How to use

render

method

in

com.jme3.scene.control.Control

/**
 * Called when the Spatial is about to be rendered, to notify
 * controls attached to this Spatial using the Control.render() method.
 *
 * @param rm The RenderManager rendering the Spatial.
 * @param vp The ViewPort to which the Spatial is being rendered to.
 *
 * @see Spatial#addControl(com.jme3.scene.control.Control)
 * @see Spatial#getControl(java.lang.Class)
 */
public void runControlRender(RenderManager rm, ViewPort vp) {
  if (controls.isEmpty()) {
    return;
  }
  for (Control c : controls.getArray()) {
    c.render(rm, vp);
  }
}

@Override
protected void controlRender(RenderManager rm, ViewPort vp) {
  for (BatchedGeometry batchedGeometry : children) {
    for (int i = 0; i < batchedGeometry.getNumControls(); i++) {
      batchedGeometry.getControl(i).render(rm, vp);
    }
  }
}

/**
 * Called when the Spatial is about to be rendered, to notify
 * controls attached to this Spatial using the Control.render() method.
 *
 * @param rm The RenderManager rendering the Spatial.
 * @param vp The ViewPort to which the Spatial is being rendered to.
 *
 * @see Spatial#addControl(com.jme3.scene.control.Control)
 * @see Spatial#getControl(java.lang.Class)
 */
public void runControlRender(RenderManager rm, ViewPort vp) {
  if (controls.isEmpty()) {
    return;
  }
  for (Control c : controls.getArray()) {
    c.render(rm, vp);
  }
}

/**
 * Called when the Spatial is about to be rendered, to notify
 * controls attached to this Spatial using the Control.render() method.
 *
 * @param rm The RenderManager rendering the Spatial.
 * @param vp The ViewPort to which the Spatial is being rendered to.
 *
 * @see Spatial#addControl(com.jme3.scene.control.Control)
 * @see Spatial#getControl(java.lang.Class) 
 */
public void runControlRender(RenderManager rm, ViewPort vp) {
  if (controls.isEmpty()) {
    return;
  }
  for (Control c : controls.getArray()) {
    c.render(rm, vp);
  }
}