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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<title>Simple Sidebar - Start Bootstrap Template</title>
<!-- Bootstrap Core CSS -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="css/simple-sidebar.css" rel="stylesheet">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div id="wrapper">
<!-- Sidebar -->
<div id="sidebar-wrapper">
<ul class="sidebar-nav">
<li class="sidebar-brand">
<a href="#">
Start Bootstrap
</a>
</li>
<li>
<a href="#">Dashboard</a>
</li>
<li>
<a href="#">Shortcuts</a>
</li>
<li>
<a href="#">Overview</a>
</li>
<li>
<a href="#">Events</a>
</li>
<li>
<a href="#">About</a>
</li>
<li>
<a href="#">Services</a>
</li>
<li>
<a href="#">Contact</a>
</li>
</ul>
</div>
<!-- /#sidebar-wrapper -->
<!-- Page Content -->
<div id="page-content-wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-lg-12">
<h1>Simple Sidebar</h1>
<a href="#menu-toggle" class="btn btn-default" id="menu-toggle">Toggle Sidebar</a>
<div id="d3-container">
<canvas width="500" height="500"></canvas>
</div>
</div>
</div>
</div>
</div>
<!-- /#page-content-wrapper -->
</div>
<!-- /#wrapper -->
<!-- jQuery -->
<script src="js/jquery.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="js/bootstrap.min.js"></script>
<!-- D3 -->
<script src="js/d3.min.js"></script>
<!-- Menu Toggle Script -->
<script>
$("#menu-toggle").click(function(e) {
e.preventDefault();
$("#wrapper").toggleClass("toggled");
});
</script>
<script>
/* https://github.com/d3/d3-timer Copyright 2015 Mike Bostock */
"undefined"==typeof requestAnimationFrame&&(requestAnimationFrame="undefined"!=typeof window&&(window.msRequestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.oRequestAnimationFrame)||function(e){return setTimeout(e,17)}),function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(e.timer={})}(this,function(e){"use strict";function n(){r=m=0,c=1/0,t(u())}function t(e){if(!r){var t=e-Date.now();t>24?c>e&&(m&&clearTimeout(m),m=setTimeout(n,t),c=e):(m&&(m=clearTimeout(m),c=1/0),r=requestAnimationFrame(n))}}function i(e,n,i){i=null==i?Date.now():+i,null!=n&&(i+=+n);var o={callback:e,time:i,flush:!1,next:null};a?a.next=o:f=o,a=o,t(i)}function o(e,n,t){t=null==t?Date.now():+t,null!=n&&(t+=+n),l.callback=e,l.time=t}function u(e){e=null==e?Date.now():+e;var n=l;for(l=f;l;)e>=l.time&&(l.flush=l.callback(e-l.time,e)),l=l.next;l=n,e=1/0;for(var t,i=f;i;)i.flush?i=t?t.next=i.next:f=i.next:(i.time<e&&(e=i.time),i=(t=i).next);return a=t,e}var a,m,r,f,l,c=1/0;e.timer=i,e.timerReplace=o,e.timerFlush=u});
var canvas = document.querySelector("canvas"),
context = canvas.getContext("2d"),
width = canvas.width,
height = canvas.height,
radius = 2.5,
minDistance = 40,
maxDistance = 60,
minDistance2 = minDistance * minDistance,
maxDistance2 = maxDistance * maxDistance;
var tau = 2 * Math.PI,
n = 200,
particles = new Array(n);
for (var i = 0; i < n; ++i) {
particles[i] = {
x: Math.random() * width,
y: Math.random() * height,
vx: 0,
vy: 0
};
}
timer.timer(function(elapsed) {
context.save();
context.clearRect(0, 0, width, height);
for (var i = 0; i < n; ++i) {
var p = particles[i];
p.x += p.vx; if (p.x < -maxDistance) p.x += width + maxDistance * 2; else if (p.x > width + maxDistance) p.x -= width + maxDistance * 2;
p.y += p.vy; if (p.y < -maxDistance) p.y += height + maxDistance * 2; else if (p.y > height + maxDistance) p.y -= height + maxDistance * 2;
p.vx += 0.2 * (Math.random() - .5) - 0.01 * p.vx;
p.vy += 0.2 * (Math.random() - .5) - 0.01 * p.vy;
context.beginPath();
context.arc(p.x, p.y, radius, 0, tau);
context.fill();
}
for (var i = 0; i < n; ++i) {
for (var j = i + 1; j < n; ++j) {
var pi = particles[i],
pj = particles[j],
dx = pi.x - pj.x,
dy = pi.y - pj.y,
d2 = dx * dx + dy * dy;
if (d2 < maxDistance2) {
context.globalAlpha = d2 > minDistance2 ? (maxDistance2 - d2) / (maxDistance2 - minDistance2) : 1;
context.beginPath();
context.moveTo(pi.x, pi.y);
context.lineTo(pj.x, pj.y);
context.stroke();
}
}
}
context.restore();
});
</script>
</body>
</html>