static void fun(object st)
{
if (walls.Collider(snake.snake.Last()) || snake.Collider(snake.snake.Last()))
{
snake.Clear();
snake = new Snake(x / 2, y / 2, 5);
walls = new Walls(x, y, '+');
}
else if (snake.Eat(food.food))
{
food.Create();
}
else
{
snake.Move();
}
}
