public LakeWaterFallScript GetAnOnWaterFall()
    {
        if (lakeholesOn.Count > 0)
        {
            LakeWaterFallScript f = lakeholesOn[0];
            lakeholesOn.Remove(f);
            return(f);
        }

        return(null);
    }
    public void TurnOffOneLakeHole()
    {
        //Debug.Log("Turn a water fall off");
        LakeWaterFallScript w = GetAnOnWaterFall();

        if (w != null)
        {
            w.TurnOffWaterfall();
            lakeholesOff.Add(w);
        }
    }