<!doctype html>
<html lang="en-us">
    <head>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <meta charset="utf-8">
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>Emscripten-Generated Code</title>
        <style>
html,body {	width: 100%; height: 100%; }
body { font-family: arial; margin: 0; padding: 0; background: #000; }

.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
div.emscripten_border { border: none; }

/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten { border: 0px none; background-color: black; }
        </style>
    </head>
    <body>
        <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
        <script type='text/javascript'>
var Module = {
    preRun: [],
    postRun: [],
    canvas: (function() {
        var canvas = document.getElementById('canvas');

        // As a default initial behavior, pop up an alert when webgl context is lost. To make your
        // application robust, you may want to override this behavior before shipping!
        // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
        canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);

        return canvas;
    })(),
};
        </script>
        <script async type="text/javascript" src="_REPLACEME_"></script>
        <script type="text/javascript">
Module.canvas.addEventListener("resize", (e) => {

    var viewWidth = e.detail.width;
    var viewHeight = e.detail.width / Module._olc_WindowAspectRatio;

    if(viewHeight > e.detail.height)
    {
        viewHeight = e.detail.height;
        viewWidth = e.detail.height * Module._olc_WindowAspectRatio;
    }

    // update dom attributes
    Module.canvas.setAttribute("width", viewWidth);
    Module.canvas.setAttribute("height", viewHeight);

    var top = (e.detail.height - viewHeight) / 2;
    var left = (e.detail.width - viewWidth) / 2;

    // update styles
    Module.canvas.style.position = "fixed";
    Module.canvas.style.top = top.toString() + "px";
    Module.canvas.style.left = left.toString() + "px";
    Module.canvas.style.width = "";
    Module.canvas.style.height = "";

    // trigger PGE update
    Module._olc_PGE_UpdateWindowSize(viewWidth, viewHeight);

    // ensure canvas has focus
    Module.canvas.focus();
    e.preventDefault();
});
</script>

    </body>
</html>