maxwellbo.github.io/cccbd2.html at master · MaxwellBo/maxwellbo.github.io · 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>Document</title>
</head>
<body>
          <script type="module">
          import { run, pick, red, white, normalize } from "./js/play/frontend.mjs"
          import * as sort from "./js/play/sort.mjs"

          const result = run({
            program: {
              boot(context, buffer, data) {
                data.charset = sort.sort(
                  "○◌◍◎●◐◑◒◓◔◕◖◗◘◙◚◛◜◝◞◟◠◡◴◵◶◷◯◦",
                  context.metrics.fontFamily,
        /*ascending=*/ true
                );
              },
              main(coord, context, cursor, buffer, data) {
                const { x, y } = coord;
                const { t, i, ...n } = normalize({ coord, context });

                const value = (1 / 32) * Math.tan((t / 64) * x * Math.tan(i - x));
                const char = pick({ value, from: data.charset });
                return value > 0 ? red(char) : white(char);
              }
            },
            settings: {
              fps: 60,
              once: false,
              rows: 16,
              fontSize: "16px",
              backgroundColor: "black"
            }
          })

          document.getElementById("cccbd-preview").appendChild(result);

        </script>

        <div id="cccbd-preview" >
        </div>

</body>

</html>