web assembly + trunk
This commit is contained in:
parent
ec89736b73
commit
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2
.gitignore
vendored
2
.gitignore
vendored
@ -18,3 +18,5 @@ Cargo.lock
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# MSVC Windows builds of rustc generate these, which store debugging information
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# MSVC Windows builds of rustc generate these, which store debugging information
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*.pdb
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*.pdb
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# trunk output folder
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dist
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42
Cargo.toml
42
Cargo.toml
@ -1,10 +1,42 @@
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[package]
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[package]
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name = "egui-circles"
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name = "egui-circles"
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version = "0.1.0"
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version = "0.2.0"
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authors = ["Andriy Djmil <andriy@djmil.dev>"]
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edition = "2021"
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edition = "2021"
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rust-version = "1.56"
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rust-version = "1.76"
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[package.metadata.docs.rs]
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all-features = true
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targets = ["x86_64-unknown-linux-gnu", "wasm32-unknown-unknown"]
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[dependencies]
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[dependencies]
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eframe = "0.24.0" # Gives us egui, epi and web+native backends
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egui = "0.28"
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emath = "0.24.0"
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eframe = { version = "0.28", default-features = false, features = [
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rand = "0.8"
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# "accesskit", # Make egui compatible with screen readers. NOTE: adds a lot of dependencies.
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"default_fonts", # Embed the default egui fonts.
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"glow", # Use the glow rendering backend. Alternative: "wgpu".
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# "persistence", # Enable restoring app state when restarting the app.
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] }
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log = "0.4"
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emath = "0.28.0"
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rand = "0.8"
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getrandom = { version = "0.2", features = ["js"] }
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# native:
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[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
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env_logger = "0.10"
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# web:
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[target.'cfg(target_arch = "wasm32")'.dependencies]
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wasm-bindgen-futures = "0.4"
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# to access the DOM (to hide the loading text)
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[target.'cfg(target_arch = "wasm32")'.dependencies.web-sys]
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version = "0.3.4"
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[profile.release]
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opt-level = 2 # fast and small wasm
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# Optimize all dependencies even in debug builds:
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[profile.dev.package."*"]
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opt-level = 2
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25
assets/sw.js
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25
assets/sw.js
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@ -0,0 +1,25 @@
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var cacheName = 'egui-template-pwa';
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var filesToCache = [
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'./',
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'./index.html',
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'./eframe_template.js',
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'./eframe_template_bg.wasm',
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];
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/* Start the service worker and cache all of the app's content */
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self.addEventListener('install', function (e) {
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e.waitUntil(
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caches.open(cacheName).then(function (cache) {
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return cache.addAll(filesToCache);
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})
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);
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});
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/* Serve cached content when offline */
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self.addEventListener('fetch', function (e) {
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e.respondWith(
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caches.match(e.request).then(function (response) {
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return response || fetch(e.request);
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})
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);
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});
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140
index.html
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140
index.html
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@ -0,0 +1,140 @@
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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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<head>
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<!-- change this to your project name -->
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<title>eframe template</title>
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<!-- config for our rust wasm binary. go to https://trunkrs.dev/assets/#rust for more customization -->
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<link data-trunk rel="rust" data-wasm-opt="2" />
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<!-- this is the base url relative to which other urls will be constructed. trunk will insert this from the public-url option -->
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<base data-trunk-public-url />
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<link data-trunk rel="icon" href="assets/favicon.ico">
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<link data-trunk rel="copy-file" href="assets/sw.js" />
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<link data-trunk rel="copy-file" href="assets/manifest.json" />
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<link data-trunk rel="copy-file" href="assets/icon-1024.png" />
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<link data-trunk rel="copy-file" href="assets/icon-256.png" />
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<link data-trunk rel="copy-file" href="assets/icon_ios_touch_192.png" />
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<link data-trunk rel="copy-file" href="assets/maskable_icon_x512.png" />
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<link rel="manifest" href="manifest.json">
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<link rel="apple-touch-icon" href="icon_ios_touch_192.png">
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<meta name="theme-color" media="(prefers-color-scheme: light)" content="white">
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<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#404040">
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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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/* Light 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: #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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height: 100%;
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width: 100%;
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}
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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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.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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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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}
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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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</style>
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</head>
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<body>
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<!-- The WASM code will resize the canvas dynamically -->
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<!-- the id is hardcoded in main.rs . so, make sure both match. -->
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<canvas id="the_canvas_id" width="800" height="600"></canvas>
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<!--Register Service Worker. this will cache the wasm / js scripts for offline use (for PWA functionality). -->
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<!-- Force refresh (Ctrl + F5) to load the latest files instead of cached files -->
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<script>
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// We disable caching during development so that we always view the latest version.
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if ('serviceWorker' in navigator && window.location.hash !== "#dev") {
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window.addEventListener('load', function () {
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navigator.serviceWorker.register('sw.js');
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});
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}
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</script>
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</body>
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</html>
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<!-- Powered by egui: https://github.com/emilk/egui/ -->
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15
src/app.rs
15
src/app.rs
@ -1,8 +1,12 @@
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use emath::Vec2;
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extern crate emath;
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use eframe::egui;
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extern crate rand;
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use egui::Color32;
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extern crate eframe;
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use egui::Stroke;
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use rand::Rng;
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use self::emath::Vec2;
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use self::eframe::egui;
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use self::egui::Color32;
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use self::egui::Stroke;
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use self::rand::Rng;
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use crate::circle::Circle;
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use crate::circle::Circle;
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@ -39,7 +43,6 @@ impl eframe::App for Simulation {
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y: rand::thread_rng().gen_range(-2.0..2.0)});
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y: rand::thread_rng().gen_range(-2.0..2.0)});
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};
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};
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ui.add(egui::Slider::new(&mut self.circles_count, 0..=25).text("circles count"));
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ui.add(egui::Slider::new(&mut self.circles_count, 0..=25).text("circles count"));
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let diff = (self.circles.len() as i32) - (self.circles_count as i32);
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let diff = (self.circles.len() as i32) - (self.circles_count as i32);
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use emath::Vec2;
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extern crate emath;
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use emath::Pos2;
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extern crate rand;
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use emath::Rect;
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use rand::Rng;
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use self::emath::Vec2;
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use self::emath::Pos2;
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use self::emath::Rect;
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use self::rand::Rng;
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pub static FRICTION: f32 = 0.995;
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pub static FRICTION: f32 = 0.995;
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42
src/main.rs
42
src/main.rs
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mod app;
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mod app;
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mod circle;
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mod circle;
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// When compiling natively:
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#[cfg(not(target_arch = "wasm32"))]
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fn main() -> eframe::Result<()> {
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fn main() -> eframe::Result<()> {
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//env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
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//env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
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@ -19,6 +21,44 @@ fn main() -> eframe::Result<()> {
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eframe::run_native(
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eframe::run_native(
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"egui-circles",
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"egui-circles",
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native_options,
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native_options,
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Box::new(|_| Box::<crate::app::Simulation>::default()),
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Box::new(|_| Ok(Box::<crate::app::Simulation>::default())),
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)
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)
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}
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}
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// When compiling to web using trunk:
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#[cfg(target_arch = "wasm32")]
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fn main() {
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// Redirect `log` message to `console.log` and friends:
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eframe::WebLogger::init(log::LevelFilter::Debug).ok();
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let web_options = eframe::WebOptions::default();
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wasm_bindgen_futures::spawn_local(async {
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let start_result = eframe::WebRunner::new()
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.start(
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"the_canvas_id",
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web_options,
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//Box::new(|cc| Ok(Box::new(eframe_template::TemplateApp::new(cc)))),
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Box::new(|_| Ok(Box::<crate::app::Simulation>::default())),
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)
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.await;
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// Remove the loading text and spinner:
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let loading_text = web_sys::window()
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.and_then(|w| w.document())
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.and_then(|d| d.get_element_by_id("loading_text"));
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if let Some(loading_text) = loading_text {
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match start_result {
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Ok(_) => {
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loading_text.remove();
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}
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Err(e) => {
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loading_text.set_inner_html(
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"<p> The app has crashed. See the developer console for details. </p>",
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);
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panic!("Failed to start eframe: {e:?}");
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}
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}
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}
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});
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}
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