Fix segment2segment intersection.
ip.on.seg check was too strong and could return false because of accuracy loss.
Replace it with isPointInSegmentBox in order do not miss intersection point.
This should be enough because we know that point lays on the line containing segment.
Fix segment2segment intersection.
ip.on.segcheck was too strong and could return false because of accuracy loss. Replace it withisPointInSegmentBoxin order do not miss intersection point. This should be enough because we know that point lays on the line containing segment.