噪点图

var bmd1: BitmapData = new BitmapData(80,
	80);
var bmd2: BitmapData = new BitmapData(80,
	80);

var seed: int = int(Math.random() * int.MAX_VALUE);
bmd1.noise(seed,
	0,
	0xFF,
	BitmapDataChannel.RED, false);
bmd2.noise(seed,
	0,
	0xFF,
	BitmapDataChannel.RED, true);

var bm1: Bitmap = new Bitmap(bmd1);
this.addChild(bm1);
bm1.x = 10;
bm1.y = 10;
var bm2: Bitmap = new Bitmap(bmd2);
this.addChild(bm2);
bm2.x = 100;
bm2.y = 10;


stage.addEventListener(Event.ENTER_FRAME, enterFrameHandler);

function enterFrameHandler(e: Event): void {
	seed = Math.floor(Math.random() * int.MAX_VALUE);
	bmd1.noise(seed,
		0,
		0xFF,
		BitmapDataChannel.RED, false);
	bmd2.noise(seed,
		0,
		0xFF,
		BitmapDataChannel.RED, true);
	bm1.bitmapData = bmd1;
	bm2.bitmapData = bmd2;
}