This raytracer was written to test out the numerl library https://github.com/tanguyl/numerl as well as get used to Erlang, writing the raytracer https://raytracing.github.io/books/RayTracingInOneWeekend.html.
A working Erlang env and rebar3 (https://github.com/erlang/rebar3).
Create a simple ppm picture.
raytracer:render().