- TrackPoint start = i->get_point(0);
- TrackPoint end = i->get_point(i->get_length());
- if(end.dir>start.dir+0.01 || end.dir<start.dir-0.01)
+ OrientedPoint start = i->get_point(0);
+ OrientedPoint end = i->get_point(i->get_length());
+ if(abs(end.rotation-start.rotation).radians()<0.01)