iNode.setCullMode(useModel ? Spatial.CULL_ALWAYS : Spatial.CULL_DYNAMIC); iNode2.setCullMode(useModel ? Spatial.CULL_DYNAMIC : Spatial.CULL_ALWAYS);
iNode.setCullMode(useModel ? SceneElement.CULL_ALWAYS : SceneElement.CULL_DYNAMIC); iNode2.setCullMode(useModel ? SceneElement.CULL_DYNAMIC : SceneElement.CULL_ALWAYS);
  protected void simpleUpdate() {    if (KeyBindingManager        .getKeyBindingManager()        .isValidCommand("switch_models", false)) {      useModel = !useModel;      iNode.setCullMode(useModel ? Spatial.CULL_ALWAYS : Spatial.CULL_DYNAMIC);      iNode2.setCullMode(useModel ? Spatial.CULL_DYNAMIC : Spatial.CULL_ALWAYS);    }  }