private void HandleSiteEvent(SiteEvent siteEvent)
{
EventTree.TreeNode node = _eventTree.GetClosest(this, _eventTree.GetRoot(), siteEvent);
if (node == null || node is EventTree.BreakpointNode)
{
return;
}
EventTree.LeafNode closest = (EventTree.LeafNode)node;
if (closest.GetDisappearEvent() != null)
{
_eventQueue.Delete(closest.GetDisappearEvent().GetHandle());
closest.SetDisappearEvent(null);
}
List <CircleEvent> circleEvents2 = _eventTree.InsertNewSiteEvent(closest, new TreeItem(siteEvent.V()));
foreach (var ce in circleEvents2)
{
IPriorityQueueHandle <IEvent> h = null;
_eventQueue.Add(ref h, ce);
ce.SetHandle(h);
}
}
private void HandleCircleEvent(CircleEvent circleEvent)
{
HalfEdge CL = circleEvent.L().GetHalfEdge();
if (CL.GetFace() == circleEvent.L().GetNode())
{
CL = CL.Twin();
}
HalfEdge CR = circleEvent.C().GetHalfEdge();
if (CR.GetFace() == circleEvent.R().GetNode())
{
CR = CR.Twin();
}
HalfEdge RC = CR.Twin();
RC.SetTarget(circleEvent);
CL.SetTarget(circleEvent);
circleEvent.halfEdge = CR;
EventTree.LeafNode prev = (EventTree.LeafNode)_eventTree.GetPreviousLeaf(circleEvent.GetCenterLeafNode());
EventTree.LeafNode next = (EventTree.LeafNode)_eventTree.GetNextLeaf(circleEvent.GetCenterLeafNode());
if (prev != null)
{
if (prev.GetDisappearEvent() != null)
{
_eventQueue.Delete(prev.GetDisappearEvent().GetHandle());
prev.SetDisappearEvent(null);
}
}
if (next != null)
{
if (next.GetDisappearEvent() != null)
{
_eventQueue.Delete(next.GetDisappearEvent().GetHandle());
next.SetDisappearEvent(null);
}
}
List <CircleEvent> newCircles = _eventTree.RemoveNode(circleEvent, prev, circleEvent.GetCenterLeafNode(), next);
if (newCircles != null)
{
foreach (CircleEvent ce in newCircles)
{
IPriorityQueueHandle <IEvent> h = null;
_eventQueue.Add(ref h, ce);
ce.SetHandle(h);
}
}
}
public CircleEvent(EventTree.LeafNode left, EventTree.LeafNode center, EventTree.LeafNode right)
{
this._leftNode = left;
this._rightNode = right;
this._centerNode = center;
_left = _leftNode.GetListItem().Copy();
_right = _rightNode.GetListItem().Copy();
_center = _centerNode.GetListItem().Copy();
CalculateCircle();
}
