What does the 'sqrt' equation mean?

[jafal]

Hi and welcome

This might explain how to us it

Terrain Generation

hi all how to make this shape if any one can help [1-norm] i found this equation : centerpoint (x1, y1) and a radius r, the height of the hill at the point (x2, y2) is equivalent to: [equation] how to use it to form this terrain can and how if i can using it in this code // Daniel Shiffman // http://codingtra.in // http://patreon.com/codingtrain // Code for: https://youtu.be/IKB1hWWedMk int cols, rows; int scl = 20; int w = 2000; int h = 1600; float flying = 0; float[][] terrain; voi…