I always start out with a simple raytracer / path tracer (spheres only). It's always nice to see visuals appear (in a file or on screen). It's like a complimen

I always start out with a simple raytracer / path tracer (spheres only). It's always nice to see visuals appear (in a file or on screen). It's like a compliment for the work done. And you will learn a lot of basic stuff like loops, scope, types, and so on.