Although this doesn't quite answer your question, I had a lot of fun playing with TogetherJS a few years ago; it made taking advantage of webrtc for a collabora

Although this doesn't quite answer your question, I had a lot of fun playing with TogetherJS a few years ago; it made taking advantage of webrtc for a collaborative web game/tool pretty straightforward. https://togetherjs.com/ https://togetherjs.com/