public void Add(Snake snake, Canvas canvas)
{
Canvas = canvas;
if (Snakes == null)
{
Snakes = new ConcurrentDictionary<string, Snake>();
Timer = new Timer(onMove, null, 0, 1000/30);
AddFood();
}
if (Snakes.ContainsKey(snake.id))
{
return;
}
Snakes.TryAdd(snake.id, snake);
SendSnakes();
}