private void InitializeSnake()
{
Position p1 = new Position(0, 0);
Position p2 = new Position(1, 0);
Position p3 = new Position(2, 0);
this.elements.Enqueue(p1);
this.elements.Enqueue(p2);
this.elements.Enqueue(p3);
}
public void Move(Position direction)
{
var snakeHeadPosition = this.elements.Last();
var nextSnakePosition = new Position(snakeHeadPosition.x + direction.x, snakeHeadPosition.y + direction.y);
this.elements.Enqueue(nextSnakePosition);
if (!this.HasEatenApple)
{
this.elements.Dequeue();
}
this.HasEatenApple = false;
}
public void Run()
{
var snake = new Snake();
var previousDirection = new Position(1, 0);
while (!snake.IsDead)
{
Position direction = this.GetDirection(previousDirection);
previousDirection = direction;
snake.Clear(this.Renderer);
snake.Move(direction);
snake.Render(this.Renderer);
Thread.Sleep(100);
}
}
private Position GetDirection(Position previousDirection)
{
var right = new Position(1, 0);
var down = new Position(0, 1);
var left = new Position(-1, 0);
var up = new Position(0, -1);
if (Console.KeyAvailable)
{
ConsoleKeyInfo key = Console.ReadKey();
if (key.Key == ConsoleKey.LeftArrow)
{
if (!previousDirection.CompareTo(right))
{
return left;
}
}
if (key.Key == ConsoleKey.UpArrow)
{
if (!previousDirection.CompareTo(down))
{
return up;
}
}
if (key.Key == ConsoleKey.RightArrow)
{
if (!previousDirection.CompareTo(left))
{
return right;
}
}
if (key.Key == ConsoleKey.DownArrow)
{
if (!previousDirection.CompareTo(up))
{
return down;
}
}
}
return previousDirection;
}