C#贪吃蛇

新建一个窗体C#应用

Block.cs里面的代码：

using System;using System.Linq;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Collections;using System.Timers;namespace WindowsFormsApplication1{    class Block    {        private Color _color;  //颜色        private int _size;   //单位大小        private Point _point; //坐标        public Block(Color color, int size, Point p)        {            this._color = color;            this._size = size;            this._point = p;        }        public Point Point        {            get { return this._point; }        }        //绘制自身到画布        public virtual void Paint(Graphics g)        {            SolidBrush sb = new SolidBrush(_color);            lock (g)            {                try                {                    g.FillRectangle(sb,                        this.Point.X * this._size,                        this.Point.Y * this._size,                        this._size - 1,                        this._size - 1);                }                catch                { }            }        }    }}

Palette.cs：

using System;using System.Collections;using System.Drawing;using System.Timers;namespace WindowsFormsApplication1{    class Palette    {        private int _width = 20;   //宽度        private int _height = 20;  //高度        private Color _bgColor;  //背景色        private Graphics _gpPalette; //画布        private ArrayList _blocks;   //蛇块列表        private Direction _direction;  //前进的方向        private Timer timerBlock;   //更新器        private Block _food;   //当前食物        private int _size = 20;   //单位大小        private int _level = 1;    //游戏等级        private bool _isGameOver = false;        private int[] _speed = new int[] { 500, 450, 400, 350, 300, 250, 200, 150, 100, 50 };//游戏速度        //构造函数很简单就是设定类属性值，还有初始化蛇块列表ArrayList         public Palette(int width, int height, int size, Color bgColor, Graphics g, int lvl)          {            this._width = width;            this._height = height;            this._size = size;             this._bgColor = bgColor;            this._level = lvl;            this._gpPalette = g;            this._blocks = new ArrayList();            this._blocks.Insert(0, (new Block(Color.Red, this._size, new Point(width / 2, height / 2))));   //这句话就是在画布的正中央产生一个只有一节的贪吃蛇            this._direction = Direction.Right;        }        public Direction Direction        {            get             {                return _direction;            }            set            {                _direction = value;            }        }        //开始游戏        public void Start()          {            this._food = GetFood();//生成一个食物            //初始化计时器            timerBlock = new System.Timers.Timer(_speed[this._level]);            timerBlock.Elapsed+=new ElapsedEventHandler(OnBlockTimedEvent);            timerBlock.AutoReset = true;            timerBlock.Start();        }        //定时更新        private void OnBlockTimedEvent(object source, ElapsedEventArgs e)        {            this.Move();//前进一个单位            if (this.CheckDead()) //检测是否游戏结束            {                this.timerBlock.Stop();                this.timerBlock.Dispose();                System.Windows.Forms.MessageBox.Show("Score:"+this._blocks.Count,"Game Over");            }        }        //检查游戏是否有戏结束        private bool CheckDead()        {             Block head = (Block)(this._blocks[0]);// 取蛇块列表的第一个，即蛇头            //检查是否超出画布范围            if (head.Point.X < 0 || head.Point.Y<0||head.Point.X >= this._width || head.Point.Y >= this._height)                return true;            for (int i = 1; i < this._blocks.Count; i++)   //检查是否撞上自己            {                 Block b=(Block)this._blocks[i];                if (head.Point.X == b.Point.X && head.Point.Y == b.Point.Y)                  {                    this._isGameOver = true;                    return true;                }            }            this._isGameOver = false;            return false;        }        //前进一节        private void Move()        {            Point p;  //下一个坐标位置            Block head = (Block)(this._blocks[0]);            if (this._direction == Direction.Up)                p = new Point(head.Point.X, head.Point.Y - 1);            else if (this._direction == Direction.Down)                p = new Point(head.Point.X, head.Point.Y + 1);            else if (this._direction == Direction.Left)                p = new Point(head.Point.X - 1, head.Point.Y);            else                p = new Point(head.Point.X+1,head.Point.Y);            //生成新坐标，将来成为蛇头            Block b = new Block(Color.Blue,this._size,p);            //如果下一个坐标不是当前食物坐标，那么从蛇块信息列表中删除最后一哥蛇块            if (this._food.Point!= p)                this._blocks.RemoveAt(this._blocks.Count - 1);            //如果下一个坐标和食物坐标重合，那么就成一个新食物            else                this._food = this.GetFood();            //把下一个坐标插入到蛇块信息列表的第一个，使其成为蛇头            this._blocks.Insert(0,b);            this.PaintPalette(this._gpPalette); //更新画板        }        //生成下一个食物，也就是下一节蛇块        public Block GetFood()        {            Block food = null;            Random r = new Random();            bool redo = false;            while (true)            {                redo = false;                int x = r.Next(this._width);                int y = r.Next(this._height);                for (int i = 0; i < this._blocks.Count; i++)  //检查食物所在所标是否和贪吃蛇冲突                {                    Block b = (Block)(this._blocks[i]);                    if (b.Point.X == x && b.Point.Y == y) //有冲突时，再随机找一个坐标                    {                        redo = true;                    }                }                if (redo == false)                {                    food = new Block(Color.Black,this._size,new Point(x,y));                    break;                }            }            return food;        }        //更新画板PaintPalette函数需要一个参数，也就是绘图句柄，然后在这个画布上画图也就是我们看到的游戏效果        public void PaintPalette(Graphics gp)         {            gp.Clear(this._bgColor);            this._food.Paint(gp);            foreach (Block b in this._blocks)                b.Paint(gp);        }    }    //枚举四个方向    public enum Direction    {        Left,        Right,        Up,        Down    }}

Program.cs  里面自动生成的代码。