context2d/index.html at main · meinstein/context2d · 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>add title here</title>
    <style>
      body {
        margin: 0;
        padding: 0;
        background-color: #fb0813;
        height: 100dvh;
      }

      #root {
        height: 100%;
      }
    </style>
  </head>

  <body>
    <div id="root"></div>
    <script type="module">
      import { Context2D } from './index.js';

      const draw = ({ ctx, w, h, oscillate, memoize }) => {
        // draw circle in the center of the screen
        ctx.beginPath()

        const ox = oscillate({
          from: -100,
          to: 100,
          speed: 2,
        })

        const oy = oscillate({
          from: -100,
          to: 100,
          speed: 1,
        })

        // draw a circle
        ctx.arc(w / 2 + ox, h / 2 - oy, 100, 0, Math.PI * 2, false)

        // fill the circle with a color
        ctx.fillStyle = 'white'
        ctx.fill()


      }

      const context2d = new Context2D({
        rootElement: 'root',
      })

      context2d.draw(draw)
    </script>
  </body>

</html>