C#贪吃蛇小游戏

最新推荐文章于 2025-06-03 18:16:45 发布

慕子魇

最新推荐文章于 2025-06-03 18:16:45 发布

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CC 4.0 BY-SA版权

文章标签：游戏程序

原文链接：https://blog.youkuaiyun.com/ll200418/article/details/102766855?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-1.base&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFrom

这是一个使用C#编写的贪吃蛇游戏，通过键盘钩子监听用户输入，实现了方向键控制蛇的移动。游戏包含了食物生成、蛇的移动、碰撞检测和分数计算等功能。当蛇头碰到边界或自身身体时，游戏结束。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

一时兴起做了一个贪吃蛇，借鉴了下面大神的素材，解决了大神没有方向键的问题

from1

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

namespace 贪吃蛇
{
public partial class Form1 : Form
{
static int score;
static int foodx, foody;
KeyEventHandler myKeyEventHandeler;
KeyboardHook k_hook = new KeyboardHook();
int lastKey = 0;

public Form1()
{
InitializeComponent();
}

private void timer1_Tick(object sender, EventArgs e)
{
DrawSnake();
DrawFood();
}

public void DrawFood()
{
Graphics f = this.CreateGraphics();
SolidBrush mybrush = new SolidBrush(Color.Red);
f.FillRectangle(mybrush, foodx, foody, 10, 10);
}

public void DrawSnake()
{
RectangleF[] rectangles = new RectangleF[Snake.realsnake.Count];

int num;
for (num = 0; num < Snake.realsnake.Count; num++)
{
rectangles[num] = new RectangleF(Snake.realsnake[num].Location_x,
Snake.realsnake[num].Location_y, Snake.width, Snake.height);
}
this.Refresh();
Graphics g = this.CreateGraphics();
SolidBrush myBrush = new SolidBrush(Color.Black);
g.FillRectangles(myBrush, rectangles);
}

private void timer2_Tick(object sender, EventArgs e)
{
Snake.SnakeMove(Snake.wasd);
EatFood();
TobeOrNotTobe();
label2.Text = score.ToString();
}

public void TobeOrNotTobe()
{
int x = Snake.realsnake[Snake.realsnake.Count - 1].Location_x;
int y = Snake.realsnake[Snake.realsnake.Count - 1].Location_y;
if (!(x <= 500 && x >= 0 && y <= 500 && y >= 0))
{
GameOver();
timer2.Enabled = false;
}
}

public void GameOver()
{
label3.Visible = true;
label4.Visible = true;
label5.Text = score.ToString();
label5.Visible = true;
button1.Text = "重新开始";
button1.Visible = true;
stopListen();
}

public void EatFood()
{
if (Snake.realsnake[Snake.realsnake.Count - 1].Location_x == foodx
&& Snake.realsnake[Snake.realsnake.Count - 1].Location_y == foody)
{
newfood();
Snake.EatLong();
score += 1;
}
}

public void newfood()
{
Food food = new Food();
foodx = food.Location_x;
foody = food.Location_y;
}

public void button1_Click(object sender, EventArgs e)
{
Snake.Snakestart();
newfood();
score = 0;
timer1.Enabled = true;
timer2.Enabled = true;
button1.Visible = false;
label3.Visible = false;
label4.Visible = false;
label5.Visible = false;
startListen();
}

private void hook_KeyDown(object sender, KeyEventArgs e)
{
// 这里写具体实现
if (e.KeyCode.Equals(Keys.W)&&lastKey!=2)
{
lastKey = 8;
Snake.wasd = 8;
}
if (e.KeyCode.Equals(Keys.S) && lastKey!=8)
{
lastKey = 2;
Snake.wasd = 2;
}
if (e.KeyCode.Equals(Keys.A) && lastKey!=6)
{
lastKey = 4;
Snake.wasd = 4;
}
if (e.KeyCode.Equals(Keys.D) && lastKey!=4)
{
lastKey = 6;
Snake.wasd = 6;
}
}

/// <summary>
/// 开始监听
/// </summary>
public void startListen()
{

myKeyEventHandeler = new KeyEventHandler(hook_KeyDown);

k_hook.KeyDownEvent += myKeyEventHandeler;//钩住键按下
k_hook.Start();//安装键盘钩子
}

/// <summary>
/// 结束监听
/// </summary>
public void stopListen()
{
if (myKeyEventHandeler != null)
{
k_hook.KeyDownEvent -= myKeyEventHandeler;//取消按键事件
myKeyEventHandeler = null;
k_hook.Stop();//关闭键盘钩子
}
}
}
}

Snake.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 贪吃蛇
{
public class Snake
{
public int Location_x;//0为x，1为y
public int Location_y;
public static int width = 10, height = 10;
public static List<Snake> realsnake = new List<Snake>();

//当前方向
public static int wasd;

public Snake()
{
Location_x = 250;
Location_y = 250;

}
public static void Snakestart()
{
wasd = 6;

realsnake.Clear();
Snake s0 = new Snake();
Snake s1 = new Snake();
Snake s2 = new Snake();
Snake s3 = new Snake();
realsnake.Add(s0);

s1.Location_x = s0.Location_x - 10;
realsnake.Add(s1);
s2.Location_x = s1.Location_x - 10;
realsnake.Add(s2);
s3.Location_x = s2.Location_x - 10;
realsnake.Add(s3);
//添加四个长度，横向添加list 初始化小蛇蛇完成
}
public static void SnakeMove(int x)//8426
{
int i = realsnake.Count - 1;

if (x == 8)
{
//对list蛇身进行处理
Snakelist();
realsnake[i].Location_y -= 10;
}
else if (x == 4)
{
Snakelist();
realsnake[i].Location_x -= 10;
}
else if (x == 2)
{
Snakelist();
realsnake[i].Location_y += 10;
}
else if (x == 6)
{
Snakelist();
realsnake[i].Location_x += 10;

}
}
public static void Snakelist()
{
int j = 0;
int x, y;
int i = realsnake.Count - 1;
for (j = 0; j < i; j++)
{
x = realsnake[j + 1].Location_x;
y = realsnake[j + 1].Location_y;
realsnake[j].Location_y = y;
realsnake[j].Location_x = x;
}
}
public static void EatLong()
{
Snake S_eat = new Snake();
int xx = realsnake[realsnake.Count - 1].Location_x;
int yy = realsnake[realsnake.Count - 1].Location_y;
if (wasd == 8)
{
S_eat.Location_y = yy - 10;
S_eat.Location_x = xx;
realsnake.Add(S_eat);
}
else if (wasd == 4)
{
S_eat.Location_x = xx - 10;
S_eat.Location_y = yy;
realsnake.Add(S_eat);
}
else if (wasd == 2)
{
S_eat.Location_y = yy + 10;
S_eat.Location_x = xx;
realsnake.Add(S_eat);
}
else if (wasd == 6)
{
S_eat.Location_y = yy;
S_eat.Location_x = xx + 10;
realsnake.Add(S_eat);
}
}
}
}

Food.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 贪吃蛇
{
public class Food
{
public int Location_x;
public int Location_y;
public Food()
{
Random x = new Random();
Random y = new Random();
Location_x = x.Next(0, 49) * 10;
Location_y = y.Next(0, 49) * 10;
}

}
}

KeyboardHook

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 贪吃蛇
{
class KeyboardHook
{
public event KeyEventHandler KeyDownEvent;
public event KeyPressEventHandler KeyPressEvent;
public event KeyEventHandler KeyUpEvent;

public delegate int HookProc(int nCode, Int32 wParam, IntPtr lParam);
static int hKeyboardHook = 0; //声明键盘钩子处理的初始值
//值在Microsoft SDK的Winuser.h里查询
public const int WH_KEYBOARD_LL = 13; //线程键盘钩子监听鼠标消息设为2，全局键盘监听鼠标消息设为13
HookProc KeyboardHookProcedure; //声明KeyboardHookProcedure作为HookProc类型
//键盘结构
[StructLayout(LayoutKind.Sequential)]
public class KeyboardHookStruct
{
public int vkCode; //定一个虚拟键码。该代码必须有一个价值的范围1至254
public int scanCode; // 指定的硬件扫描码的关键
public int flags; // 键标志
public int time; // 指定的时间戳记的这个讯息
public int dwExtraInfo; // 指定额外信息相关的信息
}
//使用此功能，安装了一个钩子
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);

//调用此函数卸载钩子
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern bool UnhookWindowsHookEx(int idHook);

//使用此功能，通过信息钩子继续下一个钩子
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);

// 取得当前线程编号（线程钩子需要用到）
[DllImport("kernel32.dll")]
static extern int GetCurrentThreadId();

//使用WINDOWS API函数代替获取当前实例的函数,防止钩子失效
[DllImport("kernel32.dll")]
public static extern IntPtr GetModuleHandle(string name);

public void Start()
{
// 安装键盘钩子
if (hKeyboardHook == 0)
{
KeyboardHookProcedure = new HookProc(KeyboardHookProc);
hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProcedure, GetModuleHandle(System.Diagnostics.Process.GetCurrentProcess().MainModule.ModuleName), 0);
//hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProcedure, Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().GetModules()[0]), 0);
//************************************
//键盘线程钩子
SetWindowsHookEx(13, KeyboardHookProcedure, IntPtr.Zero, GetCurrentThreadId());//指定要监听的线程idGetCurrentThreadId(),
//键盘全局钩子,需要引用空间(using System.Reflection;)
//SetWindowsHookEx( 13,MouseHookProcedure,Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().GetModules()[0]),0);
//
//关于SetWindowsHookEx (int idHook, HookProc lpfn, IntPtr hInstance, int threadId)函数将钩子加入到钩子链表中，说明一下四个参数：
//idHook 钩子类型，即确定钩子监听何种消息，上面的代码中设为2，即监听键盘消息并且是线程钩子，如果是全局钩子监听键盘消息应设为13，
//线程钩子监听鼠标消息设为7，全局钩子监听鼠标消息设为14。lpfn 钩子子程的地址指针。如果dwThreadId参数为0 或是一个由别的进程创建的
//线程的标识，lpfn必须指向DLL中的钩子子程。除此以外，lpfn可以指向当前进程的一段钩子子程代码。钩子函数的入口地址，当钩子钩到任何
//消息后便调用这个函数。hInstance应用程序实例的句柄。标识包含lpfn所指的子程的DLL。如果threadId 标识当前进程创建的一个线程，而且子
//程代码位于当前进程，hInstance必须为NULL。可以很简单的设定其为本应用程序的实例句柄。threaded 与安装的钩子子程相关联的线程的标识符
//如果为0，钩子子程与所有的线程关联，即为全局钩子
//************************************
//如果SetWindowsHookEx失败
if (hKeyboardHook == 0)
{
Stop();
throw new Exception("安装键盘钩子失败");
}
}
}
public void Stop()
{
bool retKeyboard = true;

if (hKeyboardHook != 0)
{
retKeyboard = UnhookWindowsHookEx(hKeyboardHook);
hKeyboardHook = 0;
}

if (!(retKeyboard)) throw new Exception("卸载钩子失败！");
}
//ToAscii职能的转换指定的虚拟键码和键盘状态的相应字符或字符
[DllImport("user32")]
public static extern int ToAscii(int uVirtKey, //[in] 指定虚拟关键代码进行翻译。
int uScanCode, // [in] 指定的硬件扫描码的关键须翻译成英文。高阶位的这个值设定的关键，如果是（不压）
byte[] lpbKeyState, // [in] 指针，以256字节数组，包含当前键盘的状态。每个元素（字节）的数组包含状态的一个关键。如果高阶位的字节是一套，关键是下跌（按下）。在低比特，如果设置表明，关键是对切换。在此功能，只有肘位的CAPS LOCK键是相关的。在切换状态的NUM个锁和滚动锁定键被忽略。
byte[] lpwTransKey, // [out] 指针的缓冲区收到翻译字符或字符。
int fuState); // [in] Specifies whether a menu is active. This parameter must be 1 if a menu is active, or 0 otherwise.

//获取按键的状态
[DllImport("user32")]
public static extern int GetKeyboardState(byte[] pbKeyState);

[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
private static extern short GetKeyState(int vKey);

private const int WM_KEYDOWN = 0x100;//KEYDOWN
private const int WM_KEYUP = 0x101;//KEYUP
private const int WM_SYSKEYDOWN = 0x104;//SYSKEYDOWN
private const int WM_SYSKEYUP = 0x105;//SYSKEYUP

private int KeyboardHookProc(int nCode, Int32 wParam, IntPtr lParam)
{
// 侦听键盘事件
if ((nCode >= 0) && (KeyDownEvent != null || KeyUpEvent != null || KeyPressEvent != null))
{
KeyboardHookStruct MyKeyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));
// raise KeyDown
if (KeyDownEvent != null && (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN))
{
Keys keyData = (Keys)MyKeyboardHookStruct.vkCode;
KeyEventArgs e = new KeyEventArgs(keyData);
KeyDownEvent(this, e);
}

//键盘按下
if (KeyPressEvent != null && wParam == WM_KEYDOWN)
{
byte[] keyState = new byte[256];
GetKeyboardState(keyState);

byte[] inBuffer = new byte[2];
if (ToAscii(MyKeyboardHookStruct.vkCode, MyKeyboardHookStruct.scanCode, keyState, inBuffer, MyKeyboardHookStruct.flags) == 1)
{
KeyPressEventArgs e = new KeyPressEventArgs((char)inBuffer[0]);
KeyPressEvent(this, e);
}
}

// 键盘抬起
if (KeyUpEvent != null && (wParam == WM_KEYUP || wParam == WM_SYSKEYUP))
{
Keys keyData = (Keys)MyKeyboardHookStruct.vkCode;
KeyEventArgs e = new KeyEventArgs(keyData);
KeyUpEvent(this, e);
}

}
//如果返回1，则结束消息，这个消息到此为止，不再传递。
//如果返回0或调用CallNextHookEx函数则消息出了这个钩子继续往下传递，也就是传给消息真正的接受者
return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
}
~KeyboardHook()
{
Stop();
}
}
}

最后还是有部分问题未解决，比如吃到自己的尾巴不会死

已经解决了方向键问题

还有希望大家多动动脑子自己进行学习。