text: /**
   * @author sunag / http://www.sunag.com.br/
   */
  
  import { TempNode } from '../core/TempNode.js';
  
  function LightNode( scope ) {
  
  	TempNode.call( this, 'v3', { shared: false } );
  
  	this.scope = scope || LightNode.TOTAL;
  
  }
  
  LightNode.TOTAL = 'total';
  
  LightNode.prototype = Object.create( TempNode.prototype );
  LightNode.prototype.constructor = LightNode;
  LightNode.prototype.nodeType = "Light";
  
  LightNode.prototype.generate = function ( builder, output ) {
  
  	if ( builder.isCache( 'light' ) ) {
  
  		return builder.format( 'reflectedLight.directDiffuse', this.type, output );
  
  	} else {
  
  		console.warn( "THREE.LightNode is only compatible in \"light\" channel." );
  
  		return builder.format( 'vec3( 0.0 )', this.type, output );
  
  	}
  
  };
  
  LightNode.prototype.copy = function ( source ) {
  
  	TempNode.prototype.copy.call( this, source );
  
  	this.scope = source.scope;
  
  };
  
  LightNode.prototype.toJSON = function ( meta ) {
  
  	var data = this.getJSONNode( meta );
  
  	if ( ! data ) {
  
  		data = this.createJSONNode( meta );
  
  		data.scope = this.scope;
  
  	}
  
  	return data;
  
  };
  
  export { LightNode };
  