给大家分享一个网页版的2048小游戏做法

给大家分享一个网页版的2048小游戏做法html:<!DOCTYPE html><html><head><meta charset=”

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html:

<!DOCTYPE html>

<html>

<head>

<meta charset=”UTF-8″>

<title>网页版2048游戏</title>

<style>

/* 游戏棋盘格 */

body{font-family:Arial;text-align:center;}

.game{margin:0 auto;/*margin-top:40px;*/text-align:center;display:inline-block;}

.game-score{font-size:20px;margin:20px auto;}

.game-container{background-color:#bbada0;border-radius:10px;position:relative;}

.game-cell{border-radius:6px;background-color:#ccc0b3;position:absolute;}

.game-num{width:0px;height:0px;border-radius:6px;font-weight:bold;font-size:40px;color:#fff;text-align:center;position:absolute;}

.game-num-2{background:#eee4da;color:#776e65;}

.game-num-4{background:#ede0c8;color:#776e65;}

.game-num-8{background:#f2b179;}

.game-num-16{background:#f59563;}

.game-num-32{background:#f67c5f;}

.game-num-64{background:#f65e3b;}

.game-num-128{background:#edcf72;font-size:35px;}

.game-num-256{background:#edcc61;font-size:35px;}

.game-num-512{background:#9c0;font-size:35px;}

.game-num-1024{background:#33b5e5;font-size:30px;}

.game-num-2048{background:#09c;font-size:30px;}

/*游戏结束*/

.game-over{width:100%;height:100%;position:absolute;border-radius:10px;box-sizing:border-box;z-index:1;display:table;background:rgba(123,102,85,0.5)}

.game-over-info{display:table-cell;vertical-align:middle}

.game-over p{font-size:45px;color:#fff;margin:20px auto;}

.game-over span{cursor:pointer;background-color:rgba(103,82,65,0.6);display:block;margin:20px auto;width:180px;padding:10px 10px;font-size:25px;color:#f7f2e5;border-radius:10px;border:1px solid #;transition:all .2s}

.game-over span:hover{background-color:rgba(103,82,65,0.7);color:#fff}

.game-hide{display:none;}

</style>

</head>

<body>

<div id=”game” class=”game”>

<div class=”game-score”>分数:<span id=”game_score”>0</span></div>

<div id=”game_container” class=”game-container”>

<div id=”game_over” class=”game-over game-hide”>

<div class=”game-over-info”>

<div id=”game_over_info”></div>

<span id=”game_restart”>重新开始</span>

</div>

</div>

</div>

</div>

<script src=”js/jquery-1.12.4.min.js”></script>

<script src=”js/Game2048.js”></script>

<script>

Game2048({prefix: ‘game’, len: 4, size: 100, margin: 20});

</script>

</body>

</html>

Game2048js文件:

(function(window, document, $) {

function Game2048(opt) {

var prefix = opt.prefix, len = opt.len, size = opt.size, margin = opt.margin;

var score = 0;

var winNum = 2048;

var isGameOver = true;

var board = new Board(len);

var view = new View(prefix, len, size, margin);

view.init();

board.onGenerate = function(e) {

view.addNum(e.x, e.y, e.num);

};

board.onMove = function(e) {

if (e.to.num >= winNum) {

isGameOver = true;

setTimeout(function() { view.win(); }, 300);

}

if (e.to.num > e.from.num) {

score += e.to.num;

view.updateScore(score);

}

view.move(e.from, e.to);

};

board.onMoveComplete = function(e) {

if (!board.canMove()) {

isGameOver = true;

setTimeout(function() { view.over(score); }, 300);

}

if (e.moved) {

setTimeout(function(){ board.generate(); }, 200);

}

};

$(document).keydown(function(e) {

if (isGameOver) {

return false;

}

switch (e.which) {

case 37: board.moveLeft(); break;

case 38: board.moveUp(); break;

case 39: board.moveRight(); break;

case 40: board.moveDown(); break;

}

});

function start() {

score = 0;

view.updateScore(0);

view.cleanNum();

board.init();

board.generate();

board.generate();

isGameOver = false;

}

$(‘#’ + prefix + ‘_restart’).click(start);

start();

};

// 数据处理

function Board(len) {

this.len = len;

this.arr = [];

}

Board.prototype = {

// 事件

onGenerate: function() {},

onMove: function() {},

onMoveComplete: function() {},

// 创建数组

init: function() {

for (var arr = [], x = 0, len = this.len; x < len; ++x) {

arr[x] = [];

for (var y = 0; y < len; ++y) {

arr[x][y] = 0;

}

}

this.arr = arr;

},

// 在随机位置增加一个随机数

generate: function() {

var empty = [];

for (var x = 0, arr = this.arr, len = arr.length; x < len; ++x) {

for (var y = 0; y < len; ++y) {

if (arr[x][y] === 0) {

empty.push({x: x, y: y});

}

}

}

if (empty.length < 1) {

return false;

}

var pos = empty[Math.floor((Math.random() * empty.length))];

this.arr[pos.x][pos.y] = Math.random() < 0.5 ? 2 : 4;

this.onGenerate({x: pos.x, y: pos.y, num: this.arr[pos.x][pos.y]});

},

// 左移

moveLeft: function() {

var canMove = false;

// 从上到下,从左到右

for (var x = 0, len = this.arr.length; x < len; ++x) {

for (var y = 0, arr = this.arr[x]; y < len; ++y) {

// 从 y + 1 位置开始,向右查找

for (var next = y + 1; next < len; ++next) {

// 如果 next 单元格是 0,找下一个不是吗 0 的单元格

if (arr[next] === 0) {

continue;

}

// 如果 y 数字是 0,则将 next 移动到 y 位置,然后将 y 减 1 重新查找

if (arr[y] === 0) {

arr[y] = arr[next];

this.onMove({from: {x: x, y: next, num: arr[next]}, to: {x: x, y: y, num: arr[y]}});

arr[next] = 0;

canMove = true;

–y;

// 如果 y 与 next 单元格数字相等,则将 next 移动并合并给 y

} else if (arr[y] === arr[next]) {

arr[y] += arr[next];

this.onMove({from: {x: x, y: next, num: arr[next]}, to: {x: x, y: y, num: arr[y]}});

arr[next] = 0;

canMove = true;

}

break;

}

}

}

this.onMoveComplete({moved: canMove});

},

moveRight: function() {

var moved = false;

for (var x = 0, len = this.arr.length; x < len; ++x) {

for (var y = len – 1, arr = this.arr[x]; y >= 0; –y) {

for (var prev = y – 1; prev >= 0; –prev) {

if (arr[prev] === 0) {

continue;

}

if (arr[y] === 0) {

arr[y] = arr[prev];

this.onMove({from: {x: x, y: prev, num: arr[prev]}, to: {x: x, y: y, num: arr[y]}});

arr[prev] = 0;

moved = true;

++y;

} else if (arr[y] === arr[prev]) {

arr[y] += arr[prev];

this.onMove({from: {x: x, y: prev, num: arr[prev]}, to: {x: x, y: y, num: arr[y]}});

arr[prev] = 0;

moved = true;

}

break;

}

}

}

this.onMoveComplete({moved: moved});

},

moveUp: function() {

var canMove = false;

for (var arr = this.arr, len = arr.length, y = 0; y < len; ++y) {

for (var x = 0; x < len; ++x) {

for (var next = x + 1; next < len; ++next) {

if (arr[next][y] === 0) {

continue;

}

if (arr[x][y] === 0) {

arr[x][y] = arr[next][y];

this.onMove({from: {x: next, y: y, num: arr[next][y]}, to: {x: x, y: y, num: arr[x][y]}});

arr[next][y] = 0;

canMove = true;

–x;

} else if (arr[x][y] === arr[next][y]) {

arr[x][y] += arr[next][y];

this.onMove({from: {x: next, y: y, num: arr[next][y]}, to: {x: x, y: y, num: arr[x][y]}});

arr[next][y] = 0;

canMove = true;

}

break;

}

}

}

this.onMoveComplete({moved: canMove});

},

moveDown: function() {

var canMove = false;

for (var arr = this.arr, len = arr.length, y = 0; y < len; ++y) {

for (var x = len – 1; x >= 0; –x) {

for (var prev = x – 1; prev >= 0; –prev) {

if (arr[prev][y] === 0) {

continue;

}

if (arr[x][y] === 0) {

arr[x][y] = arr[prev][y];

this.onMove({from: {x: prev, y: y, num: arr[prev][y]}, to: {x: x, y: y, num: arr[x][y]}});

arr[prev][y] = 0;

canMove = true;

++x;

} else if (arr[x][y] === arr[prev][y]) {

arr[x][y] += arr[prev][y];

this.onMove({from: {x: prev, y: y, num: arr[prev][y]}, to: {x: x, y: y, num: arr[x][y]}});

arr[prev][y] = 0;

canMove = true;

}

break;

}

}

}

this.onMoveComplete({moved: canMove});

},

canMove: function() {

for (var x = 0, arr = this.arr, len = arr.length; x < len; ++x) {

for (var y = 0; y < len; ++y) {

if (arr[x][y] === 0) {

return true;

}

var curr = arr[x][y], right = arr[x][y + 1];

var down = arr[x + 1] ? arr[x + 1][y] : null;

if (right === curr || down === curr) {

return true;

}

}

}

return false;

}

};

// 视图处理

function View(prefix, len, size, margin) {

this.prefix = prefix;

this.len = len; // 单元格单边的数量(实际数量 len * len)

this.size = size; // 每个单元格的边长

this.margin = margin; // 每个单元格的间距

this.score = $(‘#’ + prefix + ‘_score’);

this.container = $(‘#’ + prefix + ‘_container’);

var containerSize = len * size + margin * (len + 1);

this.container.css({width:containerSize , height: containerSize});

this.nums = {};

}

View.prototype = {

// 计算位置

getPos: function(n) {

return this.margin + n * (this.size + this.margin);

},

init: function() {

for (var x = 0, len = this.len; x < len; ++x) {

for (var y = 0; y < len; ++y) {

var $cell = $(‘<div class=”‘ + this.prefix + ‘-cell”></div>’);

$cell.css({

width: this.size + ‘px’, height: this.size + ‘px’,

top: this.getPos(x), left: this.getPos(y)

}).appendTo(this.container);

}

}

},

addNum: function(x, y, num) {

var $num = $(‘<div class=”‘ + this.prefix + ‘-num ‘ + this.prefix + ‘-num-‘ + num + ‘ “>’);

$num.text(num).css({

top: this.getPos(x) + parseInt(this.size / 2),

left: this.getPos(y) + parseInt(this.size / 2)

}).appendTo(this.container).animate({

width: this.size + ‘px’,

height: this.size + ‘px’,

lineHeight: this.size + ‘px’,

top: this.getPos(x),

left: this.getPos(y)

}, 100);

this.nums[x + ‘-‘ + y] = $num;

},

move: function(from, to) {

var fromIndex = from.x + ‘-‘ + from.y, toIndex = to.x + ‘-‘ + to.y;

var clean = this.nums[toIndex];

this.nums[toIndex] = this.nums[fromIndex];

delete this.nums[fromIndex];

var prefix = this.prefix + ‘-num-‘;

var pos = {top: this.getPos(to.x), left: this.getPos(to.y)};

this.nums[toIndex].finish().animate(pos, 200, function() {

if (to.num > from.num) {

clean.remove();

$(this).text(to.num).removeClass(prefix + from.num).addClass(prefix + to.num);

}

});

},

updateScore: function(score) {

this.score.text(score);

},

win: function() {

$(‘#’ + this.prefix + ‘_over_info’).html(‘<p>您获胜了</p>’);

$(‘#’ + this.prefix + ‘_over’).removeClass(this.prefix + ‘-hide’);

},

over: function(score) {

$(‘#’ + this.prefix + ‘_over_info’).html(‘<p>本次得分</p><p>’ + score + ‘</p>’);

$(‘#’ + this.prefix + ‘_over’).removeClass(this.prefix + ‘-hide’);

},

cleanNum: function() {

this.nums = {};

$(‘#’ + this.prefix + ‘_over’).addClass(this.prefix + ‘-hide’);

$(‘.’ + this.prefix + ‘-num’).remove();

}

};

window[‘Game2048’] = Game2048;

})(window, document, jQuery);

然后就是还要自己下载一个jQuery文件;

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