public void Show(SnakeJsonModel snake, double size)
{
foreach (var point in snake.Body)
{
AddSnakeSegment(point, CreateRectangle(point, size));
}
DrawEyes(snake);
}
public void Update(SnakeJsonModel snake, double size)
{
if (snake.IsDead)
{
snake.Body = new List <Point>();
}
var points = snake.Body.ToHashSet();
var pointsToAdd = points.Except(rectangles.Keys).ToList();
var pointsToRemove = rectangles.Keys.Except(points).ToList();
foreach (var point in pointsToAdd)
{
AddSnakeSegment(point, CreateRectangle(point, size));
}
foreach (var point in pointsToRemove)
{
RemoveSnakeSegment(point);
}
DrawEyes(snake, true);
}
private void DrawEyes(SnakeJsonModel snake, bool update = false)
{
if (update)
{
foreach (var eye in eyes)
{
canvas.Children.Remove(eye);
}
}
var head = snake.Body.FirstOrDefault();
if (head == null)
{
return;
}
UpdateEyes(new Point(head.X * 10, head.Y * 10), snake.Direction);
foreach (var eye in eyes)
{
canvas.Children.Add(eye);
}
}