protected void Start()
    {
        Debug.Assert(m_PowerUpPieceCollider != null, "m_PowerUpPieceCollider not set");
        Debug.Assert(m_Renderer != null, "m_Renderer not set");
        if (m_Pulsater == null)
        {
            m_Pulsater = GetComponentInChildren <Pulsater>();
        }

        m_PowerUpPieceCollider.PowerUpHitEvent += OnPowerUpHit;
    }