code a DOOM-like engine from scratch #retro #gamedevelopment
75This is part I of the DOOM-like game engine from scratch tutorial.
It introduces the basics of 2.5D (Pseudo-3D) graphics rendering and movement mechanics. Also concepts such as portals, rendering, world transformations, and others.
You can download the source code from here: https://github.com/jeuxdemains/DOOM-like-game-engine-part-I
Some notes to keep in mind about Part I:
we do the minimal required work to get started
code style is not really the focus here
back-to-front rendering (i.e. Painter's algorithm) is a bad idea, it will be revisited in Part II
sorting sectors by their centroids with bubble sort is very inefficient and lacks precision -- it's there just to leave you with a bit more compete solution until part II comes out
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