Thanks for the link! Always nice to have more references.

I'm also starting to get more ok with what I came up with.

I'm acknowledging that I can't be trusted with generic code, so I just removed most of it.

I'm not too far off your friend's ECS, but mine is probable even worst xd

Yes. It's made with Rust and I'm making my own renderer in Vulkan. For physics and collisions I'm using Rapier.