Updated builds.

build/three.module.js

@@ -12739,13 +12739,13 @@ var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetB
 
 var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#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 * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;";
 
-var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif";
+var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef FLIP_NORMAL_SCALE_Y\n\t\tmapN.y *= -1.0;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif";
 
 var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\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 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif";
 
 var clearcoat_normal_fragment_begin = "#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif";
 
-var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif";
+var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef FLIP_NORMAL_SCALE_Y\n\t\tclearcoatMapN.y *= -1.0;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif";
 
 var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif";
 
@@ -16912,6 +16912,7 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 			parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',
 			parameters.vertexUvs ? '#define USE_UV' : '',
 			parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',
+			parameters.flipNormalScaleY ? '#define FLIP_NORMAL_SCALE_Y' : '',
 
 			parameters.flatShading ? '#define FLAT_SHADED' : '',
 
@@ -17055,6 +17056,7 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 			parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',
 			parameters.vertexUvs ? '#define USE_UV' : '',
 			parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',
+			parameters.flipNormalScaleY ? '#define FLIP_NORMAL_SCALE_Y' : '',
 
 			parameters.gradientMap ? '#define USE_GRADIENTMAP' : '',
 
@@ -17327,7 +17329,7 @@ function WebGLPrograms( renderer, cubemaps, extensions, capabilities, bindingSta
 		'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', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',
+		'alphaMap', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'flipNormalScaleY', 'fog', 'useFog', 'fogExp2',
 		'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',
 		'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'premultipliedAlpha',
 		'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',
@@ -17497,11 +17499,12 @@ function WebGLPrograms( renderer, cubemaps, extensions, capabilities, bindingSta
 
 			combine: material.combine,
 
-			vertexTangents: ( material.normalMap && material.vertexTangents ),
+			vertexTangents: ( material.normalMap && object.geometry && object.geometry.attributes.tangent ),
 			vertexColors: material.vertexColors,
 			vertexAlphas: material.vertexColors === true && object.geometry && object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,
 			vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap,
 			uvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || !! material.transmission || !! material.transmissionMap || !! material.thicknessMap ) && !! material.displacementMap,
+			flipNormalScaleY: ( ( material.normalMap && material.normalMap.flipY === false || material.clearcoatNormalMap && material.clearcoatNormalMap.flipY === false ) && ! ( object.geometry && object.geometry.attributes.tangent ) ),
 
 			fog: !! fog,
 			useFog: material.fog,
@@ -27074,7 +27077,7 @@ class InstancedMesh extends Mesh {
 
 		if ( this.instanceColor === null ) {
 
-			this.instanceColor = new BufferAttribute( new Float32Array( this.count * 3 ), 3 );
+			this.instanceColor = new BufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );
 
 		}
 
@@ -33436,8 +33439,6 @@ class MeshStandardMaterial extends Material {
 
 		this.flatShading = false;
 
-		this.vertexTangents = false;
-
 		this.setValues( parameters );
 
 	}
@@ -33493,8 +33494,6 @@ class MeshStandardMaterial extends Material {
 
 		this.flatShading = source.flatShading;
 
-		this.vertexTangents = source.vertexTangents;
-
 		return this;
 
 	}
@@ -38716,8 +38715,6 @@ class MaterialLoader extends Loader {
 		if ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;
 		if ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;
 
-		if ( json.vertexTangents !== undefined ) material.vertexTangents = json.vertexTangents;
-
 		if ( json.visible !== undefined ) material.visible = json.visible;
 
 		if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;
@@ -48727,7 +48724,20 @@ Object.defineProperties( Material.prototype, {
 			this.stencilFuncMask = value;
 
 		}
-	}
+	},
+
+	vertexTangents: {
+		get: function () {
+
+			console.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );
+
+		},
+		set: function () {
+
+			console.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );
+
+		}
+	},
 
 } );