Shameless plug: a couple of years ago I implemented a node editor for distance functions and renderer as a final project for a UI course at uni. https://github.

Shameless plug: a couple of years ago I implemented a node editor for distance functions and renderer as a final project for a UI course at uni. https://github.com/frabert/MarchOfTheRays https://github.com/frabert/MarchOfTheRays Raymarching is a very interesting concept, no polygons at all!