@Override
    public String getName() {
        String sign = negative ? "Negative" : "Positive";
        switch (mouseAxis){
            case MouseInput.AXIS_X: return "Mouse X Axis " + sign;
            case MouseInput.AXIS_Y: return "Mouse Y Axis " + sign;
            case MouseInput.AXIS_WHEEL: return "Mouse Wheel " + sign;
            default: throw new AssertionError();
        }
    }
Create a new <code>MouseAxisTrigger</code>.
<p>
@param mouseAxis Mouse axis. See AXIS_*** constants in {@link MouseInput}
@param negative True if listen to negative axis events, false if
listen to positive axis events.
jme3-core/src/main/java/com/jme3/input/controls/MouseAxisTrigger.java