微信小程序开发(5) 2048游戏

在这篇微信小程序开发教程中，我们将介绍如何使用微信小程序开发2048小游戏。

本文主要分为两个部分，小程序主体部分及小游戏页面部分

一、小程序主体部分

一个小程序主体部分由三个文件组成，必须放在项目的根目录，如下：

1. 小程序逻辑

App({
  onLaunch: function() { 
    // Do something initial when launch.
  },
  onShow: function() {
      // Do something when show.
  },
  onHide: function() {
      // Do something when hide.
  },
  globalData: 'I am global data'
})

2. 小程序公共设置

主要注册一个页面，即2048游戏主页

{
  "pages":[
    "pages/index/index"
    
  ],
  "window":{
    "navigationBarBackgroundColor":"#ffffff",
    "navigationBarTextStyle":"#1AAD16",
    "navigationBarTitleText":"2048游戏",
    "backgroundColor":"#eeeeee",
    "backgroundTextStyle":"light"
  },

  "networkTimeout": {
    "request": 10000,
    "downloadFile": 10000
  },
  "debug": false
}

二、小游戏页面部分

2048游戏小程序页面主要由以下文件组成。

1. 页面结构

其页面结构代码如下

<view class="container">

  <view class="game-body">
    <loading hidden="{{hidden}}">
        加载中...
    </loading>
    <view class="heading">
          <text class="title">2048</text>
          <view class="scores-container">
            <view class="score-container">{{score}}</view>
              <view class="best-container">{{highscore}}</view>
          </view>
    </view>

    <view class="above-game">
          <text class="game-intro">你能拿到2048吗？</text>
          <text class="restart-button" bindtap="restart">新游戏</text>
    </view>

    <view class="game-container">
        <view class="game-message game-{{over ? (win ? 'won' : 'over') : ''}}">
              <text class="over-msg">{{overMsg}}</text>
              <view class="lower">
                <!-- <text class="keep-playing-button">继续</text> -->
                  <text class="retry-button" bindtap="restart">再试一次</text>
            </view>
        </view>

        <view class="grid-container" bindtouchstart="touchStart" bindtouchmove="touchMove" bindtouchend="touchEnd">
            <view wx:for="{{grids}}" wx:for-index="rowIdx" wx:for-item="row" class="grid-row">
                  <view wx:for="{{row}}" wx:for-index="colIdx" wx:for-item="cell" class="grid-cell">
                      <view class="tile tile-{{cell.value}}">
                          <view wx:if="{{cell}}" class="tile-inner">
                              {{cell.value}}
                          </view>
                      </view>
                  </view>
            </view>
        </view>

      </view>
      <!-- <view class="game-explanation">
      <view class="important">如何开始：</view> 手指上下左右滑动
    </view> -->
</view>
</view>

2. 样式表

样式代码如下所示

.container {
  margin: 0;
  padding: 20px 0;
  background: #faf8ef;
  color: #776e65;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
}

.heading:after {
  content: "";
  display: block;
  clear: both;
}
.title {
  font-size: 80px;
  font-weight: bold;
  margin: 0;
  display: block;
  float: left;
}

.scores-container {
  float: right;
  text-align: right;
}
.score-container, .best-container {
  position: relative;
  display: inline-block;
  background: #bbada0;
  padding: 15px 25px;
  font-size: 25px;
  height: 25px;
  line-height: 47px;
  font-weight: bold;
  border-radius: 3px;
  color: white;
  text-align: center;
  margin: 8px 0 0 8px;
}
.score-container:after, .best-container:after {
  position: absolute;
  width: 100%;
  top: 10px;
  left: 0;
  text-transform: uppercase;
  font-size: 13px;
  line-height: 13px;
  text-align: center;
  color: #eee4da;
}
.score-container .score-addition, .best-container .score-addition {
  position: absolute;
  right: 30px;
  color: red;
  font-size: 25px;
  line-height: 25px;
  font-weight: bold;
  color: rgba(119, 110, 101, 0.9);
  z-index: 100;
 
}
.score-container:after {
  content: "Score";
}
.best-container:after {
  content: "Best";
}
p {
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.65;
}
a {
  color: #776e65;
  font-weight: bold;
  text-decoration: underline;
  cursor: pointer;
}
strong.important {
  text-transform: uppercase;
}
hr {
  border: none;
  border-bottom: 1px solid #d8d4d0;
  margin-top: 20px;
  margin-bottom: 30px;
}

.game-container {
  margin-top: 40px;
  position: relative;
  padding: 15px;
  cursor: default;
  -webkit-touch-callout: none;
  -ms-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -ms-touch-action: none;
  touch-action: none;
  background: #bbada0;
  border-radius: 6px;
  width: 500px;
  height: 500px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.game-container .game-message {
  /*display: none;*/
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(238, 228, 218, 0.5);
  z-index: 100;
  text-align: center;
}
.game-container .game-message p {
  font-size: 60px;
  font-weight: bold;
  height: 60px;
  line-height: 60px;
  margin-top: 222px;
}
.game-container .game-message .lower {
  display: block;
  margin-top: 59px;
}
.game-container .game-message a {
  display: inline-block;
  background: #8f7a66;
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #f9f6f2;
  height: 40px;
  line-height: 42px;
  margin-left: 9px;
}
.game-container .game-message .keep-playing-button {
  display: none;
}
.game-container .game-message.game-won {
  background: rgba(237, 194, 46, 0.5);
  color: #f9f6f2;
}
.game-container .game-message.game-won .keep-playing-button {
  display: inline-block;
}
.game-container .game-message.game-won, .game-container .game-message.game-over {
  display: block;
}
.grid-container {
  position: absolute;
  z-index: 1;
}
.grid-row {
  margin-bottom: 15px;
}
.grid-row:last-child {
  margin-bottom: 0;
}
.grid-row:after {
  content: "";
  display: block;
  clear: both;
}
.grid-cell {
  width: 106.25px;
  height: 106.25px;
  margin-right: 15px;
  float: left;
  border-radius: 3px;
  background: rgba(238, 228, 218, 0.35);
}
.grid-cell:last-child {
  margin-right: 0;
}
.tile-container {
  position: absolute;
  z-index: 2;
}
.tile, .tile .tile-inner {
  width: 107px;
  height: 107px;
  line-height: 107px;
}
.tile.tile-position-1-1 {
  -webkit-transform: translate(0px, 0px);
  -moz-transform: translate(0px, 0px);
  -ms-transform: translate(0px, 0px);
  transform: translate(0px, 0px);
}
.tile.tile-position-1-2 {
  -webkit-transform: translate(0px, 121px);
  -moz-transform: translate(0px, 121px);
  -ms-transform: translate(0px, 121px);
  transform: translate(0px, 121px);
}
.tile.tile-position-1-3 {
  -webkit-transform: translate(0px, 242px);
  -moz-transform: translate(0px, 242px);
  -ms-transform: translate(0px, 242px);
  transform: translate(0px, 242px);
}
.tile.tile-position-1-4 {
  -webkit-transform: translate(0px, 363px);
  -moz-transform: translate(0px, 363px);
  -ms-transform: translate(0px, 363px);
  transform: translate(0px, 363px);
}
.tile.tile-position-2-1 {
  -webkit-transform: translate(121px, 0px);
  -moz-transform: translate(121px, 0px);
  -ms-transform: translate(121px, 0px);
  transform: translate(121px, 0px);
}
.tile.tile-position-2-2 {
  -webkit-transform: translate(121px, 121px);
  -moz-transform: translate(121px, 121px);
  -ms-transform: translate(121px, 121px);
  transform: translate(121px, 121px);
}
.tile.tile-position-2-3 {
  -webkit-transform: translate(121px, 242px);
  -moz-transform: translate(121px, 242px);
  -ms-transform: translate(121px, 242px);
  transform: translate(121px, 242px);
}
.tile.tile-position-2-4 {
  -webkit-transform: translate(121px, 363px);
  -moz-transform: translate(121px, 363px);
  -ms-transform: translate(121px, 363px);
  transform: translate(121px, 363px);
}
.tile.tile-position-3-1 {
  -webkit-transform: translate(242px, 0px);
  -moz-transform: translate(242px, 0px);
  -ms-transform: translate(242px, 0px);
  transform: translate(242px, 0px);
}
.tile.tile-position-3-2 {
  -webkit-transform: translate(242px, 121px);
  -moz-transform: translate(242px, 121px);
  -ms-transform: translate(242px, 121px);
  transform: translate(242px, 121px);
}
.tile.tile-position-3-3 {
  -webkit-transform: translate(242px, 242px);
  -moz-transform: translate(242px, 242px);
  -ms-transform: translate(242px, 242px);
  transform: translate(242px, 242px);
}
.tile.tile-position-3-4 {
  -webkit-transform: translate(242px, 363px);
  -moz-transform: translate(242px, 363px);
  -ms-transform: translate(242px, 363px);
  transform: translate(242px, 363px);
}
.tile.tile-position-4-1 {
  -webkit-transform: translate(363px, 0px);
  -moz-transform: translate(363px, 0px);
  -ms-transform: translate(363px, 0px);
  transform: translate(363px, 0px);
}
.tile.tile-position-4-2 {
  -webkit-transform: translate(363px, 121px);
  -moz-transform: translate(363px, 121px);
  -ms-transform: translate(363px, 121px);
  transform: translate(363px, 121px);
}
.tile.tile-position-4-3 {
  -webkit-transform: translate(363px, 242px);
  -moz-transform: translate(363px, 242px);
  -ms-transform: translate(363px, 242px);
  transform: translate(363px, 242px);
}
.tile.tile-position-4-4 {
  -webkit-transform: translate(363px, 363px);
  -moz-transform: translate(363px, 363px);
  -ms-transform: translate(363px, 363px);
  transform: translate(363px, 363px);
}
.tile {
  position: absolute;
  -webkit-transition: 100ms ease-in-out;
  -moz-transition: 100ms ease-in-out;
  transition: 100ms ease-in-out;
  -webkit-transition-property: -webkit-transform;
  -moz-transition-property: -moz-transform;
  transition-property: transform;
}
.tile .tile-inner {
  border-radius: 3px;
  background: #eee4da;
  text-align: center;
  font-weight: bold;
  z-index: 10;
  font-size: 55px;
}
.tile.tile-2 .tile-inner {
  background: #eee4da;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0);
}
.tile.tile-4 .tile-inner {
  background: #ede0c8;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0);
}
.tile.tile-8 .tile-inner {
  color: #f9f6f2;
  background: #f2b179;
}
.tile.tile-16 .tile-inner {
  color: #f9f6f2;
  background: #f59563;
}
.tile.tile-32 .tile-inner {
  color: #f9f6f2;
  background: #f67c5f;
}
.tile.tile-64 .tile-inner {
  color: #f9f6f2;
  background: #f65e3b;
}
.tile.tile-128 .tile-inner {
  color: #f9f6f2;
  background: #edcf72;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.2381), inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
  font-size: 45px;
}
@media screen and (max-width:520px) {
  .tile.tile-128 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-256 .tile-inner {
  color: #f9f6f2;
  background: #edcc61;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.31746), inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
  font-size: 45px;
}
@media screen and (max-width:520px) {
  .tile.tile-256 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-512 .tile-inner {
  color: #f9f6f2;
  background: #edc850;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.39683), inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
  font-size: 45px;
}
@media screen and (max-width:520px) {
  .tile.tile-512 .tile-inner {
    font-size: 25px;
  }
}
.tile.tile-1024 .tile-inner {
  color: #f9f6f2;
  background: #edc53f;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.47619), inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
  font-size: 35px;
}
@media screen and (max-width:520px) {
  .tile.tile-1024 .tile-inner {
    font-size: 15px;
  }
}
.tile.tile-2048 .tile-inner {
  color: #f9f6f2;
  background: #edc22e;
  box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.55556), inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
  font-size: 35px;
}
@media screen and (max-width:520px) {
  .tile.tile-2048 .tile-inner {
    font-size: 15px;
  }
}
.tile.tile-super .tile-inner {
  color: #f9f6f2;
  background: #3c3a32;
  font-size: 30px;
}
@media screen and (max-width:520px) {
  .tile.tile-super .tile-inner {
    font-size: 10px;
  }
}

.tile-merged .tile-inner {
  z-index: 20;
}
.above-game:after {
  content: "";
  display: block;
  clear: both;
}
.game-intro {
  float: left;
  line-height: 42px;
  margin-bottom: 0;
}
.restart-button {
  display: inline-block;
  background: #8f7a66;
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #f9f6f2;
  height: 40px;
  line-height: 42px;
  display: block;
  text-align: center;
  float: right;
}
.game-explanation {
  margin-top: 50px;
}
@media screen and (max-width:520px) {
  html, body {
    font-size: 15px;
  }
  body {
    margin: 20px 0;
    padding: 0 20px;
  }
  .title {
    font-size: 27px;
    margin-top: 15px;
  }
  /*.container {
    width: 280px;
    margin: 0 auto;
  }*/
  .score-container, .best-container {
    margin-top: 0;
    padding: 15px 10px;
    min-width: 40px;
  }
  .heading {
    margin-bottom: 10px;
  }
  .game-intro {
    width: 55%;
    display: block;
    box-sizing: border-box;
    line-height: 1.65;
  }
  .restart-button {
    width: 42%;
    padding: 0;
    display: block;
    box-sizing: border-box;
    margin-top: 2px;
  }
  .game-container {
    margin-top: 17px;
    position: relative;
    padding: 10px;
    cursor: default;
    -webkit-touch-callout: none;
    -ms-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -ms-touch-action: none;
    touch-action: none;
    background: #bbada0;
    border-radius: 6px;
    width: 280px;
    height: 280px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  .game-container .game-message {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(238, 228, 218, 0.5);
    z-index: 100;
    text-align: center;
   
  }
  .game-container .game-message .over-msg {
    display: block;
    font-size: 30px;
    font-weight: bold;
    height: 30px;
    line-height: 30px;
    /*margin-top: 222px;*/
    margin-top: 59px;
  }
  .game-container .game-message .lower {
    display: block;
    margin-top: 59px;
  }
  .game-container .game-message .retry-button {
    display: inline-block;
    background: #8f7a66;
    border-radius: 3px;
    padding: 0 20px;
    text-decoration: none;
    color: #f9f6f2;
    height: 40px;
    line-height: 42px;
    margin-left: 9px;
  }
  .game-container .game-message .keep-playing-button {
    display: none;
  }
  .game-container .game-message.game-won {
    background: rgba(237, 194, 46, 0.5);
    color: #f9f6f2;
  }
  .game-container .game-message.game-won .keep-playing-button {
    display: inline-block;
  }
  .game-container .game-message.game-won, .game-container .game-message.game-over {
    display: block;
  }
  .grid-container {
    position: absolute;
    z-index: 1;
  }
  .grid-row {
    margin-bottom: 10px;
  }
  .grid-row:last-child {
    margin-bottom: 0;
  }
  .grid-row:after {
    content: "";
    display: block;
    clear: both;
  }
  .grid-cell {
    width: 57.5px;
    height: 57.5px;
    margin-right: 10px;
    float: left;
    border-radius: 3px;
    background: rgba(238, 228, 218, 0.35);
  }
  .grid-cell:last-child {
    margin-right: 0;
  }
 
  .tile, .tile .tile-inner {
    width: 58px;
    height: 58px;
    line-height: 58px;
  }
  .tile.tile-position-1-1 {
    -webkit-transform: translate(0px, 0px);
    -moz-transform: translate(0px, 0px);
    -ms-transform: translate(0px, 0px);
    transform: translate(0px, 0px);
  }
  .tile.tile-position-1-2 {
    -webkit-transform: translate(0px, 67px);
    -moz-transform: translate(0px, 67px);
    -ms-transform: translate(0px, 67px);
    transform: translate(0px, 67px);
  }
  .tile.tile-position-1-3 {
    -webkit-transform: translate(0px, 135px);
    -moz-transform: translate(0px, 135px);
    -ms-transform: translate(0px, 135px);
    transform: translate(0px, 135px);
  }
  .tile.tile-position-1-4 {
    -webkit-transform: translate(0px, 202px);
    -moz-transform: translate(0px, 202px);
    -ms-transform: translate(0px, 202px);
    transform: translate(0px, 202px);
  }
  .tile.tile-position-2-1 {
    -webkit-transform: translate(67px, 0px);
    -moz-transform: translate(67px, 0px);
    -ms-transform: translate(67px, 0px);
    transform: translate(67px, 0px);
  }
  .tile.tile-position-2-2 {
    -webkit-transform: translate(67px, 67px);
    -moz-transform: translate(67px, 67px);
    -ms-transform: translate(67px, 67px);
    transform: translate(67px, 67px);
  }
  .tile.tile-position-2-3 {
    -webkit-transform: translate(67px, 135px);
    -moz-transform: translate(67px, 135px);
    -ms-transform: translate(67px, 135px);
    transform: translate(67px, 135px);
  }
  .tile.tile-position-2-4 {
    -webkit-transform: translate(67px, 202px);
    -moz-transform: translate(67px, 202px);
    -ms-transform: translate(67px, 202px);
    transform: translate(67px, 202px);
  }
  .tile.tile-position-3-1 {
    -webkit-transform: translate(135px, 0px);
    -moz-transform: translate(135px, 0px);
    -ms-transform: translate(135px, 0px);
    transform: translate(135px, 0px);
  }
  .tile.tile-position-3-2 {
    -webkit-transform: translate(135px, 67px);
    -moz-transform: translate(135px, 67px);
    -ms-transform: translate(135px, 67px);
    transform: translate(135px, 67px);
  }
  .tile.tile-position-3-3 {
    -webkit-transform: translate(135px, 135px);
    -moz-transform: translate(135px, 135px);
    -ms-transform: translate(135px, 135px);
    transform: translate(135px, 135px);
  }
  .tile.tile-position-3-4 {
    -webkit-transform: translate(135px, 202px);
    -moz-transform: translate(135px, 202px);
    -ms-transform: translate(135px, 202px);
    transform: translate(135px, 202px);
  }
  .tile.tile-position-4-1 {
    -webkit-transform: translate(202px, 0px);
    -moz-transform: translate(202px, 0px);
    -ms-transform: translate(202px, 0px);
    transform: translate(202px, 0px);
  }
  .tile.tile-position-4-2 {
    -webkit-transform: translate(202px, 67px);
    -moz-transform: translate(202px, 67px);
    -ms-transform: translate(202px, 67px);
    transform: translate(202px, 67px);
  }
  .tile.tile-position-4-3 {
    -webkit-transform: translate(202px, 135px);
    -moz-transform: translate(202px, 135px);
    -ms-transform: translate(202px, 135px);
    transform: translate(202px, 135px);
  }
  .tile.tile-position-4-4 {
    -webkit-transform: translate(202px, 202px);
    -moz-transform: translate(202px, 202px);
    -ms-transform: translate(202px, 202px);
    transform: translate(202px, 202px);
  }
  .tile .tile-inner {
    font-size: 35px;
  }
  .game-message p {
    font-size: 30px !important;
    height: 30px !important;
    line-height: 30px !important;
    margin-top: 90px !important;
  }
  .game-message .lower {
    margin-top: 30px !important;
  }
}

3、页面逻辑处理

var app = getApp();

var Grid = require('./grid.js');
var Tile = require('./tile.js');
var GameManager = require('./game_manager.js');

var config = {
    data: {
        hidden: false,

        // 游戏数据可以通过参数控制
        grids: [],
        over: false,
        win: false,
        score: 0,
        highscore: 0,
        overMsg: '游戏结束'
    },
    onLoad: function() {
        this.GameManager = new GameManager(4);

        this.setData({
            grids: this.GameManager.setup(),
            highscore: wx.getStorageSync('highscore') || 0
        });

    },
    onReady: function() {
        var that = this;

        // 页面渲染完毕隐藏loading
        that.setData({
            hidden: true
        });
    },
    onShow: function() {
        // 页面展示
    },
    onHide: function() {
        // 页面隐藏
    },
    onUnload: function() {
        // 页面关闭
    },

    // 更新视图数据
    updateView: function(data) {
        // 游戏结束
        if(data.over){
            data.overMsg = '游戏结束';
        }

        // 获胜
        if(data.win){
            data.overMsg = '恭喜';
        }

        this.setData(data);
    },

    // 重新开始
    restart: function() {
        this.updateView({
            grids: this.GameManager.restart(),
            over: false,
            won: false,
            score: 0
        });
    },

    touchStartClienX: 0,
    touchStartClientY: 0,
    touchEndClientX: 0,
    touchEndClientY: 0,
    isMultiple: false, // 多手指操作

    touchStart: function(events) {

        // 多指操作
        this.isMultiple = events.touches.length > 1;
        if (this.isMultiple) {
            return;
        }

        var touch = events.touches[0];

        this.touchStartClientX = touch.clientX;
        this.touchStartClientY = touch.clientY;

    },

    touchMove: function(events) {
        var touch = events.touches[0];
        this.touchEndClientX = touch.clientX;
        this.touchEndClientY = touch.clientY;
    },

    touchEnd: function(events) {
        if (this.isMultiple) {
            return;
        }

        var dx = this.touchEndClientX - this.touchStartClientX;
        var absDx = Math.abs(dx);
        var dy = this.touchEndClientY - this.touchStartClientY;
        var absDy = Math.abs(dy);

        if (Math.max(absDx, absDy) > 10) {
            var direction = absDx > absDy ? (dx > 0 ? 1 : 3) : (dy > 0 ? 2 : 0);

            var data = this.GameManager.move(direction) || {
                grids: this.data.grids,
                over: this.data.over,
                won: this.data.won,
                score: this.data.score
            };

            var highscore = wx.getStorageSync('highscore') || 0;
            if(data.score > highscore){
                wx.setStorageSync('highscore', data.score);
            }

            this.updateView({
                grids: data.grids,
                over: data.over,
                won: data.won,
                score: data.score,
                highscore: Math.max(highscore, data.score)
            });

        }

    }
};

Page(config);