Marching Squares

While I was trying to find methods to render voxels I came across an algorithm called Marching Cubes. Marching Cubes was originally developed to recreate medical scans. Marching Cubes is used in the popular game, Astroneer. I wanted to learn how to make Marching Cubes by starting with Marching Squares which is a 2D version.

Check it out here:

https://www.khanacademy.org/computer-programming/marching-squares-20/5107060733591552