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Developer User3494｜Date and time 23/6/23 1:23:54
Build time 34.717 sec｜Game capacity 3.599KB｜

Script

寄生獣ゲーム

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Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>寄生獣ゲーム</title>
    <style>
      body {
        font-size: 20px;
        text-align: center;
      }
      #gameScreen {
        width: 320px;
        height: 480px;
        border: 1px solid black;
        margin: auto;
        background: #eee url('https://i.imgur.com/WeKUQ1z.jpg') repeat;
      }
      #score {
        font-size: 24px;
        margin-top: 10px;
      }
    </style>
  </head>
  <body>
    <h1>寄生獣ゲーム</h1>
    <div id="gameScreen">
      <img src="https://i.imgur.com/aZg8f1M.png" id="mainChar" alt="寄生獣">
      <div id="score"></div>
    </div>
    
    <script>
      // 変数定義
      let charX = 150;
      let charY = 300;
      let score = 0;
      const charWidth = 64;
      const charHeight = 64;
      
      // イベントリスナー登録
      window.addEventListener('keydown', moveChar);
      
      // キャラクター移動関数
      function moveChar(event) {
        switch(event.key) {
          case 'ArrowLeft':
            if(charX > 0) {
              charX -= 10;
              mainChar.style.left = charX + 'px';
            }
            break;
          case 'ArrowRight':
            if(charX + charWidth < 320) {
              charX += 10;
              mainChar.style.left = charX + 'px';
            }
            break;
          case 'ArrowUp':
            if(charY > 0) {
              charY -= 10;
              mainChar.style.top = charY + 'px';
            }
            break;
          case 'ArrowDown':
            if(charY + charHeight < 480) {
              charY += 10;
              mainChar.style.top = charY + 'px';
            }
            break;
        }
      }
      
      // スコア加算関数
      function addScore() {
        score += 10;
        scoreDiv.textContent = `Score: ${score}`;
      }
      
      // アイテム生成関数
      function createItem() {
        const item = document.createElement('img');
        item.setAttribute('src', 'https://i.imgur.com/LpdgiSu.png');
        item.setAttribute('alt', 'アイテム');
        item.style.width = '48px';
        item.style.height = '48px';
        item.style.position = 'absolute';
        item.style.top = `${Math.floor(Math.random() * 400) + 50}px`;
        item.style.left = `${Math.floor(Math.random() * 260) + 30}px`;
        gameScreen.appendChild(item);
        
        // アイテム移動処理
        const itemInterval = setInterval(() => {
          const itemTop = parseInt(item.style.top);
          if(itemTop > 480) {
            // アイテム消滅
            clearInterval(itemInterval);
            item.remove();
          } else if(itemTop + 48 > charY && itemTop < charY + charHeight && parseInt(item.style.left) + 48 > charX && parseInt(item.style.left) < charX + charWidth) {
            // アイテム取得
            clearInterval(itemInterval);
            item.remove();
            addScore();
          } else {
            // アイテム移動
            item.style.top = `${itemTop + 10}px`;
          }
        }, 50);
      }
      
      // アイテム生成タイマー
      const itemTimer = setInterval(createItem, 3000);
      
      // スコア表示用のdiv要素を取得
      const scoreDiv = document.getElementById('score');
      scoreDiv.textContent = `Score: ${score}`;
      
      // 背景音楽再生
      const bgm = new Audio('https://www.soundjay.com/misc/sounds/mp3/cartoon-birds-01.mp3');
      bgm.loop = true;
      bgm.play();
    </script>
  </body>
</html>