Landela iLanga means "Follow the Sun" in Xhosa, it's a rust implentation of ray tracer based off of Ray Tracing in One Weekend
1-3: Generate PPM image
4: Ray based gradient image
5: Ray & sphere intersection, 6.1: Compute normals, 6.7: Multi object support, 7: Antialiasing
8.2 First render of a diffuse sphere, 8.6 Gamma corrected diffuse sphere
9.5 Specular reflection, 9.6 Fuzzed metal material
10.2 Dielectric that always refracts, 10.4 Glass with total internal reflection