Class PinchDetector

Wraps PinchDetectionStrategy inside PinchDetectorStateMachine for pinch events

Index

Constructors

Accessors

onPinchCancel onPinchDown onPinchUp

Methods

getPinchStrength isPinching

Constructors

constructor

new PinchDetector(config: PinchDetectorConfig): PinchDetector
Parameters
- config: PinchDetectorConfig
Returns PinchDetector

Accessors

onPinchCancel

get onPinchCancel(): PublicApi<void>
Event called when the user's pinch is canceled by the system.

Returns PublicApi<void>

onPinchDown

get onPinchDown(): PublicApi<void>
Event called when the user has successfully pinched down.

Returns PublicApi<void>

onPinchUp

get onPinchUp(): PublicApi<void>
Event called when the user has released pinching after they have successfully pinched down.

Returns PublicApi<void>

Methods

getPinchStrength

getPinchStrength(): number
Returns a normalized value from 0-1, where: 0 is the distance from a finger tip to the thumb tip in resting/neutral hand pose. 1 is when a finger tip to thumb tip are touching/pinching

Returns number

isPinching

isPinching(): boolean
Determines if the user is pinching

Returns boolean