-Increased speed of the snake

-Added FPS counter (can be toggled with F)

SnakePlusPlus/SnakePlusPlus/Framework.cpp

@@ -3,13 +3,17 @@
 
 sf::RenderWindow*	Framework::window = nullptr; //Set Window object to nullptr. If window is nullptr, the framework was not initialized.
 sf::Event			Framework::e = sf::Event();		
+sf::Clock			Framework::c = sf::Clock();
 sf::Font			Framework::m_font = sf::Font();
 sf::Text			Framework::m_gameOverText = sf::Text();
+sf::Text			Framework::m_FPS = sf::Text();
 
 Field				Framework::m_field = Field();
 Snake				Framework::m_snake = Snake();
 
 bool				Framework::m_gameOver = false;	// When the game starts, the game is not over
+bool				Framework::m_showFrametime = true;
+double				Framework::m_frametime = 0;
 
 
 Framework::~Framework()
@@ -30,15 +34,26 @@ ErrorType Framework::Initialize(unsigned int width, unsigned int height, std::st
 
 	// Set window properties
 	window = new sf::RenderWindow(sf::VideoMode(width, height), title, flags);
+	window->setFramerateLimit(-1);
+	window->setVerticalSyncEnabled(false);
 
 	//Load Font and create GameOver text
 	m_font.loadFromFile("font.ttf");
+
 	m_gameOverText.setFont(m_font);
 	m_gameOverText.setString("Game\nOver");
 	m_gameOverText.setCharacterSize(140);
 	m_gameOverText.setPosition(100, 200);
 	m_gameOverText.setColor(sf::Color(0, 0, 110));
 
+	m_FPS.setFont(m_font);
+	m_FPS.setString(std::to_string(std::floor(1 / m_frametime)));
+	m_FPS.setCharacterSize(32);
+	m_FPS.setPosition(5, 40);
+	m_FPS.setColor(sf::Color(0, 0, 0));
+
+	c.restart();
+
 	return NONE;
 }
 
@@ -55,12 +70,7 @@ ErrorType Framework::Run()
 	while (window->isOpen())
 	{
 		if (Handle() == ERROR) return ERROR;
-
+		if (Update() == ERROR) return ERROR;
-		// Only update when the game is not over
-		// It keeps the snake from moving
-		if(!m_gameOver)
-			if (Update() == ERROR) return ERROR;
-
 		if (Render() == ERROR) return ERROR;
 	}
 
@@ -78,7 +88,7 @@ ErrorType Framework::Handle()
 			window->close();
 			break;
 
-			//  When a key gets pressed
+			// When a key gets pressed
 			// Only used to update the snakes direction
 		case sf::Event::KeyPressed:
 			{
@@ -93,6 +103,9 @@ ErrorType Framework::Handle()
 
 			if (sf::Keyboard::isKeyPressed(sf::Keyboard::D))
 				m_snake.setDirection(Vector2D(1, 0));
+
+			if (sf::Keyboard::isKeyPressed(sf::Keyboard::F))
+				m_showFrametime = !m_showFrametime;
 			}
 		}
 	}
@@ -104,8 +117,13 @@ ErrorType Framework::Update()
 {
 	// If the snake's update returns false, it crashed
 	// The game is over
-	if (!m_snake.Update(m_field))
+	if(!m_gameOver)
-		m_gameOver = true;
+		if (!m_snake.Update(m_field))
+			m_gameOver = true;
+
+	m_FPS.setString(std::to_string((int)(1 / m_frametime)));
+	m_frametime = c.getElapsedTime().asSeconds();
+	c.restart();
 
 	return NONE;
 }
@@ -123,6 +141,9 @@ ErrorType Framework::Render()
 	if (m_gameOver)
 		window->draw(m_gameOverText);
 
+	if(m_showFrametime)
+		window->draw(m_FPS);
+
 	// Display everything to the screen
 	window->display();
 

SnakePlusPlus/SnakePlusPlus/Framework.h

@@ -61,13 +61,18 @@ private:
 	
 	static sf::RenderWindow* window;	//	The window object
 	static sf::Event e;					//	An event holder, which saves current events
+	static sf::Clock c;
 
 	static Field m_field;				// The gamefield (The Field is a grid of white tiles)
 	static Snake m_snake;				// The snake (a collection of black tiles)
 
 	static sf::Font m_font;				// Font Holder
 	static sf::Text m_gameOverText;		// GameOver Text
+	static sf::Text m_FPS;
 
 	static bool m_gameOver;
+	static double m_frametime;
+	static bool m_showFrametime;
+
 };
 

SnakePlusPlus/SnakePlusPlus/Snake.cpp

@@ -22,7 +22,7 @@ Snake::~Snake()
 bool Snake::Update(Field& field)
 {
 	// The snake gets updated every second
-	if (m_clock.getElapsedTime().asMilliseconds() >= 250)
+	if (m_clock.getElapsedTime().asMilliseconds() >= 50)
 	{
 		//remove the last tile in the vector, which thereby is the last piece of the snake
 		m_snake.pop_back();
@@ -74,3 +74,12 @@ void Snake::Render(sf::RenderWindow& window)
 		window.draw(it.tile);
 	}
 }
+
+void Snake::setDirection(Vector2D dir)
+{
+	if (dir.x != m_direction.x
+		&& dir.y != m_direction.y)
+	{
+		m_direction = dir;
+	}
+}

SnakePlusPlus/SnakePlusPlus/Snake.h

@@ -34,7 +34,7 @@ public:
 
 		@param dir the new direction
 	*/
-	void setDirection(Vector2D dir) { m_direction = dir; }
+	void setDirection(Vector2D dir);
 
 private:
 	std::vector<SnakePiece> m_snake;

SnakePlusPlus/SnakePlusPlus/main.cpp

@@ -3,7 +3,7 @@
 
 int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
 {
-	Framework::Initialize(WIDTH, HEIGHT, "SnakePlusPlus v1.1", sf::Style::Close);	// Initialize Framework
+	Framework::Initialize(WIDTH, HEIGHT, "SnakePlusPlus v1.2", sf::Style::Close);	// Initialize Framework
 	Framework::Run();	// Enter program loop
 
 	return 0;