Ray-traced glass and caustics | Coding adventure

Let's do some more ray-tracer coding and see if we can get it to render glass, and rainbows, and more! Support my work (and get early access to new videos and source code) on Patreon: https://www.patreon.com/SebastianLague Source code: https://github.com/SebLague/Ray-Tracing Credits: * Music: https://github.com/SebLague/Misc-Project-Info/blob/main/Coding-Adventures/GlassAndCaustics.txt * Frosted glass reference: https://youtu.be/fWAAOWTV1K0?si=KL-EnzSZ6mLVfuqn Chapters: 00:00 Intro 02:02 Glass 04:58 Glass Bugs 09:04 NaNs 11:51 Absorption 13:49 Frosted Glass 15:44 Glass Ball Test 21:14 Stack versus Stoch 22:55 Visualizing Caustics 25:42 Cardioid Caustic 27:04 Water Caustic 32:24 Rainbow 36:01 Spectral Experiment 40:46 Outro