public List<ZPoint> Ray(ZPoint position, ZPoint.Direction d, int range, bool penetration)
{
List<ZPoint> result = new List<ZPoint>();
ZPoint p = position + d;
result.Add(position);
while ((IsFlat(p) || (penetration && Get(p) != null)) && MyMath.ManhattanDistance(p, position) <= range)
{
result.Add(p);
p += d;
}
if (!p.TheSameAs(position)) result.Add(p);
return result;
}
private void AddToFrontier(List<FramedZPoint> list, ZPoint zPoint, ZPoint.Direction d, ZPoint start, LocalObject t = null)
{
if (!IsWalkable(zPoint, t) && !zPoint.TheSameAs(start)) return;
FramedZPoint item = new FramedZPoint(zPoint, d, true);
var query = from p in list where p.data.TheSameAs(zPoint) select p;
if (query.Count() == 0) list.Add(item);
}