Fix note #3 of https://github.com/mrdoob/three.js/pull/5805#issuecomment-75610227

examples/js/ShaderSkin.js

@@ -269,7 +269,7 @@ THREE.ShaderSkin = {
 
 				"#endif",
 
-				"outgoingLight.xyz += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse ) + totalSpecularLight;",
+				"outgoingLight += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse ) + totalSpecularLight;",
 
 				THREE.ShaderChunk[ "shadowmap_fragment" ],
 				THREE.ShaderChunk[ "linear_to_gamma_fragment" ],
@@ -526,11 +526,11 @@ THREE.ShaderSkin = {
 
 					"#ifdef VERSION1",
 
-						"vec3 nonblurColor = sqrt(outgoingLight.xyz );",
+						"vec3 nonblurColor = sqrt(outgoingLight );",
 
 					"#else",
 
-						"vec3 nonblurColor = outgoingLight.xyz;",
+						"vec3 nonblurColor = outgoingLight;",
 
 					"#endif",
 

examples/js/shaders/NormalDisplacementShader.js

@@ -387,11 +387,11 @@ THREE.NormalDisplacementShader = {
 
 		"	#ifdef METAL",
 
-		"		outgoingLight.xyz += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse + totalSpecularLight );",
+		"		outgoingLight += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse + totalSpecularLight );",
 
 		"	#else",
 
-		"		outgoingLight.xyz += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse ) + totalSpecularLight;",
+		"		outgoingLight += diffuseColor.xyz * ( totalDiffuseLight + ambientLightColor * diffuse ) + totalSpecularLight;",
 
 		"	#endif",
 
@@ -417,7 +417,7 @@ THREE.NormalDisplacementShader = {
 
 		"		#endif",
 
-		"		outgoingLight.xyz = mix( outgoingLight.xyz, cubeColor.xyz, specularTex.r * reflectivity );",
+		"		outgoingLight = mix( outgoingLight.xyz, cubeColor.xyz, specularTex.r * reflectivity );",
 
 		"	}",
 

src/renderers/shaders/ShaderChunk/envmap_fragment.glsl

@@ -37,7 +37,7 @@
 		sampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );
 		sampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;
 		vec4 envColor = texture2D( envMap, sampleUV );
-		
+
 	#elif defined( ENVMAP_TYPE_SPHERE )
 		vec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));
 		vec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );
@@ -47,15 +47,15 @@
 
 	#ifdef ENVMAP_BLENDING_MULTIPLY
 
-		outgoingLight.xyz = mix( outgoingLight.xyz, outgoingLight.xyz * envColor.xyz, specularStrength * reflectivity );
+		outgoingLight = mix( outgoingLight, outgoingLight. * envColor.xyz, specularStrength * reflectivity );
 
 	#elif defined( ENVMAP_BLENDING_MIX )
 
-		outgoingLight.xyz = mix( outgoingLight.xyz, envColor.xyz, specularStrength * reflectivity );
+		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
 
 	#elif defined( ENVMAP_BLENDING_ADD )
 
-		outgoingLight.xyz += envColor.xyz * specularStrength * reflectivity;
+		outgoingLight += envColor.xyz * specularStrength * reflectivity;
 
 	#endif