text: import { Vector2 } from '../../.././build/three.module.js';
  
  import { Vector2Node } from '../inputs/Vector2Node.js';
  
  function ResolutionNode() {
  
  	Vector2Node.call( this );
  
  	this.size = new Vector2();
  
  }
  
  ResolutionNode.prototype = Object.create( Vector2Node.prototype );
  ResolutionNode.prototype.constructor = ResolutionNode;
  ResolutionNode.prototype.nodeType = 'Resolution';
  
  ResolutionNode.prototype.updateFrame = function ( frame ) {
  
  	if ( frame.renderer ) {
  
  		frame.renderer.getSize( this.size );
  
  		var pixelRatio = frame.renderer.getPixelRatio();
  
  		this.x = this.size.width * pixelRatio;
  		this.y = this.size.height * pixelRatio;
  
  	} else {
  
  		console.warn( 'ResolutionNode need a renderer in NodeFrame' );
  
  	}
  
  };
  
  ResolutionNode.prototype.copy = function ( source ) {
  
  	Vector2Node.prototype.copy.call( this, source );
  
  	this.renderer = source.renderer;
  
  	return this;
  
  };
  
  ResolutionNode.prototype.toJSON = function ( meta ) {
  
  	var data = this.getJSONNode( meta );
  
  	if ( ! data ) {
  
  		data = this.createJSONNode( meta );
  
  		data.renderer = this.renderer.uuid;
  
  	}
  
  	return data;
  
  };
  
  export { ResolutionNode };
  