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Re:Ray Casting – Polygon Containment by creack on Wednesday April 12, 2017 @03:39PM (#14101025)
404 and nothing in google cache / archive.org.
Re:Ray Casting – Polygon Containment by KennyCason on Wednesday April 12, 2017 @04:49PM (#14101610)
Oh no, It looks like my deploy failed midways through after. I probably should have left it as-is after posting to HN. :)

It's updated now.