Exemple #1
0
        public Hand makeHand(ref LEAP_HAND hand, Frame owningFrame)
        {
            LEAP_BONE arm = StructMarshal <LEAP_BONE> .PtrToStruct(hand.arm);

            Arm       newArm = makeArm(ref arm);
            LEAP_PALM palm   = StructMarshal <LEAP_PALM> .PtrToStruct(hand.palm);

            Hand newHand = new Hand(
                (int)owningFrame.Id,
                (int)hand.id,
                hand.confidence,
                hand.grab_strength,
                hand.grab_angle,
                hand.pinch_strength,
                hand.pinch_distance,
                palm.width,
                hand.type == eLeapHandType.eLeapHandType_Left,
                hand.visible_time,
                newArm,
                new List <Finger>(5),
                new Vector(palm.position.x, palm.position.y, palm.position.z),
                new Vector(palm.stabilized_position.x, palm.stabilized_position.y, palm.stabilized_position.z),
                new Vector(palm.velocity.x, palm.velocity.y, palm.velocity.z),
                new Vector(palm.normal.x, palm.normal.y, palm.normal.z),
                new Vector(palm.direction.x, palm.direction.y, palm.direction.z),
                newArm.NextJoint //wrist position
                );
            LEAP_DIGIT thumbDigit = StructMarshal <LEAP_DIGIT> .PtrToStruct(hand.thumb);

            newHand.Fingers.Insert(0, makeFinger(owningFrame, ref hand, ref thumbDigit, Finger.FingerType.TYPE_THUMB));

            LEAP_DIGIT indexDigit = StructMarshal <LEAP_DIGIT> .PtrToStruct(hand.index);

            newHand.Fingers.Insert(1, makeFinger(owningFrame, ref hand, ref indexDigit, Finger.FingerType.TYPE_INDEX));

            LEAP_DIGIT middleDigit = StructMarshal <LEAP_DIGIT> .PtrToStruct(hand.middle);

            newHand.Fingers.Insert(2, makeFinger(owningFrame, ref hand, ref middleDigit, Finger.FingerType.TYPE_MIDDLE));

            LEAP_DIGIT ringDigit = StructMarshal <LEAP_DIGIT> .PtrToStruct(hand.ring);

            newHand.Fingers.Insert(3, makeFinger(owningFrame, ref hand, ref ringDigit, Finger.FingerType.TYPE_RING));

            LEAP_DIGIT pinkyDigit = StructMarshal <LEAP_DIGIT> .PtrToStruct(hand.pinky);

            newHand.Fingers.Insert(4, makeFinger(owningFrame, ref hand, ref pinkyDigit, Finger.FingerType.TYPE_PINKY));

            return(newHand);
        }
    public static LEAP_HAND CreateHand(Hand hand) {
      LEAP_HAND leapHand = new LEAP_HAND();
      leapHand.id = (uint)hand.Id;
      leapHand.type = hand.IsLeft ? eLeapHandType.eLeapHandType_Right : eLeapHandType.eLeapHandType_Left; //HACK: flip due to coordinate space handedness
      leapHand.confidence = hand.Confidence;
      leapHand.visible_time = (uint)(hand.TimeVisible * 1000);
      leapHand.grab_angle = hand.GrabAngle;
      leapHand.grab_strength = hand.GrabStrength;
      leapHand.pinch_distance = hand.PinchDistance;
      leapHand.pinch_strength = hand.PinchStrength;

      LEAP_PALM palm = new LEAP_PALM();
      palm.position = new LEAP_VECTOR(hand.PalmPosition);
      palm.stabilized_position = Vector3.zero.ToCVector(); //HACK: stabilized position is sometimes NaN, ignore it
      palm.velocity = new LEAP_VECTOR(hand.PalmVelocity);
      palm.normal = new LEAP_VECTOR(hand.PalmNormal);
      palm.width = hand.PalmWidth;
      palm.direction = new LEAP_VECTOR(hand.Direction);

      leapHand.palm = palm;
      leapHand.arm = CreateBone(hand.Arm);

      for (int i = 0; i < hand.Fingers.Count; i++) {
        Finger finger = hand.Fingers[i];
        switch (finger.Type) {
          case Finger.FingerType.TYPE_THUMB:
            leapHand.thumb = CreateDigit(finger);
            break;
          case Finger.FingerType.TYPE_INDEX:
            leapHand.index = CreateDigit(finger);
            break;
          case Finger.FingerType.TYPE_MIDDLE:
            leapHand.middle = CreateDigit(finger);
            break;
          case Finger.FingerType.TYPE_RING:
            leapHand.ring = CreateDigit(finger);
            break;
          case Finger.FingerType.TYPE_PINKY:
            leapHand.pinky = CreateDigit(finger);
            break;
          default:
            throw new Exception("Unexpected Finger Type " + finger.Type);
        }
      }

      return leapHand;
    }