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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 enum TYPE
		{
			THUMB = 0,	 // The thumb
			INDEX = 1,	 // The index or fore-finger
			MIDDLE = 2,  // The middle finger
			RING = 3,	 // The ring finger
			PINKY = 4,	 // The pinky or little finger
			NUM_TYPES,
		};
	
		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.

struct

Fields

  • enum TYPE -
    • THUMB - thumb
    • INDEX - index or fore finger
    • MIDDLE - middle finger
    • RING - ring finger
    • PINKY - pinky or little finger
    • NUM_TYPES - total number of finger types.
    For example, to specify the middle finger, write Finger.TYPE.MIDDLE.
  • int id - Identifier of the finger.
    Notice
    Finger 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.
  • int type - Finger type. One of the Finger.TYPE values.
  • float length - Length of the finger, in meters.
  • float width - Width of the finger, in meters.
  • int is_extended - Value indicating if the finger is extended.
  • int is_valid - Value indicating if the finger contains valid tracking data.
  • vec3 tip_position - Coordinates of the instantaneous position of the finger tip.
    Notice
    All coordinates are relative to the origin of the Leap Motion coordinate system.
  • vec3 tip_velocity - 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 - Current pointing direction vector of the finger.
    Notice
    All coordinates are relative to the origin of the Leap Motion coordinate system.
  • vec3 stabilized_tip_position - 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.
  • LeapMotion.Bone[] bones - Array of bones of the finger. Elements of the array can be accessed using Bone.TYPE values as indices.
Last update: 2024-12-13
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