public void setCurvedSurface(boolean set) {
        useCurvedSurface = set;
    }
Set if the GUI has to use curved surface.
@param set <code>true</code> if the GUI has to use curved surface and <code>false</code> otherwise.
@see #isCurverSurface()
jme3-vr/src/main/java/com/jme3/util/VRGuiManager.java