//Boss fire each rocket on 1.5seconds
 private void BossFireRocket(object sender, EventArgs e)
 {
     Rocket r = new Rocket(boss.RX(), boss.RY()); r.Reset();
     bossRockets.Add(r);
 }
//Boss fire each rocket on 1.5seconds
        private void BossFireRocket(object sender, EventArgs e)
        {
            Rocket r = new Rocket(boss.RX(), boss.RY()); r.Reset();

            bossRockets.Add(r);
        }