Game Engine Black Book Wolfenstein 3D: v2.1 cover
Game Engine Black Book Wolfenstein 3D: v2.1
by Fabien Sanglard
Description: Game Engine Black Book Wolfenstein 3D: v2.1 examines the development and technical innovations behind Wolfenstein 3D, focusing on how id Software optimized hardware to achieve high-speed gameplay performance
ISBN: 1070515841
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sasas · 2022-12-22 · Original thread
LFSR algorithms are super interesting. Fabien Sanglard documents how it was used in Wolfenstein 3D's 'Fizzle effect' [1]. This is also covered in his book on the development of that game [2].

A detailed write up that goes into a bit of mathematics with code examples is 'Demystifying the LFSR' [3].

The 'Computerphile' Youtube channel did a whole episode on LFSR last year which is very accessible, highly recommended [4].

[1] https://fabiensanglard.net/fizzlefade/index.php

[2] https://www.amazon.com/Game-Engine-Black-Book-Wolfenstein/dp...

[3] https://www.moria.us/articles/demystifying-the-lfsr/

[4] https://www.youtube.com/watch?v=Ks1pw1X22y4