<!doctype html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
    <input type="file"><input type="range" min=-50 max=50 value=0><br><br><img>
    <script src="../build/aurora.js"></script>
    <script>
        var player = null;
        document.querySelector("input[type=range]").oninput = function(e) {
            if(!player) return;
            
            player.pan = +e.target.value;
        }
        
        document.querySelector("input").onchan