[rollulus]

That’s pretty nice. And impressive how this just runs on my iPad Air 2.

For anyone getting interested in distance functions and ray marching, whether it is in 2D or 3D, Inigo Quilez [1] is the authority in this field.

[1]: https://www.iquilezles.org/

[rjkaplan]

Thanks! I've learned a ton from iq's writing. He's such an inspiration!

I find that his articles are best for folks who already know a thing or two about computer graphics. Here's a post that I think is pretty good for beginners: http://jamie-wong.com/2016/07/15/ray-marching-signed-distanc...