public void ComputeStreetIntersections(List <List <Vector3> > streets)
{
intersections = new List <List <int> > ();
for (int i = 0; i < streets.Count; i++)
{
List <int> streetIntersections = new List <int> ();
for (int j = 0; j < streets.Count; j++)
{
for (int k = 0; k < streets [i].Count - 1; k++)
{
for (int t = 0; t < streets [j].Count - 1; t++)
{
Vector3 intersection = new Vector3();
if (Math3D.AreLineSegmentsCrossing(out intersection, streets [i] [k], streets [i] [k + 1], streets [j] [t], streets [j] [t + 1]))
{
streetIntersections.Add(j);
}
}
}
}
intersections.Add(streetIntersections);
}
}
