I highly suggest to follow these files in order. So that if you will follow, you catch-up with what I am going to do. In other words when I talk about progress indicators, I probably talked about ...

TL;DR I tried building something with gfx-rs (pre-ll) but I couldn't find any easy-to-understand examples of how to do that. I ported a game to learn how to do it, and to help teach others -- this is ...