A Quil sketch designed to replicate the demo 5.17: Introduction to Matter.js - The Nature of Code using ClojureScript.
A discussion on it is available on my blog, starting with the post at https://bunkham.com/matter-patience-adventures-quil-clojurescript-matter-js/
Run lein compile command and open index.html in your browser.
For interactive development run lein figwheel command. This command will be recompiling cljs to js each time you modify core.cljs and you can see result immediately on the page servered at http://localhost:3449.