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I wrote a Raytracer for DOS, 16 VGA colors

Bisqwit · tutorial · Watch on YouTube

Computer graphics & renderingDemoscene & retrocomputingC, C++, Rust, Go & systems languages

What it is

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.

Why Hacker News recommends it

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

  • 2 people recommended it
  • 2 different months
  • 2 strong recommendations
  • first 2019, last 2021

What HN commenters said

  1. “My favourite programming YouTuber by a long stretch.”

    Bisqwit builds a raytracer for DOS with 16 VGA colors

    petercooper, 2019-01 · Strong recommendation · in “Let’s Create a Speech Synthesizer in C++17 [video]”

  2. “Bisqwit's discussion of dithering is outstanding”

    Live-coded DOS raytracer in 16-color VGA from a dithering expert

    pdkl95, 2021-01 · Strong recommendation · in “Ditherpunk: The article I wish I had about monochrome image dithering”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: raytracer, dithering, c++, dos, vga

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