Modelling Agent Behaviour with Bevy Behave

Recently, I've been building a game with Bevy in my spare time.I was looking to add interesting behaviour to the agents in my game, and came across a crate called Bevy Behave. 1I thought I'd spend a few hours to look into how it works by creating a little interactive demo, and some explanatory writing to go along with it.It quickly got out of hand, and the little demo I was planning to make became bigger than I intended.It was a fun adventure, and I am glad to have it running interactively inside this very blog post.The code examples assume familiarity with Rust and Bevy, but feel free to explore even if you're not — it's still entertaining to play around!The demoStarting it requires fetching a bunch of WebAssembly (around 12 MB uncompressed), so take care if you're tight on data.2To start the demo, tap this button:If everything worked correctly (🤞) you should see a bunch of grey squares in the background.This sets the stage for my demo.To adjust the opacity of the demo, you can use…