private void finalizeCamera(Vector3f eyePos, Vector3f obsPosition, Camera cam) {
        finalRotation.mult(eyePos, finalPosition);
        finalPosition.addLocal(hmdPos);
        if( obsPosition != null ) finalPosition.addLocal(obsPosition);
        finalPosition.y += getHeightAdjustment();
        cam.setFrame(finalPosition, finalRotation);
    }
Place the camera within the scene.
@param eyePos the eye position.
@param obsPosition the observer position.
@param cam the camera to place.
jme3-vr/src/main/java/com/jme3/input/vr/openvr/OpenVRViewManager.java