@Override
    public Matrix4f getHMDMatrixPoseRightEye(){
        if( hmdPoseRightEye != null ) {
            return hmdPoseRightEye;
        } else {
            HmdMatrix34 mat = HmdMatrix34.create();
            VRSystem.VRSystem_GetEyeToHeadTransform(VR.EVREye_Eye_Right, mat);
            hmdPoseRightEye = new Matrix4f();
            return convertSteamVRMatrix3ToMatrix4f(mat, hmdPoseRightEye);
        }
    }
Initialize the headset camera.
@param allowed <code>true</code> is the use of the headset camera is allowed and <code>false</code> otherwise.
@return token for camera
jme3-vr/src/main/java/com/jme3/input/vr/lwjgl_openvr/LWJGLOpenVR.java