객체 재활용하기 ( arrow 재생성 )

class 

{

private static var arrowList : Arroy = [];

public fuinction Arrow()

{

this.addEventListener( Event.REMOVE_FROM_STAGE, onRemove);

}

private function onRemove( e: Event ) :void

{

arrList.push(this);

}

public static function getArrow():Arrow

{

if( arrowList .length > 0 )

{

return arrowList.pop() as Arrow;

trace( "이미 있어서 재활용하기");

}else{

return new Arrow();

trace("없어서 새로 생성하기");

}

}

}

var arrow : Arrow = Arrow.getArrow();