private GameObject currentlyMovingObject = null; //when a piece of scenery is being moved, it is referenced to this variable - otherwise, it is normally left null

    void Awake()
    {
        arCamera             = Camera.main;
        appStateManager      = FindObjectOfType <AppStateManager>();
        generalConfiguration = FindObjectOfType <GeneralConfiguration>();
        sceneryUtil          = FindObjectOfType <SceneryUtil>();
    }