Meta Quest 3 gets two new hand tracking features with Multimodal and Wide Motion Mode.
The latest version of the Meta XR Core SDK (v62) introduces two hand tracking features that developers can now implement in their Quest Store and App Lab apps: Multimodal (MM) and Wide Motion Mode (WMM).
MM supports Quest 2 with Touch Pro controllers, Quest Pro, and Quest 3, while WMM supports only Quest 3. Unfortunately, MM and WMM cannot be used together.
MM allows simultaneous tracking of hands and controllers. Previously, the headset could track either the controllers or your hands, but not both at the same time. When using MM, automatic switching between these tracking modes is disabled, as is the ability to switch to hand tracking by double-tapping the controllers.
MM has a number of benefits:
Multimodal has some limitations. It is incompatible with
WMM expands the tracking volume of the hands by using the upper body tracking of the Quest 3 in the background. If the hands are outside the field of view of the tracking cameras or are obscured by objects, the position of the hands is estimated based on the tracked arms.
Social apps and interactions that require wide arm movements (swinging arms, throwing objects, or reaching for a virtual backpack or arrows) benefit the most from WMM.
As mentioned above, WMM is incompatible with MM.
Source: Mixed News
