public void ChangeDirection(Snake snake)
{
Snakes.TryGetValue(snake.id, out Snake exists);
if(exists == null) return;
exists.direction = snake.direction;
SendSnakes();
}
private void onMove(object state)
{
foreach (Snake snake in Snakes.Values.ToList())
{
Snakes.TryGetValue(snake.id, out Snake exists);
if(exists == null) continue;
if(exists.direction == "xx")
{
exists.x += exists.speed;
}else if (exists.direction == "-xx")
{
exists.x -= exists.speed;
}else if (exists.direction == "yy")
{
exists.y -= exists.speed;
}else if (exists.direction == "-yy")
{
exists.y += exists.speed;
}
if (exists.x >= Canvas.width)
{
exists.x = 0;
}
else if (exists.y >= Canvas.height)
{
exists.y = 0;
}
else if (exists.x <= 0)
{
exists.x = Canvas.width;
}
else if (exists.y <= 0)
{
exists.y = Canvas.height;
}
var head = new Pixel {x = exists.x, y = exists.y};
exists.trail.Add(head);
if (exists.trail.Count >= exists.tail)
{
exists.trail.RemoveAt(0);
}
var hasEaten = Food.Find(i => (i.x - 5) <= head.x && (i.x + 5 >= head.x) && (i.y + 5 >= head.y) && (i.y - 5 <= head.y)) != null;
if (hasEaten)
{
exists.tail += 10;
AddFood();
}
//check colisions
foreach (Snake s in Snakes.Values.ToList())
{
if (s.id != snake.id && s.trail.Find(i => (i.x == head.x && i.y == head.y)) != null)
{
Remove(s.id);
};
}
}
SendSnakes();
}