private void AddIntersections(List <SuperWayIntersection> list, List <Way> superWay, bool inner)
{
bool prevIsInside = false;
if (sector.ContainsCoord(nodes[superWay.First().refs.First()]))
{
throw new NotImplementedException();
}
if (sector.ContainsCoord(nodes[superWay.Last().refs.Last()]))
{
throw new NotImplementedException();
}
for (int i = 0; i < superWay.Count; i++)
{
for (int j = 1; j < superWay[i].refs.Count; j++)
{
long prev = superWay[i].refs[j - 1];
long next = superWay[i].refs[j];
if (sector.BorderContainsCoord(nodes[next]))
{
if (prevIsInside) // close-out a line
{
list.Add(new SuperWayIntersection()
{
intersection = nodes[next], leaving = true, superWay = superWay, inner = inner
});
}
else // start up a new line
{
list.Add(new SuperWayIntersection()
{
intersection = nodes[next], leaving = false, superWay = superWay, inner = inner
});
}
prevIsInside = !prevIsInside;
}
}
}
}