public void setEnabled(boolean enable) {
        this.enabled = enable;
    }
Enables or disables this ViewPort.

<p>Disabled ViewPorts are skipped by the {@link RenderManager} when
rendering. By default, all viewports are enabled.

@param enable If the viewport should be disabled or enabled.
jme3-core/src/main/java/com/jme3/renderer/ViewPort.java