i ++ ) { if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; } #endif`,j0=`#ifdef USE_MORPHTARGETS #ifndef USE_INSTANCING_MORPH uniform float morphTargetBaseInfluence; uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; #endif uniform sampler2DArray morphTargetsTexture; uniform ivec2 morphTargetsTextureSize; vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; int y = texelIndex / morphTargetsTextureSize.x; int x = texelIndex - y * morphTargetsTextureSize.x; ivec3 morphUV = ivec3( x, y, morphTargetIndex ); return texelFetch( morphTargetsTexture, morphUV, 0 ); } #endif`,Q0=`#ifdef USE_MORPHTARGETS transformed *= morphTargetBaseInfluence; for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ]; } #endif`,eg=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; #ifdef FLAT_SHADED vec3 fdx = dFdx( vViewPosition ); vec3 fdy = dFdy( vViewPosition ); vec3 normal = normalize( cross( fdx, fdy ) ); #else vec3 normal = normalize( vNormal ); #ifdef DOUBLE_SIDED normal *= faceDirection; #endif #endif #if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) #ifdef USE_TANGENT mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); #else mat3 tbn = getTangentFrame( - vViewPosition, normal, #if defined( USE_NORMALMAP ) vNormalMapUv #elif defined( USE_CLEARCOAT_NORMALMAP ) vClearcoatNormalMapUv #else vUv #endif ); #endif #ifdef DOUBLE_SIDED tbn[0] *= faceDirection; tbn[1] *= faceDirection; #endif #endif #ifdef USE_CLEARCOAT_NORMALMAP #ifdef USE_TANGENT mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); #else mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv ); #endif #ifdef DOUBLE_SIDED tbn2[0] *= faceDirection; tbn2[1] *= faceDirection; #endif #endif vec3 nonPerturbedNormal = normal;`,tg=`#ifdef USE_NORMALMAP_OBJECTSPACE normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; #ifdef FLIP_SIDED normal = - normal; #endif #ifdef DOUBLE_SIDED normal = normal * faceDirection; #endif normal = normalize( normalMatrix * normal ); #elif defined( USE_NORMALMAP_TANGENTSPACE ) vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; #if defined( USE_PACKED_NORMALMAP ) mapN = vec3( mapN.xy, sqrt( saturate( 1.0 - dot( mapN.xy, mapN.xy ) ) ) ); #endif mapN.xy *= normalScale; normal = normalize( tbn * mapN ); #elif defined( USE_BUMPMAP ) normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection ); #endif`,ng=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif #endif`,ig=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif #endif`,sg=`#ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #ifdef USE_TANGENT vTangent = normalize( transformedTangent ); vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w ); #ifdef FLIP_SIDED vBitangent = - vBitangent; #endif #endif #endif`,rg=`#ifdef USE_NORMALMAP uniform sampler2D normalMap; uniform vec2 normalScale; #endif #ifdef USE_NORMALMAP_OBJECTSPACE uniform mat3 normalMatrix; #endif #if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) ) mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) { vec3 q0 = dFdx( eye_pos.xyz ); vec3 q1 = dFdy( eye_pos.xyz ); vec2 st0 = dFdx( uv.st ); vec2 st1 = dFdy( uv.st ); vec3 N = surf_norm; vec3 q1perp = cross( q1, N ); vec3 q0perp = cross( N, q0 ); vec3 T = q1perp * st0.x + q0perp * st1.x; vec3 B = q1perp * st0.y + q0perp * st1.y; float det = max( dot( T, T ), dot( B, B ) ); float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det ); return mat3( T * scale, B * scale, N ); } #endif`,ag=`#ifdef USE_CLEARCOAT vec3 clearcoatNormal = nonPerturbedNormal; #endif`,og=`#ifdef USE_CLEARCOAT_NORMALMAP vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0; clearcoatMapN.xy *= clearcoatNormalScale; clearcoatNormal = normalize( tbn2 * clearcoatMapN ); #endif`,lg=`#ifdef USE_CLEARCOATMAP uniform sampler2D clearcoatMap; #endif #ifdef USE_CLEARCOAT_NORMALMAP uniform sampler2D clearcoatNormalMap; uniform vec2 clearcoatNormalScale; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP uniform sampler2D clearcoatRoughnessMap; #endif`,cg=`#ifdef USE_IRIDESCENCEMAP uniform sampler2D iridescenceMap; #endif #ifdef USE_IRIDESCENCE_THICKNESSMAP uniform sampler2D iridescenceThicknessMap;