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199 lines
6.5 KiB
199 lines
6.5 KiB
6 years ago
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<!DOCTYPE html>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<!-- Disable zooming: -->
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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6 years ago
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<head>
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3 years ago
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<title>egui – An immediate mode GUI written in Rust</title>
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<style>
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html {
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/* Remove touch delay: */
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touch-action: manipulation;
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}
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body {
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3 years ago
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/* Light mode background color for what is not covered by the egui canvas,
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4 years ago
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or where the egui canvas is translucent. */
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3 years ago
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background: #909090;
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}
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@media (prefers-color-scheme: dark) {
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body {
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/* Dark mode background color for what is not covered by the egui canvas,
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or where the egui canvas is translucent. */
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background: #404040;
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}
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}
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/* Allow canvas to fill entire web page: */
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html,
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body {
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overflow: hidden;
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margin: 0 !important;
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padding: 0 !important;
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2 years ago
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height: 100%;
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width: 100%;
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}
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4 years ago
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4 years ago
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/* Position canvas in center-top: */
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canvas {
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margin-right: auto;
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margin-left: auto;
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display: block;
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position: absolute;
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top: 0%;
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left: 50%;
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transform: translate(-50%, 0%);
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}
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3 years ago
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.centered {
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margin-right: auto;
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margin-left: auto;
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display: block;
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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3 years ago
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color: #f0f0f0;
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font-size: 24px;
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font-family: Ubuntu-Light, Helvetica, sans-serif;
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text-align: center;
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3 years ago
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}
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/* ---------------------------------------------- */
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/* Loading animation from https://loading.io/css/ */
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.lds-dual-ring {
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display: inline-block;
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width: 24px;
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height: 24px;
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}
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.lds-dual-ring:after {
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content: " ";
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display: block;
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width: 24px;
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height: 24px;
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margin: 0px;
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border-radius: 50%;
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border: 3px solid #fff;
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border-color: #fff transparent #fff transparent;
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animation: lds-dual-ring 1.2s linear infinite;
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}
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@keyframes lds-dual-ring {
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0% {
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transform: rotate(0deg);
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}
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100% {
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transform: rotate(360deg);
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}
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}
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6 years ago
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</style>
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6 years ago
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</head>
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<body>
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3 years ago
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<!-- The WASM code will resize the canvas dynamically -->
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4 years ago
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<canvas id="the_canvas_id"></canvas>
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3 years ago
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<div class="centered" id="center_text">
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<p style="font-size:16px">
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Loading…
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</p>
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3 years ago
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<div class="lds-dual-ring"></div>
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</div>
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4 years ago
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6 years ago
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<script>
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5 years ago
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// The `--no-modules`-generated JS from `wasm-bindgen` attempts to use
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// `WebAssembly.instantiateStreaming` to instantiate the wasm module,
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// but this doesn't work with `file://` urls. This example is frequently
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// viewed by simply opening `index.html` in a browser (with a `file://`
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// url), so it would fail if we were to call this function!
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//
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// Work around this for now by deleting the function to ensure that the
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// `no_modules.js` script doesn't have access to it. You won't need this
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// hack when deploying over HTTP.
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delete WebAssembly.instantiateStreaming;
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</script>
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6 years ago
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<!-- this is the JS generated by the `wasm-bindgen` CLI tool -->
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4 years ago
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<script src="egui_demo_app.js"></script>
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6 years ago
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6 years ago
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<script>
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4 years ago
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// We'll defer our execution until the wasm is ready to go.
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// Here we tell bindgen the path to the wasm file so it can start
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// initialization and return to us a promise when it's done.
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2 years ago
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console.debug("Loading wasm…");
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4 years ago
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wasm_bindgen("./egui_demo_app_bg.wasm")
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.then(on_wasm_loaded)
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2 years ago
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.catch(on_error);
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5 years ago
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function on_wasm_loaded() {
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2 years ago
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console.debug("Wasm loaded. Starting app…");
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3 years ago
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2 years ago
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let handle = new wasm_bindgen.WebHandle();
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2 years ago
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function check_for_panic() {
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if (handle.has_panicked()) {
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console.error("The egui app has crashed");
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// The demo app already logs the panic message and callstack, but you
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// can access them like this if you want to show them in the html:
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// console.error(`${handle.panic_message()}`);
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// console.error(`${handle.panic_callstack()}`);
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document.getElementById("the_canvas_id").remove();
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document.getElementById("center_text").innerHTML = `
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<p>
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The egui app has crashed.
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</p>
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2 years ago
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<p style="font-size:10px" align="left">
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${handle.panic_message()}
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</p>
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2 years ago
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<p style="font-size:14px">
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See the console for details.
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</p>
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<p style="font-size:14px">
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Reload the page to try again.
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</p>`;
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} else {
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let delay_ms = 1000;
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setTimeout(check_for_panic, delay_ms);
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}
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}
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3 years ago
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2 years ago
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check_for_panic();
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2 years ago
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handle.start("the_canvas_id").then(on_app_started).catch(on_error);
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}
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function on_app_started(handle) {
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// Call `handle.destroy()` to stop. Uncomment to quick result:
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// setTimeout(() => { handle.destroy(); handle.free()) }, 2000)
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console.debug("App started.");
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document.getElementById("center_text").innerHTML = '';
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3 years ago
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}
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2 years ago
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function on_error(error) {
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console.error("Failed to start: " + error);
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2 years ago
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document.getElementById("the_canvas_id").remove();
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3 years ago
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document.getElementById("center_text").innerHTML = `
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<p>
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3 years ago
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An error occurred during loading:
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3 years ago
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</p>
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<p style="font-family:Courier New">
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${error}
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</p>
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<p style="font-size:14px">
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Make sure you use a modern browser with WebGL and WASM enabled.
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</p>`;
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5 years ago
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}
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6 years ago
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</script>
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</body>
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6 years ago
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</html>
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4 years ago
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4 years ago
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<!-- Powered by egui: https://github.com/emilk/egui/ -->
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