public Result Run(ref FrameBuffer fb)
{
Snake s = new Snake(
(byte)(_random.Next() % FrameBuffer.WIDTH),
(byte)(_random.Next() % FrameBuffer.HEIGHT),
(Snake.Direction)(_random.Next() % 4)
);
MakeFood(s, out byte foodX, out byte foodY);
long gameTime = Environment.TickCount64;
while (true)
{
fb.Clear();
if (!s.Update())
{
s.Draw(ref fb);
return(Result.Loss);
}
s.Draw(ref fb);
if (Console.KeyAvailable)
{
ConsoleKeyInfo ki = Console.ReadKey(intercept: true);
switch (ki.Key)
{
case ConsoleKey.UpArrow:
s.Course = Snake.Direction.Up;
break;
case ConsoleKey.DownArrow:
s.Course = Snake.Direction.Down;
break;
case ConsoleKey.LeftArrow:
s.Course = Snake.Direction.Left;
break;
case ConsoleKey.RightArrow:
s.Course = Snake.Direction.Right;
break;
}
}
if (s.HitTest(foodX, foodY))
{
if (s.Extend())
{
MakeFood(s, out foodX, out foodY);
}
else
{
return(Result.Win);
}
}
fb.SetPixel(foodX, foodY, '*');
fb.Render();
gameTime += 100;
long delay = gameTime - Environment.TickCount64;
if (delay >= 0)
{
Thread.Sleep((int)delay);
}
else
{
gameTime = Environment.TickCount64;
}
}
}
