// Event listener, called when selected item slot changed
public void OnSelectionChanged()
{
// Update background colors of the old and new selected slots
if (_lastSelected != null)
{
_lastSelected.backgroundImage.color = slotUnselectedColor;
}
_lastSelected = _slots[selectedSlotVar.Value];
_lastSelected.backgroundImage.color = slotSelectedColor;
_lastSelected.UpdateUI();
}
