Forked from:: muraken's camera of undefined

muraken effect test

@autoher : muraken (undefined Inc.)

forked:4
favorite:21
lines:102
license : All rights reserved
modified : 2008-12-21 01:29:40

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// 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 {
            var sprite:Sprite = new Sprite();
            sprite.graphics.beginFill(0xff0000);
            sprite.graphics.drawCircle(200, 150, 45);
            sprite.graphics.endFill();
            sprite.graphics.beginFill(0x0000ff);
            sprite.graphics.drawCircle(250, 200, 45);
            sprite.graphics.endFill();

sorce = sprite;
            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);
        }
    }
}

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