Not only did they show that there exists exactly one magic function for each repulsive force, but they gave a recipe for how to make it. As with sphere packing, this construction provided an immediate ...

SDFs in 2D A signed distance function in 2D is more straightforward to reason about so we’ll cover it first. Additionally, it is helpful for font rendering in specific scenarios.

It is hard to visualize functions of complex numbers, so mathematicians often turn to color. For example, you can color the complex plane so that it looks like a rainbow wheel. The color of each point ...