Manish Goregaokar

Hmm, seems like an Oculus implementation could similarly expose additional metacarpal joints instead of using a bone capsule here? Ideally we'd also have hand mesh tracking as a spec but...

As pointed out by @toji we may want to also expose simulated hands _without_ requiring user consent. It might be worth making this a feature level distinction, you can either...

There's some useful stuff about this in [this discussion](https://github.com/immersive-web/webxr-hands-input/pull/12#discussion_r384718318)

I feel like we could trigger select events with xy coordinates? Having xy coordinates would be useful for screen-space select events as well.

Oh, I was suggesting that we trigger select events _on the layer_, and we extend select events to also contain optional xy parameters when found on a layer. Or have...

Perhaps we should open an issue on the core spec about adding xy coordinates to input source events, and perhaps extending the targetraymode to include something new for layers (we...

So while discussing this with @asajeffrey we realized this might be trickier than "slap an `onselect` event on `XRLayer` and call it a day". Basically, WebXR doesn't really strongly define...

It also occurs to me that we may not just want select events, but also pointerOver, pointerOut, pointerMove events so that applications can render a reticle. Though for a reticle...

> If you want to do it in a projectionlayer on top, yes, you'd also need the position in 3D. > Maybe we need to provide both... Well, this is...

Supporting pointer move events might have a problem: that seems more of a performance pitfall (since you're hit testing every frame) compared to select events. I wonder if it should...