It really depends on your level - this kind of graphics work is usually learned over many years.

Some sources

> Math & motion: – The Nature of Code https://natureofcode.com/ – Coding Math https://www.youtube.com/user/codingmath

> Shaders / math-based rendering: – The Book of Shaders https://thebookofshaders.com/ – Inigo Quilez https://iquilezles.org/

> Interactive explanations: – Red Blob Games https://www.redblobgames.com/

You can also find some insight into his work process here: https://x.com/BCiechanowski/status/1387827101294686210?s=20

Most people doing this level of work built their own tools over time, learned a bit here and there, and kept refining things throughout their career.