simple bitmap Effect

by J.J 29 Jan 2013

• Related works: 1
Embed

/**
 * Copyright J.J ( http://wonderfl.net/user/J.J )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/kM36
 */

package  {

    

    import flash.geom.ColorTransform;

    import flash.events.MouseEvent;

    import flash.filters.BlurFilter;

    import flash.geom.Point;

    import flash.geom.Matrix;

    import flash.display.Shape;

    import flash.filters.ConvolutionFilter;

    import flash.display.BitmapData;

    import flash.display.Bitmap;

    import flash.events.Event;

    import flash.display.Sprite;

    /**

     * @author Javid Jafari

     */

    public class testwater extends Sprite {

        

        

        private var h : int;

        private var w : int;

        private var mainbmp : Bitmap;

        private var chromeFilter : ConvolutionFilter;

        private var shape : Shape;



        private var bmpBuffer : BitmapData;

        

        private var blackfilter : ConvolutionFilter;

        private var isBlack : Boolean = true;

        private var blurFilter : BlurFilter;

        private var p : Point;

        private var colors : ColorTransform;

        public function testwater() {

            if(stage) inits()

            else addEventListener(Event.ADDED_TO_STAGE, inits)

        }



        private function inits(event : Event=null ): void {

            

            w=stage.stageWidth ,h=stage.stageHeight

            mainbmp=new Bitmap(null);

            mainbmp.bitmapData=new BitmapData(w, h,false,0x000000)

            addChild(mainbmp)

            shape=new Shape()

            with(shape.graphics){

            beginFill(0xffffff)

            drawCircle(0, 0, 22)

            endFill()

            }

            shape.filters=[new BlurFilter(20,20)]

            var matrix:Matrix=new Matrix()

            matrix.translate(mainbmp.bitmapData.width/2, mainbmp.bitmapData.height/2)

            bmpBuffer=new BitmapData(w, h,false,0x000000)

            

            bmpBuffer.draw(shape,matrix)

            var chromeMatrix:Array=[0.05, 1,

             0.05, 1,

              0, 1,

               0.05, .1,

                0.05]

            chromeFilter=new ConvolutionFilter(3, 3,chromeMatrix, 3);

            var blackMatrix:Array=[

            1,1,1,

            1,-.1,1,

            1,1,1

            ]        

            blackfilter=new ConvolutionFilter(3,3,blackMatrix,9)

            blurFilter=new BlurFilter(50,50)

            p=new Point()

            colors=new ColorTransform()

            addEventListener(Event.ENTER_FRAME, loop)

            stage.addEventListener(MouseEvent.MOUSE_MOVE, mousemovie)

        }



        private function mousemovie(event : MouseEvent) : void {

            colors.redMultiplier=Math.random()

            colors.greenMultiplier=Math.random()

            colors.blueMultiplier=Math.random()

            if(isBlack) bmpBuffer.draw(shape,new Matrix(1,       0,

                                                     0,       1, 

                                                     mouseX , mouseY ),colors)

            

        }



        private function loop(event : Event) : void {

            

            if(mainbmp.bitmapData.getPixel(0, 0)==0xffffff && mainbmp.bitmapData.getPixel(w-1,h-1)==0xffffff && mainbmp.bitmapData.getPixel(w-1,0)==0xffffff && mainbmp.bitmapData.getPixel(0,h-1)==0xffffff){

                isBlack=false

                removeEventListener(Event.ENTER_FRAME, loop)

                addEventListener(Event.ENTER_FRAME, checkBlackPoint)

                function checkBlackPoint():void{

                mainbmp.bitmapData.applyFilter(bmpBuffer, mainbmp.bitmapData.rect, p,blackfilter)

                if(mainbmp.bitmapData.getPixel(0, 0)==0x000000) {

                removeEventListener(Event.ENTER_FRAME, checkBlackPoint)

                addEventListener(Event.ENTER_FRAME, loop)

                isBlack=true

                }

                }

            }

            else {

        

                mainbmp.bitmapData.applyFilter(bmpBuffer, mainbmp.bitmapData.rect, p,blurFilter)

                mainbmp.bitmapData.applyFilter(bmpBuffer, mainbmp.bitmapData.rect, p,chromeFilter)

                }

                bmpBuffer=mainbmp.bitmapData

            

            

            

            

        

        }

    }

    

}