// forked from muraken's camera of undefined // @autoher : muraken (undefined Inc.) package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.BitmapDataChannel; import flash.display.DisplayObject; import flash.display.Sprite; import flash.events.Event; import flash.geom.Matrix; import flash.geom.Point; import flash.geom.Rectangle; import flash.media.Camera; import flash.media.Video; [SWF(width="465", height="465", backgroundColor="0xffffff", frameRate="40")] public class NoiseDisplay extends Sprite { private var bmp:Bitmap; private const BMD_WIDTH:int = 240; private const BMD_HEIGHT:int = 240; private var baseColor:uint = 0xFFFFFF; private var baseBmd:BitmapData; private var editBmd:BitmapData; private var noiseBmd:BitmapData; private var sandstormBmd:BitmapData; private var sorce:DisplayObject; private var baseMatrix:Matrix; private var pointArray:Array; private var randArray1:Array; private var randArray2:Array; private var randNum1:Number; private var bmdUpNum:Number; private var video:Video; private var _bmp:Bitmap; private var camera_width:int; private var camera_height:int; public function NoiseDisplay():void { camera_width = stage.stageWidth; camera_height = stage.stageHeight; video = new Video(camera_width, camera_height); var camera:Camera = Camera.getCamera(); if (camera == null) { //error return; } video.attachCamera(camera); sorce = video; bmp = new Bitmap(); addChild(bmp); baseBmd = new BitmapData(BMD_WIDTH, BMD_HEIGHT, false, baseColor); editBmd = baseBmd.clone(); noiseBmd = baseBmd.clone(); sandstormBmd = baseBmd.clone(); baseMatrix = new Matrix(); pointArray = new Array(new Point(0, 0), new Point(0, 0), new Point(0, 0)); randArray1 = new Array(Math.random() + 1, Math.random() + 1, Math.random() + 1); randArray2 = new Array(0, 0, 0); randNum1 =0.5; bmdUpNum = 0; bmp.bitmapData = noiseBmd; bmp.smoothing = true; bmp.visible = false; stage.addEventListener(Event.RESIZE, _onResize); _onResize(null); addEventListener(Event.ENTER_FRAME, upDate); bmp.visible = true; sorce.visible = false; } private function _onResize(e:Event):void { var W:Number = stage.stageWidth; var H:Number = stage.stageHeight; baseMatrix = new Matrix(); baseMatrix.scale(BMD_WIDTH/W, BMD_HEIGHT/H); bmp.scaleX = W/BMD_WIDTH; bmp.scaleY = H/BMD_HEIGHT; bmp.x = bmp.y = 0; } private var _keyCnt:Number = 0; private function upDate(e:Event):void { var copy_bmd:BitmapData = baseBmd.clone(); copy_bmd.draw(sorce, baseMatrix); editBmd = copy_bmd.clone(); for (var i:int = 0; i < 3; i++) { if (randArray1[i] >= 1){ --randArray1[i]; randArray2[i] = Math.random() / 4 + 0.03; } randArray1[i] = randArray1[i] + randArray2[i]; _keyCnt += (48-_keyCnt) / 4; pointArray[i].x = Math.ceil(Math.sin(randArray1[i] * Math.PI * 2) * randArray2[i] * _keyCnt*2); pointArray[i].y = 0; } var keyNum:Number = 1*(Math.abs(pointArray[0].x) + Math.abs(pointArray[1].x) + Math.abs(pointArray[2].x) + 8) / 4; i = BMD_HEIGHT; while (i--){ var offset:Number = Math.sin(i / BMD_HEIGHT * (Math.random() / 8 + 1) * randNum1 * Math.PI * 2)* 0.8 * keyNum * keyNum; editBmd.copyPixels(copy_bmd, new Rectangle(offset, i, BMD_WIDTH - offset, 1), new Point(0, i)); } sandstormBmd.noise(int(Math.random() * 1000), 0, 255, 7, false); var sandNum:Number = 40; editBmd.merge(sandstormBmd, editBmd.rect, new Point(0,0), sandNum, sandNum, sandNum, 0); noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[0], BitmapDataChannel.RED, BitmapDataChannel.RED); noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[1], BitmapDataChannel.GREEN, BitmapDataChannel.GREEN); noiseBmd.copyChannel(editBmd, noiseBmd.rect, pointArray[2], BitmapDataChannel.BLUE, BitmapDataChannel.BLUE); } } }