GvrCardboardHelpers.cs
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//-----------------------------------------------------------------------
// <copyright file="GvrCardboardHelpers.cs" company="Google Inc.">
// Copyright 2017 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// 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.
// </copyright>
//-----------------------------------------------------------------------
using System;
using System.Runtime.InteropServices;
using UnityEngine;
/// <summary>General Cardboard helper methods.</summary>
public class GvrCardboardHelpers
{
/// <summary>Manual recenter for Cardboard apps.</summary>
/// <remarks><para>
/// After recentering the camera's orientation will be given in the new recentered coordinate
/// system.
/// </para><para>
/// Do not use for Daydream apps as controller based recentering is handled automatically by
/// Google VR Services. <see cref="GvrControllerInput#recentered"/>
/// for details.
/// </para></remarks>
public static void Recenter()
{
#if UNITY_EDITOR
if (GvrEditorEmulator.Instance != null)
{
GvrEditorEmulator.Instance.Recenter();
}
#elif (UNITY_ANDROID || UNITY_IOS)
IntPtr gvrContextPtr = GvrSettings.GetValidGvrNativePtrOrLogError();
if (gvrContextPtr == IntPtr.Zero)
{
return;
}
gvr_reset_tracking(gvrContextPtr);
#endif // (UNITY_ANDROID || UNITY_IOS) && !UNITY_EDITOR
Debug.Log("Use GvrEditorEmulator for in-editor recentering");
}
/// <summary>Set the Cardboard viewer params.</summary>
/// <remarks>
/// Example URI for 2015 Cardboard Viewer V2:
/// "http://google.com/cardboard/cfg?p=CgZHb29nbGUSEkNhcmRib2FyZCBJL08gMjAxNR0rGBU9JQHegj0qEAAASEIAAEhCAABIQgAASEJYADUpXA89OggeZnc-Ej6aPlAAYAM".
/// </remarks>
/// <param name="viewerProfileUri">The URI to a cardboard viewer profile.</param>
public static void SetViewerProfile(String viewerProfileUri)
{
#if (UNITY_ANDROID || UNITY_IOS) && !UNITY_EDITOR
IntPtr gvrContextPtr = GvrSettings.GetValidGvrNativePtrOrLogError();
if (gvrContextPtr == IntPtr.Zero)
{
return;
}
gvr_set_default_viewer_profile(gvrContextPtr, viewerProfileUri);
#endif // (UNITY_ANDROID || UNITY_IOS) && !UNITY_EDITOR
Debug.Log("Unavailable for non-Android and non-iOS builds");
}
#if (UNITY_ANDROID || UNITY_IOS) && !UNITY_EDITOR
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
private static extern void gvr_reset_tracking(IntPtr gvr_context);
[DllImport(GvrActivityHelper.GVR_DLL_NAME)]
private static extern void gvr_set_default_viewer_profile(
IntPtr gvr_context,
[MarshalAs(UnmanagedType.LPStr)] string viewer_profile_uri);
#endif // (UNITY_ANDROID || UNITY_IOS) && !UNITY_EDITOR
}