/// <summary> /// 蛇身在移动图上移动 /// </summary> /// <param name="panel"></param> /// <param name="map"></param> /// <param name="snake"></param> /// <param name="direction"></param> /// <param name="enableBack"></param> /// <param name="dead"></param> /// <returns></returns> public static ModelSnake MoveSnakeOnMap(Panel panel, ModelMap map, ModelSnake snake, ModelEnum.Direction direction, bool enableBack, out bool dead) { dead = false; if (!enableBack) { if (direction.Equals(ModelEnum.Direction.Up) && snake.Direction.Equals(ModelEnum.Direction.Down)) direction = snake.Direction; else if (direction.Equals(ModelEnum.Direction.Down) && snake.Direction.Equals(ModelEnum.Direction.Up)) direction = snake.Direction; else if (direction.Equals(ModelEnum.Direction.Left) && snake.Direction.Equals(ModelEnum.Direction.Right)) direction = snake.Direction; else if (direction.Equals(ModelEnum.Direction.Right) && snake.Direction.Equals(ModelEnum.Direction.Left)) direction = snake.Direction; } else { if (direction.Equals(ModelEnum.Direction.Up) && snake.Direction.Equals(ModelEnum.Direction.Down)) snake.Body.Reverse(); else if (direction.Equals(ModelEnum.Direction.Down) && snake.Direction.Equals(ModelEnum.Direction.Up)) snake.Body.Reverse(); else if (direction.Equals(ModelEnum.Direction.Left) && snake.Direction.Equals(ModelEnum.Direction.Right)) snake.Body.Reverse(); else if (direction.Equals(ModelEnum.Direction.Right) && snake.Direction.Equals(ModelEnum.Direction.Left)) snake.Body.Reverse(); } var head = new ModelElement { Abscissa = snake.Body[0].Abscissa, Ordinate = snake.Body[0].Ordinate }; switch (direction) { case ModelEnum.Direction.Left: head.Abscissa--; break; case ModelEnum.Direction.Right: head.Abscissa++; break; case ModelEnum.Direction.Up: head.Ordinate--; break; case ModelEnum.Direction.Down: head.Ordinate++; break; } if (head.Abscissa < 0) head.Abscissa = map.Column - 1; else if (head.Abscissa == map.Column) head.Abscissa = 0; if (head.Ordinate < 0) head.Ordinate = map.Row - 1; else if (head.Ordinate == map.Row) head.Ordinate = 0; var d = snake.Body.SingleOrDefault(t => t.Abscissa == head.Abscissa && t.Ordinate == head.Ordinate); if (d != null) { dead = true; } var tail = snake.Body[snake.Body.Count - 1]; var m = map.Body.SingleOrDefault(t => t.Bonus && t.Abscissa == tail.Abscissa && t.Ordinate == tail.Ordinate); if (m == null) { DrawMapBox(panel, map.Color, tail.Abscissa, tail.Ordinate, map.Box.Width, map.Box.Height); snake.Body.Remove(tail); } else { DrawMapBox(panel, snake.Color, head.Abscissa, head.Ordinate, map.Box.Width, map.Box.Height); m.Bonus = false; } DrawMapBox(panel, snake.Color, head.Abscissa, head.Ordinate, map.Box.Width, map.Box.Height); snake.Body.Insert(0, head); snake.Direction = direction; return snake; }
public static ModelElement NewBonus(int x, int y) { var rm = new Random(); var bonus = new ModelElement { Abscissa = rm.Next(0, x), Ordinate = rm.Next(0, y), Bonus = true }; return bonus; }