I think Havoc physics will be a very welcome addition. Threejs has an adjacent library based off of bullet physics -- a solid library, but one that can be a bit finicky to set up. Although, physics engines are inherently difficult to work with in the first place.
As a technical 3D artist, Babylon has been a great way to dive into web dev, and it parallels with standard game engines just enough that I can easily find my way around the documentation.
As a technical 3D artist, Babylon has been a great way to dive into web dev, and it parallels with standard game engines just enough that I can easily find my way around the documentation.