Basic java raytracer based on the Raytracing in one weekend series and some other code I stole off the internet
Link to the original tutorials:
https://raytracing.github.io/books/RayTracingInOneWeekend.html
https://raytracing.github.io/books/RayTracingTheNextWeek.html
PPM viewer: https://www.cs.rhodes.edu/welshc/COMP141_F16/ppmReader.html