下载地址：https://download.csdn.net/download/mosquito_lover1/90308956

游戏玩法：

点击"开始游戏"按钮开始 使用键盘方向键控制蛇的移动 吃到红色食物可以得分 撞到墙壁或自己会结束游戏

核心源码：

class SnakeGame {

    constructor() {

        this.canvas = document.getElementById('gameCanvas');

        this.ctx = this.canvas.getContext('2d');

        this.canvas.width = 400;

        this.canvas.height = 400;

        this.gridSize = 20;

        this.snake = [];

        this.food = {};

        this.direction = 'right';

        this.score = 0;

        this.gameLoop = null;

        this.gameSpeed = 150;

        this.startButton = document.getElementById('startButton');

        this.scoreElement = document.getElementById('scoreValue');

        this.startButton.addEventListener('click', () => this.startGame());

        document.addEventListener('keydown', (e) => this.handleKeyPress(e));

        // 新增属性

        this.isPaused = false;

        this.highScore = localStorage.getItem('snakeHighScore') || 0;

        this.difficultySelect = document.getElementById('difficulty');

        this.pauseButton = document.getElementById('pauseButton');

        this.highScoreElement = document.getElementById('highScoreValue');

        this.eatSound = document.getElementById('eatSound');

        this.gameOverSound = document.getElementById('gameOverSound');

       

        // 设置最高分显示

        this.highScoreElement.textContent = this.highScore;

       

        // 添加暂停按钮事件监听

        this.pauseButton.addEventListener('click', () => this.togglePause());

       

        // 添加触摸控制

        this.setupTouchControls();

       

        // 更新游戏速度

        this.difficultySelect.addEventListener('change', () => {

            this.gameSpeed = parseInt(this.difficultySelect.value);

            if (this.gameLoop) {

                clearInterval(this.gameLoop);