public List <BSPPortal> PurgePortals()
{
var portals = new List <BSPPortal>();
if (PosNode != null)
{
portals.AddRange(PosNode.PurgePortals());
PosNode = null;
}
if (NegNode != null)
{
portals.AddRange(NegNode.PurgePortals());
NegNode = null;
}
return(portals);
}
public void RemoveNonPortalNodes()
{
RootNode.LinkPortals(RootNode.PurgePortals());
}