internal static bool IsForbidden(VisibilityEdge e) { return e.IsPassable != null && !e.IsPassable() || e is TollFreeVisibilityEdge; }
private static bool IsPassable(VisibilityEdge edge) { return edge.IsPassable == null || edge.IsPassable(); }
static string GetEdgeColor(VisibilityEdge e, Port sourcePort, Port targetPort) { if (sourcePort == null || targetPort == null) return "green"; if (ApproximateComparer.Close(e.SourcePoint, sourcePort.Location) || ApproximateComparer.Close(e.SourcePoint, targetPort.Location) || ApproximateComparer.Close(e.TargetPoint, sourcePort.Location) || ApproximateComparer.Close(e.TargetPoint, targetPort.Location)) return "lightgreen"; return e.IsPassable == null || e.IsPassable() ? "green" : "red"; }