text: /**
   * @author takahiro / https://github.com/takahirox
   */
  
  function DataCreationHelper () {
  };
  
  DataCreationHelper.prototype = {
  
  	constructor: DataCreationHelper,
  
  	leftToRightVector3: function ( v ) {
  
  		v[ 2 ] = -v[ 2 ];
  
  	},
  
  	leftToRightQuaternion: function ( q ) {
  
  		q[ 0 ] = -q[ 0 ];
  		q[ 1 ] = -q[ 1 ];
  
  	},
  
  	leftToRightEuler: function ( r ) {
  
  		r[ 0 ] = -r[ 0 ];
  		r[ 1 ] = -r[ 1 ];
  
  	},
  
  	leftToRightIndexOrder: function ( p ) {
  
  		var tmp = p[ 2 ];
  		p[ 2 ] = p[ 0 ];
  		p[ 0 ] = tmp;
  
  	},
  
  	leftToRightVector3Range: function ( v1, v2 ) {
  
  		var tmp = -v2[ 2 ];
  		v2[ 2 ] = -v1[ 2 ];
  		v1[ 2 ] = tmp;
  
  	},
  
  	leftToRightEulerRange: function ( r1, r2 ) {
  
  		var tmp1 = -r2[ 0 ];
  		var tmp2 = -r2[ 1 ];
  		r2[ 0 ] = -r1[ 0 ];
  		r2[ 1 ] = -r1[ 1 ];
  		r1[ 0 ] = tmp1;
  		r1[ 1 ] = tmp2;
  
  	}
  
  };
  
  export { DataCreationHelper }
  