package {
import flash.display.Sprite;
import flash.events.Event;
public class Main extends Sprite {
private var _sprite:Sprite;
private var _angle:Number = 45;
private var _radius:Number = 200;
public function Main( ) {
_sprite = new Sprite( );
_sprite.graphics.beginFill(0x0000ff, 100);
_sprite.graphics.drawCircle(0, 0, 5);
_sprite.graphics.endFill( );
_sprite.x = 0;
_sprite.y = 100;
addChild(_sprite);
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
public function onEnterFrame(event:Event):void {
_sprite.x = 200 + Math.sin(_angle) * _radius;
_sprite.y = 200 + Math.cos(_angle) * _radius;
_angle += .05;
}
}
}