public override void Removed(EventArgs e)
        {
            base.Removed(e);
            if (starParticles != null && children.Contains(starParticles))
            {
                RemoveChild(starParticles);
            }
            starParticles = null;

            if (steamParticles != null && children.Contains(steamParticles))
            {
                RemoveChild(steamParticles);
            }
            steamParticles = null;

            if (spacePsst != null)
            {
                spacePsst.Stop(AudioStopOptions.Immediate);
                spacePsst = null;
            }
        }
        public override void Update(Microsoft.Xna.Framework.GameTime gameTime)
        {
            base.Update(gameTime);

            if (screen.isActive && steamParticles != null)
            {
                if (steamParticles.isComplete)
                {
                    steamParticles = null;
                }
            }
            else if (screen.isActive && starParticles != null)
            {
                if (starParticles.isComplete)
                {
                    starParticles = null;
                }
                else
                {
                    int msDelay = 15;
                    prevMs += gameTime.ElapsedGameTime.Milliseconds;
                    if (prevMs > msDelay)
                    {
                        prevMs -= msDelay;
                        int pi = (int)Math.Min(roundScore / (laneCount - 1f), 7);
                        //starParticles.CreateInstanceAt("plpart" + pi, "pe", X + rnd.Next(40) - 20, Y + rnd.Next(40) - 20, 0, 0);
                        starParticles.CreateInstanceAt("plpart7", "pe", X + rnd.Next(40) - 20, Y + rnd.Next(40) - 20, 0, 0);
                        starParticles.SetParticleScale(pi / ((laneCount - 1f) * 3f) + .33f);
                    }
                }
            }
            else
            {
                this.SpeedLevel = SpeedLevel.Normal;
            }
        }