getWorldRotation:function(){var a=new e;return function(b){var c=b||new ga;return this.getWorldQuaternion(a),c.setFromQuaternion(a,this.rotation.order,!1)}}(),getWorldScale:function(){var a=new f,b=new e;return function(c){var d=c||new f;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(a,b,d),d}}(),getWorldDirection:function(){var a=new e;return function(b){var c=b||new f;return this.getWorldQuaternion(a),c.set(0,0,1).applyQuaternion(a)}}(),raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},traverseVisible:function(a){if(!1!==this.visible){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverseVisible(a)}},traverseAncestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseAncestors(a))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||a)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].updateMatrixWorld(a)},toJSON:function(a){function b(b,c){return void 0===b[c.uuid]&&(b[c.uuid]=c.toJSON(a)),c.uuid}function c(a){var b=[];for(var c in a){var d=a[c];delete d.metadata,b.push(d)}return b}var d=void 0===a||"string"==typeof a,e={};d&&(a={geometries:{},materials:{},textures:{},images:{},shapes:{}},e.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var f={};if(f.uuid=this.uuid,f.type=this.type,""!==this.name&&(f.name=this.name),!0===this.castShadow&&(f.castShadow=!0),!0===this.receiveShadow&&(f.receiveShadow=!0),!1===this.visible&&(f.visible=!1),"{}"!==JSON.stringify(this.userData)&&(f.userData=this.userData),f.matrix=this.matrix.toArray(),void 0!==this.geometry){f.geometry=b(a.geometries,this.geometry);var g=this.geometry.parameters;if(void 0!==g&&void 0!==g.shapes){var h=g.shapes;if(Array.isArray(h))for(var i=0,j=h.length;i<j;i++){var k=h[i];b(a.shapes,k)}else b(a.shapes,h)}}if(void 0!==this.material)if(Array.isArray(this.material)){for(var l=[],i=0,j=this.material.length;i<j;i++)l.push(b(a.materials,this.material[i]));f.material=l}else f.material=b(a.materials,this.material);if(this.children.length>0){f.children=[];for(var i=0;i<this.children.length;i++)f.children.push(this.children[i].toJSON(a).object)}if(d){var m=c(a.geometries),n=c(a.materials),o=c(a.textures),p=c(a.images),h=c(a.shapes);m.length>0&&(e.geometries=m),n.length>0&&(e.materials=n),o.length>0&&(e.textures=o),p.length>0&&(e.images=p),h.length>0&&(e.shapes=h)}return e.object=f,e},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){if(void 0===b&&(b=!0),this.name=a.name,this.up.copy(a.up),this.position.copy(a.position),this.quaternion.copy(a.quaternion),this.scale.copy(a.scale),this.matrix.copy(a.matrix),this.matrixWorld.copy(a.matrixWorld),this.matrixAutoUpdate=a.matrixAutoUpdate,this.matrixWorldNeedsUpdate=a.matrixWorldNeedsUpdate,this.layers.mask=a.layers.mask,this.visible=a.visible,this.castShadow=a.castShadow,this.receiveShadow=a.receiveShadow,this.frustumCulled=a.frustumCulled,this.renderOrder=a.renderOrder,this.userData=JSON.parse(JSON.stringify(a.userData)),!0===b)for(var c=0;c<a.children.length;c++){var d=a.children[c];this.add(d.clone())}return this}}),ja.prototype=Object.assign(Object.create(ia.prototype),{constructor:ja,isCamera:!0,copy:function(a,b){return ia.prototype.copy.call(this,a,b),this.matrixWorldInverse.copy(a.matrixWorldInverse),this.projectionMatrix.copy(a.projectionMatrix),this},getWorldDirection:function(){var a=new e;return function(b){var c=b||new f;return this.getWorldQuaternion(a),c.set(0,0,-1).applyQuaternion(a)}}(),updateMatrixWorld:function(a){ia.prototype.updateMatrixWorld.call(this,a),this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}}),ka.prototype=Object.assign(Object.create(ja.prototype),{constructor:ka,isOrthographicCamera:!0,copy:function(a,b){return ja.prototype.copy.call(this,a,b),this.left=a.left,this.right=a.right,this.top=a.top,this.bottom=a.bottom,this.near=a.near,this.far=a.far,this.zoom=a.zoom,this.view=null===a.view?null:Object.assign({},a.view),this},setViewOffset:function(a,b,c,d,e,f){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=a,this.view.fullHeight=b,this.view.offsetX=c,this.view.offsetY=d,this.view.width=e,this.view.height=f,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var a=(this.right-this.left)/(2*this.zoom),b=(this.top-this.bottom)/(2*this.zoom),c=(this.right+this.left)/2,d=(this.top+this.bottom)/2,e=c-a,f=c+a,g=d+b,h=d-b;if(null!==this.view&&this.view.enabled){var i=this.zoom/(this.view.width/this.view.fullWidth),j=this.zoom/(this.view.height/this.view.fullHeight),k=(this.right-this.left)/this.view.width,l=(this.top-this.bottom)/this.view.height;e+=k*(this.view.offsetX/i),f=e+k*(this.view.width/i),g-=l*(this.view.offsetY/j),h=g-l*(this.view.height/j)}this.projectionMatrix.makeOrthographic(e,f,g,h,this.near,this.far)},toJSON:function(a){var b=ia.prototype.toJSON.call(this,a);return b.object.zoom=this.zoom,b.object.left=this.left,b.object.right=this.right,b.object.top=this.top,b.object.bottom=this.bottom,b.object.near=this.near,b.object.far=this.far,null!==this.view&&(b.object.view=Object.assign({},this.view)),b}}),Object.assign(la.prototype,{clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a=a.a,this.b=a.b,this.c=a.c,this.normal.copy(a.normal),this.color.copy(a.color),this.materialIndex=a.materialIndex;for(var b=0,c=a.vertexNormals.length;b<c;b++)this.vertexNormals[b]=a.vertexNormals[b].clone();for(var b=0,c=a.vertexColors.length;b<c;b++)this.vertexColors[b]=a.vertexColors[b].clone();return this}});var Qf=0;ma.prototype=Object.assign(Object.create(b.prototype),{constructor:ma,isGeometry:!0,applyMatrix:function(a){for(var b=(new g).getNormalMatrix(a),c=0,d=this.vertices.length;c<d;c++){this.vertices[c].applyMatrix4(a)}for(var c=0,d=this.faces.length;c<d;c++){var e=this.faces[c];e.normal.applyMatrix3(b).normalize();for(var f=0,h=e.vertexNormals.length;f<h;f++)e.vertexNormals[f].applyMatrix3(b).normalize()}return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this.verticesNeedUpdate=!0,this.normalsNeedUpdate=!0,this},rotateX:function(){var a=new d;return function(b){return a.makeRotationX(b),this.applyMatrix(a),this}}(),rotateY:function(){var a=new d;return function(b){return a.makeRotationY(b),this.applyMatrix(a),this}}(),rotateZ:function(){var a=new d;return function(b){return a.makeRotationZ(b),this.applyMatrix(a),this}}(),translate:function(){var a=new d;return function(b,c,d){return a.makeTranslation(b,c,d),this.applyMatrix(a),this}}(),scale:function(){var a=new d;return function(b,c,d){return a.makeScale(b,c,d),this.applyMatrix(a),this}}(),lookAt:function(){var a=new ia;return function(b){a.lookAt(b),a.updateMatrix(),this.applyMatrix(a.matrix)}}(),fromBufferGeometry:function(a){function b(a,b,c,e){var f=void 0!==i?[m[a].clone(),m[b].clone(),m[c].clone()]:[],g=void 0!==j?[d.colors[a].clone(),d.colors[b].clone(),d.colors[c].clone()]:[],h=new la(a,b,c,f,g,e);d.faces.push(h),void 0!==k&&d.faceVertexUvs[0].push([n[a].clone(),n[b].clone(),n[c].clone()]),void 0!==l&&d.faceVertexUvs[1].push([o[a].clone(),o[b].clone(),o[c].clone()])}var d=this,e=null!==a.index?a.index.array:void 0,g=a.attributes,h=g.position.array,i=void 0!==g.normal?g.normal.array:void 0,j=void 0!==g.color?g.color.array:void 0,k=void 0!==g.uv?g.uv.array:void 0,l=void 0!==g.uv2?g.uv2.array:void 0;void 0!==l&&(this.faceVertexUvs[1]=[]);for(var m=[],n=[],o=[],p=0,q=0;p<h.length;p+=3,q+=2)d.vertices.push(new f(h[p],h[p+1],h[p+2])),void 0!==i&&m.push(new f(i[p],i[p+1],i[p+2])),void 0!==j&&d.colors.push(new U(j[p],j[p+1],j[p+2])),void 0!==k&&n.push(new c(k[q],k[q+1])),void 0!==l&&o.push(new c(l[q],l[q+1]));var r=a.groups;if(r.length>0)for(var p=0;p<r.length;p++)for(var s=r[p],t=s.start,u=s.count,q=t,v=t+u;q<v;q+=3)void 0!==e?b(e[q],e[q+1],e[q+2],s.materialIndex):b(q,q+1,q+2,s.materialIndex);else if(void 0!==e)for(var p=0;p<e.length;p+=3)b(e[p],e[p+1],e[p+2]);else for(var p=0;p<h.length/3;p+=3)b(p,p+1,p+2);return this.computeFaceNormals(),null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone()),null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone()),this},center:function(){this.computeBoundingBox();var a=this.boundingBox.getCenter().negate();return this.translate(a.x,a.y,a.z),a},normalize:function(){this.computeBoundingSphere();var a=this.boundingSphere.center,b=this.boundingSphere.radius,c=0===b?1:1/b,e=new d;return e.set(c,0,0,-c*a.x,0,c,0,-c*a.y,0,0,c,-c*a.z,0,0,0,1),this.applyMatrix(e),this},computeFaceNormals:function(){for(var a=new f,b=new f,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],g=this.vertices[e.a],h=this.vertices[e.b],i=this.vertices[e.c];a.subVectors(i,h),b.subVectors(g,h),a.cross(b),a.normalize(),e.normal.copy(a)}},computeVertexNormals:function(a){void 0===a&&(a=!0);var b,c,d,e,g,h;for(h=new Array(this.vertices.length),b=0,c=this.vertices.length;b<c;b++)h[b]=new f;if(a){var i,j,k,l=new f,m=new f;for(d=0,e=this.faces.length;d<e;d++)g=this.faces[d],i=this.vertices[g.a],j=this.vertices[g.b],k=this.vertices[g.c],l.subVectors(k,j),m.subVectors(i,j),l.cross(m),h[g.a].add(l),h[g.b].add(l),h[g.c].add(l)}else for(this.computeFaceNormals(),d=0,e=this.faces.length;d<e;d++)g=this.faces[d],h[g.a].add(g.normal),h[g.b].add(g.normal),h[g.c].add(g.normal);for(b=0,c=this.vertices.length;b<c;b++)h[b].normalize();for(d=0,e=this.faces.length;d<e;d++){g=this.faces[d];var n=g.vertexNormals;3===n.length?(n[0].copy(h[g.a]),n[1].copy(h[g.b]),n[2].copy(h[g.c])):(n[0]=h[g.a].clone(),n[1]=h[g.b].clone(),n[2]=h[g.c].clone())}this.faces.length>0&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var a,b,c;for(this.computeFaceNormals(),a=0,b=this.faces.length;a<b;a++){c=this.faces[a];var d=c.vertexNormals;3===d.length?(d[0].copy(c.normal),d[1].copy(c.normal),d[2].copy(c.normal)):(d[0]=c.normal.clone(),d[1]=c.normal.clone(),d[2]=c.normal.clone())}this.faces.length>0&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var a,b,c,d,e;for(c=0,d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var g=new ma;for(g.faces=this.faces,a=0,b=this.morphTargets.length;a<b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={},this.morphNormals[a].faceNormals=[],this.morphNormals[a].vertexNormals=[];var h,i,j=this.morphNormals[a].faceNormals,k=this.morphNormals[a].vertexNormals;for(c=0,d=this.faces.length;c<d;c++)h=new f,i={a:new f,b:new f,c:new f},j.push(h),k.push(i)}var l=this.morphNormals[a];g.vertices=this.morphTargets[a].vertices,g.computeFaceNormals(),g.computeVertexNormals();var h,i;for(c=0,d=this.faces.length;c<d;c++)e=this.faces[c],h=l.faceNormals[c],i=l.vertexNormals[c],h.copy(e.normal),i.a.copy(e.vertexNormals[0]),i.b.copy(e.vertexNormals[1]),i.c.copy(e.vertexNormals[2])}for(c=0,d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,e.vertexNormals=e.__originalVertexNormals},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)c>0&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new aa),this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new ba),this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(!a||!a.isGeometry)return void console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",a);var d,e=this.vertices.length,f=this.vertices,h=a.vertices,i=this.faces,j=a.faces,k=this.faceVertexUvs[0],l=a.faceVertexUvs[0],m=this.colors,n=a.colors;void 0===c&&(c=0),void 0!==b&&(d=(new g).getNormalMatrix(b));for(var o=0,p=h.length;o<p;o++){var q=h[o],r=q.clone();void 0!==b&&r.applyMatrix4(b),f.push(r)}for(var o=0,p=n.length;o<p;o++)m.push(n[o].clone());for(o=0,p=j.length;o<p;o++){var s,t,u,v=j[o],w=v.vertexNormals,x=v.vertexColors;s=new la(v.a+e,v.b+e,v.c+e),s.normal.copy(v.normal),void 0!==d&&s.normal.applyMatrix3(d).normalize();for(var y=0,z=w.length;y<z;y++)t=w[y].clone(),void 0!==d&&t.applyMatrix3(d).normalize(),s.vertexNormals.push(t);s.color.copy(v.color);for(var y=0,z=x.length;y<z;y++)u=x[y],s.vertexColors.push(u.clone());s.materialIndex=v.materialIndex+c,i.push(s)}for(o=0,p=l.length;o<p;o++){var A=l[o],B=[];if(void 0!==A){for(var y=0,z=A.length;y<z;y++)B.push(A[y].clone());k.push(B)}}},mergeMesh:function(a){if(!a||!a.isMesh)return void console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.",a);a.matrixAutoUpdate&&a.updateMatrix(),this.merge(a.geometry,a.matrix)},mergeVertices:function(){var a,b,c,d,e,f,g,h,i={},j=[],k=[],l=4,m=Math.pow(10,l);for(c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c],b=Math.round(a.x*m)+"_"+Math.round(a.y*m)+"_"+Math.round(a.z*m),void 0===i[b]?(i[b]=c,j.push(this.vertices[c]),k[c]=j.length-1):k[c]=k[i[b]];var n=[];for(c=0,d=this.faces.length;c<d;c++){e=this.faces[c],e.a=k[e.a],e.b=k[e.b],e.c=k[e.c],f=[e.a,e.b,e.c];for(var o=0;o<3;o++)if(f[o]===f[(o+1)%3]){n.push(c);break}}for(c=n.length-1;c>=0;c--){var p=n[c];for(this.faces.splice(p,1),g=0,h=this.faceVertexUvs.length;g<h;g++)this.faceVertexUvs[g].splice(p,1)}var q=this.vertices.length-j.length;return this.vertices=j,q},setFromPoints:function(a){this.vertices=[];for(var b=0,c=a.length;b<c;b++){var d=a[b];this.vertices.push(new f(d.x,d.y,d.z||0))}return this},sortFacesByMaterialIndex:function(){function a(a,b){return a.materialIndex-b.materialIndex}for(var b=this.faces,c=b.length,d=0;d<c;d++)b[d]._id=d;b.sort(a);var e,f,g=this.faceVertexUvs[0],h=this.faceVertexUvs[1];g&&g.length===c&&(e=[]),h&&h.length===c&&(f=[]);for(var d=0;d<c;d++){var i=b[d]._id;e&&e.push(g[i]),f&&f.push(h[i])}e&&(this.faceVertexUvs[0]=e),f&&(this.faceVertexUvs[1]=f)},toJSON:function(){function a(a,b,c){return c?a|1<<b:a&~(1<<b)}function b(a){var b=a.x.toString()+a.y.toString()+a.z.toString();return void 0!==m[b]?m[b]:(m[b]=l.length/3,l.push(a.x,a.y,a.z),m[b])}function c(a){var b=a.r.toString()+a.g.toString()+a.b.toString();return void 0!==o[b]?o[b]:(o[b]=n.length,n.push(a.getHex()),o[b])}function d(a){var b=a.x.toString()+a.y.toString();return void 0!==q[b]?q[b]:(q[b]=p.length/2,p.push(a.x,a.y),q[b])}var e={metadata:{version:4.5,type:"Geometry",generator:"Geometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),void 0!==this.parameters){var f=this.parameters;for(var g in f)void 0!==f[g]&&(e[g]=f[g]);return e}for(var h=[],i=0;i<this.vertices.length;i++){var j=this.vertices[i];h.push(j.x,j.y,j.z)}for(var k=[],l=[],m={},n=[],o={},p=[],q={},i=0;i<this.faces.length;i++){var r=this.faces[i],s=void 0!==this.faceVertexUvs[0][i],t=r.normal.length()>0,u=r.vertexNormals.length>0,v=1!==r.color.r||1!==r.color.g||1!==r.color.b,w=r.vertexColors.length>0,x=0;if(x=a(x,0,0),x=a(x,1,!0),x=a(x,2,!1),x=a(x,3,s),x=a(x,4,t),x=a(x,5,u),x=a(x,6,v),x=a(x,7,w),k.push(x),k.push(r.a,r.b,r.c),k.push(r.materialIndex),s){var y=this.faceVertexUvs[0][i];k.push(d(y[0]),d(y[1]),d(y[2]))}if(t&&k.push(b(r.normal)),u){var z=r.vertexNormals;k.push(b(z[0]),b(z[1]),b(z[2]))}if(v&&k.push(c(r.color)),w){var A=r.vertexColors;k.push(c(A[0]),c(A[1]),c(A[2]))}}return e.data={},e.data.vertices=h,e.data.normals=l,n.length>0&&(e.data.colors=n),p.length>0&&(e.data.uvs=[p]),e.data.faces=k,e},clone:function(){return(new ma).copy(this)},copy:function(a){var b,c,d,e,f,g;this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=a.name;var h=a.vertices;for(b=0,c=h.length;b<c;b++)this.vertices.push(h[b].clone());var i=a.colors;for(b=0,c=i.length;b<c;b++)this.colors.push(i[b].clone());var j=a.faces;for(b=0,c=j.length;b<c;b++)this.faces.push(j[b].clone());for(b=0,c=a.faceVertexUvs.length;b<c;b++){var k=a.faceVertexUvs[b];for(void 0===this.faceVertexUvs[b]&&(this.faceVertexUvs[b]=[]),d=0,e=k.length;d<e;d++){var l=k[d],m=[];for(f=0,g=l.length;f<g;f++){var n=l[f];m.push(n.clone())}this.faceVertexUvs[b].push(m)}}var o=a.morphTargets;for(b=0,c=o.length;b<c;b++){var p={};if(p.name=o[b].name,void 0!==o[b].vertices)for(p.vertices=[],d=0,e=o[b].vertices.length;d<e;d++)p.vertices.push(o[b].vertices[d].clone());if(void 0!==o[b].normals)for(p.normals=[],d=0,e=o[b].normals.length;d<e;d++)p.normals.push(o[b].normals[d].clone());this.morphTargets.push(p)}var q=a.morphNormals;for(b=0,c=q.length;b<c;b++){var r={};if(void 0!==q[b].vertexNormals)for(r.vertexNormals=[],d=0,e=q[b].vertexNormals.length;d<e;d++){var s=q[b].vertexNormals[d],t={};t.a=s.a.clone(),t.b=s.b.clone(),t.c=s.c.clone(),r.vertexNormals.push(t)}if(void 0!==q[b].faceNormals)for(r.faceNormals=[],d=0,e=q[b].faceNormals.length;d<e;d++)r.faceNormals.push(q[b].faceNormals[d].clone());this.morphNormals.push(r)}var u=a.skinWeights;for(b=0,c=u.length;b<c;b++)this.skinWeights.push(u[b].clone());var v=a.skinIndices;for(b=0,c=v.length;b<c;b++)this.skinIndices.push(v[b].clone());var w=a.lineDistances;for(b=0,c=w.length;b<c;b++)this.lineDistances.push(w[b]);var x=a.boundingBox;null!==x&&(this.boundingBox=x.clone());var y=a.boundingSphere;return null!==y&&(this.boundingSphere=y.clone()),this.elementsNeedUpdate=a.elementsNeedUpdate,this.verticesNeedUpdate=a.verticesNeedUpdate,this.uvsNeedUpdate=a.uvsNeedUpdate,this.normalsNeedUpdate=a.normalsNeedUpdate,this.colorsNeedUpdate=a.colorsNeedUpdate,this.lineDistancesNeedUpdate=a.lineDistancesNeedUpdate,this.groupsNeedUpdate=a.groupsNeedUpdate,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(na.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}}),Object.assign(na.prototype,{isBufferAttribute:!0,setArray:function(a){if(Array.isArray(a))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.count=void 0!==a?a.length/this.itemSize:0,this.array=a},setDynamic:function(a){return this.dynamic=a,this},copy:function(a){return this.array=new a.array.constructor(a.array),this.itemSize=a.itemSize,this.count=a.count,this.normalized=a.normalized,this.dynamic=a.dynamic,this},copyAt:function(a,b,c){a*=this.itemSize,c*=b.itemSize;for(var d=0,e=this.itemSize;d<e;d++)this.array[a+d]=b.array[c+d];return this},copyArray:function(a){return this.array.set(a),this},copyColorsArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",d),f=new U),b[c++]=f.r,b[c++]=f.g,b[c++]=f.b}return this},copyIndicesArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];b[c++]=f.a,b[c++]=f.b,b[c++]=f.c}return this},copyVector2sArray:function(a){for(var b=this.array,d=0,e=0,f=a.length;e<f;e++){var g=a[e];void 0===g&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",e),g=new c),b[d++]=g.x,b[d++]=g.y}return this},copyVector3sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var g=a[d];void 0===g&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",d),g=new f),b[c++]=g.x,b[c++]=g.y,b[c++]=g.z}return this},copyVector4sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",d),f=new i),b[c++]=f.x,b[c++]=f.y,b[c++]=f.z,b[c++]=f.w}return this},set:function(a,b){return void 0===b&&(b=0),this.array.set(a,b),this},getX:function(a){return this.array[a*this.itemSize]},setX:function(a,b){return this.array[a*this.itemSize]=b,this},getY:function(a){return this.array[a*this.itemSize+1]},setY:function(a,b){return this.array[a*this.itemSize+1]=b,this},getZ:function(a){return this.array[a*this.itemSize+2]},setZ:function(a,b){return this.array[a*this.itemSize+2]=b,this},getW:function(a){return this.array[a*this.itemSize+3]},setW:function(a,b){return this.array[a*this.itemSize+3]=b,this},setXY:function(a,b,c){return a*=this.itemSize,this.array[a+0]=b,this.array[a+1]=c,this},setXYZ:function(a,b,c,d){return a*=this.itemSize,this.array[a+0]=b,this.array[a+1]=c,this.array[a+2]=d,this},setXYZW:function(a,b,c,d,e){return a*=this.itemSize,this.array[a+0]=b,this.array[a+1]=c,this.array[a+2]=d,this.array[a+3]=e,this},onUpload:function(a){return this.onUploadCallback=a,this},clone:function(){return new this.constructor(this.array,this.itemSize).copy(this)}}),oa.prototype=Object.create(na.prototype),oa.prototype.constructor=oa,pa.prototype=Object.create(na.prototype),pa.prototype.constructor=pa,qa.prototype=Object.create(na.prototype),qa.prototype.constructor=qa,ra.prototype=Object.create(na.prototype),ra.prototype.constructor=ra,sa.prototype=Object.create(na.prototype),sa.prototype.constructor=sa,ta.prototype=Object.create(na.prototype),ta.prototype.constructor=ta,ua.prototype=Object.create(na.prototype),ua.prototype.constructor=ua,va.prototype=Object.create(na.prototype),va.prototype.constructor=va,wa.prototype=Object.create(na.prototype),wa.prototype.constructor=wa,Object.assign(xa.prototype,{computeGroups:function(a){for(var b,c=[],d=void 0,e=a.faces,f=0;f<e.length;f++){var g=e[f];g.materialIndex!==d&&(d=g.materialIndex,void 0!==b&&(b.count=3*f-b.start,c.push(b)),b={start:3*f,materialIndex:d})}void 0!==b&&(b.count=3*f-b.start,c.push(b)),this.groups=c},fromGeometry:function(a){var b,d=a.faces,e=a.vertices,f=a.faceVertexUvs,g=f[0]&&f[0].length>0,h=f[1]&&f[1].length>0,i=a.morphTargets,j=i.length;if(j>0){b=[];for(var k=0;k<j;k++)b[k]=[];this.morphTargets.position=b}var l,m=a.morphNormals,n=m.length;if(n>0){l=[];for(var k=0;k<n;k++)l[k]=[];this.morphTargets.normal=l}for(var o=a.skinIndices,p=a.skinWeights,q=o.length===e.length,r=p.length===e.length,k=0;k<d.length;k++){var s=d[k];this.vertices.push(e[s.a],e[s.b],e[s.c]);var t=s.vertexNormals;if(3===t.length)this.normals.push(t[0],t[1],t[2]);else{var u=s.normal;this.normals.push(u,u,u)}var v=s.vertexColors;if(3===v.length)this.colors.push(v[0],v[1],v[2]);else{var w=s.color;this.colors.push(w,w,w)}if(!0===g){var x=f[0][k];void 0!==x?this.uvs.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",k),this.uvs.push(new c,new c,new c))}if(!0===h){var x=f[1][k];void 0!==x?this.uvs2.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",k),this.uvs2.push(new c,new c,new c))}for(var y=0;y<j;y++){var z=i[y].vertices;b[y].push(z[s.a],z[s.b],z[s.c])}for(var y=0;y<n;y++){var A=m[y].vertexNormals[k];l[y].push(A.a,A.b,A.c)}q&&this.skinIndices.push(o[s.a],o[s.b],o[s.c]),r&&this.skinWeights.push(p[s.a],p[s.b],p[s.c])}return this.computeGroups(a),this.verticesNeedUpdate=a.verticesNeedUpdate,this.normalsNeedUpdate=a.normalsNeedUpdate,this.colorsNeedUpdate=a.colorsNeedUpdate,this.uvsNeedUpdate=a.uvsNeedUpdate,this.groupsNeedUpdate=a.groupsNeedUpdate,this}});var Rf=1;za.prototype=Object.assign(Object.create(b.prototype),{constructor:za,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(a){Array.isArray(a)?this.index=new(ya(a)>65535?ua:sa)(a,1):this.index=a},addAttribute:function(a,b){return b&&b.isBufferAttribute||b&&b.isInterleavedBufferAttribute?"index"===a?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),void this.setIndex(b)):(this.attributes[a]=b,this):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),void this.addAttribute(a,new na(arguments[1],arguments[2])))},getAttribute:function(a){return this.attributes[a]},removeAttribute:function(a){return delete this.attributes[a],this},addGroup:function(a,b,c){this.groups.push({start:a,count:b,materialIndex:void 0!==c?c:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(a,b){this.drawRange.start=a,this.drawRange.count=b},applyMatrix:function(a){var b=this.attributes.position;void 0!==b&&(a.applyToBufferAttribute(b),b.needsUpdate=!0);var c=this.attributes.normal;if(void 0!==c){(new g).getNormalMatrix(a).applyToBufferAttribute(c),c.needsUpdate=!0}return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(){var a=new d;return function(b){return a.makeRotationX(b),this.applyMatrix(a),this}}(),rotateY:function(){var a=new d;return function(b){return a.makeRotationY(b),this.applyMatrix(a),this}}(),rotateZ:function(){var a=new d;return function(b){return a.makeRotationZ(b),this.applyMatrix(a),this}}(),translate:function(){var a=new d;return function(b,c,d){return a.makeTranslation(b,c,d),this.applyMatrix(a),this}}(),scale:function(){var a=new d;return function(b,c,d){return a.makeScale(b,c,d),this.applyMatrix(a),this}}(),lookAt:function(){var a=new ia;return function(b){a.lookAt(b),a.updateMatrix(),this.applyMatrix(a.matrix)}}(),center:function(){this.computeBoundingBox();var a=this.boundingBox.getCenter().negate();return this.translate(a.x,a.y,a.z),a},setFromObject:function(a){var b=a.geometry;if(a.isPoints||a.isLine){var c=new va(3*b.vertices.length,3),d=new va(3*b.colors.length,3);if(this.addAttribute("position",c.copyVector3sArray(b.vertices)),this.addAttribute("color",d.copyColorsArray(b.colors)),b.lineDistances&&b.lineDistances.length===b.vertices.length){var e=new va(b.lineDistances.length,1);this.addAttribute("lineDistance",e.copyArray(b.lineDistances))}null!==b.boundingSphere&&(this.boundingSphere=b.boundingSphere.clone()),null!==b.boundingBox&&(this.boundingBox=b.boundingBox.clone())}else a.isMesh&&b&&b.isGeometry&&this.fromGeometry(b);return this},setFromPoints:function(a){for(var b=[],c=0,d=a.length;c<d;c++){var e=a[c];b.push(e.x,e.y,e.z||0)}return this.addAttribute("position",new va(b,3)),this},updateFromObject:function(a){var b=a.geometry;if(a.isMesh){var c=b.__directGeometry;if(!0===b.elementsNeedUpdate&&(c=void 0,b.elementsNeedUpdate=!1),void 0===c)return this.fromGeometry(b);c.verticesNeedUpdate=b.verticesNeedUpdate,c.normalsNeedUpdate=b.normalsNeedUpdate,c.colorsNeedUpdate=b.colorsNeedUpdate,c.uvsNeedUpdate=b.uvsNeedUpdate,c.groupsNeedUpdate=b.groupsNeedUpdate,b.verticesNeedUpdate=!1,b.normalsNeedUpdate=!1,b.colorsNeedUpdate=!1,b.uvsNeedUpdate=!1,b.groupsNeedUpdate=!1,b=c}var d;return!0===b.verticesNeedUpdate&&(d=this.attributes.position,void 0!==d&&(d.copyVector3sArray(b.vertices),d.needsUpdate=!0),b.verticesNeedUpdate=!1),!0===b.normalsNeedUpdate&&(d=this.attributes.normal,void 0!==d&&(d.copyVector3sArray(b.normals),d.needsUpdate=!0),b.normalsNeedUpdate=!1),!0===b.colorsNeedUpdate&&(d=this.attributes.color,void 0!==d&&(d.copyColorsArray(b.colors),d.needsUpdate=!0),b.colorsNeedUpdate=!1),b.uvsNeedUpdate&&(d=this.attributes.uv,void 0!==d&&(d.copyVector2sArray(b.uvs),d.needsUpdate=!0),b.uvsNeedUpdate=!1),b.lineDistancesNeedUpdate&&(d=this.attributes.lineDistance,void 0!==d&&(d.copyArray(b.lineDistances),d.needsUpdate=!0),b.lineDistancesNeedUpdate=!1),b.groupsNeedUpdate&&(b.computeGroups(a.geometry),this.groups=b.groups,b.groupsNeedUpdate=!1),this},fromGeometry:function(a){return a.__directGeometry=(new xa).fromGeometry(a),this.fromDirectGeometry(a.__directGeometry)},fromDirectGeometry:function(a){var b=new Float32Array(3*a.vertices.length);if(this.addAttribute("position",new na(b,3).copyVector3sArray(a.vertices)),a.normals.length>0){var c=new Float32Array(3*a.normals.length);this.addAttribute("normal",new na(c,3).copyVector3sArray(a.normals))}if(a.colors.length>0){var d=new Float32Array(3*a.colors.length);this.addAttribute("color",new na(d,3).copyColorsArray(a.colors))}if(a.uvs.length>0){var e=new Float32Array(2*a.uvs.length);this.addAttribute("uv",new na(e,2).copyVector2sArray(a.uvs))}if(a.uvs2.length>0){var f=new Float32Array(2*a.uvs2.length);this.addAttribute("uv2",new na(f,2).copyVector2sArray(a.uvs2))}if(a.indices.length>0){var g=ya(a.indices)>65535?Uint32Array:Uint16Array,h=new g(3*a.indices.length);this.setIndex(new na(h,1).copyIndicesArray(a.indices))}this.groups=a.groups;for(var i in a.morphTargets){for(var j=[],k=a.morphTargets[i],l=0,m=k.length;l<m;l++){var n=k[l],o=new va(3*n.length,3);j.push(o.copyVector3sArray(n))}this.morphAttributes[i]=j}if(a.skinIndices.length>0){var p=new va(4*a.skinIndices.length,4);this.addAttribute("skinIndex",p.copyVector4sArray(a.skinIndices))}if(a.skinWeights.length>0){var q=new va(4*a.skinWeights.length,4);this.addAttribute("skinWeight",q.copyVector4sArray(a.skinWeights))}return null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone()),null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new aa);var a=this.attributes.position;void 0!==a?this.boundingBox.setFromBufferAttribute(a):this.boundingBox.makeEmpty(),(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){var a=new aa,b=new f;return function(){null===this.boundingSphere&&(this.boundingSphere=new ba);var c=this.attributes.position;if(c){var d=this.boundingSphere.center;a.setFromBufferAttribute(c),a.getCenter(d);for(var e=0,f=0,g=c.count;f<g;f++)b.x=c.getX(f),b.y=c.getY(f),b.z=c.getZ(f),e=Math.max(e,d.distanceToSquared(b));this.boundingSphere.radius=Math.sqrt(e),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var a=this.index,b=this.attributes,c=this.groups;if(b.position){var d=b.position.array;if(void 0===b.normal)this.addAttribute("normal",new na(new Float32Array(d.length),3));else for(var e=b.normal.array,g=0,h=e.length;g<h;g++)e[g]=0;var i,j,k,l=b.normal.array,m=new f,n=new f,o=new f,p=new f,q=new f;if(a){var r=a.array;0===c.length&&this.addGroup(0,r.length);for(var s=0,t=c.length;s<t;++s)for(var u=c[s],v=u.start,w=u.count,g=v,h=v+w;g<h;g+=3)i=3*r[g+0],j=3*r[g+1],k=3*r[g+2],m.fromArray(d,i),n.fromArray(d,j),o.fromArray(d,k),p.subVectors(o,n),q.subVectors(m,n),p.cross(q),l[i]+=p.x,l[i+1]+=p.y,l[i+2]+=p.z,l[j]+=p.x,l[j+1]+=p.y,l[j+2]+=p.z,l[k]+=p.x,l[k+1]+=p.y,l[k+2]+=p.z}else for(var g=0,h=d.length;g<h;g+=9)m.fromArray(d,g),n.fromArray(d,g+3),o.fromArray(d,g+6),p.subVectors(o,n),q.subVectors(m,n),p.cross(q),l[g]=p.x,l[g+1]=p.y,l[g+2]=p.z,l[g+3]=p.x,l[g+4]=p.y,l[g+5]=p.z,l[g+6]=p.x,l[g+7]=p.y,l[g+8]=p.z;this.normalizeNormals(),b.normal.needsUpdate=!0}},merge:function(a,b){if(!a||!a.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",a);void 0===b&&(b=0);var c=this.attributes;for(var d in c)if(void 0!==a.attributes[d])for(var e=c[d],f=e.array,g=a.attributes[d],h=g.array,i=g.itemSize,j=0,k=i*b;j<h.length;j++,k++)f[k]=h[j];return this},normalizeNormals:function(){var a=new f;return function(){for(var b=this.attributes.normal,c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.normalize(),b.setXYZ(c,a.x,a.y,a.z)}}(),toNonIndexed:function(){if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),this;var a=new za,b=this.index.array,c=this.attributes;for(var d in c){for(var e=c[d],f=e.array,g=e.itemSize,h=new f.constructor(b.length*g),i=0,j=0,k=0,l=b.length;k<l;k++){i=b[k]*g;for(var m=0;m<g;m++)h[j++]=f[i++]}a.addAttribute(d,new na(h,g))}return a},toJSON:function(){var a={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(a.uuid=this.uuid,a.type=this.type,""!==this.name&&(a.name=this.name),void 0!==this.parameters){var b=this.parameters;for(var c in b)void 0!==b[c]&&(a[c]=b[c]);return a}a.data={attributes:{}};var d=this.index;if(null!==d){var e=Array.prototype.slice.call(d.array);a.data.index={type:d.array.constructor.name,array:e}}var f=this.attributes;for(var c in f){var g=f[c],e=Array.prototype.slice.call(g.array);a.data.attributes[c]={itemSize:g.itemSize,type:g.array.constructor.name,array:e,normalized:g.normalized}}var h=this.groups;h.length>0&&(a.data.groups=JSON.parse(JSON.stringify(h)));var i=this.boundingSphere;return null!==i&&(a.data.boundingSphere={center:i.center.toArray(),radius:i.radius}),a},clone:function(){return(new za).copy(this)},copy:function(a){var b,c,d;this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.name=a.name;var e=a.index;null!==e&&this.setIndex(e.clone());var f=a.attributes;for(b in f){var g=f[b];this.addAttribute(b,g.clone())}var h=a.morphAttributes;for(b in h){var i=[],j=h[b];for(c=0,d=j.length;c<d;c++)i.push(j[c].clone());this.morphAttributes[b]=i}var k=a.groups;for(c=0,d=k.length;c<d;c++){var l=k[c];this.addGroup(l.start,l.count,l.materialIndex)}var m=a.boundingBox;null!==m&&(this.boundingBox=m.clone());var n=a.boundingSphere;return null!==n&&(this.boundingSphere=n.clone()),this.drawRange.start=a.drawRange.start,this.drawRange.count=a.drawRange.count,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Aa.prototype=Object.create(ma.prototype),Aa.prototype.constructor=Aa,Ba.prototype=Object.create(za.prototype),Ba.prototype.constructor=Ba,Ca.prototype=Object.create(ma.prototype),Ca.prototype.constructor=Ca,Da.prototype=Object.create(za.prototype),Da.prototype.constructor=Da,Ea.prototype=Object.create(Z.prototype),Ea.prototype.constructor=Ea,Ea.prototype.isMeshBasicMaterial=!0,Ea.prototype.copy=function(a){return Z.prototype.copy.call(this,a),this.color.copy(a.color),this.map=a.map,this.lightMap=a.lightMap,this.lightMapIntensity=a.lightMapIntensity,this.aoMap=a.aoMap,this.aoMapIntensity=a.aoMapIntensity,this.specularMap=a.specularMap,this.alphaMap=a.alphaMap,this.envMap=a.envMap,this.combine=a.combine,this.reflectivity=a.reflectivity,this.refractionRatio=a.refractionRatio,this.wireframe=a.wireframe,this.wireframeLinewidth=a.wireframeLinewidth,this.wireframeLinecap=a.wireframeLinecap,this.wireframeLinejoin=a.wireframeLinejoin,this.skinning=a.skinning,this.morphTargets=a.morphTargets,this},Fa.prototype=Object.create(Z.prototype),Fa.prototype.constructor=Fa,Fa.prototype.isShaderMaterial=!0,Fa.prototype.copy=function(a){return Z.prototype.copy.call(this,a),this.fragmentShader=a.fragmentShader,this.vertexShader=a.vertexShader,this.uniforms=Jd.clone(a.uniforms),this.defines=a.defines,this.wireframe=a.wireframe,this.wireframeLinewidth=a.wireframeLinewidth,this.lights=a.lights,this.clipping=a.clipping,this.skinning=a.skinning,this.morphTargets=a.morphTargets,this.morphNormals=a.morphNormals,this.extensions=a.extensions,this},Fa.prototype.toJSON=function(a){var b=Z.prototype.toJSON.call(this,a);return b.uniforms=this.uniforms,b.vertexShader=this.vertexShader,b.fragmentShader=this.fragmentShader,b},Object.assign(Ga.prototype,{set:function(a,b){return this.origin.copy(a),this.direction.copy(b),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.origin.copy(a.origin),this.direction.copy(a.direction),this},at:function(a,b){return(b||new f).copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){return this.direction.copy(a).sub(this.origin).normalize(),this},recast:function(){var a=new f;return function(b){return this.origin.copy(this.at(b,a)),this}}(),closestPointToPoint:function(a,b){var c=b||new f;c.subVectors(a,this.origin);var d=c.dot(this.direction);return d<0?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 f;return function(b){var c=a.subVectors(b,this.origin).dot(this.direction);return c<0?this.origin.distanceToSquared(b):(a.copy(this.direction).multiplyScalar(c).add(this.origin),a.distanceToSquared(b))}}(),distanceSqToSegment:function(){var a=new f,b=new f,c=new f;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,i,j,k,l=.5*d.distanceTo(e),m=-this.direction.dot(b),n=c.dot(this.direction),o=-c.dot(b),p=c.lengthSq(),q=Math.abs(1-m*m);if(q>0)if(h=m*o-n,i=m*n-o,k=l*q,h>=0)if(i>=-k)if(i<=k){var r=1/q;h*=r,i*=r,j=h*(h+m*i+2*n)+i*(m*h+i+2*o)+p}else i=l,h=Math.max(0,-(m*i+n)),j=-h*h+i*(i+2*o)+p;else i=-l,h=Math.max(0,-(m*i+n)),j=-h*h+i*(i+2*o)+p;else i<=-k?(h=Math.max(0,-(-m*l+n)),i=h>0?-l:Math.min(Math.max(-l,-o),l),j=-h*h+i*(i+2*o)+p):i<=k?(h=0,i=Math.min(Math.max(-l,-o),l),j=i*(i+2*o)+p):(h=Math.max(0,-(m*l+n)),i=h>0?l:Math.min(Math.max(-l,-o),l),j=-h*h+i*(i+2*o)+p);else i=m>0?-l:l,h=Math.max(0,-(m*i+n)),j=-h*h+i*(i+2*o)+p;return f&&f.copy(this.direction).multiplyScalar(h).add(this.origin),g&&g.copy(b).multiplyScalar(i).add(a),j}}(),intersectSphere:function(){var a=new f;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;var g=Math.sqrt(f-e),h=d-g,i=d+g;return h<0&&i<0?null:h<0?this.at(i,c):this.at(h,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;var c=-(this.origin.dot(a.normal)+a.constant)/b;return c>=0?c: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||a.normal.dot(this.direction)*b<0},intersectBox:function(a,b){var c,d,e,f,g,h,i=1/this.direction.x,j=1/this.direction.y,k=1/this.direction.z,l=this.origin;return i>=0?(c=(a.min.x-l.x)*i,d=(a.max.x-l.x)*i):(c=(a.max.x-l.x)*i,d=(a.min.x-l.x)*i),j>=0?(e=(a.min.y-l.y)*j,f=(a.max.y-l.y)*j):(e=(a.max.y-l.y)*j,f=(a.min.y-l.y)*j),c>f||e>d?null:((e>c||c!==c)&&(c=e),(f<d||d!==d)&&(d=f),k>=0?(g=(a.min.z-l.z)*k,h=(a.max.z-l.z)*k):(g=(a.max.z-l.z)*k,h=(a.min.z-l.z)*k),c>h||g>d?null:((g>c||c!==c)&&(c=g),(h<d||d!==d)&&(d=h),d<0?null:this.at(c>=0?c:d,b)))},intersectsBox:function(){var a=new f;return function(b){return null!==this.intersectBox(b,a)}}(),intersectTriangle:function(){var a=new f,b=new f,c=new f,d=new f;return function(e,f,g,h,i){b.subVectors(f,e),c.subVectors(g,e),d.crossVectors(b,c);var j,k=this.direction.dot(d);if(k>0){if(h)return null;j=1}else{if(!(k<0))return null;j=-1,k=-k}a.subVectors(this.origin,e);var l=j*this.direction.dot(c.crossVectors(a,c));if(l<0)return null;var m=j*this.direction.dot(b.cross(a));if(m<0)return null;if(l+m>k)return null;var n=-j*a.dot(d);return n<0?null:this.at(n/k,i)}}(),applyMatrix4:function(a){return this.origin.applyMatrix4(a),this.direction.transformDirection(a),this},equals:function(a){return a.origin.equals(this.origin)&&a.direction.equals(this.direction)}}),Object.assign(Ha.prototype,{set:function(a,b){return this.start.copy(a),this.end.copy(b),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.start.copy(a.start),this.end.copy(a.end),this},getCenter:function(a){return(a||new f).addVectors(this.start,this.end).multiplyScalar(.5)},delta:function(a){return(a||new f).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 f;return this.delta(c).multiplyScalar(a).add(this.start)},closestPointToPointParameter:function(){var a=new f,b=new f;return function(c,d){a.subVectors(c,this.start),b.subVectors(this.end,this.start);var e=b.dot(b),f=b.dot(a),g=f/e;return d&&(g=yd.clamp(g,0,1)),g}}(),closestPointToPoint:function(a,b,c){var d=this.closestPointToPointParameter(a,b),e=c||new f;return this.delta(e).multiplyScalar(d).add(this.start)},applyMatrix4:function(a){return this.start.applyMatrix4(a),this.end.applyMatrix4(a),this},equals:function(a){return a.start.equals(this.start)&&a.end.equals(this.end)}}),Object.assign(Ia,{normal:function(){var a=new f;return function(b,c,d,e){var g=e||new f;g.subVectors(d,c),a.subVectors(b,c),g.cross(a);var h=g.lengthSq();return h>0?g.multiplyScalar(1/Math.sqrt(h)):g.set(0,0,0)}}(),barycoordFromPoint:function(){var a=new f,b=new f,c=new f;return function(d,e,g,h,i){a.subVectors(h,e),b.subVectors(g,e),c.subVectors(d,e);var j=a.dot(a),k=a.dot(b),l=a.dot(c),m=b.dot(b),n=b.dot(c),o=j*m-k*k,p=i||new f;if(0===o)return p.set(-2,-1,-1);var q=1/o,r=(m*l-k*n)*q,s=(j*n-k*l)*q;return p.set(1-r-s,s,r)}}(),containsPoint:function(){var a=new f;return function(b,c,d,e){var f=Ia.barycoordFromPoint(b,c,d,e,a);return f.x>=0&&f.y>=0&&f.x+f.y<=1}}()}),Object.assign(Ia.prototype,{set:function(a,b,c){return this.a.copy(a),this.b.copy(b),this.c.copy(c),this},setFromPointsAndIndices:function(a,b,c,d){return this.a.copy(a[b]),this.b.copy(a[c]),this.c.copy(a[d]),this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){return this.a.copy(a.a),this.b.copy(a.b),this.c.copy(a.c),this},area:function(){var a=new f,b=new f;return function(){return a.subVectors(this.c,this.b),b.subVectors(this.a,this.b),.5*a.cross(b).length()}}(),midpoint:function(a){return(a||new f).addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},normal:function(a){return Ia.normal(this.a,this.b,this.c,a)},plane:function(a){return(a||new ca).setFromCoplanarPoints(this.a,this.b,this.c)},barycoordFromPoint:function(a,b){return Ia.barycoordFromPoint(a,this.a,this.b,this.c,b)},containsPoint:function(a){return Ia.containsPoint(a,this.a,this.b,this.c)},closestPointToPoint:function(){var a=new ca,b=[new Ha,new Ha,new Ha],c=new f,d=new f;return function(e,g){var h=g||new f,i=1/0;if(a.setFromCoplanarPoints(this.a,this.b,this.c),a.projectPoint(e,c),!0===this.containsPoint(c))h.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 j=0;j<b.length;j++){b[j].closestPointToPoint(c,!0,d);var k=c.distanceToSquared(d);k<i&&(i=k,h.copy(d))}}return h}}(),equals:function(a){return a.a.equals(this.a)&&a.b.equals(this.b)&&a.c.equals(this.c)}}),Ja.prototype=Object.assign(Object.create(ia.prototype),{constructor:Ja,isMesh:!0,setDrawMode:function(a){this.drawMode=a},copy:function(a){return ia.prototype.copy.call(this,a),this.drawMode=a.drawMode,void 0!==a.morphTargetInfluences&&(this.morphTargetInfluences=a.morphTargetInfluences.slice()),void 0!==a.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},a.morphTargetDictionary)),this},updateMorphTargets:function(){var a,b,c,d=this.geometry;if(d.isBufferGeometry){var e=d.morphAttributes,f=Object.keys(e);if(f.length>0){var g=e[f[0]];if(void 0!==g)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},a=0,b=g.length;a<b;a++)c=g[a].name||String(a),this.morphTargetInfluences.push(0),this.morphTargetDictionary[c]=a}}else{var h=d.morphTargets;if(void 0!==h&&h.length>0)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},a=0,b=h.length;a<b;a++)c=h[a].name||String(a),this.morphTargetInfluences.push(0),this.morphTargetDictionary[c]=a}},raycast:function(){function a(a,b,c,d,e,f,g){return Ia.barycoordFromPoint(a,b,c,d,s),e.multiplyScalar(s.x),f.multiplyScalar(s.y),g.multiplyScalar(s.z),e.add(f).add(g),e.clone()}function b(a,b,c,d,e,f,g,h){if(null===(b.side===Hb?d.intersectTriangle(g,f,e,!0,h):d.intersectTriangle(e,f,g,b.side!==Ib,h)))return null;u.copy(h),u.applyMatrix4(a.matrixWorld);var i=c.ray.origin.distanceTo(u);return i<c.near||i>c.far?null:{distance:i,point:u.clone(),object:a}}function e(c,d,e,f,g,h,i,m){j.fromBufferAttribute(f,h),k.fromBufferAttribute(f,i),l.fromBufferAttribute(f,m);var n=b(c,c.material,d,e,j,k,l,t);return n&&(g&&(p.fromBufferAttribute(g,h),q.fromBufferAttribute(g,i),r.fromBufferAttribute(g,m),n.uv=a(t,j,k,l,p,q,r)),n.face=new la(h,i,m,Ia.normal(j,k,l)),n.faceIndex=h),n}var g=new d,h=new Ga,i=new ba,j=new f,k=new f,l=new f,m=new f,n=new f,o=new f,p=new c,q=new c,r=new c,s=new f,t=new f,u=new f;return function(c,d){var f=this.geometry,s=this.material,u=this.matrixWorld;if(void 0!==s&&(null===f.boundingSphere&&f.computeBoundingSphere(),i.copy(f.boundingSphere),i.applyMatrix4(u),!1!==c.ray.intersectsSphere(i)&&(g.getInverse(u),h.copy(c.ray).applyMatrix4(g),null===f.boundingBox||!1!==h.intersectsBox(f.boundingBox)))){var v;if(f.isBufferGeometry){var 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g.ModelEventBinding(a,{update:b.bind(function(){f.call(this)},this),updateUniform:b.bind(function(a){d.call(this,a)},this)}),a.on("update",this._materialEventBinding.eventCallbacks.update),a.on("update:uniform",this._materialEventBinding.eventCallbacks.updateUniform)},addText:function(a){this.addTexts(a)},addTexts:function(a){var c=g.TextUtils.filterTexts(a),d=b.difference(c,this._texts);b.each(d,b.bind(function(a){this._texts.push(a),this._textEventBindings[a.id]=new g.ModelEventBinding(a,{update:b.bind(function(){f.call(this)},this)}),a.on("update",this._textEventBindings[a.id].eventCallbacks.update),this._scopes[a.id]=new g.RenderScope(a,this),this._scopeEventBindings[a.id]=new g.ModelEventBinding(this._scopes[a.id],{updateUniform:b.bind(function(b){e.call(this,a.id,b)},this)}),this._scopes[a.id].on("update:uniform",this._scopeEventBindings[a.id].eventCallbacks.updateUniform)},this))},removeText:function(a){this.removeTexts(a)},removeTexts:function(a){var c=g.TextUtils.filterTexts(a),d=b.intersection(this._texts,c);b.each(d,b.bind(function(a){this._texts=b.without(this._texts,a),this._textEventBindings[a.id].unsetEventCallbacks(),this._scopeEventBindings[a.id].unsetEventCallbacks(),delete this._textEventBindings[a.id],delete this._scopeEventBindings[a.id],delete this._scopes[a.id]},this))},forText:function(a){return g.Messaging.ensureInstanceOf(a,g.Text,"Blotter.Text","Blotter","forText"),this._scopes[a.id]?this._scopes[a.id]:void g.Messaging.logError("Blotter","forText","Blotter.Text object not found in blotter")},boundsForText:function(a){return g.Messaging.ensureInstanceOf(a,g.Text,"Blotter.Text","Blotter","boundsForText"),this._scopes[a.id]?this._mapping?this.mappingMaterial.boundsForText(a):void 0:void g.Messaging.logError("Blotter","boundsForText","Blotter.Text object not found in blotter")}}}(),b.extend(g.prototype,e.prototype),g.Version="v0.1.0",g.webglRenderer=g.webglRenderer||new c.WebGLRenderer({antialias:!0,alpha:!0,premultipliedAlpha:!1}),g.Assets=g.Assets||{},g.Assets.Shaders=g.Assets.Shaders||{}}(this.Blotter,this._,this.THREE,this.Detector,this.EventEmitter),function(a){a.Math={generateUUID:function(){for(var a=[],b=0;b<256;b++)a[b]=(b<16?"0":"")+b.toString(16).toUpperCase();return function(){var b=4294967295*Math.random()|0,c=4294967295*Math.random()|0,d=4294967295*Math.random()|0,e=4294967295*Math.random()|0;return a[255&b]+a[b>>8&255]+a[b>>16&255]+a[b>>24&255]+"-"+a[255&c]+a[c>>8&255]+"-"+a[c>>16&15|64]+a[c>>24&255]+"-"+a[63&d|128]+a[d>>8&255]+"-"+a[d>>16&255]+a[d>>24&255]+a[255&e]+a[e>>8&255]+a[e>>16&255]+a[e>>24&255]}}()}}(this.Blotter),function(a){a.Messaging=function(){function a(a,b,c){return a+(b?"#"+b:"")+": "+c}return{ensureInstanceOf:function(a,b,c,d,e){if(!(a instanceof b))return void this.logError(d,e,"argument must be instanceof "+c)},logError:function(b,c,d){var e=a(b,c,d);console.error(e)},logWarning:function(b,c,d){var e=a(b,c,d);console.warn(e)},throwError:function(b,c,d){throw a(b,c,d)}}}()}(this.Blotter),function(a,b){a._extendWithGettersSetters=function(a){return b.each(Array.prototype.slice.call(arguments,1),function(b){if(b)for(var c in b)a[c]&&Object.getOwnPropertyDescriptor(a,c)&&Object.getOwnPropertyDescriptor(a,c).set?Object.getOwnPropertyDescriptor(a,c).set(b[c]):a[c]=b[c]}),a}}(this.Blotter,this._),function(a){a.VendorPrefixes=["ms","moz","webkit","o"]}(this.Blotter),function(a,b){a.ModelEventBinding=function(a,b){this.model=a,this.eventCallbacks=b||{}},a.ModelEventBinding.prototype={constructor:a.ModelEventBinding,unsetEventCallbacks:function(){b.each(this.eventCallbacks,b.bind(function(a,b){this.model.off(b,a)},this))}}}(this.Blotter,this._),function(a){a.CanvasUtils={canvas:function(a,b,c){c=c||{};var d=document.createElement("canvas");return d.className=c.class,d.innerHTML=c.html,d.width=a,d.height=b,d},hiDpiCanvas:function(a,b,c,d){c=c||this.pixelRatio,d=d||{};var e=document.createElement("canvas");return e.className=d.class,e.innerHTML=d.html,this.updateCanvasSize(e,a,b,c),e},updateCanvasSize:function(a,b,c,d){d=d||1,a.width=b*d,a.height=c*d,a.style.width=b+"px",a.style.height=c+"px",a.getContext("2d").setTransform(d,0,0,d,0,0)},pixelRatio:function(){for(var b=document.createElement("canvas").getContext("2d"),c=window.devicePixelRatio||1,d=b.backingStorePixelRatio,e=0;e<a.VendorPrefixes.length&&!d;++e)d=b[a.VendorPrefixes[e]+"BackingStorePixelRatio"];return d=d||1,c/d}(),mousePosition:function(a,b){var c=a.getBoundingClientRect();return{x:b.clientX-c.left,y:b.clientY-c.top}},normalizedMousePosition:function(a,b){var c=a.getBoundingClientRect(),d=this.mousePosition(a,b);return{x:d.x/c.width,y:d.y/c.height}}}}(this.Blotter),function(a,b){a.PropertyDefaults={family:"sans-serif",size:12,leading:1.5,fill:"#000",style:"normal",weight:400,padding:0,paddingTop:0,paddingRight:0,paddingBottom:0,paddingLeft:0},a.TextUtils={Properties:b.keys(a.PropertyDefaults),ensurePropertyValues:function(c){return c=b.defaults(c||{},a.PropertyDefaults)},filterTexts:function(c){return c=c instanceof a.Text?[c]:b.toArray(c),b.filter(c,b.bind(function(b){var c=b instanceof a.Text;return c||a.Messaging.logWarning("Blotter.TextUtils","filterTexts","object must be instance of Blotter.Text"),c},this))},stringifiedPadding:function(a){var b=a||this.ensurePropertyValues();return(a.paddingTop||b.padding)+"px "+(b.paddingRight||b.padding)+"px "+(b.paddingBottom||b.padding)+"px "+(b.paddingLeft||b.padding)+"px"},sizeForText:function(a,b){var c,d=document.createElement("span");return b=this.ensurePropertyValues(b),d.innerHTML=a,d.style.display="inline-block",d.style.fontFamily=b.family,d.style.fontSize=b.size+"px",d.style.fontWeight=b.weight,d.style.fontStyle=b.style,d.style.lineHeight=b.leading,d.style.maxWidth="none",d.style.padding=this.stringifiedPadding(b),d.style.position="absolute",d.style.width="auto",d.style.visibility="hidden",document.body.appendChild(d),c={w:d.offsetWidth,h:d.offsetHeight},document.body.removeChild(d),c}}}(this.Blotter,this._),function(a,b){a.UniformUtils={UniformTypes:["1f","2f","3f","4f"],defaultUniforms:{uResolution:{type:"2f",value:[0,0]},uGlobalTime:{type:"1f",value:0},uTimeDelta:{type:"1f",value:0},uBlendColor:{type:"4f",value:[1,1,1,1]},uPixelRatio:{type:"1f",value:a.CanvasUtils.pixelRatio}},validValueForUniformType:function(a,c){var d=!1,e=function(a){return!isNaN(a)};switch(a){case"1f":d=!isNaN(c)&&[c].every(e);break;case"2f":d=b.isArray(c)&&2==c.length&&c.every(e);break;case"3f":d=b.isArray(c)&&3==c.length&&c.every(e);break;case"4f":d=b.isArray(c)&&4==c.length&&c.every(e)}return d},glslDataTypeForUniformType:function(a){var b;switch(a){case"1f":b="float";break;case"2f":b="vec2";break;case"3f":b="vec3";break;case"4f":b="vec4"}return b},fullSwizzleStringForUniformType:function(a){var b;switch(a){case"1f":b="x";break;case"2f":b="xy";break;case"3f":b="xyz";break;case"4f":b="xyzw"}return b},extractValidUniforms:function(c){return c=c||{},b.reduce(c,function(c,d,e){return-1==a.UniformUtils.UniformTypes.indexOf(d.type)?(a.Messaging.logError("Blotter.UniformUtils","extractValidUniforms","uniforms must be one of type: "+a.UniformUtils.UniformTypes.join(", ")),c):a.UniformUtils.validValueForUniformType(d.type,d.value)?(c[e]=b.pick(d,"type","value"),c):(a.Messaging.logError("Blotter.UniformUtils","extractValidUniforms","uniform value for "+e+" is incorrect for type: "+d.type),c)},{})},ensureHasRequiredDefaultUniforms:function(b,c,d){if(!a.UniformUtils.hasRequiredDefaultUniforms(b))return void this.logError(c,d,"uniforms object is missing required default uniforms defined in Blotter.UniformUtils.defaultUniforms")},hasRequiredDefaultUniforms:function(c){return!b.difference(b.allKeys(a.UniformUtils.defaultUniforms),b.allKeys(c)).length}}}(this.Blotter,this._),function(a,b,c,d){a.Text=function(b,c){this.id=a.Math.generateUUID(),this.value=b,this.properties=c},a.Text.prototype={constructor:a.Text,get needsUpdate(){},set needsUpdate(a){!0===a&&this.trigger("update")},get properties(){return this._properties},set properties(b){this._properties=a.TextUtils.ensurePropertyValues(b)}},a._extendWithGettersSetters(a.Text.prototype,d.prototype)}(this.Blotter,this._,this.THREE,this.EventEmitter),function(a,b){a.Assets.Shaders.Blending=["//","// Author : Bradley Griffith","// License : Distributed under the MIT License.","//","","// Returns the resulting blend color by blending a top color over a base color","highp vec4 normalBlend(highp vec4 topColor, highp vec4 baseColor) {","  highp vec4 blend = vec4(0.0);","  // HACK","  // Cant divide by 0 (see the 'else' alpha) and after a lot of attempts","  // this simply seems like the only solution Im going to be able to come up with to get alpha back.","  if (baseColor.a == 1.0) {","    baseColor.a = 0.9999999;","  };","  if (topColor.a >= 1.0) {","    blend.a = topColor.a;","    blend.r = topColor.r;","    blend.g = topColor.g;","    blend.b = topColor.b;","  } else if (topColor.a == 0.0) {","    blend.a = baseColor.a;","    blend.r = baseColor.r;","    blend.g = baseColor.g;","    blend.b = baseColor.b;","  } else {","    blend.a = 1.0 - (1.0 - topColor.a) * (1.0 - baseColor.a); // alpha","    blend.r = (topColor.r * topColor.a / blend.a) + (baseColor.r * baseColor.a * (1.0 - topColor.a) / blend.a);","    blend.g = (topColor.g * topColor.a / blend.a) + (baseColor.g * baseColor.a * (1.0 - topColor.a) / blend.a);","    blend.b = (topColor.b * topColor.a / blend.a) + (baseColor.b * baseColor.a * (1.0 - topColor.a) / blend.a);","  }","  return blend;","}","// Returns a vec4 representing the original top color that would have been needed to blend","//  against a passed in base color in order to result in the passed in blend color.","highp vec4 normalUnblend(highp vec4 blendColor, highp vec4 baseColor) {","  highp vec4 unblend = vec4(0.0);","  // HACKY","  // Cant divide by 0 (see alpha) and after a lot of attempts","  // this simply seems like the only solution Im going to be able to come up with to get alpha back.","  if (baseColor.a == 1.0) {","    baseColor.a = 0.9999999;","  }","  unblend.a = 1.0 - ((1.0 - blendColor.a) / (1.0 - baseColor.a));","  // Round to two decimal places","  unblend.a = (sign(100.0 * unblend.a) * floor(abs(100.0 * unblend.a) + 0.5)) / 100.0;","  if (unblend.a >= 1.0) {","    unblend.r = blendColor.r;","    unblend.g = blendColor.g;","    unblend.b = blendColor.b;","  } else if (unblend.a == 0.0) {","    unblend.r = baseColor.r;","    unblend.g = baseColor.g;","    unblend.b = baseColor.b;","  } else {","    unblend.r = (blendColor.r - (baseColor.r * baseColor.a * (1.0 - unblend.a) / blendColor.a)) / (unblend.a / blendColor.a);","    unblend.g = (blendColor.g - (baseColor.g * baseColor.a * (1.0 - unblend.a) / blendColor.a)) / (unblend.a / blendColor.a);","    unblend.b = (blendColor.b - (baseColor.b * baseColor.a * (1.0 - unblend.a) / blendColor.a)) / (unblend.a / blendColor.a);","  }","  return unblend;","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Inf=["//","// Author : Bradley Griffith","// License : Distributed under the MIT License.","//","bool isinf(float val) {","    return (val != 0.0 && val * 2.0 == val) ? true : false;","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.LineMath=[a.Assets.Shaders.Inf,"","//","// Author : Bradley Griffith","// License : Distributed under the MIT License.","//","","// Returns the slope of a line given the degrees of the angle on which that line is rotated;","float slopeForDegrees(float deg) {","    // Ensure degrees stay withing 0.0 - 360.0","    deg = mod(deg, 360.0);","    float radians = deg * (PI / 180.0);","    return tan(radians);","}","// Given x, a slope, and another point, find y for x.","float yForXOnSlope(float x, float slope, vec2 p2) {","    return -1.0 * ((slope * (p2.x - x)) - p2.y);","}","// Given y, a slope, and another point, find x for y.","float xForYOnSlope(float y, float slope, vec2 p2) {","    return ((y - p2.y) + (slope * p2.x)) / slope;","}","// Returns slope adjusted for screen ratio.","float normalizedSlope(float slope, vec2 resolution) {","    vec2 p = vec2(1.0) / resolution;","    return ((slope * 100.0) / p.x) / (100.0 / p.x);","}","// Returns offsets (+/-) for any coordinate at distance given slope.","//   Note: This function does not normalize distance.","//   Note: This function does not adjust slope for screen ratio.","vec2 offsetsForCoordAtDistanceOnSlope(float d, float slope) {","    return vec2(","        (d * cos(atan(slope))),","        (d * sin(atan(slope)))","    );","}","// Returns a boolean designating whether or not an infinite line intersects with an infinite line, and sets an `out` variable for the intersection point if it is found.","//   Note: This function does not adjust slope for screen ratio.","bool lineLineIntersection (out vec2 intersect, in vec2 p1, in float m1, in vec2 p2, in float m2) {","    // See: http://gamedev.stackexchange.com/questions/44720/line-intersection-from-parametric-equation","    //      http://stackoverflow.com/questions/41687083/formula-to-determine-if-an-infinite-line-and-a-line-segment-intersect/41687904#41687904","    bool isIntersecting = false;","    float dx = 1.0;","    float dy = m1;","    float dxx = 1.0;","    float dyy = m2;","    float denominator = ((dxx * dy) - (dyy * dx));","    if (denominator == 0.0) {","        // Lines are parallel","        return isIntersecting;","    }","    if (isinf(dy)) {","        float y = yForXOnSlope(p1.x, m2, p2);","        isIntersecting = true;","        intersect = vec2(p1.x, y);","        return isIntersecting;","    }","    if (isinf(dyy)) {","        float y = yForXOnSlope(p2.x, m1, p1);","        isIntersecting = true;","        intersect = vec2(p2.x, y);","        return isIntersecting;","    }","    float u = ((dx * (p2.y - p1.y)) + (dy * (p1.x - p2.x))) / denominator;","    isIntersecting = true;","    intersect = p2 + (u * vec2(dxx, dyy));","    return isIntersecting;","}","// Returns a boolean designating whether or not an infinite line intersects with a line segment, and sets an `out` variable for the intersection point if it is found.","//   Note: This function does not adjust slope for screen ratio.","bool lineLineSegmentIntersection (out vec2 intersect, in vec2 point, in float m, in vec2 pA, in vec2 pB) {","    // See: http://gamedev.stackexchange.com/questions/44720/line-intersection-from-parametric-equation","    //      http://stackoverflow.com/questions/41687083/formula-to-determine-if-an-infinite-line-and-a-line-segment-intersect/41687904#41687904","    bool isIntersecting = false;","    float dx = 1.0;","    float dy = m;","    float dxx = pB.x - pA.x;","    float dyy = pB.y - pA.y;","    float denominator = ((dxx * dy) - (dyy * dx));","    if (denominator == 0.0 || (isinf(dyy / dxx) && isinf(dy))) {","        // Lines are parallel","        return isIntersecting;","    }","    if (isinf(dy)) {","        float m2 = dyy / dxx;","        float y = yForXOnSlope(point.x, m2, pB);","        isIntersecting = true;","        intersect = vec2(point.x, y);","        return isIntersecting;","    }","    float u = ((dx * (pA.y - point.y)) + (dy * (point.x - pA.x))) / denominator;","    if (u >= 0.0 && u <= 1.0) {","        // Intersection occured on line segment","        isIntersecting = true;","        intersect = pA + (u * vec2(dxx, dyy));","    }","    return isIntersecting;","}","// Dev Note: Terrible code. Needs refactor. Just trying to find ","//   which two edges of the rect the intersections occur at.","void intersectsOnRectForLine(out vec2 iA, out vec2 iB, in vec2 rMinXY, in vec2 rMaxXY, in vec2 point, in float slope) {","    bool firstIntersectFound = false;","    vec2 intersectLeft = vec2(0.0);","    vec2 intersectTop = vec2(0.0);","    vec2 intersectRight = vec2(0.0);","    vec2 intersectBottom = vec2(0.0);","    bool intersectsLeft = lineLineSegmentIntersection(intersectLeft, point, slope, rMinXY, vec2(rMinXY.x, rMaxXY.y));","    bool intersectsTop = lineLineSegmentIntersection(intersectTop, point, slope, vec2(rMinXY.x, rMaxXY.y), rMaxXY);","    bool intersectsRight = lineLineSegmentIntersection(intersectRight, point, slope, rMaxXY, vec2(rMaxXY.x, rMinXY.y));","    bool intersectsBottom = lineLineSegmentIntersection(intersectBottom, point, slope, rMinXY, vec2(rMaxXY.x, rMinXY.y));","    if (intersectsLeft) {","        if (firstIntersectFound) {","            iB = intersectLeft;","        }","        else {","            iA = intersectLeft;","            firstIntersectFound = true;","        }","    }","    if (intersectsTop) {","        if (firstIntersectFound) {","            iB = intersectTop;","        }","        else {","            iA = intersectTop;","            firstIntersectFound = true;","        }","    }","    if (intersectsRight) {","        if (firstIntersectFound) {","            iB = intersectRight;","        }","        else {","            iA = intersectRight;","            firstIntersectFound = true;","        }","    }","    if (intersectsBottom) {","        if (firstIntersectFound) {","            iB = intersectBottom;","        }","        else {","            iA = intersectBottom;","        }","    }","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.BlinnPhongSpecular=["//","// Author : Reza Ali","// License : Distributed under the MIT License.","//","","float blinnPhongSpecular( vec3 lightDirection, vec3 viewDirection, vec3 surfaceNormal, float shininess ) {","","  //Calculate Blinn-Phong power","  vec3 H = normalize(viewDirection + lightDirection);","  return pow(max(0.0, dot(surfaceNormal, H)), shininess);","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Easing=["//","// Author : Reza Ali","// License : Distributed under the MIT License.","//","","float linear( float t, float b, float c, float d )","{","    return t * ( c / d ) + b;","}","","float linear( float t )","{","    return t;","}","","float inQuad( float t, float b, float c, float d )","{","    return c * ( t /= d ) * t + b;","}","","float inQuad( float t )","{","    return t * t;","}","","float outQuad( float t, float b, float c, float d )","{","    return -c * ( t /= d ) * ( t - 2.0 ) + b;","}","","float outQuad( float t )","{","    return - ( t -= 1.0 ) * t + 1.0;","}","","float inOutQuad( float t, float b, float c, float d )","{","    if( ( t /= d / 2.0 ) < 1.0 ) {","      return c / 2.0 * t * t + b;","    }","    return - c / 2.0 * ( ( --t ) * ( t - 2.0 ) - 1.0 ) + b;","}","","float inOutQuad( float t )","{","    if( ( t /= 0.5 ) < 1.0 ) return 0.5 * t * t;","    return -0.5 * ( ( --t ) * ( t-2 ) - 1 );","}","","float inCubic( float t, float b, float c, float d )","{","    return c * ( t /= d ) * t * t + b;","}","","float inCubic( float t )","{","    return t * t * t;","}","","float outCubic( float t, float b, float c, float d )","{","    return c * ( ( t = t/d - 1.0 ) * t * t + 1.0 ) + b;","}","","float outCubic( float t )","{","    return ( ( --t ) * t * t + 1.0 );","}","","float inOutCubic( float t, float b, float c, float d )","{","    if( ( t /= d / 2.0 ) < 1.0 ) return  c / 2.0 * t * t * t + b;","    return c / 2.0 * ( ( t -= 2.0 ) * t * t + 2.0 ) + b;","}","","float inOutCubic( float t )","{","    if( ( t /= 0.5 ) < 1.0 ) return 0.5 * t * t * t;","    return 0.5 * ( ( t -= 2.0 ) * t * t + 2.0 );","}","","float inQuart( float t, float b, float c, float d )","{","    return c * ( t /= d ) * t * t * t + b;","}","","float inQuart( float t )","{","    return t * t * t * t;","}","","float outQuart( float t, float b, float c, float d )","{","    return -c * ( ( t = t/d - 1.0 ) * t * t * t - 1.0 ) + b;","}","","float outQuart( float t )","{","    return - ( ( --t ) * t * t * t - 1.0 );","}","","float inOutQuart( float t, float b, float c, float d )","{","    if ( ( t /= d / 2.0 ) < 1.0 ) return c / 2.0 * t * t * t * t + b;","    return -c / 2.0 * ( ( t -= 2.0 ) * t * t * t - 2.0 ) + b;","}","","float inOutQuart( float t )","{","    if ( (t /= 0.5 ) < 1.0 ) return 0.5 * t * t * t * t;","    return -0.5 * ( ( t -= 2.0 ) * t * t * t - 2.0 );","}","","float inQuint( float t, float b, float c, float d )","{","    return c * ( t /= d ) * t * t * t * t + b;","}","","float inQuint( float t )","{","    return t * t * t * t * t;","}","","float outQuint( float t, float b, float c, float d )","{","    return c * ( ( t = t/d - 1.0) * t * t * t * t + 1.0 ) + b;","}","","float outQuint( float t )","{","    return ( ( --t ) * t * t * t * t + 1.0 );","}","","float inOutQuint( float t, float b, float c, float d )","{","    if( ( t /= d /2.0 ) < 1.0 ) return  c / 2.0 * t * t * t * t * t + b;","    return c / 2.0 * ( ( t -= 2.0 ) * t * t * t * t + 2.0) + b;","}","","float inOutQuint( float t )","{","    if ( ( t /= 0.5 ) < 1.0 ) return 0.5 * t * t * t * t * t;","    return 0.5 * ( ( t -= 2 ) * t * t * t * t + 2.0 );","}","","float inSine( float t, float b, float c, float d )","{","    return -c * cos( t / d * ( 1.5707963268 ) ) + c + b;","}","","float inSine( float t )","{","    return -1.0 * cos( t * ( 1.5707963268 ) ) + 1.0;","}","","float outSine( float t, float b, float c, float d )","{","    return c * sin( t / d * ( 1.5707963268 ) ) + b;","}","","float outSine( float t )","{","    return sin( t * ( 1.5707963268 ) );","}","","float inOutSine( float t, float b, float c, float d )","{","    return - c / 2.0 * ( cos( 3.1415926536 * t / d ) - 1.0 ) + b;","}","","float inOutSine( float t )","{","    return -0.5 * ( cos( 3.1415926536 * t ) - 1.0 );","}","","float inExpo( float t, float b, float c, float d )","{","    return ( t == 0.0 ) ? b : c * pow( 2.0, 10.0 * ( t / d - 1.0 ) ) + b;","}","","float inExpo( float t )","{","    return ( t == 0 ) ? 0.0 : pow( 2.0, 10.0 * ( t - 1.0 ) );","}","","float outExpo( float t, float b, float c, float d )","{","    return ( t == d ) ? b + c : c * ( - pow( 2.0, -10.0 * t / d ) + 1.0 ) + b;","}","","float outExpo( float t )","{","    return ( t == 1.0 ) ? 1.0 : ( - pow( 2.0, -10.0 * t ) + 1.0 );","}","","float inOutExpo( float t, float b, float c, float d )","{","    if( t == 0 ) return b;","    if( t == d ) return b + c;","    if(( t /= d / 2.0 ) < 1.0 ) return c / 2.0 * pow( 2.0, 10.0 * ( t - 1.0 ) ) + b;","    return c / 2.0 * ( - pow( 2.0, -10.0 * --t ) + 2.0 ) + b;","}","","float inOutExpo( float t )","{","    if( t == 0.0 ) return 0.0;","    if( t == 1.0 ) return 1.0;","    if( ( t /= 0.5 ) < 1.0 ) return 0.5 * pow( 2.0, 10.0 * ( t - 1.0 ) );","    return 0.5 * ( - pow( 2.0, -10.0 * --t ) + 2.0 );","}","","float inCirc( float t, float b, float c, float d )","{","    return -c * ( sqrt( 1.0 - (t/=d)*t) - 1) + b;","}","","float inCirc( float t )","{","    return - ( sqrt( 1.0 - t*t) - 1);","}","","float outCirc( float t, float b, float c, float d )","{","    return c * sqrt( 1.0 - (t=t/d-1)*t) + b;","}","","float outCirc( float t )","{","    return sqrt( 1.0 - (--t)*t);","}","","float inOutCirc( float t, float b, float c, float d )","{","    if ( ( t /= d / 2.0 ) < 1 ) return - c / 2.0 * ( sqrt( 1.0 - t * t ) - 1.0 ) + b;","    return c / 2.0 * ( sqrt( 1.0 - ( t -= 2.0 ) * t ) + 1.0 ) + b;","}","","float inOutCirc( float t )","{","    if( ( t /= 0.5 ) < 1.0 ) return -0.5 * ( sqrt( 1.0 - t * t ) - 1.0 );","    return 0.5 * ( sqrt( 1.0 - ( t -= 2.0 ) * t ) + 1.0 );","}","","float inElastic( float t, float b, float c, float d )","{","    float s = 1.70158; float p = 0.0; float a = c;","    if( t == 0 ) return b;  if( ( t /= d ) == 1 ) return b + c;","    p = d * 0.3;","    if( a < abs( c ) ) { a = c; float s = p / 4.0; }","    else s = 0.1591549431 * p / ( 6.2831853072 ) * asin( c / a );","    return -( a * pow( 2.0, 10.0 * ( t -= 1.0 ) ) * sin( ( t * d - s ) * ( 6.2831853072 ) / p ) )  + b;","}","","float inElastic( float t )","{","    float s = 1.70158; float p = 0.0; float a = 1.0;","    if( t == 0.0 ) return 0.0;","    if( t == 1.0 ) return 1.0;","    p = 0.3;","    s = p / ( 6.2831853072 ) * asin( 1.0 / a );","    return -( a * pow( 2.0, 10.0 * ( t -= 1.0 ) ) * sin( ( t - s ) * ( 6.2831853072 ) / p ) );","}","","float outElastic( float t, float b, float c, float d )","{","    float s = 1.70158; float p = 0.0; float a = c;","    if( t == 0.0 ) return b;","    if( (t /= d ) == 1.0 ) return b + c;","    p = d * 0.3;","    if( a < abs( c ) ) { a = c; s = p / 4.0; }","    else { s = p / ( 6.2831853072 ) * asin( c / a ); }","    return a * pow( 2.0, -10.0 * t ) * sin( ( t * d - s ) * ( 6.2831853072 ) / p ) + c + b;","}","","float outElastic( float t )","{","    float s = 1.70158; float p = 0.0 ; float a = 1.0;","    if( t == 0.0 ) return 0.0;  if( t == 1.0 ) return 1.0;","    p = 0.3;","    s = p / ( 6.2831853072 ) * asin( 1.0 / a );","    return a * pow( 2.0, -10.0 * t ) * sin( ( t - s ) * ( 6.2831853072 ) / p ) + 1.0;","}","","float inOutElastic( float t, float b, float c, float d )","{","    float s = 1.70158; float p = 0.0; float a = c;","    if( t == 0.0 ) return b;","    if( ( t /= d / 2.0 ) == 2.0 ) return b + c;","    p = d * ( 0.3 * 1.5 );","    if( a < abs( c ) ) { a = c; s = p / 4.0; }","    else { s = p / ( 6.2831853072 ) * asin( c / a ); }","    if( t < 1.0 ) return -0.5 * ( a * pow( 2.0, 10.0 * ( t -= 1.0 ) ) * sin( ( t * d - s ) * ( 6.2831853072 ) / p ) ) + b;","    return a * pow( 2.0, -10.0 * ( t -= 1.0 ) ) * sin( ( t * d - s ) * ( 6.2831853072 ) / p ) * 0.5 + c + b;","}","","float inOutElastic( float t )","{","    float s = 1.70158; float p = 0; float a = 1.0;","    if( t == 0 ) return 0.0;","    if( ( t /= 0.5 ) == 2.0 ) return 1.0;","    p = ( 0.3 * 1.5 );","    s = p / ( 6.2831853072 ) * asin( 1.0 / a );","    if( t < 1.0 ) return -0.5 * ( a * pow( 2.0, 10.0 * ( t -= 1.0 ) ) * sin( ( t - s ) * ( 6.2831853072 ) / p ) );","    return a * pow( 2.0, -10.0 * ( t -= 1.0 ) ) * sin( ( t - s ) * ( 6.2831853072 ) / p ) * 0.5 + 1.0;","}","","float inBack( float t, float b, float c, float d )","{","    float s = 1.70158;","    return c * ( t /= d ) * t * ( ( s + 1.0 ) * t - s ) + b;","}","","float inBack( float t )","{","    float s = 1.70158;","    return t * t * ( ( s + 1.0 ) * t - s);","}","","float outBack( float t,  float b,  float c,  float d )","{","    float s = 1.70158;","    return c * ( ( t = t / d - 1.0 ) * t * ( ( s + 1.0 ) * t + s ) + 1.0 ) + b;","}","","float outBack( float t )","{","    float s = 1.70158;","    return ( ( --t ) * t * ( ( s + 1.0 ) * t + s ) + 1.0);","}","","float inOutBack( float t, float b, float c, float d )","{","    float s = 1.70158;","    if( ( t /= d / 2.0 ) < 1.0 ) return c / 2.0 * ( t * t * ( ( ( s *= 1.525 ) + 1.0 ) * t - s ) ) + b;","    return c / 2.0 * ( ( t -= 2.0 ) * t * ( ( ( s *= ( 1.525 ) ) + 1.0 ) * t + s ) + 2.0 ) + b;","}","","float inOutBack( float t )","{","    float s = 1.70158;","    if( ( t /= 0.5 ) < 1.0 ) return 0.5 * ( t * t * ( ( ( s *= 1.525 ) + 1.0 ) * t - s ) );","    return 0.5 * ( ( t -= 2 ) * t * ( ( ( s *= ( 1.525 ) ) + 1.0 ) * t + s ) + 2.0 );","}","","float outBounce( float t, float b, float c, float d )","{","    if( ( t /= d ) < ( 1.0 / 2.75 ) ) {","        return c * ( 7.5625 * t * t ) + b;","    } else if ( t < ( 2.0 / 2.75 ) ) {","        return c * ( 7.5625 * ( t -= ( 1.5 / 2.75 ) ) * t + 0.75 ) + b;","    } else if ( t < ( 2.5 / 2.75 ) ) {","        return c * ( 7.5625 * ( t -= ( 2.25 / 2.75 ) ) * t + 0.9375 ) + b;","    } else {","        return c * ( 7.5625 * ( t -= ( 2.625 / 2.75 ) ) * t + 0.984375 ) + b;","    }","}","","float outBounce( float t )","{","    if( t < ( 1.0 / 2.75 ) ) {","        return ( 7.5625 * t * t );","    } else if ( t < ( 2.0 / 2.75 ) ) {","        return ( 7.5625 * ( t-= ( 1.5 / 2.75 ) ) * t + .75 );","    } else if ( t < ( 2.5 / 2.75 ) ) {","        return ( 7.5625 * ( t -= ( 2.25 / 2.75 ) ) * t + 0.9375 );","    } else {","        return ( 7.5625 * ( t -= ( 2.625 / 2.75 ) ) * t + 0.984375 );","    }","}","","float inBounce( float t, float b, float c, float d )","{","    return c - outBounce( d - t, 0.0, c, d ) + b;","}","","float inBounce( float t )","{","    return 1.0 - outBounce( 1.0 - t);","}","","float inOutBounce( float t, float b, float c, float d )","{","    if ( t < d /2.0 ) return inBounce ( t * 2.0, 0.0, c, d ) * 0.5 + b;","    return outBounce ( t * 2.0 - d, 0, c, d ) * 0.5 + c * 0.5 + b;","}","","float inOutBounce( float t )","{","    if ( t < 0.5 ) return inBounce( t * 2.0 ) * 0.5;","    return outBounce( t * 2.0 - 1.0 ) * 0.5 + 0.5;","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Gamma=["//","// Author : Reza Ali","// License : Distributed under the MIT License.","//","","const vec3 cGammaCorrection = vec3( 0.4545454545 );","","vec3 gamma( in vec3 color )","{","  return pow( color, cGammaCorrection );","}","","vec4 gamma( in vec4 color )","{","  return vec4( gamma( color.rgb ), color.a );","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Map=["//","// Author : Reza Ali","// License : Distributed under the MIT License.","//","","float map( float value, float inMin, float inMax, float outMin, float outMax )","{","    return ( (value - inMin) / ( inMax - inMin ) * ( outMax - outMin ) ) + outMin;","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Noise=["//","// Author : Patricio Gonzalez Vivo and Jen Lowe","// License : Distributed under the MIT License.","// Source : https://github.com/patriciogonzalezvivo/thebookofshaders","//","float random (in float _x) {","    return fract(sin(_x)*1e4);","}","","float random (in vec2 co) {","    return fract(sin(dot(co.xy,vec2(12.9898,78.233)))*43758.5453);","}","","float noise (in float _x) {","    float i = floor(_x);","    float f = fract(_x);","    float u = f * f * (3.0 - 2.0 * f);","    return mix(random(i), random(i + 1.0), u);","}","","float noise (in vec2 _st) {","    vec2 i = floor(_st);","    vec2 f = fract(_st);","    // Four corners in 2D of a tile","    float a = random(i);","    float b = random(i + vec2(1.0, 0.0));","    float c = random(i + vec2(0.0, 1.0));","    float d = random(i + vec2(1.0, 1.0));","    vec2 u = f * f * (3.0 - 2.0 * f);","    return mix(a, b, u.x) + ","            (c - a)* u.y * (1.0 - u.x) + ","            (d - b) * u.x * u.y;","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Noise2D=["//","// Description : Array and textureless GLSL 2D simplex noise function.","//      Author : Ian McEwan, Ashima Arts.","//  Maintainer : ijm","//     Lastmod : 20110822 (ijm)","//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.","//               Distributed under the MIT License. See LICENSE file.","//               https://github.com/ashima/webgl-noise","//","","vec2 n2mod289(vec2 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec3 n2mod289(vec3 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec4 n2mod289(vec4 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec3 permute(vec3 x) {","  return n2mod289(((x*34.0)+1.0)*x);","}","","float snoise(vec2 v)","  {","  const vec4 C = vec4(0.211324865405187,  // (3.0-sqrt(3.0))/6.0","                      0.366025403784439,  // 0.5*(sqrt(3.0)-1.0)","                     -0.577350269189626,  // -1.0 + 2.0 * C.x","                      0.024390243902439); // 1.0 / 41.0","// First corner","  vec2 i  = floor(v + dot(v, C.yy) );","  vec2 x0 = v -   i + dot(i, C.xx);","","// Other corners","  vec2 i1;","  //i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0","  //i1.y = 1.0 - i1.x;","  i1 = (x0.x > x0.y) ? vec2(1.0, 0.0) : vec2(0.0, 1.0);","  // x0 = x0 - 0.0 + 0.0 * C.xx ;","  // x1 = x0 - i1 + 1.0 * C.xx ;","  // x2 = x0 - 1.0 + 2.0 * C.xx ;","  vec4 x12 = x0.xyxy + C.xxzz;","  x12.xy -= i1;","","// Permutations","  i = n2mod289(i); // Avoid truncation effects in permutation","  vec3 p = permute( permute( i.y + vec3(0.0, i1.y, 1.0 ))","   + i.x + vec3(0.0, i1.x, 1.0 ));","","  vec3 m = max(0.5 - vec3(dot(x0,x0), dot(x12.xy,x12.xy), dot(x12.zw,x12.zw)), 0.0);","  m = m*m ;","  m = m*m ;","","// Gradients: 41 points uniformly over a line, mapped onto a diamond.","// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287)","","  vec3 x = 2.0 * fract(p * C.www) - 1.0;","  vec3 h = abs(x) - 0.5;","  vec3 ox = floor(x + 0.5);","  vec3 a0 = x - ox;","","// Normalise gradients implicitly by scaling m","// Approximation of: m *= inversesqrt( a0*a0 + h*h );","  m *= 1.79284291400159 - 0.85373472095314 * ( a0*a0 + h*h );","","// Compute final noise value at P","  vec3 g;","  g.x  = a0.x  * x0.x  + h.x  * x0.y;","  g.yz = a0.yz * x12.xz + h.yz * x12.yw;","  return 130.0 * dot(m, g);","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Noise3D=["//","// Description : Array and textureless GLSL 2D/3D/4D simplex","//               noise functions.","//      Author : Ian McEwan, Ashima Arts.","//  Maintainer : ijm","//     Lastmod : 20110822 (ijm)","//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.","//               Distributed under the MIT License. See LICENSE file.","//               https://github.com/ashima/webgl-noise","//","","vec2 n3mod289(vec2 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec3 n3mod289(vec3 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec4 n3mod289(vec4 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0;","}","","vec4 permute(vec4 x) {","     return n3mod289(((x*34.0)+1.0)*x);","}","","vec4 taylorInvSqrt(vec4 r)","{","  return 1.79284291400159 - 0.85373472095314 * r;","}","","float snoise(vec3 v)","  {","  const vec2  C = vec2(1.0/6.0, 1.0/3.0) ;","  const vec4  D = vec4(0.0, 0.5, 1.0, 2.0);","","// First corner","  vec3 i  = floor(v + dot(v, C.yyy) );","  vec3 x0 =   v - i + dot(i, C.xxx) ;","","// Other corners","  vec3 g = step(x0.yzx, x0.xyz);","  vec3 l = 1.0 - g;","  vec3 i1 = min( g.xyz, l.zxy );","  vec3 i2 = max( g.xyz, l.zxy );","","  //   x0 = x0 - 0.0 + 0.0 * C.xxx;","  //   x1 = x0 - i1  + 1.0 * C.xxx;","  //   x2 = x0 - i2  + 2.0 * C.xxx;","  //   x3 = x0 - 1.0 + 3.0 * C.xxx;","  vec3 x1 = x0 - i1 + C.xxx;","  vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y","  vec3 x3 = x0 - D.yyy;      // -1.0+3.0*C.x = -0.5 = -D.y","","// Permutations","  i = n3mod289(i);","  vec4 p = permute( permute( permute(","             i.z + vec4(0.0, i1.z, i2.z, 1.0 ))","           + i.y + vec4(0.0, i1.y, i2.y, 1.0 ))","           + i.x + vec4(0.0, i1.x, i2.x, 1.0 ));","","// Gradients: 7x7 points over a square, mapped onto an octahedron.","// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)","  float n_ = 0.142857142857; // 1.0/7.0","  vec3  ns = n_ * D.wyz - D.xzx;","","  vec4 j = p - 49.0 * floor(p * ns.z * ns.z);  //  mod(p,7*7)","","  vec4 x_ = floor(j * ns.z);","  vec4 y_ = floor(j - 7.0 * x_ );    // mod(j,N)","","  vec4 x = x_ *ns.x + ns.yyyy;","  vec4 y = y_ *ns.x + ns.yyyy;","  vec4 h = 1.0 - abs(x) - abs(y);","","  vec4 b0 = vec4( x.xy, y.xy );","  vec4 b1 = vec4( x.zw, y.zw );","","  //vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;","  //vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;","  vec4 s0 = floor(b0)*2.0 + 1.0;","  vec4 s1 = floor(b1)*2.0 + 1.0;","  vec4 sh = -step(h, vec4(0.0));","","  vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;","  vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;","","  vec3 p0 = vec3(a0.xy,h.x);","  vec3 p1 = vec3(a0.zw,h.y);","  vec3 p2 = vec3(a1.xy,h.z);","  vec3 p3 = vec3(a1.zw,h.w);","","//Normalise gradients","  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));","  p0 *= norm.x;","  p1 *= norm.y;","  p2 *= norm.z;","  p3 *= norm.w;","","// Mix final noise value","  vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);","  m = m * m;","  return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),","                                dot(p2,x2), dot(p3,x3) ) );","  }"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Noise4D=["//","// Description : Array and textureless GLSL 2D/3D/4D simplex","//               noise functions.","//      Author : Ian McEwan, Ashima Arts.","//  Maintainer : ijm","//     Lastmod : 20110822 (ijm)","//     License : Copyright (C) 2011 Ashima Arts. All rights reserved.","//               Distributed under the MIT License. See LICENSE file.","//               https://github.com/ashima/webgl-noise","//","","vec4 mod289(vec4 x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0; }","","float mod289(float x) {","  return x - floor(x * (1.0 / 289.0)) * 289.0; }","","vec4 permute(vec4 x) {","     return mod289(((x*34.0)+1.0)*x);","}","","float permute(float x) {","     return mod289(((x*34.0)+1.0)*x);","}","","vec4 taylorInvSqrt(vec4 r)","{","  return 1.79284291400159 - 0.85373472095314 * r;","}","","float taylorInvSqrt(float r)","{","  return 1.79284291400159 - 0.85373472095314 * r;","}","","vec4 grad4(float j, vec4 ip)","  {","  const vec4 ones = vec4(1.0, 1.0, 1.0, -1.0);","  vec4 p,s;","","  p.xyz = floor( fract (vec3(j) * ip.xyz) * 7.0) * ip.z - 1.0;","  p.w = 1.5 - dot(abs(p.xyz), ones.xyz);","  s = vec4(lessThan(p, vec4(0.0)));","  p.xyz = p.xyz + (s.xyz*2.0 - 1.0) * s.www;","","  return p;","  }","","// (sqrt(5) - 1)/4 = F4, used once below","#define F4 0.309016994374947451","","float snoise(vec4 v)","  {","  const vec4  C = vec4( 0.138196601125011,  // (5 - sqrt(5))/20  G4","                        0.276393202250021,  // 2 * G4","                        0.414589803375032,  // 3 * G4","                       -0.447213595499958); // -1 + 4 * G4","","// First corner","  vec4 i  = floor(v + dot(v, vec4(F4)) );","  vec4 x0 = v -   i + dot(i, C.xxxx);","","// Other corners","","// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)","  vec4 i0;","  vec3 isX = step( x0.yzw, x0.xxx );","  vec3 isYZ = step( x0.zww, x0.yyz );","//  i0.x = dot( isX, vec3( 1.0 ) );","  i0.x = isX.x + isX.y + isX.z;","  i0.yzw = 1.0 - isX;","//  i0.y += dot( isYZ.xy, vec2( 1.0 ) );","  i0.y += isYZ.x + isYZ.y;","  i0.zw += 1.0 - isYZ.xy;","  i0.z += isYZ.z;","  i0.w += 1.0 - isYZ.z;","","  // i0 now contains the unique values 0,1,2,3 in each channel","  vec4 i3 = clamp( i0, 0.0, 1.0 );","  vec4 i2 = clamp( i0-1.0, 0.0, 1.0 );","  vec4 i1 = clamp( i0-2.0, 0.0, 1.0 );","","  //  x0 = x0 - 0.0 + 0.0 * C.xxxx","  //  x1 = x0 - i1  + 1.0 * C.xxxx","  //  x2 = x0 - i2  + 2.0 * C.xxxx","  //  x3 = x0 - i3  + 3.0 * C.xxxx","  //  x4 = x0 - 1.0 + 4.0 * C.xxxx","  vec4 x1 = x0 - i1 + C.xxxx;","  vec4 x2 = x0 - i2 + C.yyyy;","  vec4 x3 = x0 - i3 + C.zzzz;","  vec4 x4 = x0 + C.wwww;","","// Permutations","  i = mod289(i);","  float j0 = permute( permute( permute( permute(i.w) + i.z) + i.y) + i.x);","  vec4 j1 = permute( permute( permute( permute (","             i.w + vec4(i1.w, i2.w, i3.w, 1.0 ))","           + i.z + vec4(i1.z, i2.z, i3.z, 1.0 ))","           + i.y + vec4(i1.y, i2.y, i3.y, 1.0 ))","           + i.x + vec4(i1.x, i2.x, i3.x, 1.0 ));","","// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope","// 7*7*6 = 294, which is close to the ring size 17*17 = 289.","  vec4 ip = vec4(1.0/294.0, 1.0/49.0, 1.0/7.0, 0.0) ;","","  vec4 p0 = grad4(j0,   ip);","  vec4 p1 = grad4(j1.x, ip);","  vec4 p2 = grad4(j1.y, ip);","  vec4 p3 = grad4(j1.z, ip);","  vec4 p4 = grad4(j1.w, ip);","","// Normalise gradients","  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));","  p0 *= norm.x;","  p1 *= norm.y;","  p2 *= norm.z;","  p3 *= norm.w;","  p4 *= taylorInvSqrt(dot(p4,p4));","","// Mix contributions from the five corners","  vec3 m0 = max(0.6 - vec3(dot(x0,x0), dot(x1,x1), dot(x2,x2)), 0.0);","  vec2 m1 = max(0.6 - vec2(dot(x3,x3), dot(x4,x4)            ), 0.0);","  m0 = m0 * m0;","  m1 = m1 * m1;","  return 49.0 * ( dot(m0*m0, vec3( dot( p0, x0 ), dot( p1, x1 ), dot( p2, x2 )))","               + dot(m1*m1, vec2( dot( p3, x3 ), dot( p4, x4 ) ) ) ) ;","","  }"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.PI=["//","// Author : Reza Ali","// License : Distributed under the MIT License.","//","","#define TWO_PI 6.2831853072","#define PI 3.14159265359","#define HALF_PI 1.57079632679"].join("\n")}(this.Blotter,this._),function(a,b){a.Assets.Shaders.Random=["//","// Author : Patricio Gonzalez Vivo and Jen Lowe","// License : Distributed under the MIT License.","// Source : https://github.com/patriciogonzalezvivo/thebookofshaders","//","","float random (in float _x) {","    return fract(sin(_x)*1e4);","}","","float random (in vec2 co) {","    return fract(sin(dot(co.xy,vec2(12.9898,78.233)))*43758.5453);","}"].join("\n")}(this.Blotter,this._),function(a,b){a.Mapping=function(a,b,c,d){this.texts=a,this._textBounds=b,this._width=c,this._height=d,this._ratio=1},a.Mapping.prototype=function(){function c(b,c){return c=c||a.TextUtils.ensurePropertyValues().leading,isNaN(c)?-1!==c.toString().indexOf("px")?c=parseInt(c):-1!==c.toString().indexOf("%")&&(c=parseInt(c)/100*b):c*=b,c}return{constructor:a.Mapping,get ratio(){return this._ratio},set ratio(a){this._ratio=a||1},get width(){return this._width*this._ratio},get height(){return this._height*this._ratio},boundsForText:function(b){a.Messaging.ensureInstanceOf(b,a.Text,"Blotter.Text","Blotter.Mapping","boundsForText");var c=this._textBounds[b.id];return c&&(c={w:c.w*this._ratio,h:c.h*this._ratio,x:c.x*this._ratio,y:c.y*this._ratio}),c},toCanvas:function(d){var e=a.CanvasUtils.hiDpiCanvas(this._width,this._height,this._ratio),f=e.getContext("2d",{alpha:!1}),g=new Image;f.textBaseline="middle";for(var h=0;h<this.texts.length;h++){var i=this.texts[h],j=this._textBounds[i.id],k=c.call(this,i.properties.size,i.properties.leading)/2;f.font=i.properties.style+" "+i.properties.weight+" "+i.properties.size+"px "+i.properties.family,f.save(),f.translate(j.x+i.properties.paddingLeft,this._height-(j.y+j.h)+i.properties.paddingTop),f.fillStyle=i.properties.fill,f.fillText(i.value,0,Math.round(k)),f.restore()}g.onload=b.bind(function(){f.save(),f.scale(1,-1),f.clearRect(0,-1*this._height,this._width,this._height),f.drawImage(g,0,-1*this._height,this._width,this._height),f.restore(),d(e)},this),g.src=e.toDataURL("image/png")}}}()}(this.Blotter,this._),function(a,b,c){a.MappingMaterial=function(a,b,c,d){this.mapping=a,this.material=b,this.shaderMaterial=c,this._userUniformDataTextureObjects=d,this.init.apply(this,arguments)},a.MappingMaterial.prototype=function(){function d(a,b,c,d){var e=d.type;"1f"==e?(c[4*b]=a,c[4*b+1]=0,c[4*b+2]=0,c[4*b+3]=0):"2f"==e?(c[4*b]=a[0],c[4*b+1]=a[1],c[4*b+2]=0,c[4*b+3]=0):"3f"==e?(c[4*b]=a[0],c[4*b+1]=a[1],c[4*b+2]=a[2],c[4*b+3]=0):"4f"==e?(c[4*b]=a[0],c[4*b+1]=a[1],c[4*b+2]=a[2],c[4*b+3]=a[3]):(c[4*b]=0,c[4*b+1]=0,c[4*b+2]=0,c[4*b+3]=0)}function e(d){var e={_type:d.userUniform.type,_value:d.userUniform.value,get value(){return this._value},set value(b){if(!a.UniformUtils.validValueForUniformType(this._type,b))return void a.Messaging.logError("Blotter.MappingMaterial",!1,"uniform value not valid for uniform type: "+this._type);this._value=b,this.trigger("update")}};return b.extend(e,c.prototype),e}function f(a,c){return b.reduce(a.texts,function(a,f,g){return a[f.id]=b.reduce(c.userUniforms,function(a,b,f){var h=b.position+g;return a[f]=e(b),a[f].on("update",function(){d(a[f].value,h,c.data,b.userUniform),c.texture.needsUpdate=!0}),a[f].value=b.userUniform.value,a},{}),a},{})}function g(a,c,d){return b.reduce(c.userUniforms,function(f,g,h){return f[h]=e(g),f[h].on("update",function(){b.each(a.texts,function(a){d[a.id][h].value=f[h].value}),c.texture.needsUpdate=!0}),f},{})}return{constructor:a.MappingMaterial,get uniforms(){return this.material.uniforms},get mainImage(){return this.material.mainImage},get width(){return this.mapping.width},get height(){return this.mapping.height},get ratio(){return this.mapping.ratio},init:function(a,b,c,d){this.textUniformInterface=f(this.mapping,this._userUniformDataTextureObjects),this.uniformInterface=g(this.mapping,this._userUniformDataTextureObjects,this.textUniformInterface)},boundsForText:function(b){return a.Messaging.ensureInstanceOf(b,a.Text,"Blotter.Text","Blotter.MappingMaterial","boundsForText"),this.mapping.boundsForText(b)}}}()}(this.Blotter,this._,this.EventEmitter),function(a,b,c){a.Material=function(){this.init.apply(this,arguments)},a.Material.prototype=function(){function d(){return["void mainImage( out vec4 mainImage, in vec2 fragCoord ) {","mainImage = textTexture(fragCoord / uResolution);","}"].join("\n")}function e(d){var e={_type:d.type,_value:d.value,get type(){return this._type},set type(a){this._type=a},get value(){return this._value},set value(b){if(!a.UniformUtils.validValueForUniformType(this._type,b))return void a.Messaging.logError("Blotter.Material",!1,"uniform value not valid for uniform type: "+this._type);this._value=b,this.trigger("update")}};return b.extend(e,c.prototype),e}function f(a){return b.reduce(a,b.bind(function(a,c,d){return a[d]=e(c),a[d].on("update",b.bind(function(){this.trigger("update:uniform",[d])},this)),a},this),{})}return{constructor:a.Material,get needsUpdate(){},set needsUpdate(a){!0===a&&this.trigger("update")},get mainImage(){return this._mainImage},set mainImage(a){this._mainImage=a||d()},get uniforms(){return this._uniforms},set uniforms(c){this._uniforms=f.call(this,a.UniformUtils.extractValidUniforms(b.extend(c,a.UniformUtils.defaultUniforms)))},init:function(){this.mainImage=d(),this.uniforms={}}}}(),a._extendWithGettersSetters(a.Material.prototype,c.prototype)}(this.Blotter,this._,this.EventEmitter),function(a,b){a.ShaderMaterial=function(b,c){a.Material.apply(this,arguments)},a.ShaderMaterial.prototype=Object.create(a.Material.prototype),a._extendWithGettersSetters(a.ShaderMaterial.prototype,function(){return{constructor:a.ShaderMaterial,init:function(a,c){b.defaults(this,c),this.mainImage=a}}}())}(this.Blotter,this._),function(a,b,c){a.RenderScope=function(b,c){this.text=b,this.blotter=c,this.material={mainImage:this.blotter.material.mainImage},this._mappingMaterial=c.mappingMaterial,this.playing=this.blotter.autoplay,this.timeDelta=0,this.lastDrawTime=!1,this.frameCount=0,this.domElement=a.CanvasUtils.hiDpiCanvas(0,0,this.blotter.ratio,{class:"b-canvas",html:b.value}),this.context=this.domElement.getContext("2d")},a.RenderScope.prototype=function(){function d(){function b(b){c.domElement.addEventListener(b,function(d){var e=a.CanvasUtils.normalizedMousePosition(c.domElement,d);c.emit(b,e)},!1)}for(var c=this,d=["mousedown","mouseup","mousemove","mouseenter","mouseleave"],e=0;e<d.length;e++){b(d[e])}}function e(a,b){var c=a.boundsForText(b);if(c)return{w:c.w,h:c.h,x:-1*Math.floor(c.x),y:-1*Math.floor(a.height-(c.y+c.h))}}function f(a,c){b.each(a,function(a,b){var d=c[b];if(d){var e=d.type==a.type,f=d.value==a.value;e&&!f&&(d.value=a.value)}})}function g(d){var e={_type:d.type,_value:d.value,get type(){return this._type},set type(b){a.Messaging.logError("Blotter.RenderScope",!1,"uniform types may not be updated through a text scope")},get value(){return this._value},set value(b){if(!a.UniformUtils.validValueForUniformType(this._type,b))return void a.Messaging.logError("Blotter.RenderScope",!1,"uniform value not valid for uniform type: "+this._type);this._value=b,this.trigger("update")}};return b.extend(e,c.prototype),e}function h(a){return b.reduce(a,b.bind(function(a,c,d){return a[d]=g(c),a[d].on("update",b.bind(function(){this.trigger("update:uniform",[d])},this)),a},this),{})}function i(){var b=this._mappingMaterial,c=b&&e(b,this.text),d=this.material.uniforms;b&&c&&(a.CanvasUtils.updateCanvasSize(this.domElement,c.w/this.blotter.ratio,c.h/this.blotter.ratio,this.blotter.ratio),this.domElement.innerHTML=this.text.value,this.bounds=c,this.material.uniforms=h.call(this,b.uniforms),this.material.mainImage=b.mainImage,d&&f(d,this.material.uniforms),this.trigger(this.lastUpdated?"update":"ready"),this.lastUpdated=Date.now())}return{constructor:a.RenderScope,get needsUpdate(){},set needsUpdate(a){!0===a&&i.call(this)},get mappingMaterial(){},set mappingMaterial(a){this._mappingMaterial=a},play:function(){this.playing=!0},pause:function(){this.playing=!1},render:function(){if(this.bounds){var a=Date.now();this.frameCount+=1,this.timeDelta=(a-(this.lastDrawTime||a))/1e3,this.lastDrawTime=a,this.context.clearRect(0,0,this.domElement.width,this.domElement.height),this.context.putImageData(this.blotter.imageData,this.bounds.x,this.bounds.y),this.trigger("render",[this.frameCount])}},appendTo:function(a){return"function"==typeof a.append?a.append(this.domElement):a.appendChild(this.domElement),d.call(this),this}}}(),a._extendWithGettersSetters(a.RenderScope.prototype,c.prototype)}(this.Blotter,this._,this.EventEmitter),function(a,b,c,d){var e=this;a.Renderer=function(){this._currentAnimationLoop=!1,this._scene=new c.Scene,this._plane=new c.PlaneGeometry(1,1),this._material=new c.MeshBasicMaterial,this._mesh=new c.Mesh(this._plane,this._material),this._scene.add(this._mesh),this._camera=new c.OrthographicCamera(.5,.5,.5,.5,0,100),this.init.apply(this,arguments)},a.Renderer.prototype=function(){function d(a,b){var d=new c.WebGLRenderTarget(a,b,{minFilter:c.LinearFilter,magFilter:c.LinearFilter,format:c.RGBAFormat,type:c.UnsignedByteType});return d.texture.generateMipmaps=!1,d.width=a,d.height=b,d}function f(){a.webglRenderer.render(this._scene,this._camera,this._renderTarget),a.webglRenderer.readRenderTargetPixels(this._renderTarget,0,0,this._renderTarget.width,this._renderTarget.height,this._imageDataArray),this.trigger("render"),this._currentAnimationLoop=e.requestAnimationFrame(b.bind(f,this))}return{constructor:a.Renderer,get material(){},set material(a){a instanceof c.Material&&(this._material=a,this._mesh.material=a)},get width(){return this._width},set width(a){this.setSize(a,this._height)},get height(){return this._height},set height(a){this.setSize(this._width,a)},init:function(){this.setSize(1,1)},start:function(){this._currentAnimationLoop||f.call(this)},stop:function(){this._currentAnimationLoop&&(e.cancelAnimationFrame(this._currentAnimationLoop),this._currentAnimationLoop=void 0)},setSize:function(a,b){this._width=Math.trunc(a)||1,this._height=Math.trunc(b)||1,this._mesh.scale.set(this._width,this._height,1),this._camera.left=this._width/-2,this._camera.right=this._width/2,this._camera.top=this._height/2,this._camera.bottom=this._height/-2,this._camera.updateProjectionMatrix(),this._renderTarget=d(this._width,this._height),this._viewBuffer=new ArrayBuffer(this._width*this._height*4),this._imageDataArray=new Uint8Array(this._viewBuffer),this._clampedImageDataArray=new Uint8ClampedArray(this._viewBuffer),this.imageData=new ImageData(this._clampedImageDataArray,this._width,this._height)},teardown:function(){this.stop()}}}(),a._extendWithGettersSetters(a.Renderer.prototype,d.prototype)}(this.Blotter,this._,this.THREE,this.EventEmitter),function(a,b,c,d){a.BoundsDataTextureBuilder=function(){function a(a){for(var b=a.texts,c=new Float32Array(4*b.length),d=0;d<b.length;d++){var e=b[d],f=a.boundsForText(e);c[4*d]=f.x,c[4*d+1]=a.height-(f.y+f.h),c[4*d+2]=f.w,c[4*d+3]=f.h}return c}return{build:function(b,e){d(function(){var d=a(b),f=new c.DataTexture(d,b.texts.length,1,c.RGBAFormat,c.FloatType);f.needsUpdate=!0,e(f)})}}}()}(this.Blotter,this._,this.THREE,this.setImmediate),function(a,b,c,d){a.IndicesDataTextureBuilder=function(){function a(a,b,c,d){for(var e=a.ratio,f=new Float32Array(c*b*4),g=b%1,h=1/a.texts.length/2,i=1;i<f.length/4;i++){for(var j=Math.ceil(i/(b-g)),k=i-(b-g)*(j-1),l=0,m=0,n=0,o=0;o<a.texts.length;o++){var p=a.texts[o],q=a.boundsForText(p),r=q.w/e*d,s=q.h/e*d,t=q.x/e*d,u=q.y/e*d;if(j>=u&&j<=u+s&&k>=t&&k<=t+r){l=o/a.texts.length+h,n=1;break}}var v=i-1;f[4*v+0]=l,f[4*v+1]=m,f[4*v+2]=m,f[4*v+3]=n}return f}return{build:function(b,e){var f=.5;d(function(){var d=b.width/b.ratio*f,g=b.height/b.ratio*f,h=a(b,d,g,f),i=new c.DataTexture(h,d,g,c.RGBAFormat,c.FloatType);i.flipY=!0,i.needsUpdate=!0,e(i)})}}}()}(this.Blotter,this._,this.THREE,this.setImmediate),function(a,b,c){a.TextTextureBuilder=function(){return{build:function(a,d){var e,f=new c.TextureLoader;a.toCanvas(b.bind(function(a){e=a.toDataURL(),f.load(e,b.bind(function(a){a.minFilter=c.LinearFilter,a.magFilter=c.LinearFilter,a.generateMipmaps=!0,a.needsUpdate=!0,d(a)},this))},this))}}}()}(this.Blotter,this._,this.THREE),function(a,b,c,d,e){a.MappingBuilder=function(){function c(a,b){var c=a.w*a.h;return b.w*b.h-c}function f(c){return b.reduce(c,function(b,c){var d=a.TextUtils.sizeForText(c.value,c.properties);return b[c.id]=d,b},[])}return{build:function(b,g){e(function(){var e=a.TextUtils.filterTexts(b),h=f(e),i=new d,j=[],k={};for(var l in h)if(h.hasOwnProperty(l)){var m=h[l];m.referenceId=l,j.push(m)}i.fit(j.sort(c));for(var n=0;n<j.length;n++){var o=j[n];k[o.referenceId]={w:o.w,h:o.h,x:o.fit.x,y:i.root.h-(o.fit.y+o.h)}}g(new a.Mapping(e,k,i.root.w,i.root.h))})}}}()}(this.Blotter,this._,this.THREE,this.GrowingPacker,this.setImmediate),function(a,b,c){a.MappingMaterialBuilder=function(){function d(){return["varying vec2 _vTexCoord;","void main() {","  _vTexCoord = uv;","  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);","}"].join("\n")}function e(c,d,e){var f,g={publicUniformDeclarations:"",publicUniformDefinitions:""},h=(1/c.data.length/2).toFixed(20),i=c.texture.image.width.toFixed(1);return b.reduce(c.userUniforms,function(b,c,e){var f=a.UniformUtils.fullSwizzleStringForUniformType(c.userUniform.type),g=a.UniformUtils.glslDataTypeForUniformType(c.userUniform.type),j="(("+c.position.toFixed(1)+" + ((textIndex - ((1.0 / "+d.toFixed(1)+") / 2.0)) * "+d.toFixed(1)+")) / "+i+") + "+h;return b.publicUniformDeclarations+=g+" "+e+";\n",b.publicUniformDefinitions+="   "+e+" = texture2D(_userUniformsTexture, vec2("+j+", 0.5))."+f+";\n",b},g),f=[a.Assets.Shaders.Blending,a.Assets.Shaders.TextTexture,"uniform sampler2D _uSampler;","uniform vec2 _uCanvasResolution;","uniform sampler2D _uTextIndicesTexture;","uniform sampler2D _uTextBoundsTexture;","varying vec2 _vTexCoord;","vec4 _textBounds;","uniform sampler2D _userUniformsTexture;",g.publicUniformDeclarations,"// Helper function used by user programs to retrieve texel color information within the bounds of","// any given text. This is to be used instead of `texture2D` in the fragment sources for all Blotter materials.","vec4 textTexture(vec2 coord) {","   vec2 adjustedFragCoord = _textBounds.xy + vec2((_textBounds.z * coord.x), (_textBounds.w * coord.y));","   vec2 uv = adjustedFragCoord.xy / _uCanvasResolution;","   //  If adjustedFragCoord falls outside the bounds of the current texel's text, return `vec4(0.0)`.","   if (adjustedFragCoord.x < _textBounds.x ||","       adjustedFragCoord.x > _textBounds.x + _textBounds.z ||","       adjustedFragCoord.y < _textBounds.y ||","       adjustedFragCoord.y > _textBounds.y + _textBounds.w) {","     return vec4(0.0);","   }","   return texture2D(_uSampler, uv);","}","void mainImage(out vec4 mainImage, in vec2 fragCoord);",e,"void main(void) {","   vec4 textIndexData = texture2D(_uTextIndicesTexture, _vTexCoord);","   float textIndex = textIndexData.r;","   float textAlpha = textIndexData.a;","   _textBounds = texture2D(_uTextBoundsTexture, vec2(textIndex, 0.5));",g.publicUniformDefinitions,"   uResolution = _textBounds.zw;","   vec2 fragCoord = gl_FragCoord.xy - _textBounds.xy;","   vec4 outColor;","   mainImage(outColor, fragCoord);","   outColor.a = outColor.a * textAlpha;","   gl_FragColor = outColor;","}"],f.join("\n")}function f(b,c){a.TextTextureBuilder.build(b,function(a){c(a)})}function g(c,d){var e,f,g,h=[];e=function(){return function(b){a.IndicesDataTextureBuilder.build(c,function(a){h.push({uniformName:"_uTextIndicesTexture",texture:a}),b()})}},f=function(){return function(b){a.BoundsDataTextureBuilder.build(c,function(a){h.push({uniformName:"_uTextBoundsTexture",texture:a}),b()})}},g=[e(),f()],b(g).reduceRight(b.wrap,function(){d(h)})()}function h(d,e,f){a.UniformUtils.ensureHasRequiredDefaultUniforms(d,"Blotter.MappingMaterialBuilder","_buildUserUniformDataTextureObjects"),d=a.UniformUtils.extractValidUniforms(d);var g=Object.keys(d).length*e,h=new Float32Array(4*g),i=new c.DataTexture(h,g,1,c.RGBAFormat,c.FloatType),j={data:h,texture:i,userUniforms:{}};b.reduce(d,function(a,b,c){var f=Object.keys(d).indexOf(c)*e;return a.userUniforms[c]={userUniform:b,position:f},a},j),f(j)}function i(a){return b.reduce(a,function(a,b){return a[b.uniformName]={type:"t",value:b.texture},a},{})}function j(a){return{_userUniformsTexture:{type:"t",value:a.texture}}}function k(a,c,d,e,f){var g={_uSampler:{type:"t",value:d},_uCanvasResolution:{type:"2f",value:[a,c]}};return b.extend(g,i(e)),b.extend(g,j(f)),g}function l(a,b,d){var e=new c.ShaderMaterial({vertexShader:a,fragmentShader:b,uniforms:d});return e.depthTest=!1,e.depthWrite=!1,e.premultipliedAlpha=!1,e}return{build:function(c,i,j){var m,n,o,p,q;m=function(){return function(a){f(c,function(b){o=b,a()})}},n=function(){return function(a){g(c,function(b){p=b,a()})}},buildUserUniformDataTextureObjects=function(){return function(a){h(i.uniforms,c.texts.length,function(b){userUniformDataTextureObjects=b,a()})}},q=[m(),n(),buildUserUniformDataTextureObjects()],b(q).reduceRight(b.wrap,function(){var f=k(c.width,c.height,o,p,userUniformDataTextureObjects),g=(b.omit(f,"_uCanvasResolution","_uSampler","_uTextBoundsTexture","_uTextIndicesTexture"),l(d(),e(userUniformDataTextureObjects,c.texts.length,i.mainImage),f));j(new a.MappingMaterial(c,i,g,userUniformDataTextureObjects))})()}}}()}(this.Blotter,this._,this.THREE);