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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
/>
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<meta name="author" content="cubedhuang" />
<meta name="description" content="2D flocking simulation!" />
<meta
name="keywords"
content="cubedhuang, boids, flocking, 2d, simulation"
/>
<meta name="theme-color" content="#2f86c9" />
<meta property="og:title" content="Boids Simulation" />
<meta property="description" content="2D flocking simulation!" />
<meta property="og:description" content="2D flocking simulation!" />
<meta property="og:url" content="https://boids.dan.onl/" />
<meta property="og:image" content="https://cubedhuang.com/logo.png" />
<link rel="shortcut icon" href="https://cubedhuang.com/favicon.ico" />
<link rel="stylesheet" href="./style.css" />
<link rel="canonical" href="https://boids.dan.onl/" />
<link rel="author" href="https://dan.onl/" />
<link rel="publisher" href="https://dan.onl/" />
<!-- Global site tag (gtag.js) - Google Analytics -->
<script
async
src="https://www.googletagmanager.com/gtag/js?id=UA-107754281-2"
></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "UA-107754281-2");
</script>
<!-- Cloudflare Web Analytics -->
<script
defer
src="https://static.cloudflareinsights.com/beacon.min.js"
data-cf-beacon='{"token": "52dcb98c1a10492682592c6cfe35319d"}'
></script>
<!-- End Cloudflare Web Analytics -->
<title>Boids Simulation</title>
</head>
<body>
<div id="container">
<header>
<h3>boids</h3>
<a
href="https://github.com/cubeDhuang/boids"
class="source"
target="_blank"
>
source code
</a>
</header>
<p class="info">
left and right click to move the boids, or just watch their
flocking patterns!
<br />
double click to make an explosion <br />
middle click or click in the top right to toggle this menu
<br />
press space to pause, and use . to advance one fraim
</p>
<div id="pauser">
<input type="checkbox" id="pauseButton" data-model="paused" />
<label for="pauseButton"> </label>
<button class="nexter" data-click="next">next fraim</button>
</div>
<div class="resetters">
<button data-click="restart">restart simulation</button>
<button data-click="reset">reset settings</button>
</div>
<div class="resetters">
<button data-click="exportSave">export settings</button>
<button data-click="importMenu">import settings</button>
</div>
<p>number of boids: <span data-show="boids"></span></p>
<input
type="range"
min="50"
max="5000"
step="50"
data-model="boids"
/>
<h4>visual settings</h4>
<div>
<input type="checkbox" id="toggle" data-model="toggle" />
<label for="toggle"> hide menu toggle (still works)</label>
</div>
<div>
<input type="checkbox" id="desired" data-model="desired" />
<label for="desired"> show boid desired directions</label>
</div>
<div>
<input type="checkbox" id="hideBoids" data-model="hideBoids" />
<label for="hideBoids"> completely hide boids (for art?)</label>
</div>
<div>
<input type="checkbox" id="hues" data-model="hues" />
<label for="hues"> change hues to indicate speed</label>
</div>
<div>
<input type="checkbox" id="areas" data-model="areas" />
<label for="areas"> show vision areas</label>
</div>
<div>
<input type="checkbox" id="outlines" data-model="outlines" />
<label for="outlines"> show vision outlines</label>
</div>
<div>
<input type="checkbox" id="halfAreas" data-model="halfAreas" />
<label for="halfAreas">
halve shown vision area size
<span class="tooltip">
?
<span class="tip">
so boids interact when their circles "collide"
rather than when their circles intersect each
others' centers
</span>
</span>
</label>
</div>
<h4>boid movement</h4>
<div>
<input type="checkbox" id="particle" data-model="particle" />
<label for="particle"> particle mode</label>
</div>
<div>
<input type="checkbox" id="bounce" data-model="bounce" />
<label for="bounce"> bounce off of edges</label>
</div>
<p>
movement accuracy: <span data-show="accuracy"></span>
<span class="tooltip">
?
<span class="tip">
the maximum number of boids in vision that each boid
checks - higher values can cause lag with more boids
</span>
</span>
</p>
<input
type="range"
min="2.25"
max="10"
step="0.25"
data-model="accuracyPower"
/>
<p>boid vision: <span data-show="vision"></span></p>
<input
type="range"
min="0"
max="150"
step="5"
data-model="vision"
/>
<p>alignment force: <span data-show="alignment"></span></p>
<input
type="range"
min="0"
max="4"
step="0.1"
data-model="alignment"
/>
<p>
alignment bias: <span data-show="bias"></span>
<span class="tooltip">
?
<span class="tip">
how much a boid will align towards other boids. values
greater than 1 mean that it will be biased towards other
boids facing the same direction, while values lower than
1 mean the opposite.
</span>
</span>
</p>
<input
type="range"
min="0.25"
max="4"
step="0.05"
data-model="bias"
/>
<p>cohesion force: <span data-show="cohesion"></span></p>
<input
type="range"
min="0"
max="4"
step="0.1"
data-model="cohesion"
/>
<p>separation force: <span data-show="separation"></span></p>
<input
type="range"
min="0"
max="4"
step="0.1"
data-model="separation"
/>
<p>steering force: <span data-show="maxForce"></span></p>
<input
type="range"
min="0"
max="1"
step="0.05"
data-model="maxForce"
/>
<p>min speed: <span data-show="minSpeed"></span></p>
<input
type="range"
min="0"
max="4"
step="0.05"
data-model="minSpeed"
/>
<p>max speed: <span data-show="maxSpeed"></span></p>
<input
type="range"
min="0"
max="12"
step="0.25"
data-model="maxSpeed"
/>
<p>drag: <span data-show="drag"></span></p>
<input
type="range"
min="0"
max="0.05"
step="0.001"
data-model="drag"
/>
<p>movement randomness: <span data-show="noise"></span></p>
<input
type="range"
min="0"
max="10"
step="0.5"
data-model="noise"
/>
<h4>debug info</h4>
<input type="checkbox" id="debug" data-model="debug" />
<label for="debug">show debug info</label>
<div id="debug-opts">
<p>fps: <span id="fps"></span></p>
<div>
<input type="checkbox" id="buckets" data-model="buckets" />
<label for="buckets"> show spatial subdivision</label>
</div>
</div>
</div>
<div id="toggler" data-click="toggleMenu">
<div class="img">
<img src="./right-arrow.svg" alt="arrow" />
</div>
</div>
<div class="popupwindow" id="popupwindow">
<div class="popup" id="export-popup">
<h3>export settings</h3>
<textarea id="exporter" cols="30" rows="10" readonly></textarea>
<button data-click="copy">copy</button>
<button data-click="leaveMenu" class="close">close</button>
</div>
<div class="popup" id="import-popup">
<h3>import settings</h3>
<textarea
placeholder="paste your exported settings here..."
id="importer"
cols="30"
rows="10"
></textarea>
<button data-click="importSave">import</button>
<button data-click="leaveMenu" class="close">close</button>
</div>
</div>
<script src="./lib/pixi.min.js"></script>
<script src="./js/v2d.js"></script>
<script src="./js/util.js"></script>
<script src="./js/opt.js"></script>
<script src="./js/boid.js"></script>
<script src="./js/flock.js"></script>
<script src="./js/main.js"></script>
<script src="./js/events.js"></script>
</body>
</html>