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HandGrabPoseData Struct

Serializable data-only version of the HandGrabPose so it can be stored when instances are generated at Play-Mode (where Hand-tracking works).
This is used (among other uses) by UnityEditor tools to aid in the creation, saving, and loading of hand poses.

Fields

The 3D pose (position and orientation, as distinct from HandPose) which serves as the origin of the grip for the pose; in other words, this is the grab point from which the handPose should be considered to be offset.
The HandPose (joint/finger data, as distinct from 3D pose) which represents the intended shape of the hand when grabbing.
The hand scale for handPose.
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Virtual reality / Meta Horizon
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