Writing a 16-Color VGA Raytracer for DOS

Bisqwit · Tutorial · YouTube title: I wrote a Raytracer for DOS, 16 VGA colors

Why it's here

HN fans praise Bisqwit as a favorite programming YouTuber and this video as an excellent look at dithering.

What it covers

Bisqwit writes a raytracer from scratch in C++ for DOS, rendering in the 16-color VGA palette at 640x480. The video also covers color quantization and ordered dithering.