It's been many years since writing this library. And I don't have time to dedicate to maintain it. On the up side, Matter.js has really stepped up and taken the spotlight of javascript physics. It has ...
The creator of PhysicsJS made a tutorial on how to create this game, but using the 0.5 version. I saw making it work using 0.7 as an opportunity to better learn the engine. The main changes were: ...