private static void GetRoads(RoadPlannerComponent roadPlanner, Point current, int distance)
{
if (distance <= 0)
{
return;
}
// if the current point doesn't have a road return empty list
if (!roadPlanner.IsRoadAt(current))
{
return;
}
if (_roadsConnected.Contains(current))
{
return;
}
_roadsConnected.Add(current);
// check each ortho location
GetRoads(roadPlanner, new Point(current.X - 1, current.Y), distance - 1);
GetRoads(roadPlanner, new Point(current.X, current.Y - 1), distance - 1);
GetRoads(roadPlanner, new Point(current.X + 1, current.Y), distance - 1);
GetRoads(roadPlanner, new Point(current.X, current.Y + 1), distance - 1);
}
public static List <Point> GetRoadsWithinDistance(RoadPlannerComponent roadPlanner, Point start, int distance)
{
_roadsConnected.Clear();
GetRoads(roadPlanner, start, distance);
return(_roadsConnected);
}
