Hi! I'm sorry I took down the web client shortly after I write this in order to narrow my focus on the client codebase. I realize I ruined my point about being able to compare the client performance. I'm editing the post shortly.

I've been curious about elixir for years. Since maybe 2016. I tried in the days before AI, but I couldn't really get over the hump of syntax and BEAM and all of that.

I'd read it was the kind of thing that would be good for games, but I didn't really understand why until AI helped me build this.

A room is a GenServer. Which means its a process. Which means the unit of gameplay matches the unit of compute, kinda. That's really great. You can't really do that with node. Well, I guess with Durable Objects / PartyKit you have a closer match there.

There is a matchmaker process that runs. It assigns your socket to a room. But yeah, after that, your socket is exchanging messages with that room.

Because arrow physics are simple, the client predicts how it thinks the server will say things will be, and reconciles if / when wrong when it hears from the server about the room state.