text: import { Vector2 } from 'three';
  
  import { InputNode } from '../core/InputNode.js';
  import { NodeUtils } from '../core/NodeUtils.js';
  
  function Vector2Node( x, y ) {
  
  	InputNode.call( this, 'v2' );
  
  	this.value = x instanceof Vector2 ? x : new Vector2( x, y );
  
  }
  
  Vector2Node.prototype = Object.create( InputNode.prototype );
  Vector2Node.prototype.constructor = Vector2Node;
  Vector2Node.prototype.nodeType = 'Vector2';
  
  NodeUtils.addShortcuts( Vector2Node.prototype, 'value', [ 'x', 'y' ] );
  
  Vector2Node.prototype.generateReadonly = function ( builder, output, uuid, type/*, ns, needsUpdate*/ ) {
  
  	return builder.format( 'vec2( ' + this.x + ', ' + this.y + ' )', type, output );
  
  };
  
  Vector2Node.prototype.copy = function ( source ) {
  
  	InputNode.prototype.copy.call( this, source );
  
  	this.value.copy( source );
  
  	return this;
  
  };
  
  Vector2Node.prototype.toJSON = function ( meta ) {
  
  	var data = this.getJSONNode( meta );
  
  	if ( ! data ) {
  
  		data = this.createJSONNode( meta );
  
  		data.x = this.x;
  		data.y = this.y;
  
  		if ( this.readonly === true ) data.readonly = true;
  
  	}
  
  	return data;
  
  };
  
  export { Vector2Node };
  