The Nim Ray Tracer Project --- Part 2: The Basics

[I have to tell that even after 34 years, Brian Eno’s ambient music is still so much better than 99.9999% of all recent electronic releases. Listening to Ambient 4: On Land from 1982; track #2 The Lost Day has a wonderfully creepy atmosphere…]
Table of contents The Basics Coordinate system Notation Transform matrices Calculating primary rays Ray-sphere intersection Ray-plane intersection In the next episode… Suggested reading The Basics Hello again!