bool PreTestEnemyBulletCollidePlayer(MZBullet enemyBullet, MZPlayer player)
 {
     return true;
 }
    void OnEnemyBulletCollidePlayer(MZBullet enemyBullet, MZPlayer player)
    {
        enemyBullet.Disable();
        _playerHitTime++;

        MZDebug.Log( "Your hit by " + _playerHitTime.ToString() + " times" );
    }