package {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.MouseEvent;
    import flash.filters.GlowFilter;
    import flash.geom.Matrix;
    import flash.geom.Point;
    public class BitmapCollision1 extends Sprite {
         
        private var bmpd1:BitmapData;
        private var bmp1:Bitmap;
        private var bmpd2:BitmapData;
        private var bmp2:Bitmap;
         
        public function BitmapCollision1() {
            stage.align=StageAlign.TOP_LEFT;
            stage.scaleMode=StageScaleMode.NO_SCALE;
            var matrix:Matrix = new Matrix();
            var radius:uint = 50;
            matrix.tx = radius;
            matrix.ty = radius;         
            var star:Star=new Star(radius);
             
            bmpd1=new BitmapData(100,100,true,0);           
            bmpd1.draw(star,matrix);
            bmp1=new Bitmap(bmpd1);
            bmp1.x=200;
            bmp1.y=200;
            addChild(bmp1);
             
            bmpd2=new BitmapData(100,100,true,0);           
            bmpd2.draw(star,matrix);
            bmp2=new Bitmap(bmpd2);
            addChild(bmp2);
             
            stage.addEventListener(MouseEvent.MOUSE_MOVE,onMouseMoving);
        }
         
        private function onMouseMoving(event:MouseEvent):void {
             
            bmp2.x=mouseX-50;
            bmp2.y=mouseY-50;
             
            if (bmpd1.hitTest(new Point(bmp1.x,bmp1.y),255,bmpd2,new Point(bmp2.x,bmp2.y),255)) {
                bmp1.filters=[new GlowFilter];
                bmp2.filters=[new GlowFilter];
            } else {
                bmp1.filters=[];
                bmp2.filters=[];
            }
        }
    }
}