Previously: security engineer at Square, co-author of HackLang, put the 's' in https at Facebook. Maker of CTFs.
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from times past.
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Tools & games
I wrote a ray caster in Ruby for fun. Using SDL, this piece of code lets
you navigate a maze using your mouse.
Ray casting is the technique used by Wolfenstein 3D. It allows rendering
3D worlds with minimal computional work by assuming that all the walls are
perpendicular to the floor.
written in 1996 is a fun read!.