public void Update()
{
if (selectedUnits.Count() > 0)
{
Vector3 mouse = Input.mousePosition;
Ray castPoint = Camera.main.ScreenPointToRay(mouse);
RaycastHit hit;
bool result = Physics.Raycast(castPoint, out hit, Mathf.Infinity, layers);
if (result)
{
HandleHover(hit);
if (Input.GetMouseButtonDown(1))
{
HandleMouseClick(hit);
}
}
}
}