int main( int argc, char** argv ) { // initialize the entire render system RenderSystem* render_system = RenderSystem::get(); QApplication app( argc, argv ); // make the render window RenderWidget* window = new RenderWidget( render_system ); window->setWindowTitle( "I hope this is not all black." ); QVBoxLayout* layout = new QVBoxLayout; layout->addWidget( window ); QPushButton* hide_button = new QPushButton( "hide" ); layout->addWidget( hide_button ); QPushButton* show_button = new QPushButton( "show" ); layout->addWidget( show_button ); QWidget container; container.setLayout( layout ); container.resize( 900, 600 ); container.show(); // Make a scene and show it in the window. Ogre::SceneManager* scene_manager = render_system->root()->createSceneManager( Ogre::ST_GENERIC ); Ogre::Entity* thing = scene_manager->createEntity( "thing", "rviz_cone.mesh" ); Ogre::SceneNode* node = scene_manager->getRootSceneNode()->createChildSceneNode(); node->attachObject( thing ); scene_manager->setAmbientLight( Ogre::ColourValue( .5, .5, .5 )); Ogre::Light* light = scene_manager->createLight( "light" ); light->setPosition( 20, 80, 50 ); Ogre::Camera* camera = scene_manager->createCamera( "SampleCam" ); camera->setPosition( Ogre::Vector3( 0, 0, 10 )); camera->lookAt( Ogre::Vector3( 0, 0, -300 )); camera->setNearClipDistance( 5 ); Ogre::Viewport* viewport = window->getRenderWindow()->addViewport( camera ); viewport->setBackgroundColour( Ogre::ColourValue( 0, 0, 1.0 )); camera->setAspectRatio( Ogre::Real( viewport->getActualWidth() ) / Ogre::Real( viewport->getActualHeight() )); // redraw every 33ms. QTimer timer; QObject::connect( &timer, SIGNAL(timeout()), window, SLOT(update()) ); timer.start( 33 ); RenderWidget window2( render_system ); window2.resize( 400, 400 ); window2.setWindowTitle( "I hope this is also not all black." ); window2.show(); hide_button->connect( hide_button, SIGNAL( clicked() ), &window2, SLOT( hide() )); show_button->connect( show_button, SIGNAL( clicked() ), &window2, SLOT( show() )); Ogre::Camera* camera2 = scene_manager->createCamera( "SampleCam2" ); camera2->setPosition( Ogre::Vector3( 0, 10, 0 )); camera2->setFixedYawAxis( false ); camera2->lookAt( Ogre::Vector3( 0, 0, 0 )); camera2->setNearClipDistance( 5 ); Ogre::Viewport* viewport2 = window2.getRenderWindow()->addViewport( camera2 ); viewport2->setBackgroundColour( Ogre::ColourValue( 0, 1.0, 0 )); camera2->setAspectRatio( Ogre::Real( viewport2->getActualWidth() ) / Ogre::Real( viewport2->getActualHeight() )); // redraw every 33ms. QTimer timer2; QObject::connect( &timer2, SIGNAL(timeout()), &window2, SLOT(update()) ); timer2.start( 33 ); // main loop return app.exec(); }