Raytracer following the "Ray Tracing in One Weekend" series by Peter Shirley, adding (in chronological order):
- jpg/png output using stb_image_write.h
- multithreading
- invisible light sources*
To-Do:
- PDFs for optimisation (see "Ray Tracing - The Rest of your Life")
- SDFs (see Inigo Quilez's webpage)
- GPU acceleration (see Roger Allen's upgrade)
- animations (maybe using Physics)
- GUI (Qt or something)
- good folder structure
