It's an easy to use and general mathematical language for describing geometry. It lends itself easily to parametrization for things like procedural generation o

It's an easy to use and general mathematical language for describing geometry. It lends itself easily to parametrization for things like procedural generation of infinite variations or for animation. And it is very "local" so requires O(1) memory to evaluate. For a nonstandard use of the idea, see font rendering on the GPU with signed distance field textures: https://aras-p.info/blog/2017/02/15/Font-Rendering-is-Getting-Interesting/ https://aras-p.info/blog/2017/02/15/Font-Rendering-is-Gettin...