// Start is called before the first frame update
    void Start()
    {
        rangeDif     = clearRange.GetDifference();
        blockMat     = GetComponent <Renderer>().material;
        blockedColor = blockMat.GetColor("_Color");
        //This transform is where we will be reading the distance from
        OverlayAdjuster overlay = null;

        if ((overlay = GetComponentInParent <OverlayAdjuster>()) != null)
        {
            distanceFrom = overlay.transform;
        }
    }