sformedNormal = normalMatrix * transformedNormal;

#ifdef FLIP_SIDED

	transformedNormal = - transformedNormal;

#endif

#ifdef USE_TANGENT

	vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;

	#ifdef FLIP_SIDED

		transformedTangent = - transformedTangent;

	#endif

#endif