- https://en.wikipedia.org/wiki/Recursion_(computer_science)
- https://www.artsnova.com/Processing_Recursion_Tutorial.html
- https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life
- https://www.artnome.com/news/2020/7/12/the-game-of-life-emergence-in-generative-art
- https://en.wikipedia.org/wiki/Tessellation
- https://openprocessing.org/user/184331?view=sketches&o=48
- geometric shapes
- particles
- bezier curves
- noise (perlin, simplex, etc.)
- distance functions