Hand controller/s component

[Truemedia]

Some XR headsets on the market offer support for hand gestures/hand tracking as a form of control interface, either as a primary or secondary of driving/interacting in mixed reality.

Currently well documented examples include the Apple vision pro which solely utilises hand gestures for the vast majority of operation, and the Meta quest 3 which allows hand tracking as an optional method for users to navigate operating system user interfaces, as-well as a subset of applications which support hand tracking as a secondary/supplementary form of interaction (support for this feature has to be explicitly coded by the developer).

I propose we create a set of components specifically for developers to enable/utilise hand tracking and gestures capabilities within their Tres XR applications. This would includes the following components:

• HandController.vue
  A component that enables the tracking/eventing of one hand, primary prop would specify which hand (left or right) that the component instance corresponds to.

• HandControllers.vue
  A parent component which encapsulates a pair of hand controller components to represent both a left hand and a right hand.

The components should comply with and make use of the WebXR hand input module spec https://www.w3.org/TR/webxr-hand-input-1/