void Start()
    {
        cannonsController = FindObjectOfType <CannonsController> ();

        CannonsLevelDisplay.text    = cannonsController.CannonLevel.ToString();
        CannonsForceDisplay.text    = cannonsController.CannonThrustForce.ToString() + "%";
        CannonsDistanceDisplay.text = cannonsController.CannonBallDistance.ToString();
    }
 void Start()
 {
     cannonsController = FindObjectOfType <CannonsController> ();
 }