Mercurial > hg > Game > Games

comparison Orchestland/Assets/OVR/Scripts/OVRTracker.cs @ 1:f7675884f2a1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add Orchestland project
author Daiki OYAKAWA <e135764@ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2015 23:09:20 +0900
parents
children
comparison
equal deleted inserted replaced
0:347d21cdfc22 1:f7675884f2a1
1 /************************************************************************************
2
3 Copyright : Copyright 2014 Oculus VR, LLC. All Rights reserved.
4
5 Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
6 you may not use the Oculus VR Rift SDK except in compliance with the License,
7 which is provided at the time of installation or download, or which
8 otherwise accompanies this software in either electronic or hard copy form.
9
10 You may obtain a copy of the License at
11
12 http://www.oculusvr.com/licenses/LICENSE-3.2
13
14 Unless required by applicable law or agreed to in writing, the Oculus VR SDK
15 distributed under the License is distributed on an "AS IS" BASIS,
16 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 See the License for the specific language governing permissions and
18 limitations under the License.
19
20 ************************************************************************************/
21
22 using System;
23 using System.Runtime.InteropServices;
24 using UnityEngine;
25 using Ovr;
26
27 /// <summary>
28 /// An infrared camera that tracks the position of a head-mounted display.
29 /// </summary>
30 public class OVRTracker
31 {
32 /// <summary>
33 /// The (symmetric) visible area in front of the tracker.
34 /// </summary>
35 public struct Frustum
36 {
37 /// <summary>
38 /// The tracker cannot track the HMD unless it is at least this far away.
39 /// </summary>
40 public float nearZ;
41 /// <summary>
42 /// The tracker cannot track the HMD unless it is at least this close.
43 /// </summary>
44 public float farZ;
45 /// <summary>
46 /// The tracker's horizontal and vertical fields of view in degrees.
47 /// </summary>
48 public Vector2 fov;
49 }
50
51 /// <summary>
52 /// If true, a tracker is attached to the system.
53 /// </summary>
54 public bool isPresent
55 {
56 get {
57 #if !UNITY_ANDROID || UNITY_EDITOR
58 return (OVRManager.capiHmd.GetTrackingState().StatusFlags & (uint)StatusBits.PositionConnected) != 0;
59 #else
60 return false;
61 #endif
62 }
63 }
64
65 /// <summary>
66 /// If true, the tracker can see and track the HMD. Otherwise the HMD may be occluded or the system may be malfunctioning.
67 /// </summary>
68 public bool isPositionTracked
69 {
70 get {
71 #if !UNITY_ANDROID || UNITY_EDITOR
72 return (OVRManager.capiHmd.GetTrackingState().StatusFlags & (uint)StatusBits.PositionTracked) != 0;
73 #else
74 return false;
75 #endif
76 }
77 }
78
79 /// <summary>
80 /// If this is true and a tracker is available, the system will use position tracking when isPositionTracked is also true.
81 /// </summary>
82 public bool isEnabled
83 {
84 get {
85 #if !UNITY_ANDROID || UNITY_EDITOR
86 uint trackingCaps = OVRManager.capiHmd.GetDesc().TrackingCaps;
87 return (trackingCaps & (uint)TrackingCaps.Position) != 0;
88 #else
89 return false;
90 #endif
91 }
92
93 set {
94 #if !UNITY_ANDROID || UNITY_EDITOR
95 uint trackingCaps = (uint)TrackingCaps.Orientation | (uint)TrackingCaps.MagYawCorrection;
96
97 if (value)
98 trackingCaps |= (uint)TrackingCaps.Position;
99
100 OVRManager.capiHmd.ConfigureTracking(trackingCaps, 0);
101 #endif
102 }
103 }
104
105 /// <summary>
106 /// Gets the tracker's viewing frustum.
107 /// </summary>
108 public Frustum frustum
109 {
110 get {
111 #if !UNITY_ANDROID || UNITY_EDITOR
112 HmdDesc desc = OVRManager.capiHmd.GetDesc();
113
114 return new Frustum
115 {
116 nearZ = desc.CameraFrustumNearZInMeters,
117 farZ = desc.CameraFrustumFarZInMeters,
118 fov = Mathf.Rad2Deg * new Vector2(desc.CameraFrustumHFovInRadians, desc.CameraFrustumVFovInRadians)
119 };
120 #else
121 return new Frustum
122 {
123 nearZ = 0.1f,
124 farZ = 1000.0f,
125 fov = new Vector2(90.0f, 90.0f)
126 };
127 #endif
128 }
129 }
130
131 /// <summary>
132 /// Gets the tracker's pose, relative to the head's pose at the time of the last pose recentering.
133 /// </summary>
134 public OVRPose GetPose(double predictionTime = 0d)
135 {
136 #if !UNITY_ANDROID || UNITY_EDITOR
137 double abs_time_plus_pred = Hmd.GetTimeInSeconds() + predictionTime;
138
139 return OVRManager.capiHmd.GetTrackingState(abs_time_plus_pred).CameraPose.ToPose();
140 #else
141 return new OVRPose
142 {
143 position = Vector3.zero,
144 orientation = Quaternion.identity
145 };
146 #endif
147 }
148 }