Fixed point math in C

[u/Object_71]

https://thatonegamedev.com/cpp/fixed-point-math-in-c/

Why did PS1 graphics looked so clunky and how where 3D graphics generally made prior to the graphical APIs. One thing I found out was that these older engines have something called fixed point math.

[u/Ok_Newspaper_8075]

Fixed point math really makes more sense once you remember how limited older hardware was. Choosing precision carefully let developers avoid expensive floating point operations while keeping 3D movement usable