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annotate Orchestland/Assets/LeapMotion/Scripts/Hands/SkeletalHand.cs @ 1:f7675884f2a1

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Add Orchestland project
author Daiki OYAKAWA <e135764@ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2015 23:09:20 +0900
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1 /******************************************************************************\
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2 * Copyright (C) Leap Motion, Inc. 2011-2014. *
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3 * Leap Motion proprietary. Licensed under Apache 2.0 *
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4 * Available at http://www.apache.org/licenses/LICENSE-2.0.html *
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5 \******************************************************************************/
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7 using UnityEngine;
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8 using System.Collections;
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9 using Leap;
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11 /**
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12 * A hand object consisting of discrete, component parts.
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13 *
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14 * The hand can have game objects for the palm, wrist and forearm, as well as fingers.
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15 */
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16 public class SkeletalHand : HandModel {
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17
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18 protected const float PALM_CENTER_OFFSET = 0.0150f;
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19
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20 void Start() {
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21 // Ignore collisions with self.
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22 Leap.Utils.IgnoreCollisions(gameObject, gameObject);
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24 for (int i = 0; i < fingers.Length; ++i) {
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25 if (fingers[i] != null) {
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26 fingers[i].fingerType = (Finger.FingerType)i;
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27 }
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28 }
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29 }
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31 /** Updates the hand and its component parts by setting their positions and rotations. */
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32 public override void UpdateHand() {
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33 SetPositions();
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34 }
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36 protected Vector3 GetPalmCenter() {
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37 Vector3 offset = PALM_CENTER_OFFSET * Vector3.Scale(GetPalmDirection(), transform.localScale);
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38 return GetPalmPosition() - offset;
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39 }
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40
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41 protected void SetPositions() {
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42 for (int f = 0; f < fingers.Length; ++f) {
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43 if (fingers[f] != null)
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44 fingers[f].UpdateFinger();
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45 }
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46
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47 if (palm != null) {
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48 palm.position = GetPalmCenter();
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49 palm.rotation = GetPalmRotation();
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50 }
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51
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52 if (wristJoint != null) {
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53 wristJoint.position = GetWristPosition();
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54 wristJoint.rotation = GetPalmRotation();
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55 }
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56
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57 if (forearm != null) {
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58 forearm.position = GetArmCenter();
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59 forearm.rotation = GetArmRotation();
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60 }
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61 }
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62 }
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