Etwas
public text v1 · immutableaddEventListener( 'enterFrame', onEnterFrame );
var angle:Number = 0;
var len:Number = 200;
function onEnterFrame( event:Event ):void
{
angle = angle >= 360 ? 0 : angle + 1;
sprite.x = Math.sin( angle ) * len;
sprite.y = Math.cos( angle ) * len;
}