Interesting.
Tangentially reminds me of my own animated GIF app that I made a while ago.
That’s the kind of thing that had me learn coding many years ago ( watching demoscene productions).
What platform does this compile on? Didn't work for me on a recent model M1 MacBook Pro.
(2011)
reminds me of stuff i based in basic when i was a kid
made me laugh to see "no raytracing", then immediate use of the perspective projection which is intersecting points and a plane along a ray lol...
Reminds me of this classic IOCCC entry implementing a flight simulator, where portions of the source code are formatted to resemble a plane:
https://www.ioccc.org/1998/banks.orig.c
https://www.ioccc.org/years.html#1998_banks