C#实现智能AI五子棋游戏详解

 //棋盘大小
        static Size boardSize = new Size(800, 800);
        //单元格大小
        static Size cellSize = new Size(40, 40);
        //棋子大小
        static Size chessSize = new Size(25, 25);

        int xCellCount = boardSize.Height / cellSize.Height;
        int yCellCount = boardSize.Width / cellSize.Width;

        Graphics graphics;
        GraphicsState graphicsState;
        Pen pen = new Pen(Color.Black);
 //记录下过的棋子
        List<ChessModel> chessList = new List<ChessModel>();

 private void Form_Chess_Load(object sender, EventArgs e)
        {
            Width = boardSize.Width + 100;
            Height = boardSize.Height;
            panel_board.Width = boardSize.Width;
            panel_board.Height = boardSize.Height;

            Location = new Point((Screen.PrimaryScreen.WorkingArea.Width - Width) / 2, (Screen.PrimaryScreen.WorkingArea.Height - Height) / 2);

            graphics = panel_board.CreateGraphics();
            InitData();

        }
        private void Form_Chess_Resize(object sender, EventArgs e)
        {
            if (WindowState == FormWindowState.Minimized)
            {
                graphicsState = graphics.Save();
            }
        }
        /// <summary>
        /// 绘制棋盘
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void panel_board_Paint(object sender, PaintEventArgs e)
        {
            //绘制横线
            for (int i = 1; i < xCellCount; i++)
            {
                Point pt1 = new Point(cellSize.Width, cellSize.Width * i);
                Point pt2 = new Point(boardSize.Width - cellSize.Width, cellSize.Width * i);
                graphics.DrawLine(pen, pt1, pt2);
            }

            //绘制竖线
            for (int i = 1; i < yCellCount; i++)
            {
                Point pt1 = new Point(cellSize.Height * i, cellSize.Height);
                Point pt2 = new Point(cellSize.Height * i, boardSize.Height - cellSize.Height);
                graphics.DrawLine(pen, pt1, pt2);
            }
            if (graphicsState != null)
            {
                chessList.ForEach(s =>
                {
                    graphics.DrawImage(s.type ? Properties.Resources.黑棋子 : Properties.Resources.白棋子, s.point.X, s.point.Y, chessSize.Width, chessSize.Height);
                });
            }
        }


        private void SetStatus(int x, int y, bool type)
        {
            if (type)
            {
                lb_white_status.Text = string.Format("白棋下在了第{0}行第{1}列", y, x);
            }
            else
            {
                lb_black_status.Text = string.Format("黑棋下在了第{0}行第{1}列", y, x);
            }
        }

        private void Reset()
        {
            graphics = panel_board.CreateGraphics();
            chessList.Clear();
            InitData();
            graphicsState = null;
            panel_board.Refresh();
            panel_board_Paint(null, null);
        }

  private void btn_min_Click(object sender, EventArgs e)
        {
            WindowState = FormWindowState.Minimized;
        }

        private void btn_close_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void btn_reset_Click(object sender, EventArgs e)
        {
            Reset();
        }