The randomSeed parameter is responsible for the randomness of the noise : BitmapData « Graphics « Flash / Flex / ActionScript

The randomSeed parameter is responsible for the randomness of the noise


package {

    import flash.display.BitmapData;
    import flash.display.Bitmap;
    import flash.display.Sprite;
    import flash.utils.Timer;

    public class Main extends Sprite {

        private var _bitmapData:BitmapData = new BitmapData(400, 400);

        public function Main () {
            var bitmap:Bitmap = new Bitmap(_bitmapData);

            var timer:Timer = new Timer(50);
            timer.addEventListener(TimerEvent.TIMER, timerHandler);


        private function timerHandler(event:TimerEvent):void {
            _bitmapData.perlinNoise(100, 100, 1, Math.random() * 1000, false, false);


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16.Assigning the Color of a Region of Pixels
17.How draw( ) handles Alpha channel values
18.Applying Color Transformations
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