package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Loader; import flash.display.Sprite; import flash.events.Event; import flash.net.URLRequest; import flash.system.LoaderContext; // Based on image by stretchMarx // http://www.fractalforums.com/meet-and-greet/hello-with-pics/ [SWF(width=465,height=465,frameRate=60)] public class Plasma extends Sprite { protected var palette_r:Array = []; protected var palette_g:Array = []; protected var palette_b:Array = []; protected var bmd_0:BitmapData; protected var bmd_1:BitmapData; protected var loader:Loader; public function Plasma () { loader = new Loader; loader.contentLoaderInfo.addEventListener (Event.COMPLETE, init); loader.load (new URLRequest ("http://assets.wonderfl.net/images/related_images/4/41/41f6/41f69a2ac7ce3446f6c7a38fa0bfd74cc75d91a7"), new LoaderContext (true)); } public function init (e:Event):void { bmd_0 = loader.content ["bitmapData"]; bmd_1 = bmd_0.clone (); addChild ( new Bitmap( bmd_1 ) ); var x:int, y:int; // need better colors, someone! for( x = 0; x < 256; x++ ) { palette_r [x] = 0x10000 * int(128.0 + 128 * Math.sin(3.1415 * x / 256.0)); palette_g [x] = 0x100 * int(128.0 + 128 * Math.sin(3.1415 * x / 128.0)); palette_b [x] = 1 * int(128.0 + 128 * Math.sin(3.1415 * x / 64.0)); } addEventListener( Event.ENTER_FRAME, enterFrameHandler ); } protected function enterFrameHandler( event : Event = null ):void { // now, let's do things right way var shift : int = 1; while (shift -- > 0) { palette_r.push (palette_r.shift ()); palette_g.push (palette_g.shift ()); palette_b.push (palette_b.shift ()); } bmd_1.paletteMap (bmd_0, bmd_0.rect, bmd_0.rect.topLeft, palette_r, palette_g, palette_b); } } }