import{S as e}from"./Viewer-DVCEMRp5.js";const r="morphTargetsVertexGlobalDeclaration",t="#ifdef MORPHTARGETS\nuniform float morphTargetInfluences[NUM_MORPH_INFLUENCERS];\n#ifdef MORPHTARGETS_TEXTURE \nuniform float morphTargetTextureIndices[NUM_MORPH_INFLUENCERS];uniform vec3 morphTargetTextureInfo;uniform highp sampler2DArray morphTargets;vec3 readVector3FromRawSampler(int targetIndex,float vertexIndex)\n{ \nfloat y=floor(vertexIndex/morphTargetTextureInfo.y);float x=vertexIndex-y*morphTargetTextureInfo.y;vec3 textureUV=vec3((x+0.5)/morphTargetTextureInfo.y,(y+0.5)/morphTargetTextureInfo.z,morphTargetTextureIndices[targetIndex]);return texture(morphTargets,textureUV).xyz;}\n#endif\n#endif\n";e.IncludesShadersStore[r]=t;const n="morphTargetsVertexDeclaration",a="#ifdef MORPHTARGETS\n#ifndef MORPHTARGETS_TEXTURE\nattribute vec3 position{X};\n#ifdef MORPHTARGETS_NORMAL\nattribute vec3 normal{X};\n#endif\n#ifdef MORPHTARGETS_TANGENT\nattribute vec3 tangent{X};\n#endif\n#ifdef MORPHTARGETS_UV\nattribute vec2 uv_{X};\n#endif\n#elif {X}==0\nuniform int morphTargetCount;\n#endif\n#endif\n";e.IncludesShadersStore[n]=a;const o="morphTargetsVertexGlobal",f="#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE\nfloat vertexID;\n#endif\n#endif\n";e.IncludesShadersStore[o]=f;const T="morphTargetsVertex",i="#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE\n#if {X}==0\nfor (int i=0; i<NUM_MORPH_INFLUENCERS; i++) {if (i>=morphTargetCount) break;vertexID=float(gl_VertexID)*morphTargetTextureInfo.x;positionUpdated+=(readVector3FromRawSampler(i,vertexID)-position)*morphTargetInfluences[i];vertexID+=1.0;\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated+=(readVector3FromRawSampler(i,vertexID) -normal)*morphTargetInfluences[i];vertexID+=1.0;\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated+=(readVector3FromRawSampler(i,vertexID).xy-uv)*morphTargetInfluences[i];vertexID+=1.0;\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz+=(readVector3FromRawSampler(i,vertexID) -tangent.xyz)*morphTargetInfluences[i];\n#endif\n}\n#endif\n#else\npositionUpdated+=(position{X}-position)*morphTargetInfluences[{X}];\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated+=(normal{X}-normal)*morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz+=(tangent{X}-tangent.xyz)*morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated+=(uv_{X}-uv)*morphTargetInfluences[{X}];\n#endif\n#endif\n#endif\n";e.IncludesShadersStore[T]=i;
