Sakura02

...
@author emnobu

by emnobu 12 Jun 2009

Tags

Bitmap BlendMode
Embed

/**
 * Copyright emnobu ( http://wonderfl.net/user/emnobu )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/54Mi
 */

package 
{
	import flash.display.*;
	import flash.events.*;
	import flash.filters.*;
	import flash.geom.Point;
	import flash.utils.Timer;
	
	
	/**
	 * ...
	 * @author emnobu
	 */


        [SWF(frameRate="60",backgroundColor="#000000")]
        
	public class Main02 extends Sprite 
	{
		private var bmd:BitmapData;
		private var bm:Bitmap;
		
		private var canvas:Sprite;
		private var obj:Sprite;
		
		private var angle:Number = 0;
		private var angle02:Number = 0;
		private var centerX:uint = stage.stageWidth/2;
		private var centerY:uint = stage.stageHeight/2;
		private var radius:uint = 70;
		private var spd:Number= 11;
		private var spd02:Number = 77;

                
		
		public function Main02():void
		{
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
			stage.quality = StageQuality.BEST;
			init();
		}
		
		public function init():void
		{
			canvas = new Sprite();
			addChild(canvas);
			
			bmd = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x000000);
			bm = new Bitmap(bmd);
			addChild(bm);
			
			var timer:Timer = new Timer(11,1500);
			timer.addEventListener(TimerEvent.TIMER, timerHandler);
			timer.addEventListener(TimerEvent.TIMER_COMPLETE, emComplete);
			timer.start();	
		}
		
		private function emComplete(evt:TimerEvent):void
		{
			trace("終了");
			removeEventListener(Event.ENTER_FRAME, emEnterFrame);
		}
		
		private function timerHandler(evt:TimerEvent):void
		{
			obj = new Sprite();
			var color:uint = Math.random() * 0xffffff;
			obj.graphics.beginFill(color);
			var radius:int = 1;
			obj.graphics.drawCircle(radius/2, radius/2, radius);
			obj.graphics.endFill();
			
			obj.x = stage.stageWidth / 2;
			obj.y = stage.stageHeight / 2;
			canvas.addChild(obj);
			
			obj.blendMode = BlendMode.ADD;
						
			addEventListener(Event.ENTER_FRAME, emEnterFrame);
		}
		
		private function removeObject(target:Sprite):void
		{
			canvas.removeChild(target);
		}
		
		private function emEnterFrame(evt:Event):void
		{
			bmd.draw(canvas);
			bmd.applyFilter(bmd, bmd.rect, new Point(0, 0), new BlurFilter(3, 3, 2));
		
			var xPos:Number = centerX + Math.sin(angle) * radius;
			var yPos:Number = centerY + Math.cos(angle) * radius;
			
			obj.x = xPos + Math.sin(angle02) * radius;
			obj.y = yPos + Math.cos(angle02) * radius;
			
			angle += spd;
			angle02 += spd02;
		}	
	}
}