利用JavaScript實(shí)現(xiàn)網(wǎng)頁版2048小游戲

更新時(shí)間：2022年11月16日 14:24:19 作者：海擁

這篇文章主要介紹了如何利用HTML+CSS+JS編寫一個(gè)網(wǎng)頁版的2048小游戲,代碼簡單易懂對大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值，需要的朋友可以參考下

項(xiàng)目基本結(jié)構(gòu)

目錄結(jié)構(gòu)如下：

本節(jié)教程我會帶大家使用 HTML 、CSS和 JS 來制作一個(gè) 2048網(wǎng)頁版小游戲

本節(jié)示例將會實(shí)現(xiàn)如下所示的效果：

HTML源碼

使用<header></header>添加頭部2048標(biāo)題

<header>
    <div class="container">
        <h1><span>2</span><span>0</span><span>4</span><span>8</span></h1>
        <p class="inspired">by <a  rel="external nofollow"  target="_blank">海擁?</a></p>
    </div>
</header>

效果：

添加一個(gè) container 容器

<div class="container">
</div>

添加游戲的主體部分

<div class="directions">
        <p id="haiyong" class="haiyong"><strong>如何玩：</strong> 使用鍵盤方向鍵鍵移動(dòng)數(shù)字方塊。相鄰的兩個(gè)方塊數(shù)字相同，它們可合并成一個(gè)！</p>
    </div>
    <div class="scores">
        <div class="score-container best-score">
            歷史最佳:
            <div class="score">
                <div id="bestScore">0</div>
            </div>
        </div>
        <div class="score-container">
            分?jǐn)?shù):
            <div class="score">
                <div id="score">0</div>
                <div class="add" id="add"></div>
            </div>
        </div>
    </div>
    <div class="game">
        <div id="tile-container" class="tile-container"></div>
        <div class="end" id="end">游戲結(jié)束<div class="monkey">??</div><button class="btn not-recommended__item js-restart-btn"
             id="try-again">再試一次</button></div>
    </div>

效果：

重新啟動(dòng)游戲

<div class="not-recommended">
        <button class="btn not-recommended__item js-restart-btn" id="restart">重新啟動(dòng)游戲</button>
        <span class="not-recommended__annotation"></span>
    </div>

底部導(dǎo)航欄

<footer>
  <span class="author">Created by <a  rel="external nofollow" >Haiyong</a></span>        
  <span class="center">2048</span>        
  <span class="opposite">更多游戲:<a  rel="external nofollow" >摸魚</a></span>
</footer>

效果：

CSS 源碼

header 部分

header {
    color: #F8FFE5;
    text-align: center;
}

header span {
    display: inline-block;
    box-sizing: border-box;
    width: 4rem;
    height: 4rem;
    line-height: 4rem;
    margin: 0 0.4rem;
    background: #FFC43D;
}

媒體查詢：

@media screen and (max-width:440px) {
  header span {
      width: 3rem;
      height: 3rem;
      line-height: 3rem;
  }
}
@media screen and (max-width:375px) {
  header span {
      width: 2.5rem;
      height: 2.5rem;
      line-height: 2.5rem;
  }
}

container 容器

.container {
    margin: 0 auto;
    padding-bottom: 3.5rem;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    width: 100%;
    max-width: 550px;
    text-align: center;
}

header .container {
    padding: 0;
    padding: 2rem 4rem;
    max-width: 900px;
}
@media screen and (max-width:440px) {
    header .container {
        padding: 1rem 2rem;
    }
}

底部導(dǎo)航欄

footer {
  background-color: #158ca5;
  bottom: 0;
  box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 0.5);
  color: white;
  display: flex;
  justify-content: space-around;
  left: 0;
  padding: 15px;
  position: fixed;
  right: 0;
}
footer a {
  color: white;
}
footer .center {
  justify-content: center;
}

JS 源碼

js 代碼較多，這里提供部分

function handleKeypress(evt) {
  var modifiers = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
  var whichKey = event.which;

  var prevGame = [].concat(game);

  if (!modifiers) {
    event.preventDefault();
    switch (whichKey) {
      case 37:
        game = shiftGameLeft(game);
        break;
      case 38:
        game = shiftGameUp(game);
        break;
      case 39:
        game = shiftGameRight(game);
        break;
      case 40:
        game = shiftGameDown(game);
        break;
    }
    game = game.map(function (tile, index) {
      if (tile) {
        return _extends({}, tile, {
          index: index
        });
      } else {
        return null;
      }
    });
    addRandomNumber();
    updateDOM(prevGame, game);
    if (gameOver()) {
      setTimeout(function () {
        endDiv.classList.add('active');
      }, 800);
      return;
    }
  }
}

function newGameStart() {
  document.getElementById('tile-container').innerHTML = '';
  endDiv.classList.remove('active');
  score = 0;
  scoreDiv.innerHTML = score;
  initGame();
  drawBackground();
  var previousGame = [].concat(game);
  addRandomNumber();
  addRandomNumber();
  updateDOM(previousGame, game);
}

newGameStart();

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