オーロラ

thanks
http://d.hatena.ne.jp/haru-komugi/20080406/1207426034
http://soap.vc

by imaji_fl 20 Aug 2010

Embed

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

//thanks
//http://d.hatena.ne.jp/haru-komugi/20080406/1207426034
//http://soap.vc
package {
    import flash.display.Sprite;
        import flash.display.Bitmap;
        import flash.events.Event
        import flash.display.BitmapData
        
        import flash.geom.Point
    public class FlashTest extends Sprite {
        private var bmp:Bitmap
        private var bmp_data:BitmapData
      private var offset:Array 
private var rand:Number


        public function FlashTest() {
            // write as3 code here..
            
            
             bmp=new Bitmap()
            bmp_data=new BitmapData(stage.stageWidth,stage.stageHeight,true,0xFFFF8000);
 offset = [new Point(0,0),new Point(0,0)];
 rand=Math.floor(Math.random()*0xFFFF);

addChild(bmp)

addEventListener(Event.ENTER_FRAME ,loopBitmap);


    }
     
      private function loopBitmap(e:Event):void {  
      
      //x.yにちょい移動させる   
        offset[0].x+=4;
          offset[1].y+=1;
          
          //パーリンノイズ作成
    bmp_data.perlinNoise(300 ,500 , 2 , rand , false , true , (8|4|2|1) , false , offset);
   bmp.bitmapData=bmp_data
}

        
        
    }
}