贪吃蛇代码

贪吃蛇代码 小东西帮我们步入c#编程的殿堂 Formmain.cs using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace snake { public partial class Formmain : Form // partial代局部类型，也指是自动生成的代码 { private Palette p; public Formmain() { InitializeComponent(); } private void pictureBox1_Paint(object sender, PaintEventArgs e)//更??新?游??戏??画-面? { if (p != null) { p.PaintPalette(e.Graphics); } } private void FormMain_KeyDown(object sender, KeyEventArgs e)//相??应?|用??户?ì按ã?ä键?? { if ((e.KeyCode == Keys.W || e.KeyCode == Keys.Up) && p.Direction != Direction.Down) { p.Direction = Direction.Up; return; } if ((e.KeyCode == Keys.S || e.KeyCode == Keys.Down) && p.Direction != Direction.Up) { p.Direction = Direction.Down; return; } if ((e.KeyCode == Keys.D || e.KeyCode == Keys.Right) && p.Direction != Direction.Left) { p.Direction = Direction.Right; return; } if ((e.KeyCode == Keys.A || e.KeyCode == Keys.Left) && p.Direction != Direction.Right) { p.Direction = Direction.Left; return; } } private void FormMain_Load(object sender, EventArgs e)//做Á?一??些?初?始º?化??工?è作Á? { int width, height, size;//定??义??画-布?长?è宽?ª高?，ê?及?ã每?个?蛇??块??的Ì?大ä??小? width = height = 20; size = 15; //设???定??游??戏??窗ä?ã口??大ä??小? this.pictureBox1.Width = width * size; this.pictureBox1.Height = height * size; this.Width = pictureBox1.Width + 30; this.Height = pictureBox1.Height + 60; //定??义??一??个?新?的Ì?画-布?(ê??宽?ª度??、?é高?度??、?é单Ì??位?大ä??小?、?é背À3景?ã色??、?é绘?图ª?句?柄À??，ê?游??戏??等Ì??级?)ê? p = new Palette(width, height, size, this.pictureBox1.BackColor, Graphics.FromHwnd(this.pictureBox1.Handle), 5); //游??戏??开a始º? p.start(); } } } Block.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Drawing; namespace snake { class Block//block类用于描述蛇快的颜色、大小、坐标等的信息 { private Color _color;//记??录??蛇????的Ì?Ì???颜??色???? private Point _point;//记??录??蛇????的Ì?Ì???坐Á?Á??é?标À?ºÀ??è??ìº private int _size;//记??录??蛇????的Ì?Ì???单Ì??Ì????º???位??大ä??ä??ì?小?? public Block(Color color, int size, Point p) { this._color = color; this._point = p; this._size = size; } public Point Point { get { return this._point; } } //绘??制??自Á?Á??é?身??ª???ìª到Ì?Ì???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.Drawing; using System.Collections; using System.Timers; namespace snake { class Palette { private int _width = 20;//高??度????ì??ì private int _height = 20;//宽?ª??ìª度????ì??ì private Color _bgcolor;//背À3À??è3景?ã?ã颜??色???? private Graphics _bgpalette;//画--布?? private ArrayList _blocks;//蛇????块????ì?列?D???D表À?ªÀ??è??ìª private Graphics _gpPalatte;//画-布? private Direction _direction;//方??向?? private Timer timerblock;//更??新?器? private Block _food;//当Ì?À前?ã食º3物? private int _size = 20;//定??义??单Ì??位?大ä??小? private int _level = 1;//等Ì??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1造??函??数ºy，ê?传ä?参?，ê?初?始º?化??。?ê public Palette(int width, int height, int size, Color bgcolor, Graphics g, int lvl) { this._width = width; this._bgcolor = bgcolor; this._size = size; this._height = height; this._bgpalette = g; this._level = lvl; this._blocks = new ArrayList(); //画-布?正y中D有?D一??节??蛇??块??的Ì?贪??ã吃?蛇?? this._blocks.Insert(0, (new Block(Color.Red, this._size, new Point(width / 2, height / 2)))); this._direction = Direction.Right; } public Direction Direction { {return this._direction;} get set { this._direction = value; } } public void start()//开a始º?游??戏?? { this._food = GetFood();//生???成??一??个?食º3物? //初?始º?化??计?时º?À器? timerblock = new System.Timers.Timer(_speed[this._level]); timerblock.Elapsed +=new System.Timers.ElapsedEventHandler(onblocktimereven); timerblock.AutoReset = true; timerblock.Start(); } private bool CheckDead()//检??查??游??戏??是º?否??结??束º? { Block head = (Block)(this._blocks[0]);//取??出?蛇??块??的Ì?第Ì??一??个?，ê?即?ä蛇??头ª?? //检??查??是º?否??超?出?画-布?范??围?ì 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º?否??撞Á2上??自Á?己o { 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; } private void onblocktimereven(object source, ElapsedEventArgs e)//定??时º?À更??新? { this.move();//前?ã进?一??个?单Ì??位? if (this.CheckDead())//检??测a是º?否??结??束º? { this.timerblock.Stop(); this.timerblock.Dispose(); System.Windows.Forms.MessageBox.Show("Score:" + this._blocks.Count, "GAME OVER"); } } private void move()//前?ã进?一??截? { Point p;//下?一??个?坐Á?标À?º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Á?标À?º，ê?将?来??ä生???成??蛇??头ª?? Block b = new Block(Color.Red, this._size, p); //如??果?下?一??坐Á?标À?º不?是º?食º3物?坐Á?标À?º，ê?那?么?ä删??除y蛇??身??ª最Á?后??一??个?蛇??块?? if (this._food.Point != p) this._blocks.RemoveAt(this._blocks.Count - 1); //如??果?下?一??个?坐Á?标À?º和?ª食º3物?重?合?，ê?那?么?ä就?ª生???成??一??个?新?的Ì?食º3物? else this._food = this.GetFood(); //把ã?下?一??个?下?一??个?坐Á?标À?º插?入??到Ì?蛇??块??信?息?é列?D表À?ª的Ì?第Ì??一??个?，ê?使º1其?成??为a蛇??头ª?? this._blocks.Insert(0, b); this.PaintPalette(this._bgpalette);//更??新?画-板ã? } public void PaintPalette(Graphics gp)//更??新?画-面?函??数ºy { gp.Clear(this._bgcolor); this._food.Paint(gp); foreach (Block b in this._blocks) b.Paint(gp); } private Block GetFood()//生???成??下?一??个?食º3物? { 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?? { Block b = (Block)(this._blocks[i]); if(b.Point.X==x && b.Point.Y==y)//有?D冲?突ª?时º?À再??随?机??分??配?一??个?坐Á?标À?º { redo= true; } } if (redo == false) { food = new Block(Color.Black, this._size, new Point(x, y)); break; } } return food; }