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@@ -59,31 +59,32 @@ b)}function Sj(a,b){a.uniform3iv(this.addr,b)}function Tj(a,b){a.uniform4iv(this
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b,c){var d=b.length,e=yh(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.safeSetTexture2D(b[a]||Dh,e[a])}function bk(a,b,c){var d=b.length,e=yh(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.safeSetTextureCube(b[a]||Eh,e[a])}function ck(a){switch(a){case 5126:return Pj;case 35664:return Uj;case 35665:return Vj;case 35666:return Wj;case 35674:return Xj;case 35675:return Yj;case 35676:return Zj;case 5124:case 35670:return Qj;case 35667:case 35671:return Rj;case 35668:case 35672:return Sj;case 35669:case 35673:return Tj;
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case 35678:case 36198:case 36298:case 36306:case 35682:return ak;case 35680:case 36300:case 36308:case 36293:return bk}}function dk(a,b,c){this.id=a;this.addr=c;this.cache=[];this.setValue=Oj(b.type)}function Fh(a,b,c){this.id=a;this.addr=c;this.cache=[];this.size=b.size;this.setValue=ck(b.type)}function Gh(a){this.id=a;this.seq=[];this.map={}}function Eb(a,b){this.seq=[];this.map={};for(var c=a.getProgramParameter(b,35718),d=0;d<c;++d){var e=a.getActiveUniform(b,d),f=a.getUniformLocation(b,e.name),
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g=this,h=e.name,l=h.length;for(gg.lastIndex=0;;){var m=gg.exec(h),t=gg.lastIndex,p=m[1],k=m[3];"]"===m[2]&&(p|=0);if(void 0===k||"["===k&&t+2===l){h=g;e=void 0===k?new dk(p,e,f):new Fh(p,e,f);h.seq.push(e);h.map[e.id]=e;break}else k=g.map[p],void 0===k&&(k=new Gh(p),p=g,g=k,p.seq.push(g),p.map[g.id]=g),g=k}}}function Hh(a,b,c){b=a.createShader(b);a.shaderSource(b,c);a.compileShader(b);return b}function Ih(a){switch(a){case 3E3:return["Linear","( value )"];case 3001:return["sRGB","( value )"];case 3002:return["RGBE",
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-"( value )"];case 3004:return["RGBM","( value, 7.0 )"];case 3005:return["RGBM","( value, 16.0 )"];case 3006:return["RGBD","( value, 256.0 )"];case 3007:return["Gamma","( value, float( GAMMA_FACTOR ) )"];case 3003:return["LogLuv","( value )"];default:throw Error("unsupported encoding: "+a);}}function Jh(a,b,c){var d=a.getShaderParameter(b,35713),e=a.getShaderInfoLog(b).trim();if(d&&""===e)return"";a=a.getShaderSource(b).split("\n");for(b=0;b<a.length;b++)a[b]=b+1+": "+a[b];a=a.join("\n");return"THREE.WebGLShader: gl.getShaderInfoLog() "+
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-c+"\n"+e+a}function Gd(a,b){b=Ih(b);return"vec4 "+a+"( vec4 value ) { return "+b[0]+"ToLinear"+b[1]+"; }"}function ek(a,b){b=Ih(b);return"vec4 "+a+"( vec4 value ) { return LinearTo"+b[0]+b[1]+"; }"}function fk(a,b){switch(b){case 1:b="Linear";break;case 2:b="Reinhard";break;case 3:b="OptimizedCineon";break;case 4:b="ACESFilmic";break;default:throw Error("unsupported toneMapping: "+b);}return"vec3 "+a+"( vec3 color ) { return "+b+"ToneMapping( color ); }"}function gk(a){var b=[],c;for(c in a){var d=
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-a[c];!1!==d&&b.push("#define "+c+" "+d)}return b.join("\n")}function Hd(a){return""!==a}function Kh(a,b){return a.replace(/NUM_DIR_LIGHTS/g,b.numDirLights).replace(/NUM_SPOT_LIGHTS/g,b.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g,b.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,b.numPointLights).replace(/NUM_HEMI_LIGHTS/g,b.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g,b.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g,b.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,b.numPointLightShadows)}
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-function Lh(a,b){return a.replace(/NUM_CLIPPING_PLANES/g,b.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,b.numClippingPlanes-b.numClipIntersection)}function hg(a,b){a=Q[b];if(void 0===a)throw Error("Can not resolve #include <"+b+">");return a.replace(ig,hg)}function Mh(a,b,c,d){console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.");return jg(a,b,c,d)}function jg(a,b,c,d){a="";for(b=parseInt(b);b<parseInt(c);b++)a+=
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-d.replace(/\[ i \]/g,"[ "+b+" ]").replace(/UNROLLED_LOOP_INDEX/g,b);return a}function Nh(a){var b="precision "+a.precision+" float;\nprecision "+a.precision+" int;";"highp"===a.precision?b+="\n#define HIGH_PRECISION":"mediump"===a.precision?b+="\n#define MEDIUM_PRECISION":"lowp"===a.precision&&(b+="\n#define LOW_PRECISION");return b}function hk(a){var b="SHADOWMAP_TYPE_BASIC";1===a.shadowMapType?b="SHADOWMAP_TYPE_PCF":2===a.shadowMapType?b="SHADOWMAP_TYPE_PCF_SOFT":3===a.shadowMapType&&(b="SHADOWMAP_TYPE_VSM");
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-return b}function ik(a){var b="ENVMAP_TYPE_CUBE";if(a.envMap)switch(a.envMapMode){case 301:case 302:b="ENVMAP_TYPE_CUBE";break;case 306:case 307:b="ENVMAP_TYPE_CUBE_UV";break;case 303:case 304:b="ENVMAP_TYPE_EQUIREC"}return b}function jk(a){var b="ENVMAP_MODE_REFLECTION";if(a.envMap)switch(a.envMapMode){case 302:case 304:b="ENVMAP_MODE_REFRACTION"}return b}function kk(a){var b="ENVMAP_BLENDING_NONE";if(a.envMap)switch(a.combine){case 0:b="ENVMAP_BLENDING_MULTIPLY";break;case 1:b="ENVMAP_BLENDING_MIX";
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-break;case 2:b="ENVMAP_BLENDING_ADD"}return b}function lk(a,b,c){var d=a.getContext(),e=c.defines,f=c.vertexShader,g=c.fragmentShader,h=hk(c),l=ik(c),m=jk(c),t=kk(c),p=0<a.gammaFactor?a.gammaFactor:1,k=c.isWebGL2?"":[c.extensionDerivatives||c.envMapCubeUV||c.bumpMap||c.tangentSpaceNormalMap||c.clearcoatNormalMap||c.flatShading||"physical"===c.shaderID?"#extension GL_OES_standard_derivatives : enable":"",(c.extensionFragDepth||c.logarithmicDepthBuffer)&&c.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":
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-"",c.extensionDrawBuffers&&c.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(c.extensionShaderTextureLOD||c.envMap)&&c.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(Hd).join("\n"),q=gk(e),r=d.createProgram();c.isRawShaderMaterial?(e=[q].filter(Hd).join("\n"),0<e.length&&(e+="\n"),h=[k,q].filter(Hd).join("\n"),0<h.length&&(h+="\n")):(e=[Nh(c),"#define SHADER_NAME "+c.shaderName,q,c.instancing?"#define USE_INSTANCING":"",c.supportsVertexTextures?
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-"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+p,"#define MAX_BONES "+c.maxBones,c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+m:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":
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-"",c.normalMap&&c.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",c.displacementMap&&c.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":"",c.alphaMap?"#define USE_ALPHAMAP":"",c.vertexTangents?
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-"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",c.flatShading?"#define FLAT_SHADED":"",c.skinning?"#define USE_SKINNING":"",c.useVertexTexture?"#define BONE_TEXTURE":"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals&&!1===c.flatShading?"#define USE_MORPHNORMALS":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?
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-"#define "+h:"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&c.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef USE_INSTANCING"," attribute mat4 instanceMatrix;","#endif","attribute vec3 position;",
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-"attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_TANGENT","\tattribute vec4 tangent;","#endif","#ifdef USE_COLOR","\tattribute vec3 color;","#endif","#ifdef USE_MORPHTARGETS","\tattribute vec3 morphTarget0;","\tattribute vec3 morphTarget1;","\tattribute vec3 morphTarget2;","\tattribute vec3 morphTarget3;","\t#ifdef USE_MORPHNORMALS","\t\tattribute vec3 morphNormal0;","\t\tattribute vec3 morphNormal1;","\t\tattribute vec3 morphNormal2;","\t\tattribute vec3 morphNormal3;","\t#else","\t\tattribute vec3 morphTarget4;",
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-"\t\tattribute vec3 morphTarget5;","\t\tattribute vec3 morphTarget6;","\t\tattribute vec3 morphTarget7;","\t#endif","#endif","#ifdef USE_SKINNING","\tattribute vec4 skinIndex;","\tattribute vec4 skinWeight;","#endif","\n"].filter(Hd).join("\n"),h=[k,Nh(c),"#define SHADER_NAME "+c.shaderName,q,c.alphaTest?"#define ALPHATEST "+c.alphaTest+(c.alphaTest%1?"":".0"):"","#define GAMMA_FACTOR "+p,c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.matcap?
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-"#define USE_MATCAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+l:"",c.envMap?"#define "+m:"",c.envMap?"#define "+t:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",c.normalMap&&c.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":
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-"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":"",c.alphaMap?"#define USE_ALPHAMAP":"",c.sheen?"#define USE_SHEEN":"",c.vertexTangents?"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",c.gradientMap?"#define USE_GRADIENTMAP":
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-"",c.flatShading?"#define FLAT_SHADED":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?"#define "+h:"",c.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",c.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&c.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"",(c.extensionShaderTextureLOD||c.envMap)&&
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-c.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",0!==c.toneMapping?"#define TONE_MAPPING":"",0!==c.toneMapping?Q.tonemapping_pars_fragment:"",0!==c.toneMapping?fk("toneMapping",c.toneMapping):"",c.dithering?"#define DITHERING":"",c.outputEncoding||c.mapEncoding||c.matcapEncoding||c.envMapEncoding||c.emissiveMapEncoding||c.lightMapEncoding?Q.encodings_pars_fragment:"",c.mapEncoding?Gd("mapTexelToLinear",
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-c.mapEncoding):"",c.matcapEncoding?Gd("matcapTexelToLinear",c.matcapEncoding):"",c.envMapEncoding?Gd("envMapTexelToLinear",c.envMapEncoding):"",c.emissiveMapEncoding?Gd("emissiveMapTexelToLinear",c.emissiveMapEncoding):"",c.lightMapEncoding?Gd("lightMapTexelToLinear",c.lightMapEncoding):"",c.outputEncoding?ek("linearToOutputTexel",c.outputEncoding):"",c.depthPacking?"#define DEPTH_PACKING "+c.depthPacking:"","\n"].filter(Hd).join("\n"));f=f.replace(ig,hg);f=Kh(f,c);f=Lh(f,c);g=g.replace(ig,hg);g=
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-Kh(g,c);g=Lh(g,c);f=f.replace(Oh,jg).replace(Ph,Mh);g=g.replace(Oh,jg).replace(Ph,Mh);c.isWebGL2&&!c.isRawShaderMaterial&&(l=!1,m=/^\s*#version\s+300\s+es\s*\n/,c.isShaderMaterial&&null!==f.match(m)&&null!==g.match(m)&&(l=!0,f=f.replace(m,""),g=g.replace(m,"")),e="#version 300 es\n\n#define attribute in\n#define varying out\n#define texture2D texture\n"+e,h=["#version 300 es\n\n#define varying in",l?"":"out highp vec4 pc_fragColor;",l?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth\n#define texture2D texture\n#define textureCube texture\n#define texture2DProj textureProj\n#define texture2DLodEXT textureLod\n#define texture2DProjLodEXT textureProjLod\n#define textureCubeLodEXT textureLod\n#define texture2DGradEXT textureGrad\n#define texture2DProjGradEXT textureProjGrad\n#define textureCubeGradEXT textureGrad"].join("\n")+
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-"\n"+h);g=h+g;f=Hh(d,35633,e+f);g=Hh(d,35632,g);d.attachShader(r,f);d.attachShader(r,g);void 0!==c.index0AttributeName?d.bindAttribLocation(r,0,c.index0AttributeName):!0===c.morphTargets&&d.bindAttribLocation(r,0,"position");d.linkProgram(r);if(a.debug.checkShaderErrors){a=d.getProgramInfoLog(r).trim();l=d.getShaderInfoLog(f).trim();m=d.getShaderInfoLog(g).trim();p=t=!0;if(!1===d.getProgramParameter(r,35714))t=!1,k=Jh(d,f,"vertex"),q=Jh(d,g,"fragment"),console.error("THREE.WebGLProgram: shader error: ",
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-d.getError(),"35715",d.getProgramParameter(r,35715),"gl.getProgramInfoLog",a,k,q);else if(""!==a)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",a);else if(""===l||""===m)p=!1;p&&(this.diagnostics={runnable:t,programLog:a,vertexShader:{log:l,prefix:e},fragmentShader:{log:m,prefix:h}})}d.deleteShader(f);d.deleteShader(g);var v;this.getUniforms=function(){void 0===v&&(v=new Eb(d,r));return v};var n;this.getAttributes=function(){if(void 0===n){for(var a={},b=d.getProgramParameter(r,35721),
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-c=0;c<b;c++){var e=d.getActiveAttrib(r,c).name;a[e]=d.getAttribLocation(r,e)}n=a}return n};this.destroy=function(){d.deleteProgram(r);this.program=void 0};this.name=c.shaderName;this.id=mk++;this.cacheKey=b;this.usedTimes=1;this.program=r;this.vertexShader=f;this.fragmentShader=g;return this}function nk(a,b,c){function d(a){if(a)a.isTexture?b=a.encoding:a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),
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-b=a.texture.encoding);else var b=3E3;return b}var e=[],f=c.isWebGL2,g=c.logarithmicDepthBuffer,h=c.floatVertexTextures,l=c.maxVertexUniforms,m=c.vertexTextures,t=c.precision,p={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",
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-PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},k="precision isWebGL2 supportsVertexTextures outputEncoding instancing map mapEncoding matcap matcapEncoding envMap envMapMode envMapEncoding envMapCubeUV lightMap lightMapEncoding aoMap emissiveMap emissiveMapEncoding bumpMap normalMap objectSpaceNormalMap tangentSpaceNormalMap clearcoatMap clearcoatRoughnessMap clearcoatNormalMap displacementMap specularMap roughnessMap metalnessMap gradientMap alphaMap combine vertexColors vertexTangents vertexUvs uvsVertexOnly fog useFog fogExp2 flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights numRectAreaLights numDirLightShadows numPointLightShadows numSpotLightShadows shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes numClipIntersection depthPacking dithering sheen".split(" ");
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+"( value )"];case 3004:return["RGBM","( value, 7.0 )"];case 3005:return["RGBM","( value, 16.0 )"];case 3006:return["RGBD","( value, 256.0 )"];case 3007:return["Gamma","( value, float( GAMMA_FACTOR ) )"];case 3003:return["LogLuv","( value )"];default:return console.warn("THREE.WebGLProgram: Unsupported encoding:",a),["Linear","( value )"]}}function Jh(a,b,c){var d=a.getShaderParameter(b,35713),e=a.getShaderInfoLog(b).trim();if(d&&""===e)return"";a=a.getShaderSource(b).split("\n");for(b=0;b<a.length;b++)a[b]=
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+b+1+": "+a[b];a=a.join("\n");return"THREE.WebGLShader: gl.getShaderInfoLog() "+c+"\n"+e+a}function Gd(a,b){b=Ih(b);return"vec4 "+a+"( vec4 value ) { return "+b[0]+"ToLinear"+b[1]+"; }"}function ek(a,b){b=Ih(b);return"vec4 "+a+"( vec4 value ) { return LinearTo"+b[0]+b[1]+"; }"}function fk(a,b){switch(b){case 1:b="Linear";break;case 2:b="Reinhard";break;case 3:b="OptimizedCineon";break;case 4:b="ACESFilmic";break;default:console.warn("THREE.WebGLProgram: Unsupported toneMapping:",b),b="Linear"}return"vec3 "+
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+a+"( vec3 color ) { return "+b+"ToneMapping( color ); }"}function gk(a){var b=[],c;for(c in a){var d=a[c];!1!==d&&b.push("#define "+c+" "+d)}return b.join("\n")}function Hd(a){return""!==a}function Kh(a,b){return a.replace(/NUM_DIR_LIGHTS/g,b.numDirLights).replace(/NUM_SPOT_LIGHTS/g,b.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g,b.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,b.numPointLights).replace(/NUM_HEMI_LIGHTS/g,b.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g,b.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g,
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+b.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,b.numPointLightShadows)}function Lh(a,b){return a.replace(/NUM_CLIPPING_PLANES/g,b.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,b.numClippingPlanes-b.numClipIntersection)}function hg(a,b){a=Q[b];if(void 0===a)throw Error("Can not resolve #include <"+b+">");return a.replace(ig,hg)}function Mh(a,b,c,d){console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.");return jg(a,
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+b,c,d)}function jg(a,b,c,d){a="";for(b=parseInt(b);b<parseInt(c);b++)a+=d.replace(/\[ i \]/g,"[ "+b+" ]").replace(/UNROLLED_LOOP_INDEX/g,b);return a}function Nh(a){var b="precision "+a.precision+" float;\nprecision "+a.precision+" int;";"highp"===a.precision?b+="\n#define HIGH_PRECISION":"mediump"===a.precision?b+="\n#define MEDIUM_PRECISION":"lowp"===a.precision&&(b+="\n#define LOW_PRECISION");return b}function hk(a){var b="SHADOWMAP_TYPE_BASIC";1===a.shadowMapType?b="SHADOWMAP_TYPE_PCF":2===a.shadowMapType?
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+b="SHADOWMAP_TYPE_PCF_SOFT":3===a.shadowMapType&&(b="SHADOWMAP_TYPE_VSM");return b}function ik(a){var b="ENVMAP_TYPE_CUBE";if(a.envMap)switch(a.envMapMode){case 301:case 302:b="ENVMAP_TYPE_CUBE";break;case 306:case 307:b="ENVMAP_TYPE_CUBE_UV";break;case 303:case 304:b="ENVMAP_TYPE_EQUIREC"}return b}function jk(a){var b="ENVMAP_MODE_REFLECTION";if(a.envMap)switch(a.envMapMode){case 302:case 304:b="ENVMAP_MODE_REFRACTION"}return b}function kk(a){var b="ENVMAP_BLENDING_NONE";if(a.envMap)switch(a.combine){case 0:b=
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+"ENVMAP_BLENDING_MULTIPLY";break;case 1:b="ENVMAP_BLENDING_MIX";break;case 2:b="ENVMAP_BLENDING_ADD"}return b}function lk(a,b,c){var d=a.getContext(),e=c.defines,f=c.vertexShader,g=c.fragmentShader,h=hk(c),l=ik(c),m=jk(c),t=kk(c),p=0<a.gammaFactor?a.gammaFactor:1,k=c.isWebGL2?"":[c.extensionDerivatives||c.envMapCubeUV||c.bumpMap||c.tangentSpaceNormalMap||c.clearcoatNormalMap||c.flatShading||"physical"===c.shaderID?"#extension GL_OES_standard_derivatives : enable":"",(c.extensionFragDepth||c.logarithmicDepthBuffer)&&
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+c.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":"",c.extensionDrawBuffers&&c.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(c.extensionShaderTextureLOD||c.envMap)&&c.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(Hd).join("\n"),q=gk(e),r=d.createProgram();c.isRawShaderMaterial?(e=[q].filter(Hd).join("\n"),0<e.length&&(e+="\n"),h=[k,q].filter(Hd).join("\n"),0<h.length&&(h+="\n")):(e=[Nh(c),"#define SHADER_NAME "+
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+c.shaderName,q,c.instancing?"#define USE_INSTANCING":"",c.supportsVertexTextures?"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+p,"#define MAX_BONES "+c.maxBones,c.useFog&&c.fog?"#define USE_FOG":"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+m:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":
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+"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",c.normalMap&&c.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",c.displacementMap&&c.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":
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|
+"",c.alphaMap?"#define USE_ALPHAMAP":"",c.vertexTangents?"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",c.flatShading?"#define FLAT_SHADED":"",c.skinning?"#define USE_SKINNING":"",c.useVertexTexture?"#define BONE_TEXTURE":"",c.morphTargets?"#define USE_MORPHTARGETS":"",c.morphNormals&&!1===c.flatShading?"#define USE_MORPHNORMALS":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":
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|
+"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?"#define "+h:"",c.sizeAttenuation?"#define USE_SIZEATTENUATION":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&c.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef USE_INSTANCING",
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+" attribute mat4 instanceMatrix;","#endif","attribute vec3 position;","attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_TANGENT","\tattribute vec4 tangent;","#endif","#ifdef USE_COLOR","\tattribute vec3 color;","#endif","#ifdef USE_MORPHTARGETS","\tattribute vec3 morphTarget0;","\tattribute vec3 morphTarget1;","\tattribute vec3 morphTarget2;","\tattribute vec3 morphTarget3;","\t#ifdef USE_MORPHNORMALS","\t\tattribute vec3 morphNormal0;","\t\tattribute vec3 morphNormal1;","\t\tattribute vec3 morphNormal2;",
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+"\t\tattribute vec3 morphNormal3;","\t#else","\t\tattribute vec3 morphTarget4;","\t\tattribute vec3 morphTarget5;","\t\tattribute vec3 morphTarget6;","\t\tattribute vec3 morphTarget7;","\t#endif","#endif","#ifdef USE_SKINNING","\tattribute vec4 skinIndex;","\tattribute vec4 skinWeight;","#endif","\n"].filter(Hd).join("\n"),h=[k,Nh(c),"#define SHADER_NAME "+c.shaderName,q,c.alphaTest?"#define ALPHATEST "+c.alphaTest+(c.alphaTest%1?"":".0"):"","#define GAMMA_FACTOR "+p,c.useFog&&c.fog?"#define USE_FOG":
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+"",c.useFog&&c.fogExp2?"#define FOG_EXP2":"",c.map?"#define USE_MAP":"",c.matcap?"#define USE_MATCAP":"",c.envMap?"#define USE_ENVMAP":"",c.envMap?"#define "+l:"",c.envMap?"#define "+m:"",c.envMap?"#define "+t:"",c.lightMap?"#define USE_LIGHTMAP":"",c.aoMap?"#define USE_AOMAP":"",c.emissiveMap?"#define USE_EMISSIVEMAP":"",c.bumpMap?"#define USE_BUMPMAP":"",c.normalMap?"#define USE_NORMALMAP":"",c.normalMap&&c.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",c.normalMap&&c.tangentSpaceNormalMap?
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+"#define TANGENTSPACE_NORMALMAP":"",c.clearcoatMap?"#define USE_CLEARCOATMAP":"",c.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",c.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",c.specularMap?"#define USE_SPECULARMAP":"",c.roughnessMap?"#define USE_ROUGHNESSMAP":"",c.metalnessMap?"#define USE_METALNESSMAP":"",c.alphaMap?"#define USE_ALPHAMAP":"",c.sheen?"#define USE_SHEEN":"",c.vertexTangents?"#define USE_TANGENT":"",c.vertexColors?"#define USE_COLOR":"",c.vertexUvs?"#define USE_UV":
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+"",c.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",c.gradientMap?"#define USE_GRADIENTMAP":"",c.flatShading?"#define FLAT_SHADED":"",c.doubleSided?"#define DOUBLE_SIDED":"",c.flipSided?"#define FLIP_SIDED":"",c.shadowMapEnabled?"#define USE_SHADOWMAP":"",c.shadowMapEnabled?"#define "+h:"",c.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",c.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",c.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",c.logarithmicDepthBuffer&&c.rendererExtensionFragDepth?
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+"#define USE_LOGDEPTHBUF_EXT":"",(c.extensionShaderTextureLOD||c.envMap)&&c.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",0!==c.toneMapping?"#define TONE_MAPPING":"",0!==c.toneMapping?Q.tonemapping_pars_fragment:"",0!==c.toneMapping?fk("toneMapping",c.toneMapping):"",c.dithering?"#define DITHERING":"",c.outputEncoding||c.mapEncoding||c.matcapEncoding||c.envMapEncoding||c.emissiveMapEncoding||
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+c.lightMapEncoding?Q.encodings_pars_fragment:"",c.mapEncoding?Gd("mapTexelToLinear",c.mapEncoding):"",c.matcapEncoding?Gd("matcapTexelToLinear",c.matcapEncoding):"",c.envMapEncoding?Gd("envMapTexelToLinear",c.envMapEncoding):"",c.emissiveMapEncoding?Gd("emissiveMapTexelToLinear",c.emissiveMapEncoding):"",c.lightMapEncoding?Gd("lightMapTexelToLinear",c.lightMapEncoding):"",c.outputEncoding?ek("linearToOutputTexel",c.outputEncoding):"",c.depthPacking?"#define DEPTH_PACKING "+c.depthPacking:"","\n"].filter(Hd).join("\n"));
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+f=f.replace(ig,hg);f=Kh(f,c);f=Lh(f,c);g=g.replace(ig,hg);g=Kh(g,c);g=Lh(g,c);f=f.replace(Oh,jg).replace(Ph,Mh);g=g.replace(Oh,jg).replace(Ph,Mh);c.isWebGL2&&!c.isRawShaderMaterial&&(l=!1,m=/^\s*#version\s+300\s+es\s*\n/,c.isShaderMaterial&&null!==f.match(m)&&null!==g.match(m)&&(l=!0,f=f.replace(m,""),g=g.replace(m,"")),e="#version 300 es\n\n#define attribute in\n#define varying out\n#define texture2D texture\n"+e,h=["#version 300 es\n\n#define varying in",l?"":"out highp vec4 pc_fragColor;",l?"":
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+"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth\n#define texture2D texture\n#define textureCube texture\n#define texture2DProj textureProj\n#define texture2DLodEXT textureLod\n#define texture2DProjLodEXT textureProjLod\n#define textureCubeLodEXT textureLod\n#define texture2DGradEXT textureGrad\n#define texture2DProjGradEXT textureProjGrad\n#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+h);g=h+g;f=Hh(d,35633,e+f);g=Hh(d,35632,g);d.attachShader(r,f);d.attachShader(r,
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+g);void 0!==c.index0AttributeName?d.bindAttribLocation(r,0,c.index0AttributeName):!0===c.morphTargets&&d.bindAttribLocation(r,0,"position");d.linkProgram(r);if(a.debug.checkShaderErrors){a=d.getProgramInfoLog(r).trim();l=d.getShaderInfoLog(f).trim();m=d.getShaderInfoLog(g).trim();p=t=!0;if(!1===d.getProgramParameter(r,35714))t=!1,k=Jh(d,f,"vertex"),q=Jh(d,g,"fragment"),console.error("THREE.WebGLProgram: shader error: ",d.getError(),"35715",d.getProgramParameter(r,35715),"gl.getProgramInfoLog",a,k,
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+q);else if(""!==a)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",a);else if(""===l||""===m)p=!1;p&&(this.diagnostics={runnable:t,programLog:a,vertexShader:{log:l,prefix:e},fragmentShader:{log:m,prefix:h}})}d.deleteShader(f);d.deleteShader(g);var v;this.getUniforms=function(){void 0===v&&(v=new Eb(d,r));return v};var n;this.getAttributes=function(){if(void 0===n){for(var a={},b=d.getProgramParameter(r,35721),c=0;c<b;c++){var e=d.getActiveAttrib(r,c).name;a[e]=d.getAttribLocation(r,e)}n=
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+a}return n};this.destroy=function(){d.deleteProgram(r);this.program=void 0};this.name=c.shaderName;this.id=mk++;this.cacheKey=b;this.usedTimes=1;this.program=r;this.vertexShader=f;this.fragmentShader=g;return this}function nk(a,b,c){function d(a){if(a)a.isTexture?b=a.encoding:a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),b=a.texture.encoding);else var b=3E3;return b}var e=[],f=c.isWebGL2,
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+g=c.logarithmicDepthBuffer,h=c.floatVertexTextures,l=c.maxVertexUniforms,m=c.vertexTextures,t=c.precision,p={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},
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+k="precision isWebGL2 supportsVertexTextures outputEncoding instancing map mapEncoding matcap matcapEncoding envMap envMapMode envMapEncoding envMapCubeUV lightMap lightMapEncoding aoMap emissiveMap emissiveMapEncoding bumpMap normalMap objectSpaceNormalMap tangentSpaceNormalMap clearcoatMap clearcoatRoughnessMap clearcoatNormalMap displacementMap specularMap roughnessMap metalnessMap gradientMap alphaMap combine vertexColors vertexTangents vertexUvs uvsVertexOnly fog useFog fogExp2 flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights numRectAreaLights numDirLightShadows numPointLightShadows numSpotLightShadows shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes numClipIntersection depthPacking dithering sheen".split(" ");
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return{getParameters:function(e,k,u,n,z,x,Ba){var q=n.fog;n=e.isMeshStandardMaterial?n.environment:null;n=e.envMap||n;var r=p[e.type];if(Ba.isSkinnedMesh){var v=Ba.skeleton.bones;if(h)v=1024;else{var A=Math.min(Math.floor((l-20)/4),v.length);A<v.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+v.length+" bones. This GPU supports "+A+"."),v=0):v=A}}else v=0;null!==e.precision&&(t=c.getMaxPrecision(e.precision),t!==e.precision&&console.warn("THREE.WebGLProgram.getParameters:",e.precision,"not supported, using",
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t,"instead."));r?(A=fb[r],A={name:e.name||e.type,uniforms:Qh.clone(A.uniforms),vertexShader:A.vertexShader,fragmentShader:A.fragmentShader}):A={name:e.name||e.type,uniforms:e.uniforms,vertexShader:e.vertexShader,fragmentShader:e.fragmentShader};e.onBeforeCompile(A,a);var w=a.getRenderTarget();return{isWebGL2:f,shaderID:r,shaderName:A.name,uniforms:A.uniforms,vertexShader:A.vertexShader,fragmentShader:A.fragmentShader,defines:e.defines,isRawShaderMaterial:e.isRawShaderMaterial,isShaderMaterial:e.isShaderMaterial,
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precision:t,instancing:!0===Ba.isInstancedMesh,supportsVertexTextures:m,outputEncoding:null!==w?d(w.texture):a.outputEncoding,map:!!e.map,mapEncoding:d(e.map),matcap:!!e.matcap,matcapEncoding:d(e.matcap),envMap:!!n,envMapMode:n&&n.mapping,envMapEncoding:d(n),envMapCubeUV:!!n&&(306===n.mapping||307===n.mapping),lightMap:!!e.lightMap,lightMapEncoding:d(e.lightMap),aoMap:!!e.aoMap,emissiveMap:!!e.emissiveMap,emissiveMapEncoding:d(e.emissiveMap),bumpMap:!!e.bumpMap,normalMap:!!e.normalMap,objectSpaceNormalMap:1===
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Mr.doob