internal void Update()
 {
     if (Input.GetKeyDown(KeyCode.Minus))
     {
         player.DamageObj(.5f);
     }
     else if (Input.GetKeyDown(KeyCode.Equals))
     {
         player.DamageObj(-.5f);
     }
 }
    // Update is called once per frame
    void Update()
    {
        float newSpeed = m_physics.m_trueVelocity.magnitude;
        float delta    = newSpeed - m_lastSpeed;

        if (Mathf.Abs(delta) > MinimumVelocityChangeForDamage)
        {
            m_attackable.DamageObj(SelfDamageAmount);
        }
        m_lastSpeed = m_physics.m_trueVelocity.magnitude;
    }