图片涟漪特效

在库里面导入jpg图片，选择导出类名pic00，基类为flash.display.BitmapData，选择第一帧导出
文档类:

package {
    import flash.display.*;
    import flash.events.*;
    import flash.filters.ConvolutionFilter;
    import flash.filters.DisplacementMapFilter;
    import flash.geom.*;
    import flash.net.URLRequest;
    public class waveclass extends Sprite {
        private var mouseDown:Boolean = false;
        private var damper,result,result2,source,buffer,output,surface:BitmapData;
        var pic:Bitmap;
        private var bounds:Rectangle;
        private var origin:Point;
        private var matrix,matrix2:Matrix;
        private var wave:ConvolutionFilter;
        private var damp:ColorTransform;
        private var water:DisplacementMapFilter;
        //
        private var imgW:Number = 600;
        private var imgH:Number = 300;

        public function waveclass () {
            super ();
            buildwave ();
        }
        private function buildwave () {
            damper = new BitmapData(imgW, imgH, false, 128);
            result = new BitmapData(imgW, imgH, false, 128);
            result2 = new BitmapData(imgW*2, imgH*2, false, 128);
            source = new BitmapData(imgW, imgH, false, 128);
            buffer = new BitmapData(imgW, imgH, false, 128);
            output = new BitmapData(imgW*2, imgH*2, true, 128);
            bounds = new Rectangle(0, 0, imgW, imgH);
            origin = new Point();
            matrix = new Matrix();
            matrix2 = new Matrix();
            matrix2.a = matrix2.d=2;
            wave = new ConvolutionFilter(3, 3, [1, 1, 1, 1, 1, 1, 1, 1, 1], 9, 0);
            damp = new ColorTransform(0, 0, 9.960937E-001, 1, 0, 0, 2, 0);
            water = new DisplacementMapFilter(result2, origin, 4, 4, 48, 48);
            var _bg:Sprite = new Sprite();
            addChild (_bg);
            _bg.graphics.beginFill (0xFFFFFF,0);
            _bg.graphics.drawRect (0,0,imgW,imgH);
            _bg.graphics.endFill ();
            addChild (new Bitmap(output));
            buildImg ();
        }
        private function frameHandle (_e:Event):void {

            var _x:Number = mouseX/2;
            var _y:Number = mouseY/2;
            source.setPixel (_x+1, _y, 16777215);
            source.setPixel (_x-1, _y, 16777215);
            source.setPixel (_x, _y+1, 16777215);
            source.setPixel (_x, _y-1, 16777215);
            source.setPixel (_x, _y, 16777215);
            result.applyFilter (source, bounds, origin, wave);
            result.draw (result, matrix, null, BlendMode.ADD);
            result.draw (buffer, matrix, null, BlendMode.DIFFERENCE);
            result.draw (result, matrix, damp);
            result2.draw (result, matrix2, null, null, null, true);
            output.applyFilter (surface, new Rectangle(0, 0, imgW, imgH), origin, water);
            buffer = source;
            source = result.clone();
        }
        private function buildImg ():void {
            surface = new pic00(10,10);
            addEventListener (Event.ENTER_FRAME,frameHandle);
        }
    }
}