private void HandleCollision()
{
CollisionType collision = collisionManager.Collision(grid, snake);
if (collision == CollisionType.PowerUp)
{
snake.AddTail();
grid.Clear(snake.X, snake.Y);
grid.AddRandomPowerUp(snake.GetPositions());
}
if (collision == CollisionType.Fatal)
{
Exit();
}
}
protected override void Update(GameTime gameTime)
{
KeyboardState state = Keyboard.GetState();
if (state.IsKeyDown(Keys.Escape))
{
Exit();
}
if (_gameOver)
{
if (state.IsKeyDown(Keys.Space))
{
ResetGame();
}
return;
}
_snake.Update((float)gameTime.ElapsedGameTime.TotalSeconds);
if (IsPositionOnBorder(_snake.HeadPosition))
{
_gameOver = true;
}
if (_snake.IsPositionInBody(_foodPosition))
{
_score++;
_snake.AddTail();
SetRandomFoodPosition();
}
base.Update(gameTime);
}