circuslinux/sdl2_template.html at master · ICTylor/circuslinux · GitHub

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<!doctype html>
<html lang="en-us">
<head>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>Emscripten-Generated Code</title>
    <style>
        body { background-color: antiquewhite; }
        .emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
        div.emscripten { text-align: center; }
        /* 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()" width="640" height="480" tabindex=-1></canvas>
<script type='text/javascript'>
    var Module = {
        print: (function() {
            return (...args) => {
                var text = args.join(' ');
                console.log(text);
            };
        })(),
        canvas: (() => {
            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", (e) => { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);

            return canvas;
        })(),
        setStatus: (text) => {
            if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
            if (text === Module.setStatus.last.text) return;
            var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
            var now = Date.now();
            if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
            Module.setStatus.last.time = now;
            Module.setStatus.last.text = text;
        },
        totalDependencies: 0,
        monitorRunDependencies: (left) => {
            this.totalDependencies = Math.max(this.totalDependencies, left);
            Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
        }
    };
    Module.setStatus('Downloading...');
    window.onerror = () => {
        Module.setStatus('Exception thrown, see JavaScript console');
        Module.setStatus = (text) => {
            if (text) console.error('[post-exception status] ' + text);
        };
    };
</script>
{{{ SCRIPT }}}
</body>
</html>