public void RemoveUpgrade(CUpgrade item)
{
upgrades.Remove(item);
}
public void CreateUpgrade(int _type)
{
CUpgrade tmpUp = new CUpgrade(new Point(ball.LetzterStein.Posi.X + (ball.LetzterStein.Groesse.Width / 2),
ball.LetzterStein.Posi.Y + ball.LetzterStein.Groesse.Height), gfx, this, _type);
timer1.Tick += tmpUp.Tick;
upgrades.Add(tmpUp);
}