用C#写的6只青蛙过河

这是以前流传的一个excel内嵌flash的6只青蛙过河游戏，在我换了office2019后，彻底不能用了，网上搜遍了也找不到纯净的可收藏版本，找来找去只找到一个网页版的，凑合能玩，不过资源可以为我所用(如果侵权，请联系我删除)，下面是我自己做的。

时间精力有限，没有搞动画效果和音效，答案是可以演示步骤的。

 点我下载： 

其中包含的“青蛙过河解法”非本人原创，只是精简了一下，忘了是哪位高人做的了，如果侵权请联系。

对于非编程专业只想要exe可执行文件的同学，压缩包里有，bin\Release目录下，请随便玩。

using System;
using System.Drawing;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 青蛙过河
{
    public partial class Form1 : Form
    {
        PictureBox[] picStones;
        PictureBox[] picFrogs;
        Frog[] frogs;
        readonly Size StoneSize = new Size(70, 40);
        readonly Size FrogSize = new Size(70, 68);
        const int Interval = 10;
        Step[] steps;

        public Form1()
        {
            InitializeComponent();
            picStones = new PictureBox[7];
            picFrogs = new PictureBox[7];
            for (int i = 0; i < 7; i++)
            {
                picStones[i] = new PictureBox();
                picStones[i].Image = Properties.Resources.qingwa_dock;
                picStones[i].SizeMode = PictureBoxSizeMode.CenterImage;
                picStones[i].Size = StoneSize;
                picStones[i].Left = (StoneSize.Width + Interval) * i;
                picStones[i].Top = FrogSize.Height;
                picStones[i].BackColor = Color.Transparent;
                picStones[i].Parent = panel1;
                picFrogs[i] = new PictureBox();
                Bitmap bitmap = new Bitmap(70, 70);
                Graphics g = Graphics.FromImage(bitmap);
                g.DrawImage(Properties.Resources.qingwa, new Rectangle(0, 0, 70, 70),
                    new Rectangle(0, (i < 3 ? 0 : 70), 70, 70), GraphicsUnit.Pixel);
                if (i != 3) picFrogs[i].Image = bitmap;
                //if (i == 3) picFrogs[i].Visible = false;
                picFrogs[i].SizeMode = PictureBoxSizeMode.Normal;
                picFrogs[i].Size = FrogSize;
                picFrogs[i].Left = (FrogSize.Width + Interval) * i;
                picFrogs[i].Top = 2;
                picFrogs[i].BackColor = Color.Transparent;
                picFrogs[i].Parent = panel1;
                picFrogs[i].BringToFront();
                picFrogs[i].Tag = i;
                picFrogs[i].Click += new EventHandler(Frog_Click);
            }
            frogs = new Frog[7];
            frogs[0] = new Frog(0, Direction.向右, 0, false);
            frogs[1] = new Frog(1, Direction.向右, 1, true);
            frogs[2] = new Frog(2, Direction.向右, 2, true);
            frogs[3] = new Frog(3, Direction.中立, 3, false);    // 空位
            frogs[4] = new Frog(4, Direction.向左, 4, true);
            frogs[5] = new Frog(5, Direction.向左, 5, true);
            frogs[6] = new Frog(6, Direction.向左, 6, false);
            steps = new Step[]
            {
                new Step(){frogID=2, destPosition=3},
                new Step(){frogID=4, destPosition=2},
                new Step(){frogID=5, destPosition=4},
                new Step(){frogID=2, destPosition=5},
                new Step(){frogID=1, destPosition=3},
                new Step(){frogID=0, destPosition=1},
                new Step(){frogID=4, destPosition=0},
                new Step(){frogID=5, destPosition=2},
                new Step(){frogID=6, destPosition=4},
                new Step(){frogID=2, destPosition=6},
                new Step(){frogID=1, destPosition=5},
                new Step(){frogID=0, destPosition=3},
                new Step(){frogID=5, destPosition=1},
                new Step(){frogID=6, destPosition=2},
                new Step(){frogID=0, destPosition=4}
            };
        }

        private void Frog_Click(object sender, EventArgs e)
        {
            PictureBox picFrog = sender as PictureBox;
            Frog frog = frogs[(int)picFrog.Tag];
            if (!frog.canJump) return;
            int newEmptyPositon = frog.position;
            frog.position = frogs[3].position;
            frogs[3].position = newEmptyPositon;    // 空位
            picFrog.Left = (FrogSize.Width + Interval) * frog.position;
            picFrogs[3].Left = (FrogSize.Width + Interval) * frogs[3].position;
            for (int i = 0; i < 7; i++)
            {
                frogs[i].canJump = false;
                if (frogs[i].direction == Direction.向右 &&
                    frogs[i].position < newEmptyPositon && frogs[i].position > newEmptyPositon - 3)
                    frogs[i].canJump = true;
                if (frogs[i].direction == Direction.向左 &&
                    frogs[i].position > newEmptyPositon && frogs[i].position < newEmptyPositon + 3)
                    frogs[i].canJump = true;
                Console.WriteLine("Frog_Click: {0}  {1}  {2}", frogs[i].frogID, frogs[i].position, frogs[i].canJump);
            }
            if (IsWin())
            {
                Console.WriteLine("You Win!");
                Graphics g = this.CreateGraphics();
                g.DrawString("Great", new Font("微软雅黑", 40), Brushes.Red, 220, 180);
            }
        }

        private bool IsWin()
        {
            for (int i = 0; i < 3; i++) if (frogs[i].position <= 3) return false;
            for (int i = 4; i < 7; i++) if (frogs[i].position >= 3) return false;
            return true;
        }

        private void Reset_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < 7; i++)
            {
                frogs[i].position = i;
                picFrogs[i].Left = (FrogSize.Width + Interval) * i;
                if (i == 1 || i == 2 || i == 4 || i == 5) frogs[i].canJump = true;
            }
            this.Refresh();
        }

        private void Label_MouseEnter(object sender, EventArgs e)
        {
            Label label = sender as Label;
            label.BackColor = Color.Yellow;
            label.ForeColor = Color.Blue;
        }

        private void Label_MouseLeave(object sender, EventArgs e)
        {
            Label label = sender as Label;
            label.BackColor = Color.LightGray;
            label.ForeColor = Color.Black;
        }

        private async void lblResult_Click(object sender, EventArgs e)
        {
            lblResult.Enabled = false;
            lblReset.Enabled = false;
            Graphics g = this.CreateGraphics();
            this.Refresh();
            g.DrawString("演示开始", new Font("微软雅黑", 40), Brushes.Red, 190, 180);
            //picFrogs[3].Visible = false;    // 防止被移动到下层被覆盖
            for (int i = 0; i < 7; i++)     // 确保复位
            {
                frogs[i].canJump = false;
                frogs[i].position = i;
                picFrogs[i].Left = (FrogSize.Width + Interval) * i;
            }
            await Task.Delay(1000);
            for (int i = 0; i < steps.Length; i++)
            {
                frogs[steps[i].frogID].position = steps[i].destPosition;
                picFrogs[steps[i].frogID].BorderStyle = BorderStyle.FixedSingle;
                await Task.Delay(1000);
                picFrogs[steps[i].frogID].Left = (FrogSize.Width + Interval) * steps[i].destPosition;
                picFrogs[steps[i].frogID].BringToFront();    // 防止被移动到下层被覆盖
                await Task.Delay(1000);
                picFrogs[steps[i].frogID].BorderStyle = BorderStyle.None;
            }
            this.Refresh();
            g.DrawString("演示完毕", new Font("微软雅黑", 40), Brushes.Red, 190, 180);
            lblResult.Enabled = true;
            lblReset.Enabled = true;
        }
    }

    enum Direction { 中立, 向左, 向右 };

    class Frog    // 青蛙类
    {
        public int frogID;             // 青蛙编号
        public Direction direction;    // 青蛙跳动的方向
        public int position;           // 青蛙位置
        public bool canJump;           // 是否可以跳

        public Frog(int frogID, Direction direction, int positon, bool canJump)
        {
            this.frogID = frogID;
            this.direction = direction;
            this.position = positon;
            this.canJump = canJump;
        }
    }

    struct Step
    {
        public int frogID;          // 青蛙编号
        public int destPosition;    // 目标位置
    }
}