package  {
    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.display.Stage;
    public class Mermi extends MovieClip{
        private var radyan:Number;
        public function Mermi(startX:Number,startY:Number,stageR:Stage) {
            x=startX;
            y=startY;
            addEventListener(Event.ENTER_FRAME,step);
            var dx:Number=stageR.mouseX-this.x;
            var dy:Number=stageR.mouseY-this.y;
            radyan=Math.atan2(dy,dx);
            rotation=radyan*180/Math.PI;
            }
        private function step(e:Event):void{
            x+=Math.cos(radyan)*15;
            y+=Math.sin(radyan)*15;
            if (this.x>stage.stageWidth || this.x<0 || this.y<0 || this.y>stage.stageHeight){
                this.parent.removeChild(this);
                removeEventListener(Event.ENTER_FRAME,step);
            }
        }
    }
}