Equivalent to a 50 minute university lecture on Ray Tracing. Part 1 of 3. Part 2: https://www.youtube.com/watch?v=mTOllvinv-U 0:00 - intro 1:27 - tracing from the eye 1:48 - single bounce tracing 3:03 - reflection 3:21 - refraction 4:17 - ray tracer on the back of a business card Graphics in 5 minutes is a series of cartoon-style videos that teach computer graphics in 10x less time. You can take the equivalent of a University level computer graphics course in just over two hours. The playlist is here:    • Graphics in 5 minutes class   See here for more information: https://g5m.cs.washington.edu/