Unigine.Plugins.LeapMotion.Finger Struct

Notice

LeapMotion plugin must be loaded.

This structure represents a finger of a hand. All coordinates are relative to the origin of the Leap Motion coordinate system.

The Finger structure is declared as follows:

Source code (C#)

public struct Finger
	{
		public int id;
		public int type;
		public float length;
		public float width;
		public int is_extended;
		public int is_valid;
		public vec3 tip_position;
		public vec3 tip_velocity;
		public vec3 direction;
		public vec3 stabilized_tip_position;

		public Bone[] bones;
	};

Elements of the array of bones of the finger can be accessed using Bone::TYPE values as indices.

Properties:

Name	Description
int type	Returns the type of the finger.
int id	Returns the ID of the finger.
float length	Returns the length of the finger, in meters.
float width	Returns the width of the finger, in meters.
vec3 tip_position	Returns the coordinates of the instantaneous position of the finger tip.
vec3 stabilized_tip_position	Returns the coordinates of the finger tip position filtered and stabilized using velocity and past positions.
vec3 tip_velocity	Returns the instantaneous velocity of the finger tip, in m/s.
vec3 direction	Returns the current pointing direction vector of the finger.
int is_extended	Returns a value indicating if the finger is extended.
int is_valid	Returns a value indicating if the finger contains valid tracking data.

Methods:

Name	Description View: Sort by:

LeapMotionFinger Class

Enums

TYPE#

Name	Description
THUMB = 0	Thumb.
INDEX = 1	Index finger.
MIDDLE = 2	Middle finger.
RING = 3	Ring finger.
PINKY = 4	Pinky finger.
NUM_TYPES =	Total number of finger types.

Properties

int type#

Returns the type of the finger, one of the TYPE values.

int id#

Returns the ID of the finger.

NoticeFinger IDs are assigned based on the hand ID. If a hand has an ID of "5", then its fingers are assigned IDs 50 to 55, ordered from thumb to pinky.

float length#

Returns the length of the finger, in meters.

float width#

Returns the width of the finger, in meters.

vec3 tip_position#

Returns the coordinates of the instantaneous position of the finger tip.

Notice

All coordinates are relative to the origin of the Leap Motion coordinate system.

vec3 stabilized_tip_position#

Returns the coordinates of the finger tip position filtered and stabilized using velocity and past positions.

Notice

All coordinates are relative to the origin of the Leap Motion coordinate system.

vec3 tip_velocity#

Returns the instantaneous velocity of the finger tip, in m/s.

Notice

All coordinates are relative to the origin of the Leap Motion coordinate system.

vec3 direction#

Returns the current pointing direction vector of the finger.

Notice

All coordinates are relative to the origin of the Leap Motion coordinate system.

int is_extended#

Returns 1 if the finger is extended; otherwise, 0.

int is_valid#

Returns 1 if the finger contains valid tracking data; otherwise, 0.

Members

Last update: 2020-07-31

Help improve this article

Was this article helpful?

Report a problem related to this article

(or select a word/phrase and press Ctrl+Enter)