petal

forked:4
favorite:24
lines:27
license : MIT License
modified : 2009-07-28 16:00:15

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package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.utils.getTimer;
    import flash.geom.ColorTransform;
    public class FlashTest extends Sprite {
        private var canvas:BitmapData
        private var color:ColorTransform = new ColorTransform(1, 1, 1, 1, -50, -35, -15);
        public function FlashTest() {
            canvas = new BitmapData(480, 480, false,0);
            addChild(new Bitmap(canvas)) as Bitmap;
            addEventListener(Event.ENTER_FRAME, update);
        }
        private function update(e:Event):void {
            var a:Number = Math.sin( getTimer() / 1000000 ) * 1000000;
            canvas.lock();
            //canvas.fillRect(canvas.rect,0);
            canvas.colorTransform(canvas.rect, color);
            for(var i:int = 0; i < 10000; i++) {
                var r:Number = 150 + 40 * Math.sin( a/1000 )* Math.sin( i/40 + Math.sin(a/500) * 1.5 )+ 120 * Math.sin( i*2 * Math.cos(a/1500000) + a/10000 );
                canvas.setPixel(240 + r * Math.sin(i / 160), 240 + r * Math.cos(i / 160), 0xffffff);
            }
            canvas.unlock();
        }
    }
}

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