void OnFrameSelectionUpdate(FrameSelecting selecting)
{
Assert.AreEqual(_frameSelecting, selecting);
SelectionFrame.gameObject.SetActive(true);
SelectionFrame.anchoredPosition = selecting.Min;
SelectionFrame.sizeDelta = selecting.Max - selecting.Min;
}
void OnFrameSelectionEnd(FrameSelecting selecting)
{
Assert.AreEqual(_frameSelecting, selecting);
SetSelection(FindSelectables(selecting));
SelectionFrame.gameObject.SetActive(false);
_frameSelecting = null;
}
IEnumerable <Selectable> FindSelectables(FrameSelecting selecting)
{
var p1 = WorldRaycaster.RaycastGround(selecting.Min);
var p2 = WorldRaycaster.RaycastGround(selecting.Max);
var size = p2 - p1;
size.y = 10;
var b = new Bounds((p1 + p2) / 2, size);
return(WorldRaycaster.OverlapBox <Selectable>(b));
}
public IFrameSelecting BeginFrameSelection(Vector2 startPoint)
{
if (_frameSelecting != null)
{
_frameSelecting.OnUpdate -= OnFrameSelectionUpdate;
_frameSelecting.OnEnd -= OnFrameSelectionEnd;
_frameSelecting.End();
}
_frameSelecting = new FrameSelecting(startPoint);
_frameSelecting.OnUpdate += OnFrameSelectionUpdate;
_frameSelecting.OnEnd += OnFrameSelectionEnd;
return(_frameSelecting);
}
