public void setyHotSpot(int yHotSpot) {
        this.yHotSpot = yHotSpot;
    }
Sets the cursor's Y axis coordinate for its hotspot.
@param yHotSpot the cursor's Y axis coordinate for its hotspot. Note that
the coordinate system is the same as OpenGL. 0, 0 being lower left.
jme3-core/src/plugins/java/com/jme3/cursors/plugins/JmeCursor.java