/// <summary>
/// </summary>
/// <param name="remove"></param>
/// <returns></returns>
public Position2D Tick(bool remove)
{
switch (_direction)
{
case Direction.Down:
if (Position.X == SnakeConfig.RowCount - 1)
{
CollisionVertical();
}
break;
case Direction.Left:
if (Position.Y == 0)
{
CollisionHorizontal();
}
break;
case Direction.Right:
if (Position.Y == SnakeConfig.ColumnCount - 1)
{
CollisionHorizontal();
}
break;
default:
if (Position.X == 0)
{
CollisionVertical();
}
break;
}
_segment.Step(_direction);
if (_body.GroupBy(segment => segment.Position).Any(grouping => grouping.Count() > 1))
{
return(null);
}
if (remove && _body.Count > 4)
{
_body.Dequeue().Reset();
}
_segment = new SnakeSegment(_snakeController.CellAt(Position), new Position2D(Position));
_body.Enqueue(_segment);
return(Position);
}
/// <summary>
/// </summary>
/// <param name="snakeController"></param>
public Snake(SnakeController snakeController)
{
_snakeController = snakeController;
_segment = new SnakeSegment(_snakeController.CellAt(new Position2D(4, 5)), new Position2D(4, 5));
_body.Enqueue(_segment);
}