// forked from nemu90kWw's 似非ライトブルーム効果 forked from: ExtendBlur // forked from northprint's ExtendBlur package { import flash.display.*; import flash.events.*; import flash.geom.*; import flash.filters.*; import flash.net.*; import flash.system.*; [SWF(width="465", height="465", backgroundColor="0xFFFFFF", frameRate="20")] public class ExtendBlur extends Sprite { private var _imgloader:Loader; private var _screen:Bitmap; private var _x:Number = 260; private var _y:Number = 50; private var _dx:Number = 260; private var _dy:Number = 50; private var _buffer:BitmapData; private var _source_l:BitmapData; private var _source_b:BitmapData; private var _noise:BitmapData; private var _offset:Array = [new Point(), new Point()]; private var _matrix:Matrix = new Matrix(1, 0, 0, 1, 0, 0); function ExtendBlur() { Security.loadPolicyFile("http://narayama.heteml.jp/crossdomain.xml"); //imageの取得 _imgloader = new Loader(); _imgloader.contentLoaderInfo.addEventListener(Event.COMPLETE,ImgLoadHandler); _imgloader.load(new URLRequest("http://narayama.heteml.jp/test/pixelbender/tokyo.jpg"), new LoaderContext(true)); _buffer = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0); _noise = new BitmapData(stage.stageWidth/3, stage.stageHeight/3, false, 0); stage.fullScreenSourceRect = new Rectangle(0, 0, stage.stageWidth, stage.stageHeight); stage.addEventListener(MouseEvent.CLICK, stageClick); stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); } private function ImgLoadHandler(e:Event):void { var loaderInfo:LoaderInfo = LoaderInfo(e.currentTarget); var loader:Loader = loaderInfo.loader; var bitmapData:BitmapData = new BitmapData(loader.width+1, loader.height, true); bitmapData.draw(loader); _source_l = bitmapData.clone(); _source_b = bitmapData.clone(); _source_l.applyFilter(_source_l, _source_l.rect, new Point(), new BlurFilter(3, 3)); _source_l.colorTransform(_source_l.rect, new ColorTransform(1, 1, 1, 1, 48, 48, 48, 0)); _source_l.colorTransform(_source_l.rect, new ColorTransform(1, 1, 1, 1, -160, -160, -160, 0)); _source_l.colorTransform(_source_l.rect, new ColorTransform(0.1, 0.1, 0.1, 1)); _source_b.colorTransform(_source_l.rect, new ColorTransform(0.5, 0.5, 0.5, 1, 0, 0, 0, 0)); _screen = new Bitmap(_buffer); _screen.scaleX = _screen.scaleY = stage.stageWidth / loader.height; _screen.smoothing = true; addChild(_screen); stage.addEventListener(Event.ENTER_FRAME, enterFrameHandler); } private function enterFrameHandler(e:Event):void { _x = (_x + _dx) / 2; _y = (_y + _dy) / 2; _buffer.lock(); _buffer.copyPixels(_source_b, _source_b.rect, new Point(0, 0)); _offset[0].x += 0.8; _offset[0].y += 0.05; _offset[0].x += 0.5; _offset[0].y += 0.15; _noise.perlinNoise(48, 16, 2, 0, false, false, 0, true, _offset); _noise.colorTransform(_noise.rect, new ColorTransform(1, 1, 1, 1, 192, 192, 192, 0)); _noise.colorTransform(_noise.rect, new ColorTransform(1, 1, 1, 1, -254, -254, -255, 0)); var temp:BitmapData = _source_l.clone(); _matrix.identity(); _matrix.scale(3, 3); temp.draw(_noise, _matrix, null, BlendMode.SUBTRACT); _matrix.identity(); for(var i:int = 0; i < 15; i++) { _matrix.translate(-1 * _x, -1 * _y); _matrix.scale(1.03, 1.03); _matrix.translate(_x, _y); _buffer.draw(temp, _matrix, null, BlendMode.ADD); } _source_l.scroll(1, 0); _source_b.scroll(1, 0); _source_l.copyPixels(_source_l, new Rectangle(_source_l.width-1, 0, 1, _source_l.height), new Point(0, 0)); _source_b.copyPixels(_source_b, new Rectangle(_source_b.width-1, 0, 1, _source_b.height), new Point(0, 0)); _buffer.unlock(); } private function onMouseMove( e:MouseEvent ) :void { _dx = Math.min(Math.max(stage.mouseX, 0), stage.stageWidth); _dy = Math.min(Math.max(stage.mouseY, 0), stage.stageHeight) / 2; } private function stageClick( e:MouseEvent ) :void { switch(stage.displayState) { case StageDisplayState.NORMAL: stage.displayState = StageDisplayState.FULL_SCREEN; break; case StageDisplayState.FULL_SCREEN: default: stage.displayState = StageDisplayState.NORMAL; break; } } } }