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/** * @license * Copyright 2010-2023 Three.js Authors * SPDX-License-Identifier: MIT */ const REVISION = '161'; const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; const CullFaceNone = 0; const CullFaceBack = 1; const CullFaceFront = 2; const CullFaceFrontBack = 3; const BasicShadowMap = 0; const PCFShadowMap = 1; const PCFSoftShadowMap = 2; const VSMShadowMap = 3; const FrontSide = 0; const BackSide = 1; const DoubleSide = 2; const NoBlending = 0; const NormalBlending = 1; const AdditiveBlending = 2; const SubtractiveBlending = 3; const MultiplyBlending = 4; const CustomBlending = 5; const AddEquation = 100; const SubtractEquation = 101; const ReverseSubtractEquation = 102; const MinEquation = 103; const MaxEquation = 104; const ZeroFactor = 200; const OneFactor = 201; const SrcColorFactor = 202; const OneMinusSrcColorFactor = 203; const SrcAlphaFactor = 204; const OneMinusSrcAlphaFactor = 205; const DstAlphaFactor = 206; const OneMinusDstAlphaFactor = 207; const DstColorFactor = 208; const OneMinusDstColorFactor = 209; const SrcAlphaSaturateFactor = 210; const ConstantColorFactor = 211; const OneMinusConstantColorFactor = 212; const ConstantAlphaFactor = 213; const OneMinusConstantAlphaFactor = 214; const NeverDepth = 0; const AlwaysDepth = 1; const LessDepth = 2; const LessEqualDepth = 3; const EqualDepth = 4; const GreaterEqualDepth = 5; const GreaterDepth = 6; const NotEqualDepth = 7; const MultiplyOperation = 0; const MixOperation = 1; const AddOperation = 2; const NoToneMapping = 0; const LinearToneMapping = 1; const ReinhardToneMapping = 2; const CineonToneMapping = 3; const ACESFilmicToneMapping = 4; const CustomToneMapping = 5; const AgXToneMapping = 6; const AttachedBindMode = 'attached'; const DetachedBindMode = 'detached'; const UVMapping = 300; const CubeReflectionMapping = 301; const CubeRefractionMapping = 302; const EquirectangularReflectionMapping = 303; const EquirectangularRefractionMapping = 304; const CubeUVReflectionMapping = 306; const RepeatWrapping = 1000; const ClampToEdgeWrapping = 1001; const MirroredRepeatWrapping = 1002; const NearestFilter = 1003; const NearestMipmapNearestFilter = 1004; const NearestMipMapNearestFilter = 1004; const NearestMipmapLinearFilter = 1005; const NearestMipMapLinearFilter = 1005; const LinearFilter = 1006; const LinearMipmapNearestFilter = 1007; const LinearMipMapNearestFilter = 1007; const LinearMipmapLinearFilter = 1008; const LinearMipMapLinearFilter = 1008; const UnsignedByteType = 1009; const ByteType = 1010; const ShortType = 1011; const UnsignedShortType = 1012; const IntType = 1013; const UnsignedIntType = 1014; const FloatType = 1015; const HalfFloatType = 1016; const UnsignedShort4444Type = 1017; const UnsignedShort5551Type = 1018; const UnsignedInt248Type = 1020; const AlphaFormat = 1021; const RGBAFormat = 1023; const LuminanceFormat = 1024; const LuminanceAlphaFormat = 1025; const DepthFormat = 1026; const DepthStencilFormat = 1027; const RedFormat = 1028; const RedIntegerFormat = 1029; const RGFormat = 1030; const RGIntegerFormat = 1031; const RGBAIntegerFormat = 1033; const RGB_S3TC_DXT1_Format = 33776; const RGBA_S3TC_DXT1_Format = 33777; const RGBA_S3TC_DXT3_Format = 33778; const RGBA_S3TC_DXT5_Format = 33779; const RGB_PVRTC_4BPPV1_Format = 35840; const RGB_PVRTC_2BPPV1_Format = 35841; const RGBA_PVRTC_4BPPV1_Format = 35842; const RGBA_PVRTC_2BPPV1_Format = 35843; const RGB_ETC1_Format = 36196; const RGB_ETC2_Format = 37492; const RGBA_ETC2_EAC_Format = 37496; const RGBA_ASTC_4x4_Format = 37808; const RGBA_ASTC_5x4_Format = 37809; const RGBA_ASTC_5x5_Format = 37810; const RGBA_ASTC_6x5_Format = 37811; const RGBA_ASTC_6x6_Format = 37812; const RGBA_ASTC_8x5_Format = 37813; const RGBA_ASTC_8x6_Format = 37814; const RGBA_ASTC_8x8_Format = 37815; const RGBA_ASTC_10x5_Format = 37816; const RGBA_ASTC_10x6_Format = 37817; const RGBA_ASTC_10x8_Format = 37818; const RGBA_ASTC_10x10_Format = 37819; const RGBA_ASTC_12x10_Format = 37820; const RGBA_ASTC_12x12_Format = 37821; const RGBA_BPTC_Format = 36492; const RGB_BPTC_SIGNED_Format = 36494; const RGB_BPTC_UNSIGNED_Format = 36495; const RED_RGTC1_Format = 36283; const SIGNED_RED_RGTC1_Format = 36284; const RED_GREEN_RGTC2_Format = 36285; const SIGNED_RED_GREEN_RGTC2_Format = 36286; const LoopOnce = 2200; const LoopRepeat = 2201; const LoopPingPong = 2202; const InterpolateDiscrete = 2300; const InterpolateLinear = 2301; const InterpolateSmooth = 2302; const ZeroCurvatureEnding = 2400; const ZeroSlopeEnding = 2401; const WrapAroundEnding = 2402; const NormalAnimationBlendMode = 2500; const AdditiveAnimationBlendMode = 2501; const TrianglesDrawMode = 0; const TriangleStripDrawMode = 1; const TriangleFanDrawMode = 2; /** @deprecated Use LinearSRGBColorSpace or NoColorSpace in three.js r152+. */ const LinearEncoding = 3000; /** @deprecated Use SRGBColorSpace in three.js r152+. */ const sRGBEncoding = 3001; const BasicDepthPacking = 3200; const RGBADepthPacking = 3201; const TangentSpaceNormalMap = 0; const ObjectSpaceNormalMap = 1; // Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available. const NoColorSpace = ''; const SRGBColorSpace = 'srgb'; const LinearSRGBColorSpace = 'srgb-linear'; const DisplayP3ColorSpace = 'display-p3'; const LinearDisplayP3ColorSpace = 'display-p3-linear'; const LinearTransfer = 'linear'; const SRGBTransfer = 'srgb'; const Rec709Primaries = 'rec709'; const P3Primaries = 'p3'; const ZeroStencilOp = 0; const KeepStencilOp = 7680; const ReplaceStencilOp = 7681; const IncrementStencilOp = 7682; const DecrementStencilOp = 7683; const IncrementWrapStencilOp = 34055; const DecrementWrapStencilOp = 34056; const InvertStencilOp = 5386; const NeverStencilFunc = 512; const LessStencilFunc = 513; const EqualStencilFunc = 514; const LessEqualStencilFunc = 515; const GreaterStencilFunc = 516; const NotEqualStencilFunc = 517; const GreaterEqualStencilFunc = 518; const AlwaysStencilFunc = 519; const NeverCompare = 512; const LessCompare = 513; const EqualCompare = 514; const LessEqualCompare = 515; const GreaterCompare = 516; const NotEqualCompare = 517; const GreaterEqualCompare = 518; const AlwaysCompare = 519; const StaticDrawUsage = 35044; const DynamicDrawUsage = 35048; const StreamDrawUsage = 35040; const StaticReadUsage = 35045; const DynamicReadUsage = 35049; const StreamReadUsage = 35041; const StaticCopyUsage = 35046; const DynamicCopyUsage = 35050; const StreamCopyUsage = 35042; const GLSL1 = '100'; const GLSL3 = '300 es'; const _SRGBAFormat = 1035; // fallback for WebGL 1 const WebGLCoordinateSystem = 2000; const WebGPUCoordinateSystem = 2001; /** * https://github.com/mrdoob/eventdispatcher.js/ */ class EventDispatcher { addEventListener( type, listener ) { if ( this._listeners === undefined ) this._listeners = {}; const listeners = this._listeners; if ( listeners[ type ] === undefined ) { listeners[ type ] = []; } if ( listeners[ type ].indexOf( listener ) === - 1 ) { listeners[ type ].push( listener ); } } hasEventListener( type, listener ) { if ( this._listeners === undefined ) return false; const listeners = this._listeners; return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1; } removeEventListener( type, listener ) { if ( this._listeners === undefined ) return; const listeners = this._listeners; const listenerArray = listeners[ type ]; if ( listenerArray !== undefined ) { const index = listenerArray.indexOf( listener ); if ( index !== - 1 ) { listenerArray.splice( index, 1 ); } } } dispatchEvent( event ) { if ( this._listeners === undefined ) return; const listeners = this._listeners; const listenerArray = listeners[ event.type ]; if ( listenerArray !== undefined ) { event.target = this; // Make a copy, in case listeners a