黑客风 

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>hk</title>
</head>
<style>
  *{
    padding: 0;
    margin: 0;
  }
</style>
<body>
<canvas id='d1' height="1080" width="1920"></canvas>
<script>
  var canvas = document.getElementById('d1');
  var ctx = canvas.getContext('2d');
  canvas.height = window.innerHeight;
  canvas.width = window.innerWidth;
  var texts = '0123456789abcdefghigklmnopqistuvwxyz'.split('');
  var fontSize = 16;
  var columns = canvas.width / fontSize;
  var drops = [];
  for (var x = 0; x < columns; x++) {
    drops[x] = 1;
  }

  function draw() {
    ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
    ctx.fillRect(0, 0, canvas.width, canvas.height);
    ctx.fillStyle = '#0F0';
    ctx.font = fontSize + 'px arial';
    for (var i = 0; i < drops.length; i++) {
      var text = texts[Math.floor(Math.random() * texts.length)];
      ctx.fillText(text, i * fontSize, drops[i] * fontSize);
      if (drops[i] * fontSize > canvas.height || Math.random() > 0.95) {
        drops[i] = 0;
      }
      drops[i]++;
    }
  }

  setInterval(draw, 60);
</script>
</body>
</html>
posted @ 2022-08-13 11:53  真的想不出来  阅读(63)  评论(0)    收藏  举报