public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
        GridGeneratorScript grid = target as GridGeneratorScript;

        if (GUILayout.Button("Generate Grid"))
        {
            grid.GenerateGrid();
        }

        if (GUILayout.Button("Clear Grid"))
        {
            grid.ClearGrid();
        }

        //if (GUILayout.Button("Update Walls"))
        //grid.UpdateWalls();

        if (GUILayout.Button("Reset Walls"))
        {
            grid.ResetWalls();
        }
    }