Show HN: HoloLens 2 pure JavaScript WebGL simulator (prototype)

Looks intriguing. But I hit quite a skill/learning barrier.

So perhaps start by showing a traditional video game key mapping and ui summary? Or better, since the interactions are so unfamiliar, perhaps a program-demo screen-capture video? Made with a tool that shows the keys pressed and mouse movement. Which would also occupy the initial half-minute load time.

My experience was one of baffled struggle, repeatedly trying things, and thinking "Well, that didn't seem to work... Is it not supposed to? Am I doing it wrong? Did I almost have it but hit slightly off? Is it modal? Does some key need to be held down? Was there a bug? ... I've no clue, since I've little idea what to expect." Thus the idea of a demo video. Answering "what does skilled use of this ui look like?".

Nice work! With a bit more you are almost to a Second Life style editing experience. I got 60fps when I used it, according to the meter. I am curious though what makes this a HoloLens simulator as opposed to a WebGL VR demo? Given the high price of HoloeLens from a consumer device perspective, getting an open source VR platform that's compatible with HoloLens APIs and possibly apps would be a big win.