--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Orchestland/Assets/OVR/Scripts/OVRTracker.cs	Fri Jul 17 23:09:20 2015 +0900
@@ -0,0 +1,148 @@
+/************************************************************************************
+
+Copyright   :   Copyright 2014 Oculus VR, LLC. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+using System;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using Ovr;
+
+/// <summary>
+/// An infrared camera that tracks the position of a head-mounted display.
+/// </summary>
+public class OVRTracker
+{
+	/// <summary>
+	/// The (symmetric) visible area in front of the tracker.
+	/// </summary>
+	public struct Frustum
+	{
+		/// <summary>
+		/// The tracker cannot track the HMD unless it is at least this far away.
+		/// </summary>
+		public float nearZ;
+		/// <summary>
+		/// The tracker cannot track the HMD unless it is at least this close.
+		/// </summary>
+		public float farZ;
+		/// <summary>
+		/// The tracker's horizontal and vertical fields of view in degrees.
+		/// </summary>
+		public Vector2 fov;
+	}
+
+	/// <summary>
+	/// If true, a tracker is attached to the system.
+	/// </summary>
+	public bool isPresent
+	{
+	    get {
+#if !UNITY_ANDROID || UNITY_EDITOR
+			return (OVRManager.capiHmd.GetTrackingState().StatusFlags & (uint)StatusBits.PositionConnected) != 0;
+#else
+			return false;
+#endif
+		}
+	}
+
+	/// <summary>
+	/// If true, the tracker can see and track the HMD. Otherwise the HMD may be occluded or the system may be malfunctioning.
+	/// </summary>
+	public bool isPositionTracked
+	{
+		get {
+#if !UNITY_ANDROID || UNITY_EDITOR
+			return (OVRManager.capiHmd.GetTrackingState().StatusFlags & (uint)StatusBits.PositionTracked) != 0;
+#else
+			return false;
+#endif
+		}
+	}
+
+	/// <summary>
+	/// If this is true and a tracker is available, the system will use position tracking when isPositionTracked is also true.
+	/// </summary>
+	public bool isEnabled
+	{
+		get {
+#if !UNITY_ANDROID || UNITY_EDITOR
+			uint trackingCaps = OVRManager.capiHmd.GetDesc().TrackingCaps;
+			return (trackingCaps & (uint)TrackingCaps.Position) != 0;
+#else
+			return false;
+#endif
+		}
+
+		set {
+#if !UNITY_ANDROID || UNITY_EDITOR
+			uint trackingCaps = (uint)TrackingCaps.Orientation | (uint)TrackingCaps.MagYawCorrection;
+
+			if (value)
+				trackingCaps |= (uint)TrackingCaps.Position;
+
+			OVRManager.capiHmd.ConfigureTracking(trackingCaps, 0);
+#endif
+		}
+	}
+
+	/// <summary>
+	/// Gets the tracker's viewing frustum.
+	/// </summary>
+	public Frustum frustum
+	{
+		get {
+#if !UNITY_ANDROID || UNITY_EDITOR
+			HmdDesc desc = OVRManager.capiHmd.GetDesc();
+
+			return new Frustum
+			{
+				nearZ = desc.CameraFrustumNearZInMeters,
+				farZ = desc.CameraFrustumFarZInMeters,
+				fov = Mathf.Rad2Deg * new Vector2(desc.CameraFrustumHFovInRadians, desc.CameraFrustumVFovInRadians)
+			};
+#else
+			return new Frustum
+			{
+				nearZ = 0.1f,
+				farZ = 1000.0f,
+				fov = new Vector2(90.0f, 90.0f)
+			};
+#endif
+		}
+	}
+
+	/// <summary>
+	/// Gets the tracker's pose, relative to the head's pose at the time of the last pose recentering.
+	/// </summary>
+	public OVRPose GetPose(double predictionTime = 0d)
+	{
+#if !UNITY_ANDROID || UNITY_EDITOR
+		double abs_time_plus_pred = Hmd.GetTimeInSeconds() + predictionTime;
+
+		return OVRManager.capiHmd.GetTrackingState(abs_time_plus_pred).CameraPose.ToPose();
+#else
+		return new OVRPose
+		{
+			position = Vector3.zero,
+			orientation = Quaternion.identity
+		};
+#endif
+	}
+}