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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Hello, Raylib!</title>
<style>
:root {
--color-dark: #181818;
--color-lite: #e7e7e7;
}
body {
/* Lite Mode */
background: var(--color-lite);
color: var(--color-dark);
/* Dark Mode */
@media (prefers-color-scheme: dark) {
background: var(--color-dark);
color: var(--color-lite);
}
}
#game {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
border: 1px solid var(--color-dark);
@media (prefers-color-scheme: dark) {
border: 1px solid var(--color-lite);
}
}
#raylib-example-select {
display: block;
max-width: 8rem;
}
.not-hosted-msg {
text-align: center;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.not-hosted-msg .important {
font-weight: bold;
}
@font-face {
font-family: grixel;
src: url(fonts/acme_7_wide_xtnd.woff);
}
</style>
<script src="raylib.js"></script>
</head>
<body>
<label for="raylib-example-select">Choose an Example:</label>
<select id="raylib-example-select" onchange="startRaylib(this.value)">
<!-- This is populated by js -->
</select>
<canvas id="game"></canvas>
<script>
const wasmPaths = {
"tsoding": ["tsoding_ball", "tsoding_snake",],
"core": ["core_basic_window", "core_basic_screen_manager", "core_input_keys", "core_input_mouse_wheel",],
"shapes": ["shapes_colors_palette"],
"text": ["text_writing_anim"],
"textures": ["textures_logo_raylib"],
}
const defaultWasm = Object.values(wasmPaths)[0][0];
const raylibExampleSelect = document.getElementById("raylib-example-select");
for (const exampleCategory in wasmPaths){
raylibExampleSelect.innerHTML += `<optgroup label="${exampleCategory}">`
for (const example of wasmPaths[exampleCategory]){
raylibExampleSelect.innerHTML += `<option>${example}</option>`
}
raylibExampleSelect.innerHTML += "</optgroup>"
}
const { protocol } = window.location;
const isHosted = protocol !== "file:";
let raylibJs = undefined;
function startRaylib(selectedWasm){
var queryParams = new URLSearchParams(window.location.search);
queryParams.set("example", selectedWasm);
history.pushState(null, null, "?"+queryParams.toString());
raylibExampleSelect.value = selectedWasm;
if (isHosted) {
if (raylibJs !== undefined) {
raylibJs.stop();
}
raylibJs = new RaylibJs();
raylibJs.start({
wasmPath: `wasm/${selectedWasm}.wasm`,
canvasId: "game",
});
} else {
window.addEventListener("load", () => {
document.body.innerHTML = `
<div class="not-hosted-msg">
<div class="important">
<p>Unfortunately, due to CORs restrictions, the wasm assembly cannot be fetched.</p>
<p>Please navigate to this location using a web server.</p>
<p>If you have Python 3 on your system you can just do:</p>
</div>
<code>$ python3 -m http.server 6969</code>
</div>
`;
});
}
}
let queryParams = new URLSearchParams(window.location.search);
const exampleParam = queryParams.get("example") ?? defaultWasm;
if (Object.values(wasmPaths).flat().includes(exampleParam)) startRaylib(exampleParam);
else startRaylib(defaultWasm);
</script>
</body>
</html>