flash on 2010-4-13

/**
 * Copyright kihon ( http://wonderfl.net/user/kihon )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/pWw9
 */

package
{
	import flash.display.Sprite;
	import flash.events.Event;
 
	public class Main extends Sprite
	{
		private var bullet:Bullet;
 
		public function Main()
		{
			bullet = new Bullet();
			addChild(bullet);
 
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
 
		private function onEnterFrame(event:Event):void
		{
			var radian:Number = Math.atan2(mouseY - bullet.y, mouseX - bullet.x);
			bullet.x += Math.cos(radian) * 3;
			bullet.y += Math.sin(radian) * 3;
			bullet.rotation = radian * 180 / Math.PI;
		}
	}
}
 
import flash.display.Sprite;
 
class Bullet extends Sprite
{
	public function Bullet()
	{
		graphics.beginFill(0x0);
		graphics.drawCircle(0, 0, 15);
		graphics.endFill();
	}
}