C++ RenderWindow::Display方法代码示例

void showCredits(sf::RenderWindow& app)
{
  Credits credit(app);

  //Credits loop
  while (app.IsOpened()) {

    //Process events
    sf::Event Event;

    //Window closed
    while (app.GetEvent(Event)) 
    {
      if(Event.Type == sf::Event::Closed)
        app.Close();

      //Escape key pressed
      if((Event.Type == sf::Event::KeyPressed) && (Event.Key.Code == sf::Key::Escape))	
        app.Close();
    }

    if (credit.showCredits())
    {
      app.Clear();
      credit.update();
      app.Display();
      continue;
    }
    else
    {
      break;
    }
  }
}

MainMenu::MenuResult MainMenu::Show(sf::RenderWindow& window)
{

  //Load menu image from file
  sf::Image image;
  image.LoadFromFile("images/mainmenu.png");
  sf::Sprite sprite(image);

  //Setup clickable regions

  //Play menu item coordinates
  MenuItem playButton;
  playButton.rect.Top= 145;
  playButton.rect.Bottom = 380;
  playButton.rect.Left = 0;
  playButton.rect.Right = 1023;
  playButton.action = Play;

  //Exit menu item coordinates
  MenuItem exitButton;
  exitButton.rect.Left = 0;
  exitButton.rect.Right = 1023;
  exitButton.rect.Top = 383;
  exitButton.rect.Bottom = 560;
  exitButton.action = Exit;
 
  _menuItems.push_back(playButton);
  _menuItems.push_back(exitButton);
 
  window.Draw(sprite);
  window.Display();

  return GetMenuResponse(window);
}

void SplashScreen::Show(sf::RenderWindow & renderWindow)
{
	sf::Image image;
	if(image.LoadFromFile("images/SplashScreen.png") != true)
	{
		return;
	}

	sf::Sprite sprite(image);

	renderWindow.Draw(sprite);
	renderWindow.Display();

	sf::Event event;
	while(true)
	{
		while(renderWindow.GetEvent(event))
		{
			if (event.Type == sf::Event::KeyPressed ||
				event.Type == sf::Event::MouseButtonPressed ||
				event.Type == sf::Event::Closed)
			{
				return;
			}
		}
	}
} // End Show

void draw(){
  _window.Clear();
  
  {
    sf::Rect<float> frect = sf::Rect<float>(0,0,window_width,window_height);
    _camera.SetFromRect(frect);
  }
  
  _window.Draw(_backgroundSprite);
  
  
  // draw the range shade
  _rangeSprite.SetPosition(current_pose.x + window_width/2, window_height/2 - current_pose.y);
  _window.Draw(_rangeSprite);
  
  // draw the landmarks
  for(unsigned int i=0; i<landmarks.size(); i++){
    _landmarkSprite.SetPosition(landmarks[i].x + window_width/2, window_height/2 - landmarks[i].y);
    _window.Draw(_landmarkSprite);
  }

  // draw the robot
  _robotSprite.SetPosition(current_pose.x + window_width/2, window_height/2 - current_pose.y);
  _robotSprite.SetRotation(current_pose.theta * 180 / M_PI);
  _window.Draw(_robotSprite);
  
  // draw the "other" robot
  _fakeRobotSprite.SetPosition(fake_current_pose.x + window_width/2, window_height/2 - fake_current_pose.y);
  _fakeRobotSprite.SetRotation(fake_current_pose.theta * 180 / M_PI);
  _window.Draw(_fakeRobotSprite);
  
  // display everything
  _window.Display();
}

void drawSplashScreen(sf::RenderWindow & renderWindow)
{	
  //renderWindow.Draw(sprite::splash);


    sf::String welcome;
    toSFString("You are a chicken. \n The french are advancing and \nwant to fry you with lasers.\n\n Space to shoot, Z to fire shotgun",
	       sf::Vector2f(200, 500),
	       &welcome,
	       sf::Color(255, 0, 0));

    renderWindow.Draw(welcome);
    renderWindow.Display();


    sf::Event event;
    bool running = true;
    while (running)
    {
	while(renderWindow.GetEvent(event))
	{
	    if(event.Type == sf::Event::KeyPressed 
	       || event.Type == sf::Event::MouseButtonPressed
	       || event.Type == sf::Event::Closed )
	    {
		return;
	    }
    
	}
    }
}

void SplashScreen::Show(sf::RenderWindow& renderWindow) {
	sf::Image image;
	if(image.LoadFromFile("C:\\Users\\Alex\\Documents\\Visual Studio 2010\\Projects\\PANG\\Debug\\images\\SplashScreen.png") != true)
		return;
	sf::Sprite sprite(image);

	renderWindow.Draw(sprite);
	renderWindow.Display();

	sf::Event event;
	sf::Clock clock;
	clock.Reset();
	/*while(true) 
	{
		renderWindow.GetEvent(event);
		if(event.Type == sf::Event::KeyPressed
			|| event.Type == sf::Event::MouseButtonPressed
			|| event.Type == sf::Event::Closed)			
		{
			return;
		}
	} */
	while (true) {
		if (clock.GetElapsedTime() >= 2.0f)
			return;
	}
}

void CreditState::Draw(sf::RenderWindow &Window)
{
	Window.Clear(sf::Color(250, 50, 150));

	Window.Draw(mSprite);

	Window.Display();
}

void ScreenMenu::Draw(sf::RenderWindow &App)
{
	App.Clear();
	App.Draw(backgroundSprite);
	App.Draw(menuPlay);
	App.Draw(menuCommandes);
	App.Draw(menuQuit);
	App.Display();
}

void Visual::drawGraphics(sf::RenderWindow& mainWindow, World& world)
{
	//mainWindow.Clear(sf::Color(50, 50, 50, 255)); //clear screen
	mainWindow.Clear(sf::Color::Black);

	drawWorld(mainWindow, world);
	textDisplay(mainWindow);

    mainWindow.Display(); //draw screen
}

int main(int argc, char** argv) {

    initOpenGL();
    loadAssets();
	handleInput();
	renderFrame();
    while (window.IsOpened()) {       
		window.Display();
    }
		
    return 0;
}

void IntroState::Draw(sf::RenderWindow &Window)
{
	Window.Clear();

	Window.Draw(mBgSprite);
	if( i < 20 )
		i = 0;
	else
		i -= 10;

	Window.Draw(sf::Shape::Rectangle(0, 0, WINWIDTH, WINHEIGHT, sf::Color(0,0,0,i)));

	Window.Display();
}

int Splash::Run(sf::RenderWindow &win, sf::VideoMode &vMode)
{
	Event events;
	while(win.IsOpened())
	{
		while(win.GetEvent(events))
		{
			if(events.Type == Event::Closed)
				win.Close();
			if(win.GetInput().IsKeyDown(Key::Space)) return 2;
		}
		if(m_scripter.RunScript(&m_splashBgImg, &m_splashBgSp) == 2) return 2;
		win.Clear();
		win.Draw(m_splashBgSp);
		win.Display();
	}
	return -1;
}

void MainMenuHandler::run(sf::RenderWindow& window) {
	ImageCache mainMenuImages;
	const sf::Image& logoImage = mainMenuImages.get(Path::findDataPath("graphics/logo.png"));

	// Entering main menu, no game should be running.
	GameHandler::instance.reset();

	// Make view that is as close to 640x480 as possible and centered.
	view = window.GetDefaultView();
	view.Zoom(std::min(view.GetRect().GetWidth() / 640, view.GetRect().GetHeight() / 480));
	view.SetCenter(view.GetHalfSize());
	window.SetView(view);

	window.SetFramerateLimit(30);

	// Position at the top of the window.
	sf::Sprite logoSprite(logoImage);
	logoSprite.SetCenter(logoImage.GetWidth() / 2, 0);
	logoSprite.SetPosition(window.GetView().GetRect().GetWidth() / 2, 1);

	// Build the main menu GUI.
	GUI::Container gui;
	gui.insert(boost::shared_ptr<GUI::Object>(new GUI::Button("New game", 200, 100, 240, 50, boost::bind(&MainMenuHandler::startGame, this))));
	gui.insert(boost::shared_ptr<GUI::Object>(new GUI::Button("Exit", 250, 170, 140, 50, boost::bind(&sf::RenderWindow::Close, boost::ref(window)))));

	menuClosed = false;
	while (window.IsOpened() && !menuClosed) {
		sf::Event e;
		if (window.GetEvent(e)) {
			if (gui.handleEvent(e, window)) {
				continue;
			}
			if (e.Type == sf::Event::Closed || (e.Type == sf::Event::KeyPressed && e.Key.Code == sf::Key::Escape)) {
				window.Close();
				continue;
			}
		} else {
			window.Clear(sf::Color(0xcc, 0x66, 0x33));
			window.Draw(logoSprite);
			gui.draw(window);
			window.Display();
		}
	}
}

void MenuState::Draw(sf::RenderWindow &Window)
{
	Window.Clear(sf::Color(50, 50, 150));

	Window.Draw(mBgSprite);

	// now, we draw our menu.
	for( int i = 0 ; i < mMenu.getMenuSize(); i++ )
	{
		if( i == mMenu.getSelectedItem() )
			mMenu.isSelected(i);
		else
			mMenu.isNotSelected(i);

		Window.Draw( mMenu.draw(i) );
	}

	Window.Display();
}

MainMenu::MenuResult MainMenu::Show(sf::RenderWindow& window)
{

	//Load menu image from file
	sf::Image image;
	image.LoadFromFile("images/MainScreen.png");
	sf::Sprite sprite(image);

	//Setup clickable regions

	//Play menu item coordinates
	MenuItem playButton1;
	playButton1.rect.Top= 35;
	playButton1.rect.Bottom =103;
	playButton1.rect.Left = 35;
	playButton1.rect.Right = 367;
	playButton1.action = Play1;

	MenuItem playButton2;
	playButton2.rect.Top= 130;
	playButton2.rect.Bottom = 198;
	playButton2.rect.Left = 35;
	playButton2.rect.Right = 367;
	playButton2.action = Play2;

	//Exit menu item coordinates
	MenuItem helpButton;
	helpButton.rect.Top = 213;
	helpButton.rect.Bottom = 282;
	helpButton.rect.Left = 35;
	helpButton.rect.Right = 367;
	helpButton.action = Help;

	_menuItems.push_back(playButton1);
	_menuItems.push_back(playButton2);
	_menuItems.push_back(helpButton);

	window.Draw(sprite);
	window.Display();

	return GetMenuResponse(window);
}