webgl-crt-shader/index.html at main · gingerbeardman/webgl-crt-shader · 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, maximum-scale=1.0, user-scalable=no">
  <title>WebGL CRT Shader</title>
  <style>
    :root { color-scheme: dark; }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      background: radial-gradient(circle at 20% 20%, #0b1222, #04070f 55%);
      font-family: 'Space Mono', 'SFMono-Regular', Menlo, Consolas, monospace;
      color: #e2e8f0;
      overflow: hidden;
    }
    #root {
      position: fixed;
      inset: 0;
    }
    #crt-canvas {
      width: 100%;
      height: 100%;
      display: block;
    }
    #legend {
      position: fixed;
      top: 14px;
      left: 14px;
      padding: 10px 12px;
      background: rgba(6, 9, 18, 0.72);
      border: 1px solid rgba(148, 163, 184, 0.22);
      border-radius: 10px;
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      pointer-events: none;
      line-height: 1.35;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    }
    #legend strong {
      letter-spacing: 0.08em;
      font-size: 12px;
      color: #cbd5e1;
    }
    #legend span {
      display: block;
      margin-top: 6px;
      color: #94a3b8;
      font-size: 13px;
    }
  </style>
</head>
<body>
  <div id="root">
    <canvas id="crt-canvas"></canvas>
  </div>
  <div id="legend">
    <strong>WebGL CRT Shader</strong>
    <span>GIF + shapes are composited on a 2D canvas,<br>then go through the CRT shader pass.</span>
  </div>
  <script type="module" src="./crt-webgl.js"></script>
</body>
</html>