微信小游戏1

## quickstart

## 源码目录介绍

./js
├── base                                   // 定义游戏开发基础类
│   ├── animatoin.js                       // 帧动画的简易实现
│   ├── pool.js                            // 对象池的简易实现
│   └── sprite.js                          // 游戏基本元素精灵类
├── libs
│   ├── symbol.js                          // ES6 Symbol简易兼容
│   └── weapp-adapter.js                   // 小游戏适配器
├── npc
│   └── enemy.js                           // 敌机类
├── player
│   ├── bullet.js                          // 子弹类
│   └── index.js                           // 玩家类
├── runtime
│   ├── background.js                      // 背景类
│   ├── gameinfo.js                        // 用于展示分数和结算界面
│   └── music.js                           // 全局音效管理器
├── databus.js                             // 管控游戏状态
└── main.js                                // 游戏入口主函数

const canvas = wx.createCanvas()

{
  "lockfileVersion": 1
}

import './js/libs/weapp-adapter'
import './js/libs/symbol'

import Main from './js/main'

new Main()

{
    "deviceOrientation": "portrait"
}

{
    "description": "项目配置文件。",
    "setting": {
        "urlCheck": false,
        "es6": true,
        "postcss": true,
        "minified": true,
        "newFeature": true
    },
    "compileType": "game",
    "libVersion": "1.9.94",
    "appid": "",
    "projectname": "wxgame",
    "simulatorType": "wechat",
    "simulatorPluginLibVersion": {},
    "condition": {
        "search": {
            "current": -1,
            "list": []
        },
        "conversation": {
            "current": -1,
            "list": []
        },
        "game": {
            "currentL": -1,
            "list": []
        },
        "miniprogram": {
            "current": -1,
            "list": []
        }
    }
}

import Player     from './player/index'
import Enemy      from './npc/enemy'
import BackGround from './runtime/background'
import GameInfo   from './runtime/gameinfo'
import Music      from './runtime/music'
import DataBus    from './databus'

let ctx   = canvas.getContext('2d')
let databus = new DataBus()

/**
 * 游戏主函数
 */
export default class Main {
  constructor() {
    // 维护当前requestAnimationFrame的id
    this.aniId    = 0

    this.restart()
  }

  restart() {
    databus.reset()

    canvas.removeEventListener(
      'touchstart',
      this.touchHandler
    )

    this.bg       = new BackGround(ctx)
    this.player   = new Player(ctx)
    this.gameinfo = new GameInfo()
    this.music    = new Music()

    this.bindLoop     = this.loop.bind(this)
    this.hasEventBind = false

    // 清除上一局的动画
    window.cancelAnimationFrame(this.aniId);

    this.aniId = window.requestAnimationFrame(
      this.bindLoop,
      canvas
    )
  }

  /**
   * 随着帧数变化的敌机生成逻辑
   * 帧数取模定义成生成的频率
   */
  enemyGenerate() {
    if ( databus.frame % 30 === 0 ) {
      let enemy = databus.pool.getItemByClass('enemy', Enemy)
      enemy.init(6)
      databus.enemys.push(enemy)
    }
  }

  // 全局碰撞检测
  collisionDetection() {
    let that = this

    databus.bullets.forEach((bullet) => {
      for ( let i = 0, il = databus.enemys.length; i < il;i++ ) {
        let enemy = databus.enemys[i]

        if ( !enemy.isPlaying && enemy.isCollideWith(bullet) ) {
          enemy.playAnimation()
          that.music.playExplosion()

          bullet.visible = false
          databus.score  += 1

          break
        }
      }
    })

    for ( let i = 0, il = databus.enemys.length; i < il;i++ ) {
      let enemy = databus.enemys[i]

      if ( this.player.isCollideWith(enemy) ) {
        databus.gameOver = true

        break
      }
    }
  }

  // 游戏结束后的触摸事件处理逻辑
  touchEventHandler(e) {
     e.preventDefault()

    let x = e.touches[0].clientX
    let y = e.touches[0].clientY

    let area = this.gameinfo.btnArea

    if (   x >= area.startX
        && x <= area.endX
        && y >= area.startY
        && y <= area.endY  )
      this.restart()
  }

  /**
   * canvas重绘函数
   * 每一帧重新绘制所有的需要展示的元素
   */
  render() {
    ctx.clearRect(0, 0, canvas.width, canvas.height)

    this.bg.render(ctx)

    databus.bullets
          .concat(databus.enemys)
          .forEach((item) => {
              item.drawToCanvas(ctx)
            })

    this.player.drawToCanvas(ctx)

    databus.animations.forEach((ani) => {
      if ( ani.isPlaying ) {
        ani.aniRender(ctx)
      }
    })

    this.gameinfo.renderGameScore(ctx, databus.score)

    // 游戏结束停止帧循环
    if ( databus.gameOver ) {
      this.gameinfo.renderGameOver(ctx, databus.score)

      if ( !this.hasEventBind ) {
        this.hasEventBind = true
        this.touchHandler = this.touchEventHandler.bind(this)
        canvas.addEventListener('touchstart', this.touchHandler)
      }
    }
  }

  // 游戏逻辑更新主函数
  update() {
    if ( databus.gameOver )
      return;

    this.bg.update()

    databus.bullets
           .concat(databus.enemys)
           .forEach((item) => {
              item.update()
            })

    this.enemyGenerate()

    this.collisionDetection()

    if ( databus.frame % 20 === 0 ) {
      this.player.shoot()
      this.music.playShoot()
    }
  }

  // 实现游戏帧循环
  loop() {
    databus.frame++

    this.update()
    this.render()

    this.aniId = window.requestAnimationFrame(
      this.bindLoop,
      canvas
    )
  }
}

import Pool from './base/pool'

let instance

/**
 * 全局状态管理器
 */
export default class DataBus {
  constructor() {
    if ( instance )
      return instance

    instance = this

    this.pool = new Pool()

    this.reset()
  }

  reset() {
    this.frame      = 0
    this.score      = 0
    this.bullets    = []
    this.enemys     = []
    this.animations = []
    this.gameOver   = false
  }

  /**
   * 回收敌人，进入对象池
   * 此后不进入帧循环
   */
  removeEnemey(enemy) {
    let temp = this.enemys.shift()

    temp.visible = false

    this.pool.recover('enemy', enemy)
  }

  /**
   * 回收子弹，进入对象池
   * 此后不进入帧循环
   */
  removeBullets(bullet) {
    let temp = this.bullets.shift()

    temp.visible = false

    this.pool.recover('bullet', bullet)
  }
}

import Sprite from '../base/sprite'

const screenWidth  = window.innerWidth
const screenHeight = window.innerHeight

const BG_IMG_SRC   = 'images/bg.jpg'
const BG_WIDTH     = 512
const BG_HEIGHT    = 512

/**
 * 游戏背景类
 * 提供update和render函数实现无限滚动的背景功能
 */
export default class BackGround extends Sprite {
  constructor(ctx) {
    super(BG_IMG_SRC, BG_WIDTH, BG_HEIGHT)

    this.top = 0

    this.render(ctx)
  }

  update() {
    this.top += 2

    if ( this.top >= screenHeight )
      this.top = 0
  }

  /**
   * 背景图重绘函数
   * 绘制两张图片，两张图片大小和屏幕一致
   * 第一张漏出高度为top部分，其余的隐藏在屏幕上面
   * 第二张补全除了top高度之外的部分，其余的隐藏在屏幕下面
   */
  render(ctx) {
    ctx.drawImage(
      this.img,
      0,
      0,
      this.width,
      this.height,
      0,
      -screenHeight + this.top,
      screenWidth,
      screenHeight
    )

    ctx.drawImage(
      this.img,
      0,
      0,
      this.width,
      this.height,
      0,
      this.top,
      screenWidth,
      screenHeight
    )
  }
}

const screenWidth  = window.innerWidth
const screenHeight = window.innerHeight

let atlas = new Image()
atlas.src = 'images/Common.png'

export default class GameInfo {
  renderGameScore(ctx, score) {
    ctx.fillStyle = "#ffffff"
    ctx.font      = "20px Arial"

    ctx.fillText(
      score,
      10,
      30
    )
  }

  renderGameOver(ctx, score) {
    ctx.drawImage(atlas, 0, 0, 119, 108, screenWidth / 2 - 150, screenHeight / 2 - 100, 300, 300)

    ctx.fillStyle = "#ffffff"
    ctx.font    = "20px Arial"

    ctx.fillText(
      '游戏结束',
      screenWidth / 2 - 40,
      screenHeight / 2 - 100 + 50
    )

    ctx.fillText(
      '得分: ' + score,
      screenWidth / 2 - 40,
      screenHeight / 2 - 100 + 130
    )

    ctx.drawImage(
      atlas,
      120, 6, 39, 24,
      screenWidth / 2 - 60,
      screenHeight / 2 - 100 + 180,
      120, 40
    )

    ctx.fillText(
      '重新开始',
      screenWidth / 2 - 40,
      screenHeight / 2 - 100 + 205
    )

    /**
     * 重新开始按钮区域
     * 方便简易判断按钮点击
     */
    this.btnArea = {
      startX: screenWidth / 2 - 40,
      startY: screenHeight / 2 - 100 + 180,
      endX  : screenWidth / 2  + 50,
      endY  : screenHeight / 2 - 100 + 255
    }
  }
}

let instance

/**
 * 统一的音效管理器
 */
export default class Music {
  constructor() {
    if ( instance )
      return instance

    instance = this

    this.bgmAudio = new Audio()
    this.bgmAudio.loop = true
    this.bgmAudio.src  = 'audio/bgm.mp3'

    this.shootAudio     = new Audio()
    this.shootAudio.src = 'audio/bullet.mp3'

    this.boomAudio     = new Audio()
    this.boomAudio.src = 'audio/boom.mp3'

    this.playBgm()
  }

  playBgm() {
    this.bgmAudio.play()
  }

  playShoot() {
    this.shootAudio.currentTime = 0
    this.shootAudio.play()
  }

  playExplosion() {
    this.boomAudio.currentTime = 0
    this.boomAudio.play()
  }
}

import Sprite   from '../base/sprite'
import DataBus  from '../databus'

const BULLET_IMG_SRC = 'images/bullet.png'
const BULLET_WIDTH   = 16
const BULLET_HEIGHT  = 30

const __ = {
  speed: Symbol('speed')
}

let databus = new DataBus()

export default class Bullet extends Sprite {
  constructor() {
    super(BULLET_IMG_SRC, BULLET_WIDTH, BULLET_HEIGHT)
  }

  init(x, y, speed) {
    this.x = x
    this.y = y

    this[__.speed] = speed

    this.visible = true
  }

  // 每一帧更新子弹位置
  update() {
    this.y -= this[__.speed]

    // 超出屏幕外回收自身
    if ( this.y < -this.height )
      databus.removeBullets(this)
  }
}

import Sprite   from '../base/sprite'
import Bullet   from './bullet'
import DataBus  from '../databus'

const screenWidth    = window.innerWidth
const screenHeight   = window.innerHeight

// 玩家相关常量设置
const PLAYER_IMG_SRC = 'images/hero.png'
const PLAYER_WIDTH   = 80
const PLAYER_HEIGHT  = 80

let databus = new DataBus()

export default class Player extends Sprite {
  constructor() {
    super(PLAYER_IMG_SRC, PLAYER_WIDTH, PLAYER_HEIGHT)

    // 玩家默认处于屏幕底部居中位置
    this.x = screenWidth / 2 - this.width / 2
    this.y = screenHeight - this.height - 30

    // 用于在手指移动的时候标识手指是否已经在飞机上了
    this.touched = false

    this.bullets = []

    // 初始化事件监听
    this.initEvent()
  }

  /**
   * 当手指触摸屏幕的时候
   * 判断手指是否在飞机上
   * @param {Number} x: 手指的X轴坐标
   * @param {Number} y: 手指的Y轴坐标
   * @return {Boolean}: 用于标识手指是否在飞机上的布尔值
   */
  checkIsFingerOnAir(x, y) {
    const deviation = 30

    return !!(   x >= this.x - deviation
              && y >= this.y - deviation
              && x <= this.x + this.width + deviation
              && y <= this.y + this.height + deviation  )
  }

  /**
   * 根据手指的位置设置飞机的位置
   * 保证手指处于飞机中间
   * 同时限定飞机的活动范围限制在屏幕中
   */
  setAirPosAcrossFingerPosZ(x, y) {
    let disX = x - this.width / 2
    let disY = y - this.height / 2

    if ( disX < 0 )
      disX = 0

    else if ( disX > screenWidth - this.width )
      disX = screenWidth - this.width

    if ( disY <= 0 )
      disY = 0

    else if ( disY > screenHeight - this.height )
      disY = screenHeight - this.height

    this.x = disX
    this.y = disY
  }

  /**
   * 玩家响应手指的触摸事件
   * 改变战机的位置
   */
  initEvent() {
    canvas.addEventListener('touchstart', ((e) => {
      e.preventDefault()

      let x = e.touches[0].clientX
      let y = e.touches[0].clientY

      //
      if ( this.checkIsFingerOnAir(x, y) ) {
        this.touched = true

        this.setAirPosAcrossFingerPosZ(x, y)
      }

    }).bind(this))

    canvas.addEventListener('touchmove', ((e) => {
      e.preventDefault()

      let x = e.touches[0].clientX
      let y = e.touches[0].clientY

      if ( this.touched )
        this.setAirPosAcrossFingerPosZ(x, y)

    }).bind(this))

    canvas.addEventListener('touchend', ((e) => {
      e.preventDefault()

      this.touched = false
    }).bind(this))
  }

  /**
   * 玩家射击操作
   * 射击时机由外部决定
   */
  shoot() {
    let bullet = databus.pool.getItemByClass('bullet', Bullet)

    bullet.init(
      this.x + this.width / 2 - bullet.width / 2,
      this.y - 10,
      10
    )

    databus.bullets.push(bullet)
  }
}

import Animation from '../base/animation'
import DataBus   from '../databus'

const ENEMY_IMG_SRC = 'images/enemy.png'
const ENEMY_WIDTH   = 60
const ENEMY_HEIGHT  = 60

const __ = {
  speed: Symbol('speed')
}

let databus = new DataBus()

function rnd(start, end){
  return Math.floor(Math.random() * (end - start) + start)
}

export default class Enemy extends Animation {
  constructor() {
    super(ENEMY_IMG_SRC, ENEMY_WIDTH, ENEMY_HEIGHT)

    this.initExplosionAnimation()
  }

  init(speed) {
    this.x = rnd(0, window.innerWidth - ENEMY_WIDTH)
    this.y = -this.height

    this[__.speed] = speed

    this.visible = true
  }

  // 预定义爆炸的帧动画
  initExplosionAnimation() {
    let frames = []

    const EXPLO_IMG_PREFIX  = 'images/explosion'
    const EXPLO_FRAME_COUNT = 19

    for ( let i = 0;i < EXPLO_FRAME_COUNT;i++ ) {
      frames.push(EXPLO_IMG_PREFIX + (i + 1) + '.png')
    }

    this.initFrames(frames)
  }

  // 每一帧更新子弹位置
  update() {
    this.y += this[__.speed]

    // 对象回收
    if ( this.y > window.innerHeight + this.height )
      databus.removeEnemey(this)
  }
}

/**
 * 对于ES6中Symbol的极简兼容
 * 方便模拟私有变量
 */

let Symbol  = window.Symbol
let idCounter = 0

if (!Symbol) {
  Symbol = function Symbol(key) {
    return `__${key}_${Math.floor(Math.random() * 1e9)}_${++idCounter}__`
  }

  Symbol.iterator = Symbol('Symbol.iterator')
}

window.Symbol = Symbol

/******/ (function(modules) { // webpackBootstrap
/******/    // The module cache
/******/    var installedModules = {}

/******/    // The require function
/******/    function __webpack_require__(moduleId) {

/******/        // Check if module is in cache
/******/        if(installedModules[moduleId])
/******/            return installedModules[moduleId].exports

/******/        // Create a new module (and put it into the cache)
/******/        var module = installedModules[moduleId] = {
/******/            exports: {},
/******/            id: moduleId,
/******/            loaded: false
/******/        }

/******/        // Execute the module function
/******/        modules[moduleId].call(module.exports, module, module.exports, __webpack_require__)

/******/        // Flag the module as loaded
/******/        module.loaded = true

/******/        // Return the exports of the module
/******/        return module.exports
/******/    }


/******/    // expose the modules object (__webpack_modules__)
/******/    __webpack_require__.m = modules

/******/    // expose the module cache
/******/    __webpack_require__.c = installedModules

/******/    // __webpack_public_path__
/******/    __webpack_require__.p = ""

/******/    // Load entry module and return exports
/******/    return __webpack_require__(0)
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    var _window2 = __webpack_require__(1)

    var _window = _interopRequireWildcard(_window2)

    function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key] } } newObj.default = obj; return newObj } }

    var global = GameGlobal

    function inject() {
      _window.addEventListener = _window.canvas.addEventListener = function (type, listener) {
        _window.document.addEventListener(type, listener)
      }
      _window.removeEventListener = _window.canvas.removeEventListener = function (type, listener) {
        _window.document.removeEventListener(type, listener)
      }

      var _wx$getSystemInfoSync = wx.getSystemInfoSync(),
          platform = _wx$getSystemInfoSync.platform

      // 开发者工具无法重定义 window


      if (typeof __devtoolssubcontext === 'undefined' && platform === 'devtools') {
        for (var key in _window) {
          var descriptor = Object.getOwnPropertyDescriptor(global, key)

          if (!descriptor || descriptor.configurable === true) {
            Object.defineProperty(window, key, {
              value: _window[key]
            })
          }
        }

        for (var _key in _window.document) {
          var _descriptor = Object.getOwnPropertyDescriptor(global.document, _key)

          if (!_descriptor || _descriptor.configurable === true) {
            Object.defineProperty(global.document, _key, {
              value: _window.document[_key]
            })
          }
        }
        window.parent = window
      } else {
        for (var _key2 in _window) {
          global[_key2] = _window[_key2]
        }
        global.window = _window
        window = global
        window.top = window.parent = window
      }
    }

    if (!GameGlobal.__isAdapterInjected) {
      GameGlobal.__isAdapterInjected = true
      inject()
    }

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    exports.cancelAnimationFrame = exports.requestAnimationFrame = exports.clearInterval = exports.clearTimeout = exports.setInterval = exports.setTimeout = exports.canvas = exports.location = exports.localStorage = exports.HTMLElement = exports.FileReader = exports.Audio = exports.Image = exports.WebSocket = exports.XMLHttpRequest = exports.navigator = exports.document = undefined

    var _WindowProperties = __webpack_require__(2)

    Object.keys(_WindowProperties).forEach(function (key) {
      if (key === "default" || key === "__esModule") return
      Object.defineProperty(exports, key, {
        enumerable: true,
        get: function get() {
          return _WindowProperties[key]
        }
      })
    })

    var _constructor = __webpack_require__(3)

    Object.keys(_constructor).forEach(function (key) {
      if (key === "default" || key === "__esModule") return
      Object.defineProperty(exports, key, {
        enumerable: true,
        get: function get() {
          return _constructor[key]
        }
      })
    })

    var _Canvas = __webpack_require__(9)

    var _Canvas2 = _interopRequireDefault(_Canvas)

    var _document2 = __webpack_require__(10)

    var _document3 = _interopRequireDefault(_document2)

    var _navigator2 = __webpack_require__(17)

    var _navigator3 = _interopRequireDefault(_navigator2)

    var _XMLHttpRequest2 = __webpack_require__(18)

    var _XMLHttpRequest3 = _interopRequireDefault(_XMLHttpRequest2)

    var _WebSocket2 = __webpack_require__(19)

    var _WebSocket3 = _interopRequireDefault(_WebSocket2)

    var _Image2 = __webpack_require__(11)

    var _Image3 = _interopRequireDefault(_Image2)

    var _Audio2 = __webpack_require__(12)

    var _Audio3 = _interopRequireDefault(_Audio2)

    var _FileReader2 = __webpack_require__(20)

    var _FileReader3 = _interopRequireDefault(_FileReader2)

    var _HTMLElement2 = __webpack_require__(4)

    var _HTMLElement3 = _interopRequireDefault(_HTMLElement2)

    var _localStorage2 = __webpack_require__(21)

    var _localStorage3 = _interopRequireDefault(_localStorage2)

    var _location2 = __webpack_require__(22)

    var _location3 = _interopRequireDefault(_location2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    exports.document = _document3.default
    exports.navigator = _navigator3.default
    exports.XMLHttpRequest = _XMLHttpRequest3.default
    exports.WebSocket = _WebSocket3.default
    exports.Image = _Image3.default
    exports.Audio = _Audio3.default
    exports.FileReader = _FileReader3.default
    exports.HTMLElement = _HTMLElement3.default
    exports.localStorage = _localStorage3.default
    exports.location = _location3.default


    // 暴露全局的 canvas
    var canvas = new _Canvas2.default()

    exports.canvas = canvas
    exports.setTimeout = setTimeout
    exports.setInterval = setInterval
    exports.clearTimeout = clearTimeout
    exports.clearInterval = clearInterval
    exports.requestAnimationFrame = requestAnimationFrame
    exports.cancelAnimationFrame = cancelAnimationFrame

/***/ }),
/* 2 */
/***/ (function(module, exports) {

    "use strict"

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _wx$getSystemInfoSync = wx.getSystemInfoSync(),
        screenWidth = _wx$getSystemInfoSync.screenWidth,
        screenHeight = _wx$getSystemInfoSync.screenHeight,
        devicePixelRatio = _wx$getSystemInfoSync.devicePixelRatio

    var innerWidth = exports.innerWidth = screenWidth
    var innerHeight = exports.innerHeight = screenHeight
    exports.devicePixelRatio = devicePixelRatio
    var screen = exports.screen = {
      availWidth: innerWidth,
      availHeight: innerHeight
    }
    var performance = exports.performance = {
      now: function now() {
        return Date.now() / 1000
      }
    }
    var ontouchstart = exports.ontouchstart = null
    var ontouchmove = exports.ontouchmove = null
    var ontouchend = exports.ontouchend = null

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    exports.HTMLCanvasElement = exports.HTMLImageElement = undefined

    var _HTMLElement3 = __webpack_require__(4)

    var _HTMLElement4 = _interopRequireDefault(_HTMLElement3)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var HTMLImageElement = exports.HTMLImageElement = function (_HTMLElement) {
      _inherits(HTMLImageElement, _HTMLElement)

      function HTMLImageElement() {
        _classCallCheck(this, HTMLImageElement)

        return _possibleConstructorReturn(this, (HTMLImageElement.__proto__ || Object.getPrototypeOf(HTMLImageElement)).call(this, 'img'))
      }

      return HTMLImageElement
    }(_HTMLElement4.default)

    var HTMLCanvasElement = exports.HTMLCanvasElement = function (_HTMLElement2) {
      _inherits(HTMLCanvasElement, _HTMLElement2)

      function HTMLCanvasElement() {
        _classCallCheck(this, HTMLCanvasElement)

        return _possibleConstructorReturn(this, (HTMLCanvasElement.__proto__ || Object.getPrototypeOf(HTMLCanvasElement)).call(this, 'canvas'))
      }

      return HTMLCanvasElement
    }(_HTMLElement4.default)

/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    var _Element2 = __webpack_require__(5)

    var _Element3 = _interopRequireDefault(_Element2)

    var _util = __webpack_require__(8)

    var _WindowProperties = __webpack_require__(2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var HTMLElement = function (_Element) {
      _inherits(HTMLElement, _Element)

      function HTMLElement() {
        var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''

        _classCallCheck(this, HTMLElement)

        var _this = _possibleConstructorReturn(this, (HTMLElement.__proto__ || Object.getPrototypeOf(HTMLElement)).call(this))

        _this.className = ''
        _this.childern = []
        _this.style = {
          width: _WindowProperties.innerWidth + 'px',
          height: _WindowProperties.innerHeight + 'px'
        }
        _this.insertBefore = _util.noop
        _this.innerHTML = ''

        _this.tagName = tagName.toUpperCase()
        return _this
      }

      _createClass(HTMLElement, [{
        key: 'setAttribute',
        value: function setAttribute(name, value) {
          this[name] = value
        }
      }, {
        key: 'getAttribute',
        value: function getAttribute(name) {
          return this[name]
        }
      }, {
        key: 'getBoundingClientRect',
        value: function getBoundingClientRect() {
          return {
            top: 0,
            left: 0,
            width: _WindowProperties.innerWidth,
            height: _WindowProperties.innerHeight
          }
        }
      }, {
        key: 'focus',
        value: function focus() {}
      }, {
        key: 'clientWidth',
        get: function get() {
          var ret = parseInt(this.style.fontSize, 10) * this.innerHTML.length

          return Number.isNaN(ret) ? 0 : ret
        }
      }, {
        key: 'clientHeight',
        get: function get() {
          var ret = parseInt(this.style.fontSize, 10)

          return Number.isNaN(ret) ? 0 : ret
        }
      }])

      return HTMLElement
    }(_Element3.default)

    exports.default = HTMLElement

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _Node2 = __webpack_require__(6)

    var _Node3 = _interopRequireDefault(_Node2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var ELement = function (_Node) {
      _inherits(ELement, _Node)

      function ELement() {
        _classCallCheck(this, ELement)

        var _this = _possibleConstructorReturn(this, (ELement.__proto__ || Object.getPrototypeOf(ELement)).call(this))

        _this.className = ''
        _this.children = []
        return _this
      }

      return ELement
    }(_Node3.default)

    exports.default = ELement

/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    var _EventTarget2 = __webpack_require__(7)

    var _EventTarget3 = _interopRequireDefault(_EventTarget2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var Node = function (_EventTarget) {
      _inherits(Node, _EventTarget)

      function Node() {
        _classCallCheck(this, Node)

        var _this = _possibleConstructorReturn(this, (Node.__proto__ || Object.getPrototypeOf(Node)).call(this))

        _this.childNodes = []
        return _this
      }

      _createClass(Node, [{
        key: 'appendChild',
        value: function appendChild(node) {
          if (node instanceof Node) {
            this.childNodes.push(node)
          } else {
            throw new TypeError('Failed to executed \'appendChild\' on \'Node\': parameter 1 is not of type \'Node\'.')
          }
        }
      }, {
        key: 'cloneNode',
        value: function cloneNode() {
          var copyNode = Object.create(this)

          Object.assign(copyNode, this)
          return copyNode
        }
      }, {
        key: 'removeChild',
        value: function removeChild(node) {
          var index = this.childNodes.findIndex(function (child) {
            return child === node
          })

          if (index > -1) {
            return this.childNodes.splice(index, 1)
          }
          return null
        }
      }])

      return Node
    }(_EventTarget3.default)

    exports.default = Node

/***/ }),
/* 7 */
/***/ (function(module, exports) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    var _events = new WeakMap()

    var EventTarget = function () {
      function EventTarget() {
        _classCallCheck(this, EventTarget)

        _events.set(this, {})
      }

      _createClass(EventTarget, [{
        key: 'addEventListener',
        value: function addEventListener(type, listener) {
          var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}

          var events = _events.get(this)

          if (!events) {
            events = {}
            _events.set(this, events)
          }
          if (!events[type]) {
            events[type] = []
          }
          events[type].push(listener)

          if (options.capture) {
            console.warn('EventTarget.addEventListener: options.capture is not implemented.')
          }
          if (options.once) {
            console.warn('EventTarget.addEventListener: options.once is not implemented.')
          }
          if (options.passive) {
            console.warn('EventTarget.addEventListener: options.passive is not implemented.')
          }
        }
      }, {
        key: 'removeEventListener',
        value: function removeEventListener(type, listener) {
          var listeners = _events.get(this)[type]

          if (listeners && listeners.length > 0) {
            for (var i = listeners.length; i--; i > 0) {
              if (listeners[i] === listener) {
                listeners.splice(i, 1)
                break
              }
            }
          }
        }
      }, {
        key: 'dispatchEvent',
        value: function dispatchEvent() {
          var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}

          var listeners = _events.get(this)[event.type]

          if (listeners) {
            for (var i = 0; i < listeners.length; i++) {
              listeners[i](event)
            }
          }
        }
      }])

      return EventTarget
    }()

    exports.default = EventTarget

/***/ }),
/* 8 */
/***/ (function(module, exports) {

    "use strict"

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    exports.noop = noop
    function noop() {}

/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    exports.default = Canvas

    var _constructor = __webpack_require__(3)

    var _HTMLElement = __webpack_require__(4)

    var _HTMLElement2 = _interopRequireDefault(_HTMLElement)

    var _document = __webpack_require__(10)

    var _document2 = _interopRequireDefault(_document)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    var hasModifiedCanvasPrototype = false
    var hasInit2DContextConstructor = false
    var hasInitWebGLContextConstructor = false

    function Canvas() {
      var canvas = wx.createCanvas()

      canvas.type = 'canvas'

      canvas.__proto__.__proto__ = new _HTMLElement2.default('canvas')

      var _getContext = canvas.getContext

      canvas.getBoundingClientRect = function () {
        var ret = {
          top: 0,
          left: 0,
          width: window.innerWidth,
          height: window.innerHeight
        }
        return ret
      }

      return canvas
    }

/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _window = __webpack_require__(1)

    var window = _interopRequireWildcard(_window)

    var _HTMLElement = __webpack_require__(4)

    var _HTMLElement2 = _interopRequireDefault(_HTMLElement)

    var _Image = __webpack_require__(11)

    var _Image2 = _interopRequireDefault(_Image)

    var _Audio = __webpack_require__(12)

    var _Audio2 = _interopRequireDefault(_Audio)

    var _Canvas = __webpack_require__(9)

    var _Canvas2 = _interopRequireDefault(_Canvas)

    __webpack_require__(15)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key] } } newObj.default = obj; return newObj } }

    var events = {}

    var document = {
      readyState: 'complete',
      visibilityState: 'visible',
      documentElement: window,
      hidden: false,
      style: {},
      location: window.location,
      ontouchstart: null,
      ontouchmove: null,
      ontouchend: null,

      head: new _HTMLElement2.default('head'),
      body: new _HTMLElement2.default('body'),

      createElement: function createElement(tagName) {
        if (tagName === 'canvas') {
          return new _Canvas2.default()
        } else if (tagName === 'audio') {
          return new _Audio2.default()
        } else if (tagName === 'img') {
          return new _Image2.default()
        }

        return new _HTMLElement2.default(tagName)
      },
      getElementById: function getElementById(id) {
        if (id === window.canvas.id) {
          return window.canvas
        }
        return null
      },
      getElementsByTagName: function getElementsByTagName(tagName) {
        if (tagName === 'head') {
          return [document.head]
        } else if (tagName === 'body') {
          return [document.body]
        } else if (tagName === 'canvas') {
          return [window.canvas]
        }
        return []
      },
      querySelector: function querySelector(query) {
        if (query === 'head') {
          return document.head
        } else if (query === 'body') {
          return document.body
        } else if (query === 'canvas') {
          return window.canvas
        } else if (query === '#' + window.canvas.id) {
          return window.canvas
        }
        return null
      },
      querySelectorAll: function querySelectorAll(query) {
        if (query === 'head') {
          return [document.head]
        } else if (query === 'body') {
          return [document.body]
        } else if (query === 'canvas') {
          return [window.canvas]
        }
        return []
      },
      addEventListener: function addEventListener(type, listener) {
        if (!events[type]) {
          events[type] = []
        }
        events[type].push(listener)
      },
      removeEventListener: function removeEventListener(type, listener) {
        var listeners = events[type]

        if (listeners && listeners.length > 0) {
          for (var i = listeners.length; i--; i > 0) {
            if (listeners[i] === listener) {
              listeners.splice(i, 1)
              break
            }
          }
        }
      },
      dispatchEvent: function dispatchEvent(event) {
        var listeners = events[event.type]

        if (listeners) {
          for (var i = 0; i < listeners.length; i++) {
            listeners[i](event)
          }
        }
      }
    }

    exports.default = document

/***/ }),
/* 11 */
/***/ (function(module, exports) {

    "use strict"

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    exports.default = Image
    function Image() {
      var image = wx.createImage()

      return image
    }

/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    var _HTMLAudioElement2 = __webpack_require__(13)

    var _HTMLAudioElement3 = _interopRequireDefault(_HTMLAudioElement2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var HAVE_NOTHING = 0
    var HAVE_METADATA = 1
    var HAVE_CURRENT_DATA = 2
    var HAVE_FUTURE_DATA = 3
    var HAVE_ENOUGH_DATA = 4

    var _innerAudioContext = new WeakMap()
    var _src = new WeakMap()
    var _loop = new WeakMap()
    var _autoplay = new WeakMap()

    var Audio = function (_HTMLAudioElement) {
      _inherits(Audio, _HTMLAudioElement)

      function Audio(url) {
        _classCallCheck(this, Audio)

        var _this = _possibleConstructorReturn(this, (Audio.__proto__ || Object.getPrototypeOf(Audio)).call(this))

        _this.HAVE_NOTHING = HAVE_NOTHING
        _this.HAVE_METADATA = HAVE_METADATA
        _this.HAVE_CURRENT_DATA = HAVE_CURRENT_DATA
        _this.HAVE_FUTURE_DATA = HAVE_FUTURE_DATA
        _this.HAVE_ENOUGH_DATA = HAVE_ENOUGH_DATA
        _this.readyState = HAVE_NOTHING


        _src.set(_this, '')

        var innerAudioContext = wx.createInnerAudioContext()

        _innerAudioContext.set(_this, innerAudioContext)

        innerAudioContext.onCanplay(function () {
          _this.dispatchEvent({ type: 'load' })
          _this.dispatchEvent({ type: 'loadend' })
          _this.dispatchEvent({ type: 'canplay' })
          _this.dispatchEvent({ type: 'canplaythrough' })
          _this.dispatchEvent({ type: 'loadedmetadata' })
          _this.readyState = HAVE_CURRENT_DATA
        })
        innerAudioContext.onPlay(function () {
          _this.dispatchEvent({ type: 'play' })
        })
        innerAudioContext.onPause(function () {
          _this.dispatchEvent({ type: 'pause' })
        })
        innerAudioContext.onEnded(function () {
          _this.dispatchEvent({ type: 'ended' })
          _this.readyState = HAVE_ENOUGH_DATA
        })
        innerAudioContext.onError(function () {
          _this.dispatchEvent({ type: 'error' })
        })

        if (url) {
          _innerAudioContext.get(_this).src = url
        }
        return _this
      }

      _createClass(Audio, [{
        key: 'load',
        value: function load() {
          console.warn('HTMLAudioElement.load() is not implemented.')
        }
      }, {
        key: 'play',
        value: function play() {
          _innerAudioContext.get(this).play()
        }
      }, {
        key: 'pause',
        value: function pause() {
          _innerAudioContext.get(this).pause()
        }
      }, {
        key: 'canPlayType',
        value: function canPlayType() {
          var mediaType = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''

          if (typeof mediaType !== 'string') {
            return ''
          }

          if (mediaType.indexOf('audio/mpeg') > -1 || mediaType.indexOf('audio/mp4')) {
            return 'probably'
          }
          return ''
        }
      }, {
        key: 'cloneNode',
        value: function cloneNode() {
          var newAudio = new Audio()
          newAudio.loop = _innerAudioContext.get(this).loop
          newAudio.autoplay = _innerAudioContext.get(this).loop
          newAudio.src = this.src
          return newAudio
        }
      }, {
        key: 'currentTime',
        get: function get() {
          return _innerAudioContext.get(this).currentTime
        },
        set: function set(value) {
          _innerAudioContext.get(this).seek(value)
        }
      }, {
        key: 'src',
        get: function get() {
          return _src.get(this)
        },
        set: function set(value) {
          _src.set(this, value)
          _innerAudioContext.get(this).src = value
        }
      }, {
        key: 'loop',
        get: function get() {
          return _innerAudioContext.get(this).loop
        },
        set: function set(value) {
          _innerAudioContext.get(this).loop = value
        }
      }, {
        key: 'autoplay',
        get: function get() {
          return _innerAudioContext.get(this).autoplay
        },
        set: function set(value) {
          _innerAudioContext.get(this).autoplay = value
        }
      }, {
        key: 'paused',
        get: function get() {
          return _innerAudioContext.get(this).paused
        }
      }])

      return Audio
    }(_HTMLAudioElement3.default)

    exports.default = Audio

/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _HTMLMediaElement2 = __webpack_require__(14)

    var _HTMLMediaElement3 = _interopRequireDefault(_HTMLMediaElement2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var HTMLAudioElement = function (_HTMLMediaElement) {
      _inherits(HTMLAudioElement, _HTMLMediaElement)

      function HTMLAudioElement() {
        _classCallCheck(this, HTMLAudioElement)

        return _possibleConstructorReturn(this, (HTMLAudioElement.__proto__ || Object.getPrototypeOf(HTMLAudioElement)).call(this, 'audio'))
      }

      return HTMLAudioElement
    }(_HTMLMediaElement3.default)

    exports.default = HTMLAudioElement

/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    var _HTMLElement2 = __webpack_require__(4)

    var _HTMLElement3 = _interopRequireDefault(_HTMLElement2)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return call && (typeof call === "object" || typeof call === "function") ? call : self }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass) } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass }

    var HTMLMediaElement = function (_HTMLElement) {
      _inherits(HTMLMediaElement, _HTMLElement)

      function HTMLMediaElement(type) {
        _classCallCheck(this, HTMLMediaElement)

        return _possibleConstructorReturn(this, (HTMLMediaElement.__proto__ || Object.getPrototypeOf(HTMLMediaElement)).call(this, type))
      }

      _createClass(HTMLMediaElement, [{
        key: 'addTextTrack',
        value: function addTextTrack() {}
      }, {
        key: 'captureStream',
        value: function captureStream() {}
      }, {
        key: 'fastSeek',
        value: function fastSeek() {}
      }, {
        key: 'load',
        value: function load() {}
      }, {
        key: 'pause',
        value: function pause() {}
      }, {
        key: 'play',
        value: function play() {}
      }])

      return HTMLMediaElement
    }(_HTMLElement3.default)

    exports.default = HTMLMediaElement

/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    __webpack_require__(16)

/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    var _window = __webpack_require__(1)

    var window = _interopRequireWildcard(_window)

    var _document = __webpack_require__(10)

    var _document2 = _interopRequireDefault(_document)

    var _util = __webpack_require__(8)

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj } }

    function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key] } } newObj.default = obj; return newObj } }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    var TouchEvent = function TouchEvent(type) {
      _classCallCheck(this, TouchEvent)

      this.target = window.canvas
      this.currentTarget = window.canvas
      this.touches = []
      this.targetTouches = []
      this.changedTouches = []
      this.preventDefault = _util.noop
      this.stopPropagation = _util.noop

      this.type = type
    }

    function touchEventHandlerFactory(type) {
      return function (event) {
        var touchEvent = new TouchEvent(type)

        touchEvent.touches = event.touches
        touchEvent.targetTouches = Array.prototype.slice.call(event.touches)
        touchEvent.changedTouches = event.changedTouches
        touchEvent.timeStamp = event.timeStamp
        _document2.default.dispatchEvent(touchEvent)
      }
    }

    wx.onTouchStart(touchEventHandlerFactory('touchstart'))
    wx.onTouchMove(touchEventHandlerFactory('touchmove'))
    wx.onTouchEnd(touchEventHandlerFactory('touchend'))
    wx.onTouchCancel(touchEventHandlerFactory('touchcancel'))

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _util = __webpack_require__(8)

    // TODO 需要 wx.getSystemInfo 获取更详细信息
    var _wx$getSystemInfoSync = wx.getSystemInfoSync(),
        platform = _wx$getSystemInfoSync.platform

    var navigator = {
      platform: platform,
      language: 'zh-cn',
      appVersion: '5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1',
      userAgent: 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Mobile/14E8301 MicroMessenger/6.6.0 MiniGame NetType/WIFI Language/zh_CN',
      onLine: true, // TODO 用 wx.getNetworkStateChange 和 wx.onNetworkStateChange 来返回真实的状态

      // TODO 用 wx.getLocation 来封装 geolocation
      geolocation: {
        getCurrentPosition: _util.noop,
        watchPosition: _util.noop,
        clearWatch: _util.noop
      }
    }

    exports.default = navigator

/***/ }),
/* 18 */
/***/ (function(module, exports) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    var _url = new WeakMap()
    var _method = new WeakMap()
    var _requestHeader = new WeakMap()
    var _responseHeader = new WeakMap()
    var _requestTask = new WeakMap()

    function _triggerEvent(type) {
      if (typeof this['on' + type] === 'function') {
        for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
          args[_key - 1] = arguments[_key]
        }

        this['on' + type].apply(this, args)
      }
    }

    function _changeReadyState(readyState) {
      this.readyState = readyState
      _triggerEvent.call(this, 'readystatechange')
    }

    var XMLHttpRequest = function () {
      // TODO 没法模拟 HEADERS_RECEIVED 和 LOADING 两个状态
      function XMLHttpRequest() {
        _classCallCheck(this, XMLHttpRequest)

        this.onabort = null
        this.onerror = null
        this.onload = null
        this.onloadstart = null
        this.onprogress = null
        this.ontimeout = null
        this.onloadend = null
        this.onreadystatechange = null
        this.readyState = 0
        this.response = null
        this.responseText = null
        this.responseType = ''
        this.responseXML = null
        this.status = 0
        this.statusText = ''
        this.upload = {}
        this.withCredentials = false

        _requestHeader.set(this, {
          'content-type': 'application/x-www-form-urlencoded'
        })
        _responseHeader.set(this, {})
      }

      /*
       * TODO 这一批事件应该是在 XMLHttpRequestEventTarget.prototype 上面的
       */


      _createClass(XMLHttpRequest, [{
        key: 'abort',
        value: function abort() {
          var myRequestTask = _requestTask.get(this)

          if (myRequestTask) {
            myRequestTask.abort()
          }
        }
      }, {
        key: 'getAllResponseHeaders',
        value: function getAllResponseHeaders() {
          var responseHeader = _responseHeader.get(this)

          return Object.keys(responseHeader).map(function (header) {
            return header + ': ' + responseHeader[header]
          }).join('\n')
        }
      }, {
        key: 'getResponseHeader',
        value: function getResponseHeader(header) {
          return _responseHeader.get(this)[header]
        }
      }, {
        key: 'open',
        value: function open(method, url /* async, user, password 这几个参数在小程序内不支持*/) {
          _method.set(this, method)
          _url.set(this, url)
          _changeReadyState.call(this, XMLHttpRequest.OPENED)
        }
      }, {
        key: 'overrideMimeType',
        value: function overrideMimeType() {}
      }, {
        key: 'send',
        value: function send() {
          var _this = this

          var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''

          if (this.readyState !== XMLHttpRequest.OPENED) {
            throw new Error("Failed to execute 'send' on 'XMLHttpRequest': The object's state must be OPENED.")
          } else {
            wx.request({
              data: data,
              url: _url.get(this),
              method: _method.get(this),
              header: _requestHeader.get(this),
              responseType: this.responseType,
              success: function success(_ref) {
                var data = _ref.data,
                    statusCode = _ref.statusCode,
                    header = _ref.header

                if (typeof data !== 'string' && !(data instanceof ArrayBuffer)) {
                  try {
                    data = JSON.stringify(data)
                  } catch (e) {
                    data = data
                  }
                }

                _this.status = statusCode
                _responseHeader.set(_this, header)
                _triggerEvent.call(_this, 'loadstart')
                _changeReadyState.call(_this, XMLHttpRequest.HEADERS_RECEIVED)
                _changeReadyState.call(_this, XMLHttpRequest.LOADING)

                _this.response = data

                if (data instanceof ArrayBuffer) {
                  _this.responseText = ''
                  var bytes = new Uint8Array(data)
                  var len = bytes.byteLength

                  for (var i = 0; i < len; i++) {
                    _this.responseText += String.fromCharCode(bytes[i])
                  }
                } else {
                  _this.responseText = data
                }
                _changeReadyState.call(_this, XMLHttpRequest.DONE)
                _triggerEvent.call(_this, 'load')
                _triggerEvent.call(_this, 'loadend')
              },
              fail: function fail(_ref2) {
                var errMsg = _ref2.errMsg

                // TODO 规范错误
                if (errMsg.indexOf('abort') !== -1) {
                  _triggerEvent.call(_this, 'abort')
                } else {
                  _triggerEvent.call(_this, 'error', errMsg)
                }
                _triggerEvent.call(_this, 'loadend')
              }
            })
          }
        }
      }, {
        key: 'setRequestHeader',
        value: function setRequestHeader(header, value) {
          var myHeader = _requestHeader.get(this)

          myHeader[header] = value
          _requestHeader.set(this, myHeader)
        }
      }])

      return XMLHttpRequest
    }()

    XMLHttpRequest.UNSEND = 0
    XMLHttpRequest.OPENED = 1
    XMLHttpRequest.HEADERS_RECEIVED = 2
    XMLHttpRequest.LOADING = 3
    XMLHttpRequest.DONE = 4
    exports.default = XMLHttpRequest

/***/ }),
/* 19 */
/***/ (function(module, exports) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor } }()

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    var _socketTask = new WeakMap()

    var WebSocket = function () {
      // TODO 更新 binaryType
      // The connection is in the process of closing.
      // The connection is not yet open.
      function WebSocket(url) {
        var _this = this

        var protocols = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : []

        _classCallCheck(this, WebSocket)

        this.binaryType = ''
        this.bufferedAmount = 0
        this.extensions = ''
        this.onclose = null
        this.onerror = null
        this.onmessage = null
        this.onopen = null
        this.protocol = ''
        this.readyState = 3

        if (typeof url !== 'string' || !/(^ws:\/\/)|(^wss:\/\/)/.test(url)) {
          throw new TypeError('Failed to construct \'WebSocket\': The URL \'' + url + '\' is invalid')
        }

        this.url = url
        this.readyState = WebSocket.CONNECTING

        var socketTask = wx.connectSocket({
          url: url,
          protocols: Array.isArray(protocols) ? protocols : [protocols]
        })

        _socketTask.set(this, socketTask)

        socketTask.onClose(function (res) {
          _this.readyState = WebSocket.CLOSED
          if (typeof _this.onclose === 'function') {
            _this.onclose(res)
          }
        })

        socketTask.onMessage(function (res) {
          if (typeof _this.onmessage === 'function') {
            _this.onmessage(res)
          }
        })

        socketTask.onOpen(function () {
          _this.readyState = WebSocket.OPEN
          if (typeof _this.onopen === 'function') {
            _this.onopen()
          }
        })

        socketTask.onError(function (res) {
          if (typeof _this.onerror === 'function') {
            _this.onerror(new Error(res.errMsg))
          }
        })

        return this
      } // TODO 小程序内目前获取不到，实际上需要根据服务器选择的 sub-protocol 返回
      // TODO 更新 bufferedAmount
      // The connection is closed or couldn't be opened.

      // The connection is open and ready to communicate.


      _createClass(WebSocket, [{
        key: 'close',
        value: function close(code, reason) {
          this.readyState = WebSocket.CLOSING
          var socketTask = _socketTask.get(this)

          socketTask.close({
            code: code,
            reason: reason
          })
        }
      }, {
        key: 'send',
        value: function send(data) {
          if (typeof data !== 'string' && !(data instanceof ArrayBuffer)) {
            throw new TypeError('Failed to send message: The data ' + data + ' is invalid')
          }

          var socketTask = _socketTask.get(this)

          socketTask.send({
            data: data
          })
        }
      }])

      return WebSocket
    }()

    WebSocket.CONNECTING = 0
    WebSocket.OPEN = 1
    WebSocket.CLOSING = 2
    WebSocket.CLOSED = 3
    exports.default = WebSocket

/***/ }),
/* 20 */
/***/ (function(module, exports) {

    "use strict"

    Object.defineProperty(exports, "__esModule", {
      value: true
    })

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function") } }

    /*
     * TODO 使用 wx.readFile 来封装 FileReader
     */
    var FileReader = function FileReader() {
      _classCallCheck(this, FileReader)
    }

    exports.default = FileReader

/***/ }),
/* 21 */
/***/ (function(module, exports) {

    "use strict"

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    var localStorage = {
      get length() {
        var _wx$getStorageInfoSyn = wx.getStorageInfoSync(),
            keys = _wx$getStorageInfoSyn.keys

        return keys.length
      },

      key: function key(n) {
        var _wx$getStorageInfoSyn2 = wx.getStorageInfoSync(),
            keys = _wx$getStorageInfoSyn2.keys

        return keys[n]
      },
      getItem: function getItem(key) {
        return wx.getStorageSync(key)
      },
      setItem: function setItem(key, value) {
        return wx.setStorageSync(key, value)
      },
      removeItem: function removeItem(key) {
        wx.removeStorageSync(key)
      },
      clear: function clear() {
        wx.clearStorageSync()
      }
    }

    exports.default = localStorage

/***/ }),
/* 22 */
/***/ (function(module, exports) {

    'use strict'

    Object.defineProperty(exports, "__esModule", {
      value: true
    })
    var location = {
      href: 'game.js',
      reload: function reload() {}
    }

    exports.default = location

/***/ })
/******/ ])