private static void CalculateRoute(Route lastRoute, List <Route> routes, IEnumerable <Node> neighbours)
{
if (lastRoute.IsCompleted)
{
routes.Add(lastRoute);
}
else
{
foreach (Node node in neighbours)
{
if (lastRoute.AddCheck(node))
{
Route currentRoute = lastRoute.Copy();
currentRoute.AddUnchecked(node);
CalculateRoute(currentRoute, routes, neighbours);
}
}
}
}
