Animation 3D d'une boîte à mouches

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HTML

<!DOCTYPE html>
<html lang="tr">
<head>
  <meta charset="UTF-8">
  <title>3B Uçan Kutu</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

body, html {
      width: 100%;
      height: 100%;
      overflow: hidden;
      background: linear-gradient(to top, #dbeafe, #f0f8ff);
      font-family: sans-serif;
    }

.game-area {
      width: 100%;
      height: 100%;
      perspective: 1000px;
      position: relative;
      overflow: hidden;
    }

.flying-box {
      width: 50px;
      height: 50px;
      background: linear-gradient(45deg, #ff6347, #ff4500);
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.2);
      animation: fly3D 4s linear forwards;
    }

@keyframes fly3D {
      0% {
        transform: translate3d(-50%, 0, 0) rotateX(0deg);
        opacity: 1;
      }
      70% {
        transform: translate3d(-50%, -60vh, -300px) rotateX(180deg);
        opacity: 1;
      }
      100% {
        transform: translate3d(-50%, -120vh, -600px) rotateX(360deg);
        opacity: 0;
      }
    }
  </style>
</head>
<body>

function createFlyingBox() {
    const box = document.createElement('div');
    box.classList.add('flying-box');

// Rastgele yatay konum (kutu merkezden farklı yerden başlasın)
    const left = Math.random() * (window.innerWidth - 100);
    box.style.left = `${left}px`;

gameArea.appendChild(box);

// 4 saniye sonra DOM'dan kaldır
    setTimeout(() => {
      box.remove();
    }, 4000);
  }

// Sürekli kutu oluştur
  setInterval(() => {
    createFlyingBox();
  }, 1200); // Her 1.2 saniyede bir

// Başlangıçta birkaç kutu
  for (let i = 0; i < 3; i++) {
    setTimeout(createFlyingBox, i * 800);
  }
</script>

</body>
</html>

CSS