Changed ambient term to influence also texture in Phong / normal map materials.

This feels more intuitive, otherwise ambiently lit textured surfaces look weird.

src/extras/ShaderUtils.js

@@ -280,7 +280,7 @@ THREE.ShaderUtils = {
 
 					"#endif",
 
-					"gl_FragColor.xyz = gl_FragColor.xyz * totalDiffuse + totalSpecular + ambientLightColor * uAmbientColor;",
+					"gl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * uAmbientColor) + totalSpecular;",
 
 					"if ( enableReflection ) {",
 

src/renderers/WebGLShaders.js

@@ -439,7 +439,7 @@ THREE.ShaderChunk = {
 
 		"#endif",
 
-		"gl_FragColor.xyz = gl_FragColor.xyz * totalDiffuse + totalSpecular + ambientLightColor * ambient;"
+		"gl_FragColor.xyz = gl_FragColor.xyz * ( totalDiffuse + ambientLightColor * ambient ) + totalSpecular;"
 
 	].join("\n"),