package{
  import flash.display.Sprite;
  import mx.core.UIComponent;
  import flash.events.*;
  import mx.controls.Alert
  
  public class RooliAndur extends UIComponent{
     [Bindable]
     public var n2it:Number=0;
	 public var ring:Sprite=new Sprite();
	 public var t2pp:Sprite=new Sprite();
	 private var vananurk:Number=0;
	 private var ringidearv:Number=0;
	 public function RooliAndur(){
	   ring.graphics.beginFill(0XFF0000);
	   ring.graphics.drawCircle(0, 0, 50);
	   ring.graphics.endFill();
	   t2pp.graphics.beginFill(0X0000FF);
	   t2pp.graphics.drawCircle(0, 0, 15);
	   t2pp.graphics.endFill();
	   ring.addChild(t2pp);
	   t2pp.x=40;
	   addChild(ring);
	   t2pp.addEventListener(MouseEvent.MOUSE_MOVE, hiirLiigub);
	 }
	 private function hiirLiigub(event:MouseEvent):void{
	   var dx:Number=event.stageX-this.x;
	   var dy:Number=event.stageY-this.y;
	   var nurk:Number=Math.atan2(dy, dx);
	   ring.rotation=nurk*180/3.14;
	   if(Math.abs(nurk)>1.5 && nurk*vananurk<0){ //Ületab nurga murdekoha
	      if(nurk<0){ringidearv++;}
		  else{ringidearv--;}
	   }
	   n2it=ringidearv*360+ring.rotation;
	   vananurk=nurk;
	 }
  }
}