我做的贪吃蛇

最新推荐文章于 2024-10-13 20:36:15 发布

carlbiao

最新推荐文章于 2024-10-13 20:36:15 发布

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分类专栏： .NET技术文章标签： components object 游戏 timer random button

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本文分享了作者使用C#语言开发的一款贪吃蛇游戏，包括游戏界面设计和实现代码。游戏具有开始、暂停及重新开始等功能，并通过方向键控制蛇的移动。

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花了一天时间，我终于把贪吃蛇这游戏写出来了，这也是我学C#两个多月以来写的第一个能稍微拿出来给大家看的程序，希望大家能多提意见，能指出错误和改正的办法。其中还有一个小问题还没解决，就是当按方向键控制蛇的移动的时候，旁边的按钮的焦点捕获也在更换，这是系统默认的，我还不知道怎么修改。下面是代码：

Form的设计代码：

namespace snake { partial class Form1 { /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// 清理所有正在使用的资源。 /// </summary> /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param> protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗体设计器生成的代码 /// <summary> /// 设计器支持所需的方法 - 不要 /// 使用代码编辑器修改此方法的内容。 /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.btnStart = new System.Windows.Forms.Button(); this.btnRetry = new System.Windows.Forms.Button(); this.timer = new System.Windows.Forms.Timer(this.components); this.labelScor = new System.Windows.Forms.Label(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.label3 = new System.Windows.Forms.Label(); this.labellevel = new System.Windows.Forms.Label(); this.label4 = new System.Windows.Forms.Label(); this.buttonstop = new System.Windows.Forms.Button(); this.SuspendLayout(); // // btnStart // this.btnStart.Location = new System.Drawing.Point(442, 24); this.btnStart.Name = "btnStart"; this.btnStart.Size = new System.Drawing.Size(75, 23); this.btnStart.TabIndex = 0; this.btnStart.Text = "开始"; this.btnStart.UseVisualStyleBackColor = true; this.btnStart.Click += new System.EventHandler(this.button1_Click); // // btnRetry // this.btnRetry.Enabled = false; this.btnRetry.Location = new System.Drawing.Point(442, 117); this.btnRetry.Name = "btnRetry"; this.btnRetry.Size = new System.Drawing.Size(75, 23); this.btnRetry.TabIndex = 1; this.btnRetry.Text = "重新开始"; this.btnRetry.UseVisualStyleBackColor = true; this.btnRetry.Click += new System.EventHandler(this.button2_Click); // // timer // this.timer.Interval = 500; this.timer.Tick += new System.EventHandler(this.timer_Tick); // // labelScor // this.labelScor.AutoSize = true; this.labelScor.Location = new System.Drawing.Point(485, 188); this.labelScor.Name = "labelScor"; this.labelScor.Size = new System.Drawing.Size(11, 12); this.labelScor.TabIndex = 2; this.labelScor.Text = "0"; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(438, 188); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(41, 12); this.label1.TabIndex = 3; this.label1.Text = "得分："; // // label2 // this.label2.AutoSize = true; this.label2.Location = new System.Drawing.Point(442, 222); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(0, 12); this.label2.TabIndex = 4; // // label3 // this.label3.AutoSize = true; this.label3.Location = new System.Drawing.Point(440, 221); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(41, 12); this.label3.TabIndex = 5; this.label3.Text = "等级："; // // labellevel // this.labellevel.AutoSize = true; this.labellevel.Location = new System.Drawing.Point(484, 221); this.labellevel.Name = "labellevel"; this.labellevel.Size = new System.Drawing.Size(11, 12); this.labellevel.TabIndex = 6; this.labellevel.Text = "1"; // // label4 // this.label4.AutoSize = true; this.label4.Location = new System.Drawing.Point(428, 263); this.label4.Name = "label4"; this.label4.Size = new System.Drawing.Size(89, 96); this.label4.TabIndex = 7; this.label4.Text = "游戏说明：/r/n该游戏和平时流/r/n行的贪吃蛇的规/r/n则是一样的。游/r/n戏速度和得分是/r/n用等级控制的，/r/n每吃到5个食物/r/n上升一个等级。"; // // buttonstop // this.buttonstop.Enabled = false; this.buttonstop.Location = new System.Drawing.Point(442, 71); this.buttonstop.Name = "buttonstop"; this.buttonstop.Size = new System.Drawing.Size(75, 23); this.buttonstop.TabIndex = 8; this.buttonstop.Text = "暂停"; this.buttonstop.UseVisualStyleBackColor = true; this.buttonstop.Click += new System.EventHandler(this.buttonstop_Click); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(542, 423); this.Controls.Add(this.buttonstop); this.Controls.Add(this.label4); this.Controls.Add(this.labellevel); this.Controls.Add(this.label3); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.Controls.Add(this.labelScor); this.Controls.Add(this.btnRetry); this.Controls.Add(this.btnStart); this.KeyPreview = true; this.MaximizeBox = false; this.MaximumSize = new System.Drawing.Size(550, 450); this.MinimumSize = new System.Drawing.Size(550, 450); this.Name = "Form1"; this.Text = "贪吃蛇 V1.2 Made By Carlbiao"; this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.Button btnStart; private System.Windows.Forms.Button btnRetry; private System.Windows.Forms.Timer timer; private System.Windows.Forms.Label labelScor; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label3; private System.Windows.Forms.Label labellevel; private System.Windows.Forms.Label label4; private System.Windows.Forms.Button buttonstop; } }

Form的实现代码：

using System; using System.Collections.Generic; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace snake { public partial class Form1 : Form { //单位矩形： struct GameRect { public int x;//x坐标 public int y;//y坐标 public int flagnumber;//记录已占有的格子 } //初始化变量 GameRect[] FillArray = new GameRect[400];//记录下已占用的方格 int[] nFilledArray = new int[400];//记录下已占用的方格号，便于随即生成 int nTrun;//表示蛇的移动方向，初始向上，代表上，代表下，代表左，代表右 int nFillLength; bool bflag = true;//是否随即产生食物，是为true，否为false。 int nfood;//记录食物的格子 int nScore; int nlevel; bool levelflag; bool addlevelflag; GameRect lastRect;//记录蛇的最后一个格子 public Form1() { InitializeComponent(); } protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); //画出区域 Rectangle a = new Rectangle(10, 10, 400, 400); e.Graphics.DrawRectangle(Pens.White, a); e.Graphics.FillRectangle(Brushes.White, a); //画垂直线 for (int i = 0; i < 21; i++) { Point pTop = new Point(i * 20+10, 10); Point pBottom = new Point(i * 20+10, 410); e.Graphics.DrawLine(Pens.Silver, pTop, pBottom); } //画水平线 for (int i = 0; i < 21; i++) { Point pLeft = new Point(10, i * 20 + 10); Point pRight = new Point(410, i * 20 + 10); e.Graphics.DrawLine(Pens.Silver, pLeft, pRight); } if (btnRetry.Enabled == true) { FillGameRect(FillArray, Brushes.Blue); FillFood(); } } //时间事件 private void timer_Tick(object sender, EventArgs e) { labelScor.Text = Convert.ToString(nScore); labellevel.Text = Convert.ToString(nlevel); Speed(); if (bflag) { CreateFood(); bflag = false; } SnakeRun(); CheckEate(); CheckGame(); } //开始按钮 private void button1_Click(object sender, EventArgs e) { timer.Enabled = true; btnRetry.Enabled = true; btnStart.Enabled = false; buttonstop.Enabled = true; InitializeGame(); } //重新开始按钮 private void button2_Click(object sender, EventArgs e) { btnRetry.Enabled = false; btnStart.Enabled = true; timer.Enabled = false; Invalidate(); InitializeGame(); } void FillGameRect(GameRect[] items,Brush brush)//填充矩形 { Graphics g = this.CreateGraphics(); for (int i = 0; i < nFillLength; i++) { Rectangle myrectangle = new Rectangle(11 + (items[i].x - 1) * 20, 11 + (items[i].y - 1) * 20, 19, 19); if(i == 0) g.FillRectangle(Brushes.Red, myrectangle); else g.FillRectangle(brush, myrectangle); } g.Dispose(); } void SnakeRun()//蛇动起来的函数 { GameRect temp = FillArray[0]; lastRect = FillArray[nFillLength - 1]; FillGameRect(FillArray, Brushes.White); for (int i = nFillLength - 1; i > 0; i--) { FillArray[i] = FillArray[i - 1]; } switch (nTrun) { //向上走 case 0: FillArray[0].x = temp.x; FillArray[0].y = temp.y - 1; break; //向下走 case 1: FillArray[0].x = temp.x; FillArray[0].y = temp.y + 1; break; //向左走 case 2: FillArray[0].x = temp.x - 1; FillArray[0].y = temp.y; break; //向右走 case 3: FillArray[0].x = temp.x + 1; FillArray[0].y = temp.y; break; default: MessageBox.Show("程序出现错误！"); break; } FillArray[0].flagnumber = (FillArray[0].y - 1) * 20 + FillArray[0].x; for (int i = 0; i < nFillLength; i++) nFilledArray[i] = FillArray[i].flagnumber; FillGameRect(FillArray, Brushes.Blue); } void InitializeGame()//初始化游戏数据 { bflag = true; nTrun = 0; nlevel = 1; nScore = 0; levelflag = false; addlevelflag = true; GameRect GameRectStart = new GameRect(); GameRect b = new GameRect(); GameRectStart.x = 10; GameRectStart.y = 10; GameRectStart.flagnumber = (GameRectStart.y - 1) * 20 + GameRectStart.x; b.x = 10; b.y = 11; b.flagnumber = (b.y - 1) * 20 + b.x; FillArray[0] = GameRectStart; nFilledArray[0] = GameRectStart.flagnumber; nFilledArray[1] = b.flagnumber; FillArray[1] = b; nFillLength = 2; FillGameRect(FillArray, Brushes.Blue); for (int i = 0; i < nFillLength; i++) nFilledArray[i] = FillArray[i].flagnumber; labelScor.Text = Convert.ToString(nScore); labellevel.Text = Convert.ToString(nlevel); } //响应方向键，控制蛇的移动方向 protected override bool ProcessDialogKey(Keys keyData) { switch (keyData) { case Keys.Up: if (nTrun != 1) nTrun = 0; break; case Keys.Down: if (nTrun != 0) nTrun = 1; break; case Keys.Left: if (nTrun != 3) nTrun = 2; break; case Keys.Right: if (nTrun != 2) nTrun = 3; break; default: break; } return base.ProcessDialogKey(keyData); } //检查游戏是否结束 void CheckGame() { if (FillArray[0].x > 20 || FillArray[0].y > 20 || FillArray[0].x < 1 || FillArray[0].y < 1) { timer.Enabled = false; MessageBox.Show("很遗憾，游戏结束！欢迎您下次继续玩！/n" + "您这次的分数是：" + Convert.ToString(nScore)); } else { for (int i = 1; i < nFillLength; i++) { if (FillArray[0].flagnumber == nFilledArray[i]) { timer.Enabled = false; MessageBox.Show("很遗憾，游戏结束！欢迎您下次继续玩！/n"+"您这次的分数是："+Convert.ToString(nScore)); break; } } } } //创建食物 void CreateFood() { int x, y; Random r = new Random(); nfood = r.Next(1, 401); if (nfood % 20 == 0) { y = nfood / 20; x = 20; } else { y = nfood / 20 + 1; x = nfood % 20; } } //检查是否吃到食物 void CheckEate() { FillFood(); if (FillArray[0].flagnumber == nfood) { nScore = nScore+nlevel*1; FillArray[nFillLength] = lastRect; Graphics myg = this.CreateGraphics(); Rectangle my_rectangle = new Rectangle(11 + (FillArray[nFillLength].x - 1) * 20, 11 + (FillArray[nFillLength].y - 1) * 20, 19, 19); myg.FillRectangle(Brushes.Blue, my_rectangle); nFillLength++; bflag = true; myg.Dispose(); } } //等级调节速度和时间 void Speed() { if (nScore > 0) { if (nScore % 5 == 0) { if (addlevelflag) { levelflag = true; addlevelflag = false; } } else addlevelflag = true; } if (levelflag) { nlevel++; levelflag = false; } timer.Interval = 500 - (nlevel - 1) * 50; } private void Form1_Load(object sender, EventArgs e) { } //暂停继续键 private void buttonstop_Click(object sender, EventArgs e) { if (timer.Enabled) { timer.Enabled = false; buttonstop.Text = "继续"; } else { timer.Enabled = true; buttonstop.Text = "暂停"; } } //填充食物方格 void FillFood() { int x, y; if (nfood % 20 == 0) { y = nfood / 20; x = 20; } else { y = nfood / 20 + 1; x = nfood % 20; } Rectangle myrectangle = new Rectangle(11 + (x - 1) * 20, 11 + (y - 1) * 20, 19, 19); Graphics g = this.CreateGraphics(); g.FillRectangle(Brushes.Blue, myrectangle); g.Dispose(); } } }