API reference
IFingerAPI Interface
Provides a standardized interface for tracking and measuring finger-based interactions in the Interaction SDK.
This interface enables different implementation methods for detecting palm grab, pinching, finger curl, and other hand poses. See Oculus
Member Functions
bool GetFingerIsGrabbing
( HandFinger finger )
Determines if a specific finger is currently in a grabbing state.
Parameters
finger
The HandFinger to check for grabbing state.
Returns
True if the specified finger is grabbing, false otherwise.
bool GetFingerIsGrabbingChanged
( HandFinger finger,
bool targetPinchState )
Detects changes in a finger's grabbing state relative to a target state.
Parameters
finger
The HandFinger to check for state changes.
targetPinchState
The target grab state to compare against.
Returns
True if the finger's grab state has changed to match the target state.
float GetFingerGrabScore
( HandFinger finger )
Retrieves a normalized score indicating how strongly a finger is grabbing.
Parameters
finger
The HandFinger to evaluate.
Returns
A value between 0 and 1, where 0 indicates no grab and 1 indicates maximum grab strength.
Vector3 GetWristOffsetLocal ( )
Gets the local space offset from the wrist position for grab calculations.
Returns
The offset vector in local space coordinates.
void Update
( IHand hand )
Updates the finger API with the latest hand tracking data.
Parameters
hand
The IHand tracking data to process.
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Virtual reality / Meta Horizon
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Virtual reality / Meta Horizon
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