Yup. Chapters got as hard as I remember
Tag: Raytracer 1
Chapter 1-5 in Go, the Raytracer Challenge
Back playing with the RayTracer challenge, moved to Go
Step by step, test driven development approach to Raytracing
Still working on the book. Man it's gotten tough.
I'm working through a book called the Ray Trace Challenge. Excellent for BDD. And someone used it to build a Ray Tracer in Excel. Madness.