// Start is called before the first frame update
 void Start()
 {
     instantiateRoads  = FindObjectOfType <InstantiateRoads>();
     instantiateTowers = FindObjectOfType <InstantiateTowers>();
     roadMask          = LayerMask.GetMask("Road");
     if (instantiateRoads.roadTiles.Count < instantiateRoads.maxRoads)
     {
         ShootRays();
     }
 }
 void Start()
 {
     instantiateTowers = FindObjectOfType <InstantiateTowers>();
     slider            = gameObject.GetComponent <Slider>();
     if (buildingGenerator != null)
     {
         minSliderValue = buildingGenerator.blockSpacing;
     }
     slider.minValue = minSliderValue;
 }