SandStorm

by fantasista 14 Sep 2009

Embed

package {
    import com.flashdynamix.utils.SWFProfiler;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.PixelSnapping;
    import flash.display.Sprite;
    import flash.events.Event;
    
    public class SandStorm extends Sprite {
        
        public function SandStorm() {
            SWFProfiler.init(this);
            setupScreen();
            addEventListener(Event.ENTER_FRAME, enterFrameHandler);
        }
        
        private var _bitmapData:BitmapData;
        private var _bitmap:Bitmap;
        
        private function setupScreen():void {
            _bitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0x000000);
            _bitmap = addChild(new Bitmap(_bitmapData, PixelSnapping.NEVER, false)) as Bitmap;
        }
        
        private function enterFrameHandler(e:Event):void {
            var bitmapData:BitmapData = _bitmapData;
            
            bitmapData.lock();
            
            for (var px:uint=0; px<stage.stageWidth; px++) {
                for (var py:uint=0; py<stage.stageHeight; py++) {
                    bitmapData.setPixel(px, py, 0xFFFFFF*Math.random());
                }
            }
            
            bitmapData.unlock();
        }
        
    }
}