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Index.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>2048 游戏</title>
<style>
:root {
--game-size: min(400px, 95vw);
--cell-size: calc(var(--game-size) / 4.8);
--cell-gap: min(15px, 3vw);
--font-size-title: min(40px, 8vw);
--font-size-cell: min(30px, 6vw);
--font-size-score: min(24px, 5vw);
}
body {
display: flex;
flex-direction: column;
align-items: center;
background-color: #faf8ef;
font-family: Arial, sans-serif;
touch-action: none;
min-height: 100vh;
margin: 0;
padding: min(20px, 3vw);
box-sizing: border-box;
}
#game-container {
width: var(--game-size);
padding: var(--cell-gap);
background-color: #bbada0;
border-radius: 6px;
margin: min(20px, 4vw) auto;
touch-action: none;
box-sizing: border-box;
}
.grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: var(--cell-gap);
background-color: #bbada0;
margin: 0 auto;
max-width: var(--game-size);
}
.cell {
width: var(--cell-size);
height: var(--cell-size);
background-color: rgba(238, 228, 218, 0.35);
border-radius: 3px;
display: flex;
justify-content: center;
align-items: center;
font-size: var(--font-size-cell);
font-weight: bold;
color: #776e65;
user-select: none;
transition: all 0.15s ease;
position: relative;
}
.score {
color: #776e65;
font-size: var(--font-size-score);
margin: 10px 0;
}
.instructions {
color: #776e65;
margin: min(20px, 4vw);
text-align: center;
font-size: min(16px, 3.5vw);
padding: 0 min(10px, 2vw);
}
@keyframes appear {
0% {
opacity: 0;
transform: scale(0);
}
100% {
opacity: 1;
transform: scale(1);
}
}
@keyframes pop {
0% {
transform: scale(1);
}
50% {
transform: scale(1.2);
}
100% {
transform: scale(1);
}
}
.cell.new {
animation: appear 0.2s ease;
}
.cell.merge {
animation: pop 0.2s ease;
}
.cell-content {
position: absolute;
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
transition: all 0.15s ease;
}
.page {
display: none;
width: 100%;
max-width: 600px;
text-align: center;
margin: 0 auto;
padding: 20px;
box-sizing: border-box;
}
.page.active {
display: block;
}
.menu-btn {
padding: min(10px, 2vw) min(20px, 4vw);
margin: min(10px, 2vw);
font-size: min(18px, 4vw);
background-color: #8f7a66;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
width: min(200px, 80vw);
}
.menu-btn:hover {
background-color: #776e65;
}
.leaderboard {
width: var(--game-size);
max-width: 400px;
margin: 20px auto;
background-color: #bbada0;
border-radius: 6px;
padding: 15px;
}
.leaderboard-item {
display: flex;
justify-content: space-between;
padding: min(10px, 2vw);
margin: 5px 0;
background-color: rgba(238, 228, 218, 0.35);
border-radius: 3px;
color: #776e65;
font-size: min(16px, 4vw);
}
.player-input {
padding: min(10px, 2vw);
font-size: min(16px, 4vw);
margin: 10px;
border: 2px solid #bbada0;
border-radius: 5px;
width: min(200px, 80vw);
box-sizing: border-box;
}
@media (hover: none) and (pointer: coarse) {
.menu-btn {
padding: min(15px, 3vw) min(25px, 5vw);
margin: min(15px, 3vw);
}
.instructions:after {
content: "\A支持触摸滑动操作";
white-space: pre;
color: #776e65;
}
}
@media (orientation: landscape) and (max-height: 500px) {
body {
padding: min(10px, 2vh);
}
.page {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
align-items: center;
gap: 20px;
}
h1 {
width: 100%;
margin: min(10px, 2vh) 0;
}
#game-container {
margin: 0;
}
.instructions {
width: 100%;
margin: min(10px, 2vh) 0;
}
}
</style>
</head>
<body>
<!-- 主页 -->
<div id="homePage" class="page active">
<h1>2048</h1>
<input type="text"
id="playerName"
class="player-input"
placeholder="输入你的名字"
maxlength="20"
autocomplete="off"
onkeydown="handleInputKeydown(event)">
<br>
<button class="menu-btn" onclick="startGame()">开始游戏</button>
<button class="menu-btn" onclick="showLeaderboard()">排行榜</button>
</div>
<!-- 游戏页面 -->
<div id="gamePage" class="page">
<h1>2048</h1>
<div class="score">最大数字: <span id="score">0</span></div>
<div id="game-container">
<div class="grid" id="grid"></div>
</div>
<button class="menu-btn" onclick="returnToHome()">返回主页</button>
<div class="instructions">
使用方向键或 WASD 移动方块<br>
相同数字的方块相撞时会合并
</div>
</div>
<!-- 排行榜页面 -->
<div id="leaderboardPage" class="page">
<h1>排行榜</h1>
<div class="leaderboard" id="leaderboardList">
<!-- 排行榜内容将通过 JavaScript 动态添加 -->
</div>
<button class="menu-btn" onclick="returnToHome()">返回主页</button>
</div>
<script>
// 添加页面切换功能
function showPage(pageId) {
document.querySelectorAll('.page').forEach(page => page.classList.remove('active'));
document.getElementById(pageId).classList.add('active');
}
function returnToHome() {
showPage('homePage');
}
function showLeaderboard() {
updateLeaderboard();
showPage('leaderboardPage');
}
// 排行榜功能
function getLeaderboard() {
const leaderboard = localStorage.getItem('2048-leaderboard');
return leaderboard ? JSON.parse(leaderboard) : [];
}
function saveLeaderboard(leaderboard) {
localStorage.setItem('2048-leaderboard', JSON.stringify(leaderboard));
}
function updateLeaderboard() {
const leaderboard = getLeaderboard();
const leaderboardList = document.getElementById('leaderboardList');
leaderboardList.innerHTML = '<h2>最高记录</h2>';
leaderboard.sort((a, b) => b.score - a.score)
.slice(0, 10)
.forEach((entry, index) => {
const item = document.createElement('div');
item.className = 'leaderboard-item';
item.innerHTML = `
<span>${index + 1}. ${entry.name}</span>
<span>${entry.score}</span>
`;
leaderboardList.appendChild(item);
});
}
function addToLeaderboard(name, score) {
const leaderboard = getLeaderboard();
leaderboard.push({ name, score });
leaderboard.sort((a, b) => b.score - a.score);
if (leaderboard.length > 10) {
leaderboard.pop();
}
saveLeaderboard(leaderboard);
}
// 修改游戏相关函数
function startGame() {
const playerNameInput = document.getElementById('playerName');
const playerName = playerNameInput.value.trim();
if (!playerName) {
alert('请输入你的名字！');
playerNameInput.focus();
return;
}
if (playerName.length < 2) {
alert('名字至少需要2个字符！');
playerNameInput.focus();
return;
}
currentPlayer = playerName;
showPage('gamePage');
initGame();
}
let currentPlayer = '';
// 修改游戏结束处理
function handleGameOver(maxTile) {
setTimeout(() => {
alert('游戏结束！你的最大数字是: ' + maxTile);
addToLeaderboard(currentPlayer, maxTile);
showLeaderboard();
}, 300);
}
let board = [];
let score = 0;
const size = 4;
// 初始化游戏
function initGame() {
board = Array(size).fill().map(() => Array(size).fill(0));
addNewTile();
addNewTile();
updateDisplay();
}
// 添加新方块
function addNewTile() {
let emptyCells = [];
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
if (board[i][j] === 0) {
emptyCells.push({x: i, y: j});
}
}
}
if (emptyCells.length > 0) {
const {x, y} = emptyCells[Math.floor(Math.random() * emptyCells.length)];
board[x][y] = Math.random() < 0.9 ? 2 : 4;
}
}
// 更新显示
function updateDisplay() {
const grid = document.getElementById('grid');
const oldCells = Array.from(grid.children);
grid.innerHTML = '';
// 找出最大数字
let maxTile = 0;
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
if (board[i][j] > maxTile) {
maxTile = board[i][j];
}
}
}
// 更新显示
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
const cell = document.createElement('div');
cell.className = 'cell';
if (board[i][j] !== 0) {
const value = board[i][j];
cell.innerHTML = `<div class="cell-content">${value}</div>`;
cell.style.backgroundColor = getTileColor(value);
// 检查是否是新添加的方块
const isNew = oldCells.length > 0 &&
!oldCells.some(oldCell =>
oldCell.textContent === value.toString() &&
oldCell.style.backgroundColor === getTileColor(value));
if (isNew) {
cell.classList.add('new');
}
// 检查是否是合并的方块
if (value > 4 && oldCells.some(oldCell =>
parseInt(oldCell.textContent) === value / 2)) {
cell.classList.add('merge');
}
}
grid.appendChild(cell);
}
}
// 更新分数为最大数字
document.getElementById('score').textContent = maxTile;
}
function getTileColor(value) {
const colors = {
2: '#eee4da',
4: '#ede0c8',
8: '#f2b179',
16: '#f59563',
32: '#f67c5f',
64: '#f65e3b',
128: '#edcf72',
256: '#edcc61',
512: '#edc850',
1024: '#edc53f',
2048: '#edc22e'
};
return colors[value] || '#cdc1b4';
}
function moveLeft(board) {
let moved = false;
let newScore = 0;
for (let i = 0; i < size; i++) {
let row = board[i].filter(x => x !== 0);
for (let j = 0; j < row.length - 1; j++) {
if (row[j] === row[j + 1]) {
row[j] *= 2;
newScore += row[j];
row.splice(j + 1, 1);
moved = true;
}
}
while (row.length < size) row.push(0);
if (row.join(',') !== board[i].join(',')) moved = true;
board[i] = row;
}
return { moved, score: newScore };
}
function rotateBoard(board) {
let newBoard = Array(size).fill().map(() => Array(size).fill(0));
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
newBoard[i][j] = board[size - 1 - j][i];
}
}
return newBoard;
}
function move(direction) {
let tempBoard = board.map(row => [...row]);
let moved = false;
let newScore = 0;
// 根据方向旋转棋盘
if (direction === 'up') {
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
} else if (direction === 'right') {
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
} else if (direction === 'down') {
tempBoard = rotateBoard(tempBoard);
}
// 执行左移操作
let result = moveLeft(tempBoard);
moved = result.moved;
newScore = result.score;
// 还原棋盘方向
if (direction === 'up') {
tempBoard = rotateBoard(tempBoard);
} else if (direction === 'right') {
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
} else if (direction === 'down') {
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
tempBoard = rotateBoard(tempBoard);
}
if (moved) {
setTimeout(() => {
board = tempBoard;
addNewTile();
updateDisplay();
if (checkGameOver()) {
let maxTile = 0;
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
if (board[i][j] > maxTile) {
maxTile = board[i][j];
}
}
}
handleGameOver(maxTile);
}
}, 50);
}
}
function checkGameOver() {
// 检查是否有空格
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
if (board[i][j] === 0) return false;
}
}
// 检查是否可以合并
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
if (i < size - 1 && board[i][j] === board[i + 1][j]) return false;
if (j < size - 1 && board[i][j] === board[i][j + 1]) return false;
}
}
return true;
}
// 键盘控制
document.addEventListener('keydown', function(event) {
if (document.getElementById('gamePage').classList.contains('active')) {
switch(event.key) {
case 'ArrowLeft':
case 'a':
case 'A':
event.preventDefault();
move('left');
break;
case 'ArrowRight':
case 'd':
case 'D':
event.preventDefault();
move('right');
break;
case 'ArrowUp':
case 'w':
case 'W':
event.preventDefault();
move('up');
break;
case 'ArrowDown':
case 's':
case 'S':
event.preventDefault();
move('down');
break;
}
}
});
// 添加输入框键盘事件处理
function handleInputKeydown(event) {
// 允许退格键、删除键、方向键等功能键
if (event.key.length === 1 && !isValidChar(event.key)) {
event.preventDefault();
}
}
// 验证输入字符
function isValidChar(char) {
// 允许字母、数字和常用符号
return /^[a-zA-Z0-9\s\-_]$/.test(char);
}
// 开始游戏
initGame();
// 添加触摸滑动支持
let touchStartX = 0;
let touchStartY = 0;
document.getElementById('game-container').addEventListener('touchstart', function(event) {
touchStartX = event.touches[0].clientX;
touchStartY = event.touches[0].clientY;
event.preventDefault();
}, { passive: false });
document.getElementById('game-container').addEventListener('touchmove', function(event) {
event.preventDefault();
}, { passive: false });
document.getElementById('game-container').addEventListener('touchend', function(event) {
if (!document.getElementById('gamePage').classList.contains('active')) return;
const touchEndX = event.changedTouches[0].clientX;
const touchEndY = event.changedTouches[0].clientY;
const dx = touchEndX - touchStartX;
const dy = touchEndY - touchStartY;
const minSwipeDistance = 30;
if (Math.abs(dx) > Math.abs(dy) && Math.abs(dx) > minSwipeDistance) {
move(dx > 0 ? 'right' : 'left');
} else if (Math.abs(dy) > Math.abs(dx) && Math.abs(dy) > minSwipeDistance) {
move(dy > 0 ? 'down' : 'up');
}
}, { passive: false });
</script>
</body>
</html>