c#贪吃蛇

今天无聊突发奇想做个贪吃蛇，虽然网上很多这东西了，不过自己写的感觉还行吧

贪吃蛇分析

游戏规则：

1、蛇起始长度5，每吃一个食物增加1，最大15过关

2、蛇用蓝色表示，食物用绿色，障碍物用黑色

3、当蛇碰到自己、墙壁、障碍物则游戏失败

4、方向键控制蛇的移动方向，蛇不可反方向移动，如正在向上移动，不能马上向下，只能向左、右、上运动

5、每过关一次速度提升一次

大概思路：

1、地图用网格的形式表示，蛇由方格组成，保存在list中

2、1中提到了方格，方格保存的内容有，颜色，坐标，是否可以通过,是否是食物

3、向前移动一次，将前面方格添加进蛇列表中，将列表最后一个移除，若为前方格子为食物，则不移除最后一个

4、使用while死循环来做整个移动

5、空格键为加速键，通过修改while循环sleep时间来实现加速

包括了3个类一个主窗体，分别是Node（用来表示方格）、Map（用来表示地图）、Serpent（用来表示蛇），另外一个主窗体。下面依次把代码贴上，基本上每个方法都有注释

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;

namespace EngorgeSerpent
{
    /// <summary>
    /// 节点
    /// </summary>
    class Node
    {
        #region 字段
        private int x;
        private int y;
        private int width = 10;
        private bool isFood = false;
        private bool isPass = true;//是否可通过
        private Color bgColor = Color.FromArgb(224, 224, 224);
        private Color foodColor = Color.Green;
        private Color hinderColor = Color.Black;
        private Color thisColor;
        private Color serpentColor = Color.Chocolate;

        #endregion
        /// <summary>
        /// 设置食物参数
        /// </summary>
        /// <param name="_isFood"></param>
        public void SetFood(bool _isFood)
        {
            IsFood = _isFood;
            if (_isFood)
            {
                ThisColor = FoodColor;

            }
            else
            {
                ThisColor = BgColor;
            }
        }

        /// <summary>
        /// 设置障碍物参数
        /// </summary>
        /// <param name="_isHinder">是否为障碍物</param>
        public void SetHinder(bool _isHinder)
        {
            IsPass =! _isHinder;
            if (_isHinder)
            {
                ThisColor = HinderColor;
            }
            else
            {
                ThisColor = BgColor;
            }
        }

        /// <summary>
        /// 设置蛇颜色
        /// </summary>
        /// <param name="_isSerpent"></param>
        public void SetSerpent(bool _isSerpent)
        {
            IsPass = !_isSerpent;
            if (_isSerpent)
            {
                ThisColor = SerpentColor;
            }
            else
            {
                ThisColor = BgColor;
            }
        }
        #region 构造函数
        public Node()
        {
            thisColor = bgColor;
        }

        /// <summary>
        /// 有参构造方法
        /// </summary>
        /// <param name="_x">相对x坐标</param>
        /// <param name="_y">相对y坐标</param>
        /// <param name="_width">边长</param>
        /// <param name="_isFood">是否是食物</param>
        /// <param name="_isPass">是否可通过</param>
        public Node(int _x, int _y, int _width, bool _isFood, bool _isPass)
        {
            thisColor = bgColor;
            X = _x;
            Y = _y;
            Width = _width;
            IsFood = _isFood;
            IsPass = _isPass;
        }

        /// <summary>
        /// 有参构造方法
        /// </summary>
        /// <param name="_x">相对x坐标</param>
        /// <param name="_y">相对y坐标</param>
        /// <param name="_width">边长</param>
        public Node(int _x, int _y, int _width)
        {
            X = _x;
            Y = _y;
            Width = _width;
        }

        /// <summary>
        /// 有参构造方法
        /// </summary>
        /// <param name="_x">相对x坐标</param>
        /// <param name="_y">相对y坐标</param>
        public Node(int _x, int _y)
        {
            X = _x;
            Y = _y;
        }
        #endregion

        #region 属性
        /// <summary>
        /// 蛇颜色
        /// </summary>
        public Color SerpentColor
        {
            get { return serpentColor; }
        }

        /// <summary>
        /// 背景色
        /// </summary>
        public Color BgColor
        {
            get { return bgColor; }
        }

        /// <summary>
        /// 食物颜色
        /// </summary>
        public Color FoodColor
        {
            get { return foodColor; }
        }

        /// <summary>
        /// 障碍物颜色
        /// </summary>
        public Color HinderColor
        {
            get { return hinderColor; }
        }

        /// <summary>
        /// 当前颜色
        /// </summary>
        public Color ThisColor
        {
            get { return thisColor; }
            set { thisColor = value; }
        }

        /// <summary>
        /// 获取或设置相对横坐标
        /// </summary>
        public int X
        {
            get { return x; }
            set { x = value; }
        }

        /// <summary>
        /// 获取或设置相对纵坐标
        /// </summary>
        public int Y
        {
            get { return y; }
            set { y = value; }
        }

        /// <summary>
        /// 获取或设置节点边长
        /// </summary>
        public int Width
        {
            get { return width; }
            set { width = value; }
        }

        /// <summary>
        /// 获取或设置是否为食物
        /// </summary>
        public bool IsFood
        {
            get { return isFood; }
            set { isFood = value; }
        }

        /// <summary>
        /// 获取或设置是否可以通过
        /// </summary>
        public bool IsPass
        {
            get { return isPass; }
            set { isPass = value; }
        }
        #endregion
    }
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;

namespace EngorgeSerpent
{
    /// <summary>
    /// 地图
    /// </summary>
    class Map
    {
        /// <summary>
        /// 节点数组
        /// </summary>
        private List<List<Node>> _nodes;
        private int RowCount;
        private int ComsCount;
        private Color bgColor = Color.FromArgb(224, 224, 224);
        private System.Windows.Forms.Control MapPanel;
        Graphics g;
        /// <summary>
        /// 地图背景色  和node中背景色一致
        /// </summary>
        public Color BgColor
        {
            get { return bgColor; }
        }
        /// <summary>
        /// 构造方法
        /// </summary>
        /// <param name="rows">行数</param>
        /// <param name="coms">列数</param>
        public Map(int rows, int coms, System.Windows.Forms.Control c)
        {
            RowCount = rows;
            ComsCount = coms;
            MapPanel = c;
            g = c.CreateGraphics();
            _nodes = new List<List<Node>>();
            for (int i = 0; i < rows; i++)//行
            {
                List<Node> index = new List<Node>();
                for (int j = 0; j < coms; j++)
                {
                    Node node = new Node(j, i);
                    index.Add(node);
                }
                _nodes.Add(index);
            }
        }

        /// <summary>
        /// 构造方法
        /// </summary>
        /// <param name="rows">行数</param>
        /// <param name="coms">列数</param>
        /// <param name="width">节点宽度</param>   
        public Map(int rows, int coms, int width, System.Windows.Forms.Control c)
        {
            RowCount = rows;
            ComsCount = coms;
            MapPanel = c;
            g = c.CreateGraphics();
            _nodes = new List<List<Node>>();
            for (int i = 0; i < coms; i++)//行
            {
                List<Node> index = new List<Node>();
                for (int j = 0; j < rows; j++)
                {
                    Node node = new Node(j, i, width);
                    index.Add(node);
                }
                _nodes.Add(index);
            }
        }

        /// <summary>
        /// 重新加载地图
        /// </summary>
        public void ResetMap()
        {
            for (int i = 0; i < ComsCount; i++)//行
            {
                for (int j = 0; j < RowCount; j++)
                {
                    Node node = GetNode(i, j);
                    node.IsPass = true;
                    node.IsFood = false;                
                }
            }
        }
        /// <summary>
        /// 获得节点
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        public Node GetNode(int x, int y)
        {
            return _nodes[y][x];
        }

        /// <summary>
        /// 设置食物
        /// </summary>
        public void SetFood()
        {
            SolidBrush brush = null;
            int _x, _y;
            Random r = new Random();
            while (true)
            {
                _x = r.Next(0, RowCount);
                _y = r.Next(0, ComsCount);
                if (_nodes[_x][_y].IsPass)
                {
                    break;
                }
            }
            Node nodeindex = _nodes[_x][_y];
            nodeindex.SetFood(true);
            brush = new SolidBrush(nodeindex.FoodColor);
            RectangleF[] rects = { new RectangleF(nodeindex.X * nodeindex.Width, nodeindex.Y * nodeindex.Width, nodeindex.Width, nodeindex.Width) };
            g.FillRectangles(brush, rects);
        }

        /// <summary>
        /// 设置障碍物
        /// </summary>
        /// <param name="list"></param>
        public void SetHinder(List<Node> list)
        {
            SolidBrush brush = null;
            RectangleF[] rects = new RectangleF[list.Count];
            for (int i = 0; i < list.Count; i++)
            {
                Node _node = list[i];
                _node.SetHinder(true);
                _node.IsPass = false;
                if (brush == null)
                {
                    brush = new SolidBrush(_node.HinderColor);
                }
                RectangleF r = new RectangleF(_node.X * _node.Width, _node.Y * _node.Width, _node.Width, _node.Width);
                rects[i] = r;
            }
            g.FillRectangles(brush, rects);
        }

        /// <summary>
        /// 设置边界
        /// </summary>
        public void SetBorder()
        {
            //通过计算得出边界的个数是2（x+y-2）个方格

            SolidBrush brush = null;
            int borders = 2 * (ComsCount + RowCount - 2);
            RectangleF[] rects = new RectangleF[borders];
            int indexcount = 0;
            //添加顶部方格进rects列表中
            for (int i = 0; i < RowCount; i++)
            {
                Node _node = _nodes[i][0];
                _node.SetHinder(true);
                if (brush == null)
                {
                    brush = new SolidBrush(_node.HinderColor);
                }
                RectangleF r = new RectangleF(_node.X * _node.Width, _node.Y * _node.Width, _node.Width, _node.Width);
                rects[indexcount] = r;
                indexcount++;
            }
            //添加底部方格进rects列表中
            for (int i = 0; i < RowCount; i++)
            {
                Node _node = _nodes[i][ComsCount - 1];
                _node.SetHinder(true);

                RectangleF r = new RectangleF(_node.X * _node.Width, _node.Y * _node.Width, _node.Width, _node.Width);
                rects[indexcount] = r;
                indexcount++;
            }
            //添加左侧方格进列表，因为左侧最上面以及最下面的两个方格已经添加进去，这里不需要重复添加
            for (int i = 1; i < ComsCount - 1; i++)
            {
                Node _node = _nodes[0][i];
                _node.SetHinder(true);
                RectangleF r = new RectangleF(_node.X * _node.Width, _node.Y * _node.Width, _node.Width, _node.Width);
                rects[indexcount] = r;
                indexcount++;
            }
            //添加右侧方格进列表，因为右侧最上面以及最下面两个方格已经添加进去，这里不需要重复添加
            for (int i = 1; i < ComsCount - 1; i++)
            {
                Node _node = _nodes[RowCount - 1][i];
                _node.SetHinder(true);
                RectangleF r = new RectangleF(_node.X * _node.Width, _node.Y * _node.Width, _node.Width, _node.Width);
                rects[indexcount] = r;
                indexcount++;
            }
            g.FillRectangles(brush, rects);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;

namespace EngorgeSerpent
{
    /// <summary>
    /// 蛇
    /// </summary>
    class Serpent
    {
        private List<Node> serpentList = new List<Node>();
        private Direction direction = Direction.Right;//运动方向
        private int maxCount = 15;
        private int minCount = 5;
        private System.Windows.Forms.Control MapPanel;
        Graphics g;
        /// <summary>
        /// 设置蛇长度数据
        /// </summary>
        /// <param name="maxLength">最大长度</param>
        /// <param name="minLength">最小长度</param>
        public Serpent(int maxLength, int minLength, System.Windows.Forms.Control c)
        {
            maxCount = maxLength;
            minCount = minLength;
            MapPanel = c;
            g = MapPanel.CreateGraphics();
        }

        /// <summary>
        /// 初始化蛇
        /// </summary>
        public void InitializeSerpent()
        {
            SolidBrush brush = null;
            RectangleF[] rects = new RectangleF[minCount];
            for (int i = 1; i < minCount; i++)
            {
                Node indexnode = new Node(i, 1);
                indexnode.SetSerpent(true);//设置蛇颜色
                serpentList.Insert(0, indexnode);
                if (brush == null)
                {
                    brush = new SolidBrush(indexnode.SerpentColor);
                }
                rects[i] = new RectangleF(indexnode.X * indexnode.Width, indexnode.Y * indexnode.Width, indexnode.Width, indexnode.Width);
            }
            g.FillRectangles(brush, rects);
        }



        /// <summary>
        /// 插入一个
        /// </summary>
        /// <param name="node"></param>
        public void InsertNode(Node node)
        {
            serpentList.Insert(0, node);
            node.SetSerpent(true);
            SolidBrush brush = new SolidBrush(node.SerpentColor);
            RectangleF rect = new RectangleF(node.X * node.Width, node.Y * node.Width, node.Width, node.Width);
            g.FillRectangle(brush, rect);
        }

        /// <summary>
        /// 移除尾巴
        /// </summary>
        /// <param name="node"></param>
        public void RemoveNode()
        {
            Node node = serpentList[serpentList.Count - 1];
            serpentList.Remove(node);
            node.SetSerpent(false);
            SolidBrush brush = new SolidBrush(node.BgColor);
            RectangleF rect = new RectangleF(node.X * node.Width, node.Y * node.Width, node.Width, node.Width);
            g.FillRectangle(brush, rect);
        }

        /// <summary>
        /// 获取蛇头
        /// </summary>
        /// <returns>蛇头方格</returns>
        public Node GetSerpentHead()
        {
            return serpentList[0];
        }

        /// <summary>
        /// 蛇是否最长
        /// </summary>
        /// <returns></returns>
        public bool IsMax()
        {
            if (serpentList.Count == maxCount)
                return true;
            else
                return false;
        }

        /// <summary>
        /// 蛇运动方向
        /// </summary>
        public Direction Direction
        {
            get { return direction; }
            set { direction = value; }
        }

    }
    /// <summary>
    /// 运动方向
    /// </summary>
    public enum Direction
    {
        Left,
        Up,
        Right,
        Down
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;

namespace EngorgeSerpent
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();

        }
        List<List<Node>> maplist = new List<List<Node>>();
        Map map;
        Serpent serpent;
        Graphics g;
        int level = 1;
        /// <summary>
        /// 运行线程
        /// </summary>
        Thread Work_Thread = null;
        /// <summary>
        /// 运行线程监控值
        /// </summary>
        bool IsWork = false;
        int sleepTime = 1000;
        int thissleeptime;

        private void MainForm_Load(object sender, EventArgs e)
        {
            g = this.panel1.CreateGraphics();
            map = new Map(40, 30, this.panel1);//这里可以对画布进行下大小设置  此处偷懒省略 
            LoadMapList();//加载障碍物列表            
        }

        /// <summary>
        /// 默认将地图设置为30*40
        /// </summary>
        private void SetMap()
        {
            map.ResetMap();
            g.Clear(map.BgColor);
            map.SetBorder();//设置边界
            List<Node> hiderList = GetHider();//获取障碍物列表
            map.SetHinder(hiderList);//设置障碍物
            SetSerpent();//初始化蛇  
        }

        /// <summary>
        /// 设置蛇
        /// </summary>
        private void SetSerpent()
        {
            serpent = new Serpent(15, 5, this.panel1);
            serpent.InitializeSerpent();//初始化蛇
        }

        /// <summary>
        /// 获取地图障碍物列表 以增加不同级别难度
        /// </summary>
        private void LoadMapList()
        {
            //目前分为5个级别
            //第一级别
            List<Node> hiderList1 = new List<Node>();
            for (int i = 15; i < 25; i++)
            {
                hiderList1.Add(map.GetNode(i, 15));
                hiderList1.Add(map.GetNode(15, i));
            }
            maplist.Add(hiderList1);

            //第二级别
            List<Node> hiderList2 = new List<Node>();
            for (int i = 7; i < 25; i++)
            {
                hiderList2.Add(map.GetNode(i, 15));
                hiderList2.Add(map.GetNode(15, i));
            }
            maplist.Add(hiderList2);

            //第三级别
            List<Node> hiderList3 = new List<Node>();
            for (int i = 7; i < 25; i++)
            {
                hiderList3.Add(map.GetNode(i, 15));
                hiderList3.Add(map.GetNode(15, i));
                hiderList3.Add(map.GetNode(i, 25));
            }
            maplist.Add(hiderList3);

            //第四级别
            List<Node> hiderList4 = new List<Node>();
            for (int i = 7; i < 25; i++)
            {
                hiderList4.Add(map.GetNode(i, 25));
                hiderList4.Add(map.GetNode(i, 15));
                hiderList4.Add(map.GetNode(15, i));
                hiderList4.Add(map.GetNode(i, 7));
            }
            maplist.Add(hiderList4);

            //第五级别
            List<Node> hiderList5 = new List<Node>();
            for (int i = 7; i < 25; i++)
            {
                hiderList5.Add(map.GetNode(i, 25));
                hiderList5.Add(map.GetNode(i, 15));
                hiderList5.Add(map.GetNode(15, i));
                hiderList5.Add(map.GetNode(i, 7));
                hiderList5.Add(map.GetNode(i, 35));
            }
            for (int i = 12; i < 20; i++)
            {
                hiderList5.Add(map.GetNode(7, i));
                hiderList5.Add(map.GetNode(25, i));
            }
            maplist.Add(hiderList5);
        }

        /// <summary>
        /// 获取障碍物列表
        /// </summary>
        /// <returns></returns>
        private List<Node> GetHider()
        {
            //这里可以添加多个地图，当级别改变时需要重新加载
            return maplist[level - 1];
        }

        /// <summary>
        /// 重置地图
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnResetMap_Click(object sender, EventArgs e)
        {
            IsWork = false;
            btnStop.Enabled = false;
            button3.Enabled = false;
            button2.Enabled = true;
            //map.ResetMap();
            SetMap();
        }

        /// <summary>
        /// 运行
        /// </summary>
        private void Work()
        {
            map.SetFood();//设置食物
            while (IsWork)
            {
                Node node_index;
                Node serpentHead = serpent.GetSerpentHead();
                switch (serpent.Direction)
                {
                    case Direction.Left:
                        node_index = map.GetNode(serpentHead.X - 1, serpentHead.Y);
                        break;
                    case Direction.Right:
                        node_index = map.GetNode(serpentHead.X + 1, serpentHead.Y);
                        break;
                    case Direction.Up:
                        node_index = map.GetNode(serpentHead.X, serpentHead.Y - 1); break;
                    default:
                        node_index = map.GetNode(serpentHead.X, serpentHead.Y + 1);
                        break;
                }
                SerpentState index_move = SerpentMove(node_index);
                if (index_move == SerpentState.Error)//游戏结束
                {
                    IsWork = false;
                    //map.ResetMap();
                    MessageBox.Show("游戏结束！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    sleepTime = 1000;
                    level = 1;
                    thissleeptime = sleepTime;
                    lblLevel.BeginInvoke(new MethodInvoker(delegate()
                    {
                        btnStop.Enabled = false;
                        button3.Enabled = false;
                        button2.Enabled = true;
                        lblLevel.Text = "1";
                        lblCount.Text = "5";
                    }));
                }
                else if (index_move == SerpentState.NextLevel)
                {
                    IsWork = false;
                    this.lblCount.BeginInvoke(new MethodInvoker(delegate()
                    {
                        level += 1;
                        lblLevel.Text = level.ToString();
                        lblCount.Text = "5";
                    }));
                    sleepTime = sleepTime / 2;
                    thissleeptime = sleepTime;
                    SetMap();//重置地图
                }
                else
                {

                    Thread.Sleep(thissleeptime);
                }
            }
            map.ResetMap();
        }

        /// <summary>
        /// 开始
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            IsWork = false;
            btnStop.Enabled = false;
            button3.Enabled = false;
            button2.Enabled = true;
            //map.ResetMap();
            SetMap();
            thissleeptime = sleepTime;
            this.panel1.Focus();
            IsWork = true;
            this.btnStop.Enabled = true;
            this.button3.Enabled = true;
            button2.Enabled = false;
            Work_Thread = new Thread(new ThreadStart(Work));
            Work_Thread.IsBackground = true;
            Work_Thread.Start();
        }

        private void MainForm_KeyDown(object sender, KeyEventArgs e)
        {

            if (e.KeyCode == Keys.Right)
            {
                if (serpent.Direction != Direction.Left)
                    serpent.Direction = Direction.Right;
            }
            else if (e.KeyCode == Keys.Left)
            {
                if (serpent.Direction != Direction.Right)
                    serpent.Direction = Direction.Left;
            }
            else if (e.KeyCode == Keys.Up)
            {
                if (serpent.Direction != Direction.Down)
                    serpent.Direction = Direction.Up;
            }
            else if (e.KeyCode == Keys.Down)
            {
                if (serpent.Direction != Direction.Up)
                    serpent.Direction = Direction.Down;
            }
            else if (e.KeyCode == Keys.Space)
            {
                thissleeptime = sleepTime / 2;
            }
            else if (e.KeyCode == Keys.Escape)
            {
                if (IsWork)
                {
                    this.button3.Text = "继续";
                    IsWork = false;
                }

            }
        }

        /// <summary>
        /// 暂停
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button3_Click(object sender, EventArgs e)
        {
            if (!IsWork)
            {
                this.button3.Text = "暂停";
                IsWork = true;
                Work_Thread = new Thread(new ThreadStart(Work));
                Work_Thread.IsBackground = true;
                Work_Thread.Start();
            }
            else
            {
                this.button3.Text = "继续";
                IsWork = false;
            }
        }
        /// <summary>
        /// 退出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            IsWork = false;
            Application.Exit();
            System.Diagnostics.Process.GetCurrentProcess().Kill();
        }



        private void btnStop_Click(object sender, EventArgs e)
        {
            // map.ResetMap();
            btnStop.Enabled = false;
            button3.Enabled = false;
            button2.Enabled = true;
            IsWork = false;
            Work_Thread.Abort();
            SetMap();
        }

        /// <summary>
        /// 移动
        /// </summary>
        /// <param name="node">将要移动到的节点</param>
        /// <returns>返回状态</returns>
        private SerpentState SerpentMove(Node node)
        {
            if (!node.IsPass)
            {
                return SerpentState.Error;
            }
            serpent.InsertNode(node);
            if (!node.IsFood)
            {
                //不是食物，则移除最后一个节点
                serpent.RemoveNode();
            }
            else
            {
                lblCount.BeginInvoke(new MethodInvoker(delegate()
                {
                    this.lblCount.Text = (Convert.ToInt32(this.lblCount.Text.Trim()) + 1).ToString();
                }));
                map.SetFood();//设置食物
            }

            if (serpent.IsMax())
            {
                return SerpentState.NextLevel;
            }
            return SerpentState.Moving;
        }

        private void MainForm_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Space)
            {
                thissleeptime = sleepTime;
            }
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            int index = 1;
            int index_count = Convert.ToInt32(comboBox1.Text);
            for (int i = 1; i < index_count; i++)
            {
                index = index * 2;
            }
            level = index_count;
            sleepTime = 1000 / index;
            thissleeptime = sleepTime;
            btnStop.Enabled = false;
            button3.Enabled = false;
            button2.Enabled = true;
            IsWork = false;

            SetMap();
            lblCount.Text = "5";
            lblLevel.Text = index_count.ToString();
            serpent.Direction = Direction.Right;

        }

        private void checkBox1_Click(object sender, EventArgs e)
        {
            comboBox1.Enabled = this.checkBox1.Checked;
        }

    }
    public enum SerpentState
    {
        Moving,
        NextLevel,
        Error
    }
}

主界面

 欢迎大家批评指正，代码写的比较乱

项目下载地址：http://pan.baidu.com/share/link?shareid=130990&uk=33979446

可执行文件地址：http://pan.baidu.com/share/link?shareid=130991&uk=33979446