index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bevy L-System</title>
    <style>
        html,
        body {
            margin: 0;
            overflow: hidden;
        }

        canvas {
            margin: 0;
            width: 100vw;
            height: 100vh;
        }
    </style>
    <script>
        (function () {
            window.addEventListener("contextmenu", (e) => { e.preventDefault(); });
            window.addEventListener("mousedown", (e) => { if (e.button == 1) { e.preventDefault(); } });
        })();
    </script>
</head>


<body>
    <script type="module">
        import init from './planty.js'
        init()
    </script>
</body>

</html>