I used a recursive way: split the image area, calculate the edges for all, checking edges, and then either fill it, or call the function with the sub-areas's region.

Or you can set up a grid and calculate the chunks.

When I was learning a new language in my collage days, my helloworld used to be implementing a Mandelbrot/Julia set on the given language. A few months ago I decided to look into Rust and started to work on my helloworld in Rust, using RayLib :-)

Here's an example output from my version: https://ibb.co/p4bFF7S