Nothing. Just enjoy! You can change the coloring of the points by changing the color equation inside. It's basically a heightmap for a 3D graph!
This is super simple and only took me about 5 minutes to make, but after making it on a graphing calculator I thought I might as well make it colorful. :) Here's the graphing calculator version: https://www.desmos.com/calculator/qu3kbbffl2