static void Main(string[] args)
{
// creating game window
RenderWindow window = new RenderWindow(new VideoMode(Config.SCREEN_WIDTH, Config.SCREEN_HEIGHT), "Snake Game"); // creating window object
window.SetFramerateLimit(Config.FRAME_RATE); // setting fps limit
window.Closed += new EventHandler(OnClose); // registering OnClose function as a callback function
// whenever window.Closed event occurs
// creating resources object for game manipulation
MainMenu menu = new MainMenu(ref window);
Snake snake = new Snake(ref window);
SnakeFood food = new SnakeFood(ref window);
Score score = new Score(ref window);
CollisionDetection collision = new CollisionDetection();
Music BackgroundMusic = new Music(Config.BACKGROUND_MUSIC);
BackgroundMusic.Loop = true;
BackgroundMusic.Play();
int ScoreCounter = 0;
// ActivityNumber tells which activity is currently need to draw
// for example : 0 -> MainMenu, 1 -> StartGame, 2 -> HighScore, 3 -> Quit
int ActivityNumber = 0;
uint Frame_Rate = 60;
// starting game loop, the game window is open till any closing event doesn't occurs in event stack
while (window.IsOpen)
{
// processing events that occured after window gets opened
window.DispatchEvents();
window.Clear(Color.Black);
//
switch (ActivityNumber)
{
// 7. Use of methods
case 0:
// checking keypresses
window.SetFramerateLimit(Config.FRAME_RATE);
if (Keyboard.IsKeyPressed(Keyboard.Key.Up))
{
menu.ChangeSelectionText(-1);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Down))
{
menu.ChangeSelectionText(1);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Return))
{
ActivityNumber = menu.CurrentSelection + 1;
}
// drawing menu over window
menu.draw();
break;
case 1:
// starting snake game
window.SetFramerateLimit(Frame_Rate);
window.Clear(Color.Black);
if (Keyboard.IsKeyPressed(Keyboard.Key.Up))
{
snake.ChangeDirection(Config.UP);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Down))
{
snake.ChangeDirection(Config.DOWN);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Left))
{
snake.ChangeDirection(Config.LEFT);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Right))
{
snake.ChangeDirection(Config.RIGHT);
}
else if (Keyboard.IsKeyPressed(Keyboard.Key.Escape))
{
ActivityNumber = 0;
}
if (collision.IsCollide(food.GetPosition(), snake.getPositionOfHead()))
{
snake.ChangeLength(10);
ScoreCounter += 10;
Frame_Rate += 10;
Console.WriteLine(Frame_Rate);
food.RandomizeFoodPosition();
window.SetFramerateLimit(Frame_Rate);
}
if (snake.isSnakeEatsItself())
{
// 5. Writing Data to simple text file
score.WriteScore(ScoreCounter);
Text GameOver = new Text("Game Over", new Font(Config.ARCADE_CLASSIC_FONT), 150);
GameOver.Position = new Vector2f(70, Config.SCREEN_HEIGHT / 2 - 150);
GameOver.FillColor = Color.Cyan;
window.Draw(GameOver);
window.Display();
System.Threading.Thread.Sleep(2000);
ActivityNumber = 0;
break;
}
snake.move();
snake.draw();
food.Draw();
break;
case 2:
// displaying high score
if (Keyboard.IsKeyPressed(Keyboard.Key.Escape))
{
ActivityNumber = 0;
}
score.Draw();
break;
case 3:
// quitting game window
window.Close();
break;
}
window.Display();
}
}