private void onMouseMotionEventQueued(MouseMotionEvent evt, NiftyInputConsumer nic) {
        int wheel = evt.getDeltaWheel() / 120;
        x = evt.getX();
        y = height - evt.getY();
        nic.processMouseEvent(x, y, wheel, -1, false);
//        if (nic.processMouseEvent(niftyEvt) /*|| nifty.getCurrentScreen().isMouseOverElement()*/){
        // Do not consume motion events
        //evt.setConsumed();
//        }
    }
@param height The height of the viewport. Used to convert
bottom-left origin to upper-left origin.
jme3-niftygui/src/main/java/com/jme3/niftygui/InputSystemJme.java