Forgot the actual shader!
www.shadertoy.com/view/33GyRV
A live session coding a procedural tower of bricks. Turned out ugly, I fixed it a bit in shadertoy after I closed the recording:
youtu.be/DAMiS2PGTEE
A little shadertoy of my favorite song+film
www.shadertoy.com/view/t3cfWf
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.
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:
If you only needed to serialize 64x64 pixel PNGs, you could use this:
Improvised a marble elevator with some lego technique and regular legos, for a lego duplos marble run we had around.
Here's some cute bounding box functions for 2D shapes. A longer list here: iquilezles.org/articles/bbo...
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!
