Starling performance test

package {
	import starling.events.Event;
	import starling.core.Starling;
	import starling.display.Sprite;
	import starling.display.Button;
	import starling.textures.Texture;
	import starling.display.DisplayObject;
	import starling.display.Image;
	import starling.utils.deg2rad;
	import flash.display.Bitmap;


	public class Demo extends Sprite {

		[Embed(source = "f60.png")]
		private var MyBitmap:Class;
		
		private var _myTexture:Texture;
		private var _arrButterflys:Vector.<Butterfly>;

		public function Demo() {
			// addedToStage 이벤트에 대한 리스너 추가
			addEventListener( Event.ADDED_TO_STAGE , onAddedToStage);
		}


		private function onAddedToStage(e:Event):void {
			var myBitmap:Bitmap = new MyBitmap() as Bitmap;
			_myTexture = Texture.fromBitmap(myBitmap);

			var len:int = 800;
			
			_arrButterflys = new Vector.<Butterfly>(len, false);
			
			for (var i:int = 0; i<len; i++) {
				var fly:Butterfly = new Butterfly(_myTexture);
				
				fly.alpha = Math.random();
				fly.destX = Math.random()*stage.stageWidth;
				fly.destY = Math.random()*stage.stageHeight;
				
				fly.setVertexColor(0, Math.random()*0xFFFFFF);
				fly.setVertexColor(1, Math.random()*0xFFFFFF);
				fly.setVertexColor(2, Math.random()*0xFFFFFF);
				fly.setVertexColor(3, Math.random()*0xFFFFFF);
				
				fly.x = Math.random()*stage.stageWidth;
				fly.y = Math.random()*stage.stageHeight;
				fly.rotation = deg2rad(Math.random()*360);
				
				fly.pivotX = fly.width >> 1;
				fly.pivotY = fly.height >> 1;
				
				_arrButterflys[i] = fly;
				addChild(fly);
			}

			stage.addEventListener(Event.ENTER_FRAME, onFrame);
		}
		
		private function onFrame(e:Event):void{

			var len:uint = _arrButterflys.length;

			for (var i:int = 0; i < len; i++){

				// move the sausages around
				var fly:Butterfly = _arrButterflys[i];
				
				fly.x -= ( fly.x - fly.destX ) * .1;
				fly.y -= ( fly.y - fly.destY ) * .1;

				if (Math.abs(fly.x - fly.destX)<1 && Math.abs(fly.y-fly.destY) < 1){
					fly.destX = Math.random()*stage.stageWidth;
					fly.destY = Math.random()*stage.stageHeight;
					fly.rotation = deg2rad(Math.random()*360);
				}
			}
		}

		public override function dispose():void {
			removeEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
			_myTexture.dispose();
			super.dispose();
		}
	}
}

import starling.display.Image;
import starling.textures.Texture;

class Butterfly extends Image{
	
	public var destX:Number = 0;
	public var destY:Number = 0;
	
	public function Butterfly(inTexture:Texture):void{
		super(inTexture);
	}
}