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Alex Rivera
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How can I detect whether a line (direction d and -d from point p) and a line segment (between points p1 and p2) intersects in 2D? If they do, how can I get their intersection point. There are lots of example how to detect whether two line segments intersects but this should be even simpler case. I found this but I do not understand what is a side-operator: http://www.loria.fr/~lazard//ARC-Visi3D/Pant-project/files/Line_Segment_Line.html
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