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<h1 class="page">Virtual Reality</h1>
<div id="preamble">
<div class="sectionbody">
<div class="paragraph">
<p>Please see this <a href="https://hub.jmonkeyengine.org/t/official-vr-module/37830/67">forum post</a> for additional information on JME Official VR module.</p>
</div>
<div class="paragraph">
<p>jMonkeyEngine 3 has a wide range of support for Virtual Reality (VR). The known supported systems are:</p>
</div>
<div class="paragraph">
<p>HTC Vive and systems supporting SteamVR/OpenVR</p>
</div>
<div class="paragraph">
<p>Native Oculus Rift support (and through SteamVR)</p>
</div>
<div class="paragraph">
<p>Razer HDK and systems supporting OSVR</p>
</div>
<div class="paragraph">
<p>Google Cardboard / GoogleVR</p>
</div>
<div class="paragraph">
<p>Two implementations exist for OpenVR. A community maintained JNA based binding and LWJGL&#8217;s JNI based.</p>
</div>
<div class="paragraph">
<p>To use the JNA based bindings, put:</p>
</div>
<div class="literalblock">
<div class="content">
<pre>settings.put(VRConstants.SETTING_VRAPI, VRConstants.SETTING_VRAPI_OPENVR_VALUE);</pre>
</div>
</div>
<div class="paragraph">
<p>in your settings. To use LWJGL, instead put:</p>
</div>
<div class="literalblock">
<div class="content">
<pre>settings.put(VRConstants.SETTING_VRAPI, VRConstants.SETTING_VRAPI_OPENVR_LWJGL_VALUE);</pre>
</div>
</div>
<div class="paragraph">
<p>Note that the LWJGL bindings require LWJGL3 (jme3-lwjgl3) to be used.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="sample-application"><a class="anchor" href="#sample-application"></a>Sample Application</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">public class Main extends SimpleApplication {

    public static void main(String[] args) {
        AppSettings settings = new AppSettings(true);
        settings.put(VRConstants.SETTING_VRAPI, VRConstants.SETTING_VRAPI_OPENVR_LWJGL_VALUE);
        settings.put(VRConstants.SETTING_ENABLE_MIRROR_WINDOW, true);

        VREnvironment env = new VREnvironment(settings);
        env.initialize();

    	// Checking if the VR environment is well initialized
    	// (access to the underlying VR system is effective, VR devices are detected).
    	if (env.isInitialized()){
            VRAppState vrAppState = new VRAppState(settings, env);
            vrAppState.setMirrorWindowSize(1024, 800);
            Main app = new Main(vrAppState);
            app.setLostFocusBehavior(LostFocusBehavior.Disabled);
            app.setSettings(settings);
            app.setShowSettings(false);
            app.start();
        }
    }

    public Main(AppState... appStates) {
        super(appStates);
    }

    @Override
    public void simpleInitApp() {
        Box b = new Box(1, 1, 1);
        Geometry geom = new Geometry("Box", b);

        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
        mat.setColor("Color", ColorRGBA.Blue);
        geom.setMaterial(mat);

        rootNode.attachChild(geom);
    }

    @Override
    public void simpleUpdate(float tpf) {
        //TODO: add update code
    }

    @Override
    public void simpleRender(RenderManager rm) {
        //TODO: add render code
    }
}</code></pre>
</div>
</div>
<div class="paragraph">
<p>Project source: <a href="https://github.com/neph1/VRSampleApplication" class="bare">https://github.com/neph1/VRSampleApplication</a></p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="google-cardboard-vr-sdk-1-0-integration"><a class="anchor" href="#google-cardboard-vr-sdk-1-0-integration"></a>Google Cardboard VR SDK 1.0 integration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>gvr-android-jme (<a href="https://github.com/nordfalk/gvr-android-jme" class="bare">https://github.com/nordfalk/gvr-android-jme</a>)</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="legacy"><a class="anchor" href="#legacy"></a>Legacy</h2>
<div class="sectionbody">
<div class="paragraph">
<p>The following projects are not up to date, but may provide functionality not found in the other packages.
Google Cardboard up to version 0.6: <a href="https://github.com/neph1/jme-cardboard" class="bare">https://github.com/neph1/jme-cardboard</a></p>
</div>
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