贪吃蛇大家都玩过，所以就不过多解释 这是一个Winfrom项目即贴既玩

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;namespace SnakeGame
{public partial class Form1 : Form{private const int GridSize = 10; // 每个格子的尺寸private const int WidthInGrid = 100;    // 游戏区域的宽度（格子数）private const int HeightInGrid = 70;   // 游戏区域的高度（格子数）private List<Rectangle> snake = new List<Rectangle>{new Rectangle(100, 100, GridSize, GridSize)  // 初始化蛇的起始位置};  // 蛇的身体部分（每个部分都是一个矩形）private Rectangle food;         // 食物的矩形区域private Random random;          // 用于生成随机数private int dx, dy;             // 蛇的移动方向private Timer timer;            // 游戏定时器private bool isGameOver;        // 游戏是否结束private int fastSpeed = 20;    // 按住方向键时的加速速度（定时器间隔）private int defaultSpeed = 100; // 默认的蛇的速度（定时器间隔）// 新增：记录蛇的当前大小private int snakeSegmentWidth = GridSize;private int snakeSegmentHeight = GridSize;public Form1(){InitializeComponent();Start();}public void Start(){label2.Visible = false;label1.Visible = false;button1.Visible = false;this.DoubleBuffered = true; // 开启双缓冲，减少闪烁// 根据格子数调整窗体尺寸this.Width = WidthInGrid * GridSize + 16;  // Form的宽度this.Height = HeightInGrid * GridSize + 39; // Form的高度random = new Random();timer = new Timer { Interval = defaultSpeed }; // 设置定时器初始速度timer.Tick += Timer_Tick;ResetGame();}private void ResetGame(){food = GenerateFood();dx = GridSize; // 初始时蛇向右移动dy = 0;isGameOver = false;timer.Start(); // 启动游戏定时器}private void Timer_Tick(object sender, EventArgs e){if (isGameOver){timer.Stop();label1.Visible = true;label1.Text = "Game Over";button1.Visible = true;button1.Enabled = true;label2.Visible = true;return;}// 计算蛇头的新位置var head = snake.First();var newHead = new Rectangle(head.X + dx, head.Y + dy, snakeSegmentWidth, snakeSegmentHeight);// 如果蛇头碰到墙壁或自己，游戏结束if (newHead.X < 0 || newHead.Y < 0 || newHead.X >= WidthInGrid * GridSize || newHead.Y >= HeightInGrid * GridSize || snake.Contains(newHead)){isGameOver = true;return;}if (snake.Count % 5 == 0){snakeSegmentWidth = (int)(GridSize + snake.Count);snakeSegmentHeight = (int)(GridSize + snake.Count);}// 将蛇头添加到蛇身前snake.Insert(0, newHead);// 如果蛇吃到食物，生成新食物并让蛇变长if (newHead.IntersectsWith(food)){food = GenerateFood();}else{// 否则去掉蛇尾snake.RemoveAt(snake.Count - 1);}// 重新绘制游戏画面Invalidate();}private Rectangle GenerateFood(){// 随机生成食物的位置，确保食物生成在窗体内int x = random.Next(0, WidthInGrid) * GridSize;int y = random.Next(0, HeightInGrid) * GridSize;return new Rectangle(x, y, GridSize, GridSize);}private void button1_Click(object sender, EventArgs e){label1.Visible = false;button1.Visible = false;button1.Enabled = false;isGameOver = false;label2.Visible = false;snakeSegmentWidth = GridSize;snakeSegmentHeight = GridSize;snake = new List<Rectangle>{new Rectangle(100, 100, GridSize, GridSize)  // 初始化蛇的起始位置};dx = GridSize; // 初始时蛇向右移动dy = 0;timer.Interval = defaultSpeed;timer.Start();}private void Form1_KeyDown(object sender, KeyEventArgs e){// 控制蛇的移动方向if (e.KeyCode == Keys.Up&& dy==0){dx = 0;dy = -GridSize;timer.Interval = fastSpeed; // 按住时加速}else if (e.KeyCode == Keys.Down && dy == 0){dx = 0;dy = GridSize;timer.Interval = fastSpeed; // 按住时加速}else if (e.KeyCode == Keys.Left && dx == 0){dx = -GridSize;dy = 0;timer.Interval = fastSpeed; // 按住时加速}else if (e.KeyCode == Keys.Right && dx == 0){dx = GridSize;dy = 0;timer.Interval = fastSpeed; // 按住时加速}}private void Form1_Paint(object sender, PaintEventArgs e){var g = e.Graphics;// 绘制蛇身for (int i = 0; i < snake.Count; i++){var segment = snake[i];// 蛇头（第一个部分）为黄色，其余为绿色if (i == 0){g.FillRectangle(Brushes.Yellow, segment); // 蛇头为黄色}else{g.FillRectangle(Brushes.Lime, segment); // 蛇身为绿色}}// 绘制食物g.FillRectangle(Brushes.Red, food);}private void Form1_KeyUp(object sender, KeyEventArgs e){// 松开方向键时恢复到默认速度if (e.KeyCode == Keys.Up || e.KeyCode == Keys.Down || e.KeyCode == Keys.Left || e.KeyCode == Keys.Right){timer.Interval = defaultSpeed; // 恢复原来的速度}}}
}