贪吃蛇游戏在线玩（贪吃蛇游戏在线玩不用登录）

欢迎来到贪吃蛇游戏在线玩页面！这款经典的游戏无需登录即可畅玩。在这里，你可以挑战自己的极限，尝试在各种难度下通关。贪吃蛇游戏起源于1980年代，凭借其简单的操作和引人入胜的玩法，风靡全球。游戏的目标是帮助贪吃蛇吃到尽可能多的食物，同时避免撞到墙壁或自己的身体。时间的推移，贪吃蛇会变得越来越长，难度也会逐渐加大。快来挑战吧，看看你能闯过多少关！

贪吃蛇游戏在线玩

开始游戏 <script> let snake = [{ x: 50, y: 50 }]; let food = { x: 100, y: 100 }; let direction = "RIGHT"; let interval; function startGame() { document.getElementById("gameBoard").innerHTML = `

分数：0

`; interval = setInterval(() => { update(); draw(); }, 100); } function update() { let newX = snake[0].x; let newY = snake[0].y; if (direction === "RIGHT") newX += 20; if (direction === "LEFT") newX -= 20; if (direction === "UP") newY -= 20; if (direction === "DOWN") newY += 20; snake.unshift({ x: newX, y: newY }); snake.pop(); if (checkCollision(newX, newY, food)) { food = generateFood(); } else { snake.pop(); } } function draw() { let ctx = document.getElementById("gameCanvas").getContext("2d"); ctx.clearRect(0, 0, 400, 400); // Draw snake ctx.fillStyle = "green"; snake.forEach((segment) => { ctx.fillRect(segment.x, segment.y, 20, 20); }); // Draw food ctx.fillStyle = "red"; ctx.fillRect(food.x, food.y, 20, 20); // Draw score ctx.fillStyle = "black"; ctx.font = "20px Arial"; ctx.fillText(snake.length - 1, 10, 30); } function checkCollision(x, y, food) { if (x === food.x && y === food.y) { return true; } for (let i = 1; i < snake.length; i++) { if (x === snake[i].x && y === snake[i].y) { return true; } } return false; } function generateFood() { let x = Math.floor(Math.random() * (400 / 20)) * 20; let y = Math.floor(Math.random() * (400 / 20)) * 20; return { x: x, y: y }; } document.addEventListener("keydown", ((event) => { if (event.key === "ArrowUp" && direction !== "DOWN") direction = "UP"; if (event.key === "ArrowDown" && direction !== "UP") direction = "DOWN";
if (event.key ===>