private void Update()
    {
        //Debug.Log("My health is " + health);

        playerList = zombManager.GetPlayerPosList();

        if (playerList.Count != 0)
        {
            UpdateClosestPlayer();
        }

        MoveTowards();

        if (health <= 0)
        {
            zombManager.ZombieDied(this);
            lastPlayer.Money += 100;
        }
    }