Depends on the game. Nintendo stores most of their animation and particle effect data in a mostly declarative format which I've reverse engineered and reimpleme

Depends on the game. Nintendo stores most of their animation and particle effect data in a mostly declarative format which I've reverse engineered and reimplemented in TypeScript. For instance, the particle engine is here https://github.com/magcius/noclip.website/blob/master/src/Common/JSYSTEM/JPA.ts https://github.com/magcius/noclip.website/blob/master/src/Co...