text: import { Matrix3 } from '../../../../build/three.module.js';
  
  import { InputNode } from '../core/InputNode.js';
  
  function Matrix3Node( matrix ) {
  
  	InputNode.call( this, 'm3' );
  
  	this.value = matrix || new Matrix3();
  
  }
  
  Matrix3Node.prototype = Object.create( InputNode.prototype );
  Matrix3Node.prototype.constructor = Matrix3Node;
  Matrix3Node.prototype.nodeType = "Matrix3";
  
  Object.defineProperties( Matrix3Node.prototype, {
  
  	elements: {
  
  		set: function ( val ) {
  
  			this.value.elements = val;
  
  		},
  
  		get: function () {
  
  			return this.value.elements;
  
  		}
  
  	}
  
  } );
  
  Matrix3Node.prototype.generateReadonly = function ( builder, output, uuid, type/*, ns, needsUpdate */ ) {
  
  	return builder.format( "mat3( " + this.value.elements.join( ", " ) + " )", type, output );
  
  };
  
  
  Matrix3Node.prototype.copy = function ( source ) {
  
  	InputNode.prototype.copy.call( this, source );
  
  	this.value.fromArray( source.elements );
  
  	return this;
  
  };
  
  Matrix3Node.prototype.toJSON = function ( meta ) {
  
  	var data = this.getJSONNode( meta );
  
  	if ( ! data ) {
  
  		data = this.createJSONNode( meta );
  
  		data.elements = this.value.elements.concat();
  
  	}
  
  	return data;
  
  };
  
  export { Matrix3Node };
  