//linked to onpointerclicked event in plane prefab
    public void HandleSelection()
    {
        PlaneSelector[] allPlanes = FindObjectsOfType <PlaneSelector>();

        foreach (PlaneSelector GO in allPlanes)
        {
            if (GO.IsSelected != selectedPlane)
            {
                GO.Deselect();
            }
            else
            {
                GO.Select();
                //AssignPlane(); //assigns this game object as selection and passes its' transform to the draw manager singleton
            }
        }
    }