rooms/shell.html at main · upf-gti/rooms · 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>Rooms</title>
</head>

<body>
    <button id="xr-button" style="z-index:10;position:absolute;top:2%;left:2%" disabled>WebXR or WebGPU not supported</button>
    <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1
        style="position:fixed;height:100%;width:100%;top:0%;left:0%;resize:both;"></canvas>
    <template id="main-script">
        {{{ SCRIPT }}}
    </template>
    <script type='text/javascript'>

        var Module = {
            preRun: [],
            postRun: [],
            canvas: (function () {
                var canvas = document.getElementById('canvas');

                // Event handler to resize the canvas when the document view is changed
                window.addEventListener('resize', () => {
                    canvas.clientWidth = window.innerWidth;
                    canvas.clientHeight = window.innerHeight;
                    canvas.width = window.innerWidth;
                    canvas.height = window.innerHeight;
                }, false);

                return canvas;
            })(),
            totalDependencies: 0
        };

        async function onEnginePreInitialized() {

            await Promise.resolve( Module.Engine.getInstance() ).then( result => {

                if ( !result ) {
                    console.error( "Module Instance is null" );
                }

                window.engineInstance = result;

            } ).catch( error => {
                console.log( error );
            });

            Promise.resolve( window.engineInstance.setWasmModuleInitialized(true) ).then().catch( error => {
                console.log( error );
            });
        }

        function onEngineInitialized() {
            var script = document.createElement('script');
            script.type = 'module';
            script.src = "./script.js";
            script.async = false;
            document.getElementsByTagName('head')[0].appendChild(script);
        }

        (async () => {
            // Custom for WebGPU
            if (!navigator.gpu) {
                console.error("Sorry, WebGPU is not supported by your browser.");
                const msg = document.createElement("div");
                Object.assign(msg.style, {
                    width: "50%",
                    fontSize: "36px",
                    fontWeight: "500",
                    textAlign: "center",
                    margin: "0 auto",
                    marginTop: "25%"
                });
                msg.innerText = "Sorry, WebGPU is not supported by your browser.";
                document.body.appendChild(msg);
                return;
            } else {
                const jsTemplate = document.getElementById("main-script");
                const js = jsTemplate.content.cloneNode(true);
                document.body.appendChild(js);
            }
        })();
    </script>
</body>

</html>