www.youtube.com/watch?v=71gn...
A few weeks ago I talked with the SF ACM SIGGRAPH Chapters on SDFs for creative workflows. While shorter, it covers a lot more ground than my interview at the Wookash podcast, and it's more structured too. And I did some live coding too. I hope you enjoy it!
If you only needed to serialize 64x64 pixel PNGs, you could use this:
Forgot the actual shader!
www.shadertoy.com/view/33GyRV
I've found this cute approximation for arctan(x). I'm not suggesting you should use it, all I'm saying is it's cute.
Improvised a marble elevator with some lego technique and regular legos, for a lego duplos marble run we had around.
A little shadertoy of my favorite song+film
www.shadertoy.com/view/t3cfWf
This is an improved design, with paddles at 100 degree or so, which improves throughput by almost 4x (can't do 90 degrees because paddles collide), and make a fun wavy pattern:
Here's some cute bounding box functions for 2D shapes. A longer list here: iquilezles.org/articles/bbo...