public void UpdateBoxSelection(Vector3 s1, Vector3 s2, SelectionCriteria selectionCriteria = null)
{
for (int i = 0; i < selectionListeners.Count; i++)
{
var selectionListener = selectionListeners[i];
var selectable = selectionListener.selectable;
if (selectionCriteria != null && SelectionCriteria.isValidSelection(selectionCriteria, selectable))
{
Vector3 p = Camera.main.WorldToScreenPoint(selectable.transform.position);
Vector2 s1p = Vector2.Min(s1, s2);
Vector2 s2p = Vector2.Max(s1, s2);
bool selected = s1p.x <= p.x && p.x <= s2p.x && s1p.y <= p.y && p.y <= s2p.y;
// update and notify only selection changes
if (selected)
{
Select(selectable); // no need to check selectable again
}
else
{
Deselect(selectable);
}
}
else
{
// not valid selection
}
}
}
public void Select(Selectable selectable, SelectionCriteria selectionCriteria = null)
{
if (!selectable.isSelected && SelectionCriteria.isValidSelection(selectionCriteria, selectable))
{
selectable.Select();
}
}
