public boolean isInVR() {
        return DISABLE_VR == false && (forceVR || VRSupportedOS && vrHardware != null && vrHardware.isInitialized());
    }
Check if the VR mode is enabled.
@return <code>true</code> if the VR mode is enabled and <code>false</code> otherwise.
jme3-vr/src/main/java/com/jme3/app/VRApplication.java