This commit is contained in:
Piotr Siuszko 2025-05-07 08:47:56 +00:00
commit 600b7e7c3b
6 changed files with 2389 additions and 0 deletions

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index.html Normal file
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<!doctype html>
<html lang="en">
<head>
<title>Scroll view</title>
<style>
html,
body {
text-align: center;
margin: auto 0;
background-color: #292F36;
}
canvas {
filter: drop-shadow(#04b5cd 0 0 10px);
}
</style>
</head>
<body>
<script type="module">
import './restart-audio-context.js'
import init from './simple.js'
init().catch((error) => {
if (!error.message.startsWith("Using exceptions for control flow, don't mind me. This isn't actually an error!")) {
throw error;
}
});
</script>
</body>
</html>

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restart-audio-context.js Normal file
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// taken from https://developer.chrome.com/blog/web-audio-autoplay/#moving-forward
(function () {
// An array of all contexts to resume on the page
const audioContextList = [];
// An array of various user interaction events we should listen for
const userInputEventNames = [
'click',
'contextmenu',
'auxclick',
'dblclick',
'mousedown',
'mouseup',
'pointerup',
'touchend',
'keydown',
'keyup',
];
// A proxy object to intercept AudioContexts and
// add them to the array for tracking and resuming later
self.AudioContext = new Proxy(self.AudioContext, {
construct(target, args) {
const result = new target(...args);
audioContextList.push(result);
return result;
},
});
// To resume all AudioContexts being tracked
function resumeAllContexts(event) {
let count = 0;
audioContextList.forEach(context => {
if (context.state !== 'running') {
context.resume();
} else {
count++;
}
});
// If all the AudioContexts have now resumed then we
// unbind all the event listeners from the page to prevent
// unnecessary resume attempts
if (count == audioContextList.length) {
userInputEventNames.forEach(eventName => {
document.removeEventListener(eventName, resumeAllContexts);
});
}
}
// We bind the resume function for each user interaction
// event on the page
userInputEventNames.forEach(eventName => {
document.addEventListener(eventName, resumeAllContexts);
});
})();

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/* tslint:disable */
/* eslint-disable */
export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
export interface InitOutput {
readonly memory: WebAssembly.Memory;
readonly main: (a: number, b: number) => number;
readonly __externref_table_alloc: () => number;
readonly __wbindgen_export_1: WebAssembly.Table;
readonly __wbindgen_exn_store: (a: number) => void;
readonly __wbindgen_malloc: (a: number, b: number) => number;
readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
readonly __wbindgen_free: (a: number, b: number, c: number) => void;
readonly __wbindgen_export_6: WebAssembly.Table;
readonly _dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h1c21a3a0f3153cd3: (a: number, b: number, c: number) => void;
readonly closure5035_externref_shim: (a: number, b: number, c: any) => void;
readonly _dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__he95ed6491b3eede5: (a: number, b: number) => void;
readonly closure5040_externref_shim: (a: number, b: number, c: any, d: any) => void;
readonly _dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__hb9c6ea294dc2c419: (a: number, b: number) => void;
readonly closure118797_externref_shim: (a: number, b: number, c: any) => void;
readonly __wbindgen_start: () => void;
}
export type SyncInitInput = BufferSource | WebAssembly.Module;
/**
* Instantiates the given `module`, which can either be bytes or
* a precompiled `WebAssembly.Module`.
*
* @param {{ module: SyncInitInput }} module - Passing `SyncInitInput` directly is deprecated.
*
* @returns {InitOutput}
*/
export function initSync(module: { module: SyncInitInput } | SyncInitInput): InitOutput;
/**
* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
* for everything else, calls `WebAssembly.instantiate` directly.
*
* @param {{ module_or_path: InitInput | Promise<InitInput> }} module_or_path - Passing `InitInput` directly is deprecated.
*
* @returns {Promise<InitOutput>}
*/
export default function __wbg_init (module_or_path?: { module_or_path: InitInput | Promise<InitInput> } | InitInput | Promise<InitInput>): Promise<InitOutput>;

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/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export const main: (a: number, b: number) => number;
export const __externref_table_alloc: () => number;
export const __wbindgen_export_1: WebAssembly.Table;
export const __wbindgen_exn_store: (a: number) => void;
export const __wbindgen_malloc: (a: number, b: number) => number;
export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
export const __wbindgen_free: (a: number, b: number, c: number) => void;
export const __wbindgen_export_6: WebAssembly.Table;
export const _dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h1c21a3a0f3153cd3: (a: number, b: number, c: number) => void;
export const closure5035_externref_shim: (a: number, b: number, c: any) => void;
export const _dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__he95ed6491b3eede5: (a: number, b: number) => void;
export const closure5040_externref_shim: (a: number, b: number, c: any, d: any) => void;
export const _dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__hb9c6ea294dc2c419: (a: number, b: number) => void;
export const closure118797_externref_shim: (a: number, b: number, c: any) => void;
export const __wbindgen_start: () => void;