private void initToggleRotateInput() {
        inputManager.addMapping(CameraInput.CHASECAM_TOGGLEROTATE, toggleRotateTrigger);
    }
invert the Horizontal axis movement of the mouse

@param invertXaxis true&rarr;inverted, false&rarr;not inverted
jme3-core/src/main/java/com/jme3/app/ChaseCameraAppState.java