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C# 贪吃蛇游戏
C#贪吃蛇游戏实现，使用Windows Forms作为GUI框架。这个实现包含了经典贪吃蛇的所有功能：移动、吃食物、成长、碰撞检测和计分系统。
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Media;namespace SnakeGame
{public partial class MainForm : Form{// 游戏常量private const int GridSize = 20;private const int GameWidth = 30;private const int GameHeight = 20;private const int InitialSpeed = 150;// 游戏状态private List<Point> snake = new List<Point>();private Point food;private Direction currentDirection = Direction.Right;private Direction nextDirection = Direction.Right;private int score = 0;private bool gameRunning = false;private int gameSpeed;private Random random = new Random();private SoundPlayer eatSound;private SoundPlayer gameOverSound;// 方向枚举private enum Direction{Up, Down, Left, Right}public MainForm(){InitializeComponent();InitializeGame();InitializeSounds();this.DoubleBuffered = true; // 减少闪烁this.KeyPreview = true; // 捕获键盘事件}private void InitializeGame(){// 设置游戏区域大小gamePanel.Width = GameWidth * GridSize;gamePanel.Height = GameHeight * GridSize;// 初始化蛇身snake.Clear();snake.Add(new Point(5, 10)); // 蛇头snake.Add(new Point(4, 10));snake.Add(new Point(3, 10));// 生成食物GenerateFood();// 重置分数score = 0;lblScore.Text = $"分数: {score}";// 设置游戏速度gameSpeed = InitialSpeed;gameTimer.Interval = gameSpeed;}private void InitializeSounds(){// 使用系统内置声音eatSound = new SoundPlayer(System.Media.SystemSounds.Asterisk.ToString());gameOverSound = new SoundPlayer(System.Media.SystemSounds.Hand.ToString());}private void GenerateFood(){// 随机生成食物位置do{food = new Point(random.Next(0, GameWidth),random.Next(0, GameHeight));} while (snake.Contains(food)); // 确保食物不在蛇身上}private void StartGame(){InitializeGame();gameRunning = true;currentDirection = Direction.Right;nextDirection = Direction.Right;gameTimer.Start();btnStart.Enabled = false;}private void GameOver(){gameRunning = false;gameTimer.Stop();gameOverSound.Play();MessageBox.Show($"游戏结束！\n最终分数: {score}", "贪吃蛇游戏", MessageBoxButtons.OK, MessageBoxIcon.Information);btnStart.Enabled = true;}private void MoveSnake(){if (!gameRunning) return;// 更新方向currentDirection = nextDirection;// 计算新的头部位置Point newHead = snake[0];switch (currentDirection){case Direction.Up:newHead.Y--;break;case Direction.Down:newHead.Y++;break;case Direction.Left:newHead.X--;break;case Direction.Right:newHead.X++;break;}// 检查碰撞if (CheckCollision(newHead)){GameOver();return;}// 添加新头部snake.Insert(0, newHead);// 检查是否吃到食物if (newHead == food){score += 10;lblScore.Text = $"分数: {score}";eatSound.Play();// 每50分增加速度if (score % 50 == 0 && gameSpeed > 50){gameSpeed -= 20;gameTimer.Interval = gameSpeed;}GenerateFood();}else{// 移除尾部snake.RemoveAt(snake.Count - 1);}// 重绘游戏区域gamePanel.Invalidate();}private bool CheckCollision(Point head){// 检查是否撞墙if (head.X < 0 || head.X >= GameWidth || head.Y < 0 || head.Y >= GameHeight)return true;// 检查是否撞到自己（跳过头部）for (int i = 1; i < snake.Count; i++){if (head == snake[i])return true;}return false;}private void gamePanel_Paint(object sender, PaintEventArgs e){Graphics g = e.Graphics;g.Clear(Color.Black);// 绘制网格using (Pen gridPen = new Pen(Color.FromArgb(30, 30, 30))){for (int x = 0; x <= GameWidth; x++){g.DrawLine(gridPen, x * GridSize, 0, x * GridSize, GameHeight * GridSize);}for (int y = 0; y <= GameHeight; y++){g.DrawLine(gridPen, 0, y * GridSize, GameWidth * GridSize, y * GridSize);}}// 绘制食物g.FillEllipse(Brushes.Red, food.X * GridSize + 1, food.Y * GridSize + 1, GridSize - 2, GridSize - 2);// 绘制蛇for (int i = 0; i < snake.Count; i++){Color segmentColor;if (i == 0) // 蛇头{segmentColor = Color.FromArgb(0, 192, 0); // 亮绿色}else{// 蛇身渐变double ratio = (double)i / snake.Count;int green = (int)(192 * (1 - ratio * 0.5));segmentColor = Color.FromArgb(0, green, 0);}using (Brush segmentBrush = new SolidBrush(segmentColor)){g.FillRectangle(segmentBrush, snake[i].X * GridSize + 1, snake[i].Y * GridSize + 1, GridSize - 2, GridSize - 2);}// 绘制蛇头眼睛if (i == 0){int eyeSize = GridSize / 5;int offset = GridSize / 3;int eyeX = snake[0].X * GridSize + offset;int eyeY = snake[0].Y * GridSize + offset;// 根据方向调整眼睛位置switch (currentDirection){case Direction.Right:eyeX = snake[0].X * GridSize + GridSize - offset - eyeSize;eyeY = snake[0].Y * GridSize + offset;break;case Direction.Left:eyeX = snake[0].X * GridSize + offset;eyeY = snake[0].Y * GridSize + offset;break;case Direction.Up:eyeX = snake[0].X * GridSize + offset;eyeY = snake[0].Y * GridSize + offset;break;case Direction.Down:eyeX = snake[0].X * GridSize + offset;eyeY = snake[0].Y * GridSize + GridSize - offset - eyeSize;break;}g.FillEllipse(Brushes.White, eyeX, eyeY, eyeSize, eyeSize);}}}private void MainForm_KeyDown(object sender, KeyEventArgs e){if (!gameRunning) return;// 处理方向键输入switch (e.KeyCode){case Keys.Up:if (currentDirection != Direction.Down)nextDirection = Direction.Up;break;case Keys.Down:if (currentDirection != Direction.Up)nextDirection = Direction.Down;break;case Keys.Left:if (currentDirection != Direction.Right)nextDirection = Direction.Left;break;case Keys.Right:if (currentDirection != Direction.Left)nextDirection = Direction.Right;break;}}private void btnStart_Click(object sender, EventArgs e){StartGame();}private void gameTimer_Tick(object sender, EventArgs e){MoveSnake();}private void btnExit_Click(object sender, EventArgs e){this.Close();}}
}
设计说明
这个贪吃蛇游戏包含以下功能：
-
游戏核心机制：
- 蛇的移动和控制（使用方向键）
- 食物生成（随机位置，避免出现在蛇身上）
- 碰撞检测（墙壁和自身）
- 得分系统（每吃一个食物得10分）
-
游戏特性：
- 难度递增（每50分增加蛇的移动速度）
- 蛇身渐变颜色（从头部到尾部颜色渐变）
- 蛇头有眼睛，方向指示清晰
- 音效反馈（吃到食物和游戏结束）
-
用户界面：
- 游戏区域网格
- 分数显示
- 开始/退出按钮
- 游戏结束提示
-
技术实现：
- 使用Windows Forms进行渲染
- 双缓冲技术减少闪烁
- 定时器控制游戏循环
- 键盘事件处理
如何运行
-
在Visual Studio中创建新的Windows Forms项目
-
将上面的代码复制到项目中
-
在窗体设计器中添加以下控件：
- 一个Panel（命名为gamePanel）
- 两个Button（命名为btnStart和btnExit）
- 一个Label（命名为lblScore）
- 一个Timer（命名为gameTimer）
-
运行程序，点击"开始游戏"按钮即可
游戏操作指南
- 使用方向键（上、下、左、右）控制蛇的移动方向
- 吃到红色食物可以增加蛇的长度和得分
- 避免撞到墙壁或自己的身体
- 每得50分，蛇的移动速度会增加
参考源码 C# 贪吃蛇 youwenfan.com/contentcsc/92585.html
这个实现包含了贪吃蛇游戏的所有经典元素，并添加了一些视觉和听觉反馈增强游戏体验。