public void Unload()
 {
     Instance       = null;
     wrenchUpgrades = null;
     arrowPanel     = null;
     menuPanel      = null;
 }
        public override void OnInitialize()
        {
            Instance = this;

            wrenchUpgrades = new WrenchUpgradeButtons();
            Instance.Append(wrenchUpgrades);
            wrenchUpgrades.Hide();

            arrowPanel = new ArrowPanel();
            Instance.Append(arrowPanel);
            arrowPanel.Hide();

            menuPanel = new MenuPanel();
            Instance.Append(menuPanel);
            menuPanel.Hide();
        }