cNode.setForceCull(useModel); cNode2.setForceCull(!useModel);
cNode.setCullMode(useModel ? Spatial.CULL_ALWAYS : Spatial.CULL_DYNAMIC); cNode2.setCullMode(!useModel ? Spatial.CULL_ALWAYS : Spatial.CULL_DYNAMIC);
  protected void simpleUpdate() {    if (System.currentTimeMillis() - lastPress > 100) {      if (KeyBindingManager          .getKeyBindingManager()          .isValidCommand("detail_down")) {        if (useModel)          cNode2.setTargetRecord( (cNode2.getTargetRecord()) + 10);        else          cNode.setTargetRecord( (cNode.getTargetRecord()) + 25);        lastPress = System.currentTimeMillis();      }      if (KeyBindingManager          .getKeyBindingManager()          .isValidCommand("detail_up")) {        if (useModel)          cNode2.setTargetRecord( (cNode2.getTargetRecord()) - 10);        else          cNode.setTargetRecord( (cNode.getTargetRecord()) - 25);        lastPress = System.currentTimeMillis();      }    }    if (KeyBindingManager        .getKeyBindingManager()        .isValidCommand("switch_models", false)) {      useModel = !useModel;      cNode.setForceCull(useModel);      cNode2.setForceCull(!useModel);    }  }