prank/index.html at main · itslocnilla/prank · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Prank App</title>
  <style>
    html, body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
      background: black;
    }
    .floaty {
      position: absolute;
      width: 150px;
      user-select: none;
      cursor: pointer;
    }
  </style>
</head>
<body>
  <script>
    const imgSrc = "prank.png"; // replace with your image

    function spawnImage(x, y, size) {
      const img = document.createElement("img");
      img.src = imgSrc;
      img.className = "floaty";
      img.style.width = size + "px";

      document.body.appendChild(img);

      // Randomly set initial velocity (speed and direction)
      let vx = (Math.random() * 2 + 1) * (Math.random() < 0.5 ? -1 : 1);
      let vy = (Math.random() * 2 + 1) * (Math.random() < 0.5 ? -1 : 1);

      img.style.left = x + "px";
      img.style.top = y + "px";

      function move() {
        const rect = img.getBoundingClientRect();

        // **Bounce Logic:** Reverses direction (velocity) upon hitting a boundary
        if (rect.left <= 0 || rect.right >= window.innerWidth) vx = -vx;
        if (rect.top <= 0 || rect.bottom >= window.innerHeight) vy = -vy;

        // Apply movement
        img.style.left = rect.left + vx + "px";
        img.style.top = rect.top + vy + "px";

        requestAnimationFrame(move);
      }

      move();

      img.addEventListener("click", () => {
        const rect = img.getBoundingClientRect();
        const newSize = size * 0.9;

        img.remove();

        // When split, the new images inherit the current position but get NEW random directions (via the call to spawnImage)
        spawnImage(rect.left, rect.top, newSize);
        spawnImage(rect.left + 20, rect.top + 20, newSize);
      });
    }

    window.onload = () => {
      const centerX = window.innerWidth / 2;
      const centerY = window.innerHeight / 2;
      spawnImage(centerX - 75, centerY - 75, 150);
    };
  </script>
</body>
</html>