Unigine.Plugins.UltraleapHand Class
Notice
Ultraleap plugin must be loaded.
Hands are the main entity tracked by the Ultraleap controller. The controller maintains an inner model of the human hand and validates the data from its sensors against this model. This allows the controller to track finger positions even when a finger is not completely visible.
Notice
It is possible for movement or changes in position to be lost when a finger is behind or directly in front of the hand (from the point of view of the controller).
The Ultraleap software matches the internal model against the existing data. In some cases, the software can make an incorrect match – for example, identifying a right hand as a left hand.
The Hand class represents a physical hand detected by the Leap and provides access to its attributes describing the hand position, orientation, and movement.
UltraleapHand Class
Enums
TYPE#
| Имя | Описание |
|---|---|
| LEFT = 0 | Left hand. |
| RIGHT = 1 | Right hand. |
| NUM_TYPES = 2 | Total number of hand types. |
Properties
UltraleapHand.TYPE Type#
The type of the hand. One of the TYPE values.
bool IsVisible#
The value indicating if the hand is visible to the Ultraleap Controller.
long VisibleTime#
The duration of time this Hand has been visible to the Ultraleap Controller.
float PinchDistance#
The distance between the thumb and index finger of a pinch hand pose.
float PinchStrength#
The holding strength of a pinch hand pose: 0 for an open hand, and blends to 1 when a pinching hand pose is recognized.
float GrabStrength#
The strength of a grab hand pose: 0 for an open hand, and blends to 1 when a grabbing hand pose is recognized.
float GrabAngle#
The angle between the fingers and the hand of a grab hand pose: 0 radian for an open hand, and reaches π radians when the pose is a tight fist.
double PalmWidth#
The width of the palm when the hand is in a flat position, in meters.
vec3 PalmPosition#
The coordinates of the position of the palm.
vec3 PalmStabilizedPosition#
The coordinates of the modified palm position with some additional smoothing and stabilization applied.
dvec3 PalmVelocity#
The rate of change of the palm position, in m/s.
vec3 PalmNormal#
The coordinates of the normal vector to the palm.
vec3 Direction#
The normalized direction from the palm position toward the fingers.
UltraleapArm Arm#
The object for the arm.
UltraleapFinger FingerThumb#
The object for the thumb.
UltraleapFinger FingerIndex#
The object for the index finger.
UltraleapFinger FingerMiddle#
The object for the middle finger.
UltraleapFinger FingerRing#
The object for the ring finger.
UltraleapFinger FingerPinky#
The object for the pinky finger.
Members
Last update:
14.12.2022
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