Zamegljena cirkulacija

var radius:Number = 80;

var centerX:Number = stage.stageWidth / 2;
var centerY:Number = stage.stageHeight / 2;

circle.addEventListener (Event.ENTER_FRAME, moveCircle);

var timer:Timer = new Timer(30,800000);
timer.addEventListener (TimerEvent.TIMER, createTrailCircle);
timer.start ();

function moveCircle (e:Event):void {
 var xpos:Number = centerX + Math.cos(angle) * radius;
 var ypos:Number = centerY + Math.sin(angle) * radius;

circle.x = xpos;
circle.y = ypos;

 angle += speed;
}

function createTrailCircle (e:Event):void {

var trailCircle:Circle=new Circle();

 trailCircle.x = circle.x;
 trailCircle.y = circle.y;

trailCircle.addEventListener (Event.ENTER_FRAME,animatetrailCircle);

 addChildAt (trailCircle,0);
}

function animatetrailCircle (e:Event):void {

 e.target.alpha -= 0.04;
 e.target.scaleY -= 0.04;
 e.target.scaleX -= 0.04;