Adding Unity Projects

Roll-a-Ball is the baseline before my tutorial, Roll-a-Ball VR is the
final result if you follow my tutorial.

Roll a Ball VR/Assembly-CSharp-Editor.csproj

@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>10.0.20506</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <RootNamespace></RootNamespace>
+    <ProjectGuid>{64850916-A5EB-890D-3B9D-87714526B0E7}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <AssemblyName>Assembly-CSharp-Editor</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <BaseDirectory>Assets</BaseDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>Temp\bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;UNITY_5_3_2;UNITY_5_3;UNITY_5;ENABLE_NEW_BUGREPORTER;ENABLE_AUDIO;ENABLE_CACHING;ENABLE_CLOTH;ENABLE_FRAME_DEBUGGER;ENABLE_GENERICS;ENABLE_HOME_SCREEN;ENABLE_IMAGEEFFECTS;ENABLE_LIGHT_PROBES_LEGACY;ENABLE_MICROPHONE;ENABLE_MULTIPLE_DISPLAYS;ENABLE_PHYSICS;ENABLE_PLUGIN_INSPECTOR;ENABLE_SHADOWS;ENABLE_SINGLE_INSTANCE_BUILD_SETTING;ENABLE_SPRITERENDERER_FLIPPING;ENABLE_SPRITES;ENABLE_SPRITE_POLYGON;ENABLE_TERRAIN;ENABLE_RAKNET;ENABLE_UNET;ENABLE_UNITYEVENTS;ENABLE_VR;ENABLE_WEBCAM;ENABLE_WWW;ENABLE_CLOUD_SERVICES;ENABLE_CLOUD_SERVICES_ADS;ENABLE_CLOUD_HUB;ENABLE_CLOUD_PROJECT_ID;ENABLE_CLOUD_SERVICES_PURCHASING;ENABLE_CLOUD_SERVICES_ANALYTICS;ENABLE_CLOUD_SERVICES_UNET;ENABLE_CLOUD_SERVICES_BUILD;ENABLE_CLOUD_LICENSE;ENABLE_EDITOR_METRICS;ENABLE_EDITOR_METRICS_CACHING;INCLUDE_DYNAMIC_GI;INCLUDE_GI;INCLUDE_IL2CPP;INCLUDE_DIRECTX12;PLATFORM_SUPPORTS_MONO;ENABLE_LOCALIZATION;ENABLE_ANDROID_ATLAS_ETC1_COMPRESSION;ENABLE_EDITOR_TESTS_RUNNER;ENABLE_RUNTIME_GI;ENABLE_SUBSTANCE;ENABLE_GAMECENTER;ENABLE_NETWORK;ENABLE_LOG_MIXED_STACKTRACE;ENABLE_UNITYWEBREQUEST;ENABLE_TEXTUREID_MAP;PLAYERCONNECTION_LISTENS_FIXED_PORT;DEBUGGER_LISTENS_FIXED_PORT;PLATFORM_SUPPORTS_ADS_ID;SUPPORT_ENVIRONMENT_VARIABLES;PLATFORM_SUPPORTS_PROFILER;PLATFORM_HAS_NO_SUPPORT_FOR_BUCKET_ALLOCATOR;STRICTCPP_NEW_DELETE_SIGNATURES;WWW_USE_CURL;HAS_NEON_SKINNIG;UNITY_INPUT_SIMULATE_EVENTS;PLATFORM_ALWAYS_USES_STDOUT_FOR_LOG;ENABLE_UNITYADS_RUNTIME;UNITY_UNITYADS_API;UNITY_IOS;UNITY_IPHONE;UNITY_IPHONE_API;SUPPORT_MULTIPLE_DISPLAYS;ENABLE_IL2CPP;ENABLE_PROFILER;UNITY_ASSERTIONS;UNITY_EDITOR;UNITY_EDITOR_64;UNITY_EDITOR_OSX;ENABLE_IOS_ON_DEMAND_RESOURCES;ENABLE_IOS_APP_SLICING;ENABLE_DUCK_TYPING</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <NoWarn>0169</NoWarn>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>Temp\bin\Release\</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <NoWarn>0169</NoWarn>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.XML" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="UnityEngine">
+      <HintPath>/Applications/Unity/Unity.app/Contents/Frameworks/Managed/UnityEngine.dll</HintPath>
+    </Reference>
+    <Reference Include="UnityEditor">
+      <HintPath>/Applications/Unity/Unity.app/Contents/Frameworks/Managed/UnityEditor.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+     <Compile Include="Assets\Cardboard\Editor\CardboardAudioListenerEditor.cs" />
+     <Compile Include="Assets\Cardboard\Editor\CardboardAudioRoomEditor.cs" />
+     <Compile Include="Assets\Cardboard\Editor\CardboardAudioSourceEditor.cs" />
+     <Compile Include="Assets\Cardboard\Editor\CardboardEditor.cs" />
+     <Compile Include="Assets\Cardboard\Editor\CardboardMenu.cs" />
+     <Compile Include="Assets\Cardboard\Editor\CardboardSetup.cs" />
+     <Compile Include="Assets\Cardboard\Editor\StereoControllerEditor.cs" />
+     <None Include="Assets\Cardboard\Resources\SkyboxMesh.shader" />
+     <None Include="Assets\Cardboard\Distortion\CardboardDistortion.cginc" />
+     <None Include="Assets\Cardboard\Resources\UnlitTexture.shader" />
+     <None Include="Assets\Plugins\Android\AndroidManifest.xml" />
+     <None Include="Assets\Cardboard\Resources\UI\CardboardReticleShader.shader" />
+     <None Include="Assets\Cardboard\Resources\SolidColor.shader" />
+ <Reference Include="UnityEditor.Advertisements">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/Advertisements/Editor/UnityEditor.Advertisements.dll</HintPath>
+ </Reference>
+ <Reference Include="nunit.framework">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/EditorTestsRunner/Editor/nunit.framework.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.EditorTestsRunner">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/EditorTestsRunner/Editor/UnityEditor.EditorTestsRunner.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEngine.UI">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/GUISystem/UnityEngine.UI.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.UI">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/GUISystem/Editor/UnityEditor.UI.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEngine.Networking">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/Networking/UnityEngine.Networking.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.Networking">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/Networking/Editor/UnityEditor.Networking.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.TreeEditor">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/TreeEditor/Editor/UnityEditor.TreeEditor.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.Graphs">
+ <HintPath>/Applications/Unity/Unity.app/Contents/Frameworks/Managed/UnityEditor.Graphs.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.iOS.Extensions">
+ <HintPath>/Applications/Unity/PlaybackEngines/iOSSupport/UnityEditor.iOS.Extensions.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEditor.OSXStandalone.Extensions">
+ <HintPath>/Applications/Unity/PlaybackEngines/MacStandaloneSupport/UnityEditor.OSXStandalone.Extensions.dll</HintPath>
+ </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="Assembly-CSharp.csproj">
+      <Project>{50A21834-D5F2-BC30-C7A9-C7DD134926C2}</Project>      <Name>Assembly-CSharp</Name>    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+
+</Project>

Roll a Ball VR/Assembly-CSharp.csproj

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>10.0.20506</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <RootNamespace></RootNamespace>
+    <ProjectGuid>{50A21834-D5F2-BC30-C7A9-C7DD134926C2}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <AssemblyName>Assembly-CSharp</AssemblyName>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <BaseDirectory>Assets</BaseDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>Temp\bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;UNITY_5_3_2;UNITY_5_3;UNITY_5;ENABLE_NEW_BUGREPORTER;ENABLE_AUDIO;ENABLE_CACHING;ENABLE_CLOTH;ENABLE_FRAME_DEBUGGER;ENABLE_GENERICS;ENABLE_HOME_SCREEN;ENABLE_IMAGEEFFECTS;ENABLE_LIGHT_PROBES_LEGACY;ENABLE_MICROPHONE;ENABLE_MULTIPLE_DISPLAYS;ENABLE_PHYSICS;ENABLE_PLUGIN_INSPECTOR;ENABLE_SHADOWS;ENABLE_SINGLE_INSTANCE_BUILD_SETTING;ENABLE_SPRITERENDERER_FLIPPING;ENABLE_SPRITES;ENABLE_SPRITE_POLYGON;ENABLE_TERRAIN;ENABLE_RAKNET;ENABLE_UNET;ENABLE_UNITYEVENTS;ENABLE_VR;ENABLE_WEBCAM;ENABLE_WWW;ENABLE_CLOUD_SERVICES;ENABLE_CLOUD_SERVICES_ADS;ENABLE_CLOUD_HUB;ENABLE_CLOUD_PROJECT_ID;ENABLE_CLOUD_SERVICES_PURCHASING;ENABLE_CLOUD_SERVICES_ANALYTICS;ENABLE_CLOUD_SERVICES_UNET;ENABLE_CLOUD_SERVICES_BUILD;ENABLE_CLOUD_LICENSE;ENABLE_EDITOR_METRICS;ENABLE_EDITOR_METRICS_CACHING;INCLUDE_DYNAMIC_GI;INCLUDE_GI;INCLUDE_IL2CPP;INCLUDE_DIRECTX12;PLATFORM_SUPPORTS_MONO;ENABLE_LOCALIZATION;ENABLE_ANDROID_ATLAS_ETC1_COMPRESSION;ENABLE_EDITOR_TESTS_RUNNER;ENABLE_RUNTIME_GI;ENABLE_SUBSTANCE;ENABLE_GAMECENTER;ENABLE_NETWORK;ENABLE_LOG_MIXED_STACKTRACE;ENABLE_UNITYWEBREQUEST;ENABLE_TEXTUREID_MAP;PLAYERCONNECTION_LISTENS_FIXED_PORT;DEBUGGER_LISTENS_FIXED_PORT;PLATFORM_SUPPORTS_ADS_ID;SUPPORT_ENVIRONMENT_VARIABLES;PLATFORM_SUPPORTS_PROFILER;PLATFORM_HAS_NO_SUPPORT_FOR_BUCKET_ALLOCATOR;STRICTCPP_NEW_DELETE_SIGNATURES;WWW_USE_CURL;HAS_NEON_SKINNIG;UNITY_INPUT_SIMULATE_EVENTS;PLATFORM_ALWAYS_USES_STDOUT_FOR_LOG;ENABLE_UNITYADS_RUNTIME;UNITY_UNITYADS_API;UNITY_IOS;UNITY_IPHONE;UNITY_IPHONE_API;SUPPORT_MULTIPLE_DISPLAYS;ENABLE_IL2CPP;ENABLE_PROFILER;UNITY_ASSERTIONS;UNITY_EDITOR;UNITY_EDITOR_64;UNITY_EDITOR_OSX;ENABLE_IOS_ON_DEMAND_RESOURCES;ENABLE_IOS_APP_SLICING</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <NoWarn>0169</NoWarn>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>Temp\bin\Release\</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <NoWarn>0169</NoWarn>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.XML" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="UnityEngine">
+      <HintPath>/Applications/Unity/Unity.app/Contents/Frameworks/Managed/UnityEngine.dll</HintPath>
+    </Reference>
+    <Reference Include="UnityEditor">
+      <HintPath>/Applications/Unity/Unity.app/Contents/Frameworks/Managed/UnityEditor.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+     <Compile Include="Assets\Cardboard\Legacy\Scripts\CardboardOnGUI.cs" />
+     <Compile Include="Assets\Cardboard\Legacy\Scripts\CardboardOnGUIMouse.cs" />
+     <Compile Include="Assets\Cardboard\Legacy\Scripts\CardboardOnGUIWindow.cs" />
+     <Compile Include="Assets\Cardboard\Legacy\Scripts\SkyboxMesh.cs" />
+     <Compile Include="Assets\Cardboard\Legacy\Scripts\StereoLensFlare.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Audio\CardboardAudio.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Audio\CardboardAudioListener.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Audio\CardboardAudioRoom.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Audio\CardboardAudioSource.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Cardboard.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\CardboardEye.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\CardboardHead.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\CardboardPostRender.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\CardboardPreRender.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\CardboardProfile.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\GazeInputModule.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\Pose3D.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\StereoController.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\StereoRenderEffect.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\UI\CardboardReticle.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\UI\ICardboardPointer.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\BaseAndroidDevice.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\BaseCardboardDevice.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\BaseVRDevice.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\CardboardAndroidDevice.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\CardboardiOSDevice.cs" />
+     <Compile Include="Assets\Cardboard\Scripts\VRDevices\UnityEditorDevice.cs" />
+     <Compile Include="Assets\Scripts\CameraController.cs" />
+     <Compile Include="Assets\Scripts\CardboardModeManager.cs" />
+     <Compile Include="Assets\Scripts\GameplayMenu.cs" />
+     <Compile Include="Assets\Scripts\GroundTriggers.cs" />
+     <Compile Include="Assets\Scripts\PlayerController.cs" />
+     <Compile Include="Assets\Scripts\Rotator.cs" />
+     <None Include="Assets\Cardboard\Resources\SkyboxMesh.shader" />
+     <None Include="Assets\Cardboard\Distortion\CardboardDistortion.cginc" />
+     <None Include="Assets\Cardboard\Resources\UnlitTexture.shader" />
+     <None Include="Assets\Plugins\Android\AndroidManifest.xml" />
+     <None Include="Assets\Cardboard\Resources\UI\CardboardReticleShader.shader" />
+     <None Include="Assets\Cardboard\Resources\SolidColor.shader" />
+ <Reference Include="UnityEngine.UI">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/GUISystem/UnityEngine.UI.dll</HintPath>
+ </Reference>
+ <Reference Include="UnityEngine.Networking">
+ <HintPath>/Applications/Unity/Unity.app/Contents/UnityExtensions/Unity/Networking/UnityEngine.Networking.dll</HintPath>
+ </Reference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+
+</Project>

Roll a Ball VR/Assets/Cardboard/Distortion/CardboardDistortion.cginc

@@ -0,0 +1,62 @@
+// Copyright 2015 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.
+
+
+// To use in a surface shader, add the following text to the code:
+//
+// #pragma surface ... vertex:vert         <-- add "vertex:vert" to this line
+// #include "CardboardDistortion.cginc"    <-- copy the next 4 lines
+// void vert (inout appdata_base v) {
+//   v.vertex = undistortSurface(v.vertex);
+// }
+
+// To use in a vertex shader, modify it as follows:
+//
+// #include "CardboardDistortion.cginc"  <-- add this
+//
+// v2f vert (appdata_blah v) {
+//   v2f o;
+//   o.vertex = undistortVertex(v.vertex);    <-- replace "mul(UNITY_MATRIX_MVP, v.vertex)"
+//   ...
+//   return o;
+// }
+
+float4    _Undistortion;
+float     _MaxRadSq;
+float     _NearClip;
+float4x4  _RealProjection;
+float4x4  _FixProjection;
+
+// Convert point from world space to undistorted camera space.
+float4 undistort(float4 pos) {
+  // Go to camera space.
+  pos = mul(UNITY_MATRIX_MV, pos);
+  if (pos.z <= -_NearClip) {  // Reminder: Forward is -Z.
+    // Undistort the point's coordinates in XY.
+    float r2 = clamp(dot(pos.xy, pos.xy) / (pos.z*pos.z), 0, _MaxRadSq);
+    pos.xy *= 1 + (_Undistortion.x + _Undistortion.y*r2)*r2;
+  }
+  return pos;
+}
+
+// Multiply by no-lens projection matrix after undistortion.
+float4 undistortVertex(float4 pos) {
+  return mul(_RealProjection, undistort(pos));
+}
+
+// Surface shader hides away the MVP multiplication, so we have
+// to multiply by _FixProjection = inverse(MVP)*_RealProjection.
+float4 undistortSurface(float4 pos) {
+  return mul(_FixProjection, undistort(pos));
+}

Roll a Ball VR/Assets/Cardboard/Editor/CardboardAudioListenerEditor.cs

@@ -0,0 +1,60 @@
+// Copyright 2015 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.
+
+using UnityEngine;
+using UnityEditor;
+using System.Collections;
+
+/// A custom editor for properties on the CardboardAudioListener script. This appears in the
+/// Inspector window of a CardboardAudioListener object.
+[CustomEditor(typeof(CardboardAudioListener))]
+public class CardboardAudioListenerEditor : Editor {
+  private SerializedProperty globalGainDb = null;
+  private SerializedProperty quality = null;
+  private SerializedProperty worldScale = null;
+
+  private GUIContent globalGainLabel = new GUIContent("Global Gain (dB)",
+     "Sets the global gain of the system. Can be used to adjust the overall output volume.");
+  private GUIContent qualityLabel = new GUIContent("Quality",
+     "Sets the quality mode in which the spatial audio will be rendered. " +
+     "Higher quality modes allow for increased fidelity at the cost of greater CPU usage.");
+  private GUIContent worldScaleLabel = new GUIContent("World Scale",
+     "Sets the ratio between game units and real world units (meters).");
+
+  void OnEnable () {
+    globalGainDb = serializedObject.FindProperty("globalGainDb");
+    quality = serializedObject.FindProperty("quality");
+    worldScale = serializedObject.FindProperty("worldScale");
+  }
+
+  /// @cond
+  public override void OnInspectorGUI () {
+    serializedObject.Update();
+
+    // Rendering quality can only be modified through the Inspector in Edit mode.
+    GUI.enabled = !EditorApplication.isPlaying;
+    EditorGUILayout.PropertyField(quality, qualityLabel);
+    GUI.enabled = true;
+
+    EditorGUILayout.Separator();
+
+    EditorGUILayout.Slider(globalGainDb, CardboardAudio.minGainDb, CardboardAudio.maxGainDb,
+                           globalGainLabel);
+    EditorGUILayout.Slider(worldScale, CardboardAudio.minWorldScale, CardboardAudio.maxWorldScale,
+                           worldScaleLabel);
+
+    serializedObject.ApplyModifiedProperties();
+  }
+  /// @endcond
+}