package
{
    import net.flashpunk.World;

    public class MyWorld extends World
    {
        private var BulletCreator:Number = 0;

        public function MyWorld()
        {
            add(new Player);
        }

        override public function update():void
        {
            BulletCreator += 1;
            if (BulletCreator > 29)
            {
                BulletCreator = 0;
                add(new Bullet);
            }
        }

    }

}