text: export default /* glsl */`
  #if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )
  
  	vec4 worldPosition = vec4( transformed, 1.0 );
  
  	#ifdef USE_INSTANCING
  
  		worldPosition = instanceMatrix * worldPosition;
  
  	#endif
  
  	worldPosition = modelMatrix * worldPosition;
  
  #endif
  `;
  