本文共 10866 字，大约阅读时间需要 36 分钟。

夜光序言：

凡事都有前因后果，笨鸟为什么先飞？缘于坚持不懈，勤奋练习；江郎为什么才尽？只因得意忘形，终日饱食。种豆得豆，种瓜得瓜，因果报应，环环相扣。

正文：

贪吃蛇完整的

     -- 夜光项目代码：

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 测试1{    //夜光：定义一个方向    //枚举值类型    enum Direction    {        Left,        Right,        Up,        Down,    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 测试1{    class Snake    {        //下面我们建立一个单例        private static Snake instance = null;        public static Snake Instance()        {            if (instance == null)            {                instance = new Snake();            }            return instance;        }        //这里，我们需要定义一个蛇的每一节        //用泛型数组        //一开始就把蛇的身体给创建出来        List
   
     body = new List
    
     ();        //把蛇的方向给设置好        Direction dir = Direction.Right;        Point tail; //定义一个尾部，默认值就是（0,0）        /// 
     
        /// 用于做数据初始化        /// 
        public void Start()        {            //之前我们学过构造函数的吧            //。。靓仔，写一下            body.Add(new Point(4,2));            body.Add(new Point(3,2));            body.Add(new Point(2,2));        }        //判断游戏是否结束        //肯定是布尔类型        //判断依据        //1.蛇头是否撞上墙        //2.蛇头是否触碰到自己身体        private bool IsGameOver()        {            /*            //我们可以抛出一个异常                        throw new NotImplementedException();*/            Point head = body[0];  //蛇头的坐标            //1.蛇头是否撞上墙            if (Map.Instance().GetAt(head) == Map.Wall)                return true;            //2.蛇头是否触碰到自己身体            for(int i = 1; i < body.Count; i++)            {                if(body[i] == head)                {                    return true;                }            }            return false;        }        /// 
     
        /// 夜光：处理转向判断        /// 注意：只能往蛇的前进方向的侧方向        /// 1.获取按键输入        /// 2.判定是否可以移动        /// 3.改变dir        /// 
        private void Turn()        {            //1.获取按键输入            if (Console.KeyAvailable)            {                ConsoleKey key = Console.ReadKey(true).Key;                //2.判定是否可以移动                if(key == ConsoleKey.LeftArrow && dir != Direction.Right)                {                    dir = Direction.Left;                }                else if(key == ConsoleKey.RightArrow && dir != Direction.Left)                {                    dir = Direction.Right;                }                else if (key == ConsoleKey.UpArrow && dir != Direction.Down)                {                    dir = Direction.Up;                }                else if (key == ConsoleKey.DownArrow && dir != Direction.Up)                {                    dir = Direction.Down;                }            }        }        /// 
     
        /// 根据蛇的移动方向dir，在地图上前行        /// 
        private void Move()        {            Point offset = new Point(0,0); //我们定义一个偏移的变量            //并且给他一个默认值            //夜光：我们switch一下            switch (dir)            {                case Direction.Left:                    offset = new Point(-1, 0);                    break;                case Direction.Right:                    offset = new Point(1, 0);                    break;                case Direction.Up:                    offset = new Point(0, -1);                    break;                case Direction.Down:                    offset = new Point(0, 1);                    break;            }            Point head = body[0]; //夜光（2,4）第二列第四行            // head += offset  至于怎么写，后面再说            head = head + offset;//(2,4)+(1,0)  需要写一个加运算符的重载            //夜光：插入元素            body.Insert(0, head);  //插入头部            tail = body[body.Count -1]; // 增加蛇的身体            //数组减1的位置            body.RemoveAt(body.Count - 1);  //删除尾巴，操作        }        /// 
     
        /// 判定蛇头位置是否有食物，如果有，则        /// 1.在地图上删除该位置的食物        /// 2.蛇的身体增加一节        /// 3.重新生成一个食物        /// 
        private void Eat()        {            Point head = body[0]; //我们先把蛇头位置给取出来            if(Map.Instance().GetAt(head) == Map.Food)            {                // 1.在地图上删除该位置的食物                //设置成一个空地，blank                Map.Instance().SetAt(head, Map.Blank);                // 2.蛇的身体增加一节（尾部不删除，换个思路）                body.Add(tail);                // 3.重新生成一个食物                Map.Instance().GenFood();  //直接调用这个生成食物的方法            }        }        public void Update()        {            if (IsGameOver())                return;            Turn();            Move();            Eat();        }        public void Draw()        {            for (int i=0;i
    
   

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 测试1{    //我们希望s2 = s1 赋值的时候    //是把s1的内容(x,y)拷贝给s2(x,y)    //而非让s2和s1指向同一块内存    struct Point    {        public int x;        public int y;        public Point(int x, int y)        {            //学编程，明白this指向当前上方的int x            this.x = x; //把局部变量x 赋值给成员变量x            this.y = y;        }        //+运算符重载        public static Point operator +(Point p1, Point p2)        {            return new Point(p1.x + p2.x, p1.y + p2.y);                }        //-运算符重载        public static bool operator==(Point p1, Point p2)        {            return p1.x == p2.x && p1.y == p2.y;        }        //取反一下，试试        public static bool operator !=(Point p1, Point p2)        {            return !(p1 == p2);        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 测试1{        //夜光         //这个是地图类，主要用来绘制贪吃蛇地图    class Map    {        //下面我们建立一个单例        private static Map instance = null;        public static Map Instance()        {            if(instance == null)            {                instance = new Map();            }            return instance;        }        /// 
        /// 地图块类型        /// 
       /* enum TileType   想了想，做成枚举值，太麻烦，还是做成常量        {            Blank,            Wall,            Food,        }*/        public const int Blank = 0;        public const int Wall = 1;        public const int Food = 2;                private int[,] map = null;  //夜光：设计思想        //设置成私有的        /// 
        /// 为了生成食物，定义的一个随机数        /// 
        private Random rnd = new Random();        public int GetAt(Point pt)        {            return map[pt.y,pt.x];        }        /// 
        /// 写一个让食物消失的方法        /// 没有返回值，是设定        /// 
        ///         public void SetAt(Point pt,int value)        {            map[pt.y, pt.x] = value;        }        //我们写一个生成食物的方法        //夜光：写在map类里面        /// 
        /// 规则：        /// 1.只能在空地上生成        /// 2.不可以在蛇的身体上生成(这个暂时不需要~~)        /// 
        public void GenFood()        {            Point pt;            for(; ; )            {                //这就是死循环，那么什么时候退出呢                //x和y的生成                pt.x = rnd.Next(map.GetLength(1));                pt.y = rnd.Next(map.GetLength(0));                //下面就是判断                if(GetAt(pt) == Map.Blank)                {                    map[pt.y, pt.x] = Map.Food;                    return;                }            }        }        /// 
        /// 用于做数据初始化        /// 
        public void Start()        {            //边缘一圈是墙            map = new int[20, 20]            {            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,},            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},            };            GenFood();        }        /// 
        /// 存放逻辑处理（数据运算）        /// 
        public void Update()        {           /* //抛出异常            throw new NotImplementedException(); //未实现的异常*/                    }        /// 
        /// 图形绘制        /// 
        public void Draw()        {            for(int i = 0;i < map.GetLength(0); i++)  //行            {                for(int j=0;j< map.GetLength(1); j++)  //列                {                    Console.SetCursorPosition(j*2,i);                    //关于颜色的设置                    //前景色和背景色                    //Console.ForegroundColor = ConsoleColor.Yellow;                                       switch (map[i, j])                    {                        case Map.Wall:                            Console.BackgroundColor = ConsoleColor.Gray;                            Console.ForegroundColor = ConsoleColor.Gray;                            //只有中文的空格，长宽才是一样的                            Console.Write("  ");                            break;                        case Map.Food:                            Console.BackgroundColor = ConsoleColor.Gray;                            Console.ForegroundColor = ConsoleColor.DarkCyan;                            //只有中文的空格，长宽才是一样的                            Console.Write("●");                            break;                        case Map.Blank:                            Console.BackgroundColor = ConsoleColor.Gray;                            Console.ForegroundColor = ConsoleColor.DarkCyan;                            //只有中文的空格，长宽才是一样的                            Console.Write("  ");                            break;                    }                                   }            }        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Threading.Tasks;namespace 测试1{    class Program    {        static void Main(string[] args)        {            //夜光：我们做一个贪吃蛇的游戏            //首先，根据单例，初始化两个            Snake.Instance().Start();            Map.Instance().Start();            //之后写一个for循环            for(; ; )            {                //为什么晃得很厉害                //一帧（frame）画面                Snake.Instance().Update();                Map.Instance().Update();                               Map.Instance().Draw();  //先画地图再画蛇                Snake.Instance().Draw();                //针对之前的闪烁问题                //我们可以使用休眠的方式来缓解                Thread.Sleep(100);            }             }    }}

转载地址：http://vrfo.baihongyu.com/