private void CheckTowerAssignment()
{
Vector3 mousePos = cam.ScreenToWorldPoint(Input.mousePosition);
RaycastHit2D hit = Physics2D.Raycast(new Vector2(mousePos.x, mousePos.y), Vector2.zero, 0, TowerLayers);
if (hit)
{
Tower tempTower = hit.collider.gameObject.GetComponent <Tower>();
TroopPlaceholder temp;
if (tempTower.isUnitAssigned)
{
temp = tempTower.RemoveUnit();
if (!inventory.AddTroop(temp))
{
tempTower.AssignUnit(temp);
}
}
else
{
temp = inventory.PopHighlightedTroop();
if (temp != null)
{
tempTower.AssignUnit(temp);
}
}
}
}