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copied!<p>Yes, I have built for Glass directly from Unity. It works pretty well.</p> <ul> <li><p>Set the minimum SDK to API 15, set the orientation to Landscape Left, and (optionally) set the Game view size to 640 x 360.</p></li> <li><p>Unity's Input.gyro will work with the gyroscope in the device, so you can rotate the Unity camera to match for fun augmented reality effects.</p></li> <li><p>Use the AndroidInput.GetSecondaryTouch() static method to get touches on the Glass touchpad. You can easily detect individual taps on with AndroidInput.touchCountSecondary. </p></li> <li><p>Like any GDK app, you will need to create the resource files for the voice trigger. Create the folder "Assets/Plugins/Android/res/xml" and the voice trigger XML resource. Mine is:</p></li> </ul> <p>Plugins/Android/res/xml/my_voice_trigger.xml:</p> <pre><code><?xml version="1.0" encoding="utf-8"?> <trigger command="PLAY_A_GAME"> </trigger> </code></pre> <p>Finally, you need to add the voice trigger to the app manifest. Copy the default AndroidManifest.xml from inside the Unity app bundle (Unity.app/Contents/PlaybackEngines/AndroidDevelopmentPlayer) to Assets/Plugins/Android and modify it to use the voice trigger XML, by putting the follow block into the activity tag:</p> <pre><code><intent-filter> <action android:name="com.google.android.glass.action.VOICE_TRIGGER" /> </intent-filter> <meta-data android:name="com.google.android.glass.VoiceTrigger" android:resource="@xml/my_voice_trigger" /> </code></pre> <h2>Building</h2> <p>Plug your Google Glass into a USB cable, and "File > Build and Run" works on the device. (One note of warning: a serious 3D scene will get the GPU pretty warm.) </p> <h2>Caveats</h2> <p>The KeyCode enumeration doesn't include Glass keys (i.e. the camera button) so you can't catch that in Unity without writing a subclass of UnityNativeActivity. </p>

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