intersection point if exists, null otherwise
From https://github.com/pgkelley4/line-segments-intersect This uses the vector cross product approach http://stackoverflow.com/a/565282/786339
Return the intersection point of 2 line segments
intersection point if exists, null otherwise
From https://github.com/pgkelley4/line-segments-intersect This uses the vector cross product approach http://stackoverflow.com/a/565282/786339
Return the intersection point of 2 line segments