Advanced version

Added a more complex version of the game with a start screen and an
infinite option that will keep spawning collectibles.

CollectThemAll/.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

CollectThemAll/.gitignore

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+[Ll]ibrary/
+[Tt]emp/
+[Oo]bj/
+[Bb]uild/
+
+# Autogenerated VS/MD solution and project files
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+
+# Unity3D generated meta files
+*.pidb.meta
+
+# Unity3D Generated File On Crash Reports
+sysinfo.txt

CollectThemAll/Assets/Cardboard/Distortion/CardboardDistortion.cginc

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+// 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));
+}

CollectThemAll/Assets/Cardboard/Editor/CardboardAudioListenerEditor.cs

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+// 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
+}

CollectThemAll/Assets/Cardboard/Editor/CardboardAudioRoomEditor.cs

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+// 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 CardboardAudioRoom script. This appears in the Inspector
+/// window of a CardboardAudioRoom object.
+[CustomEditor(typeof(CardboardAudioRoom))]
+[CanEditMultipleObjects]
+public class CardboardAudioRoomEditor : Editor {
+  private SerializedProperty leftWall = null;
+  private SerializedProperty rightWall = null;
+  private SerializedProperty floor = null;
+  private SerializedProperty ceiling = null;
+  private SerializedProperty backWall = null;
+  private SerializedProperty frontWall = null;
+  private SerializedProperty reflectivity = null;
+  private SerializedProperty reverbGainDb = null;
+  private SerializedProperty reverbBrightness = null;
+  private SerializedProperty reverbTime = null;
+  private SerializedProperty size = null;
+
+  private GUIContent surfaceMaterialsLabel = new GUIContent("Surface Materials",
+      "Room surface materials to calculate the acoustic properties of the room.");
+  private GUIContent surfaceMaterialLabel = new GUIContent("Surface Material",
+      "Surface material used to calculate the acoustic properties of the room.");
+  private GUIContent reflectivityLabel = new GUIContent("Reflectivity",
+      "Adjusts what proportion of the direct sound is reflected back by each surface, after an " +
+      "appropriate delay. Reverberation is unaffected by this setting.");
+  private GUIContent reverbGainLabel = new GUIContent("Gain (dB)",
+      "Applies a gain adjustment to the reverberation in the room. The default value will leave " +
+      "reverb unaffected.");
+  private GUIContent reverbPropertiesLabel = new GUIContent("Reverb Properties",
+      "Parameters to adjust the reverb properties of the room.");
+  private GUIContent reverbBrightnessLabel = new GUIContent("Brightness",
+      "Adjusts the balance between high and low frequencies in the reverb.");
+  private GUIContent reverbTimeLabel = new GUIContent("Time",
+      "Adjusts the overall duration of the reverb by a positive scaling factor.");
+  private GUIContent sizeLabel = new GUIContent("Size", "Sets the room dimensions.");
+
+  void OnEnable () {
+    leftWall = serializedObject.FindProperty("leftWall");
+    rightWall = serializedObject.FindProperty("rightWall");
+    floor = serializedObject.FindProperty("floor");
+    ceiling = serializedObject.FindProperty("ceiling");
+    backWall = serializedObject.FindProperty("backWall");
+    frontWall = serializedObject.FindProperty("frontWall");
+    reflectivity = serializedObject.FindProperty("reflectivity");
+    reverbGainDb = serializedObject.FindProperty("reverbGainDb");
+    reverbBrightness = serializedObject.FindProperty("reverbBrightness");
+    reverbTime = serializedObject.FindProperty("reverbTime");
+    size = serializedObject.FindProperty("size");
+  }
+
+  /// @cond
+  public override void OnInspectorGUI () {
+    serializedObject.Update();
+
+    EditorGUILayout.LabelField(surfaceMaterialsLabel);
+    ++EditorGUI.indentLevel;
+    DrawSurfaceMaterial(leftWall);
+    DrawSurfaceMaterial(rightWall);
+    DrawSurfaceMaterial(floor);
+    DrawSurfaceMaterial(ceiling);
+    DrawSurfaceMaterial(backWall);
+    DrawSurfaceMaterial(frontWall);
+    --EditorGUI.indentLevel;
+
+    EditorGUILayout.Separator();
+
+    EditorGUILayout.Slider(reflectivity, 0.0f, CardboardAudio.maxReflectivity, reflectivityLabel);
+
+    EditorGUILayout.Separator();
+
+    EditorGUILayout.LabelField(reverbPropertiesLabel);
+    ++EditorGUI.indentLevel;
+    EditorGUILayout.Slider(reverbGainDb, CardboardAudio.minGainDb, CardboardAudio.maxGainDb,
+                           reverbGainLabel);
+    EditorGUILayout.Slider(reverbBrightness, CardboardAudio.minReverbBrightness,
+                           CardboardAudio.maxReverbBrightness, reverbBrightnessLabel);
+    EditorGUILayout.Slider(reverbTime, 0.0f, CardboardAudio.maxReverbTime, reverbTimeLabel);
+    --EditorGUI.indentLevel;
+
+    EditorGUILayout.Separator();
+
+    EditorGUILayout.PropertyField(size, sizeLabel);
+
+    serializedObject.ApplyModifiedProperties();
+  }
+  /// @endcond
+
+  private void DrawSurfaceMaterial (SerializedProperty surfaceMaterial) {
+#if UNITY_4_5
+    surfaceMaterialLabel.text = ObjectNames.NicifyVariableName(surfaceMaterial.name);
+#else
+    surfaceMaterialLabel.text = surfaceMaterial.displayName;
+#endif
+    EditorGUILayout.PropertyField(surfaceMaterial, surfaceMaterialLabel);
+  }
+}