zanarmstrong/gist:b5175f84352b31cc9f9297e5a28dac3b

## gistfile1.txt

<!DOCTYPE html>
<meta charset="utf-8">
<title>2015-04-06</title>
<body>
<script src="/animations/d3.v3.min.js"></script>
<style>
html, body {
    height: 100%;
    background: #222;
    margin: 0;
}

body, #prev, #next {
    height: 100%;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    justify-content: center;

    display: -webkit-flex;
    -webkit-flex-direction: column;
    -webkit-justify-content: center;
}

#prev, #next {
    position: absolute;
    top: 0;
    color: #d1d1d1;
    font-size: 70px;
    text-decoration: none;
    padding: 20px;
}

#prev {
    left: 0;
}

#next {
    right: 0;
}

svg {
    margin: auto;
}

@font-face {
    font-family: 'FontAwesome';
    src: url('/animations/fonts/fontawesome-webfont.eot?v=4.2.0');
    src: url('/animations/fonts/fontawesome-webfont.eot?#iefix&v=4.2.0') format('embedded-opentype'), url('/animations/fonts/fontawesome-webfont.woff?v=4.2.0') format('woff'), url('/animations/fonts/fontawesome-webfont.ttf?v=4.2.0') format('truetype'), url('/animations/fonts/fontawesome-webfont.svg?v=4.2.0#fontawesomeregular') format('svg');
    font-weight: normal;
    font-style: normal;
}
.fa {
    display: inline-block;
    font: normal normal normal 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.fa-twitter:before {
    content: "\f099";
}
.fa-github:before {
    content: "\f09b";
}
.fa-th:before {
    content: "\f00a";
}

footer {
    text-align: center;
    margin-bottom: 25px;
}

a {
    color: #d1d1d1;
    text-decoration: none;
    padding: 10px;
}

</style>

<a id="prev" href="/animations/2015-04-03/">‹</a>

<script>
var width = 500,
    height = 500,
    n = 20,
    m = 20,
    r = 3,
    dr = 20,
    g = 137.5 * Math.PI / 180;

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
    .style("background", "#d1d1d1")
    .append("g");

var data = [];

for (var r = 1; r <= n; r++) {
    for (var ø = 0; ø < Math.PI * 2; ø += 2 * Math.PI / m) {
        data.push({r: r, ø: ø});
    }
}

var seeds = svg.selectAll("circle")
    .data(data)
    .enter().append("circle")
    .attr("cx", function(d) { return d.r * d.r * Math.cos(d.ø + g * d.r); })
    .attr("cy", function(d) { return d.r * d.r * Math.sin(d.ø + g * d.r); })
    .attr("fill", "#000")
    .attr("fill-opacity", 0.3);

d3.timer(function(t) {
    seeds.attr("r", function(d, i) { return 0.12 * (Math.sin(i * t / 50000) + 1) * Math.pow(d.r, 1.9); });

    svg.attr("transform", "translate(" + [width / 2, height / 2] + ")rotate(" + t / 100 % 360 + ")");
});
</script>

	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>2015-04-06</title>
	<body>
	<script src="/animations/d3.v3.min.js"></script>
	<style>
	html, body {
	height: 100%;
	background: #222;
	margin: 0;
	}

	body, #prev, #next {
	height: 100%;
	box-sizing: border-box;

	display: flex;
	flex-direction: column;
	justify-content: center;

	display: -webkit-flex;
	-webkit-flex-direction: column;
	-webkit-justify-content: center;
	}

	#prev, #next {
	position: absolute;
	top: 0;
	color: #d1d1d1;
	font-size: 70px;
	text-decoration: none;
	padding: 20px;
	}

	#prev {
	left: 0;
	}

	#next {
	right: 0;
	}

	svg {
	margin: auto;
	}

	@font-face {
	font-family: 'FontAwesome';
	src: url('/animations/fonts/fontawesome-webfont.eot?v=4.2.0');
	src: url('/animations/fonts/fontawesome-webfont.eot?#iefix&v=4.2.0') format('embedded-opentype'), url('/animations/fonts/fontawesome-webfont.woff?v=4.2.0') format('woff'), url('/animations/fonts/fontawesome-webfont.ttf?v=4.2.0') format('truetype'), url('/animations/fonts/fontawesome-webfont.svg?v=4.2.0#fontawesomeregular') format('svg');
	font-weight: normal;
	font-style: normal;
	}
	.fa {
	display: inline-block;
	font: normal normal normal 14px/1 FontAwesome;
	font-size: inherit;
	text-rendering: auto;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	}
	.fa-twitter:before {
	content: "\f099";
	}
	.fa-github:before {
	content: "\f09b";
	}
	.fa-th:before {
	content: "\f00a";
	}

	footer {
	text-align: center;
	margin-bottom: 25px;
	}

	a {
	color: #d1d1d1;
	text-decoration: none;
	padding: 10px;
	}

	</style>

	<a id="prev" href="/animations/2015-04-03/">‹</a>

	<script>
	var width = 500,
	height = 500,
	n = 20,
	m = 20,
	r = 3,
	dr = 20,
	g = 137.5 * Math.PI / 180;

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height)
	.style("background", "#d1d1d1")
	.append("g");

	var data = [];

	for (var r = 1; r <= n; r++) {
	for (var ø = 0; ø < Math.PI * 2; ø += 2 * Math.PI / m) {
	data.push({r: r, ø: ø});
	}
	}

	var seeds = svg.selectAll("circle")
	.data(data)
	.enter().append("circle")
	.attr("cx", function(d) { return d.r * d.r * Math.cos(d.ø + g * d.r); })
	.attr("cy", function(d) { return d.r * d.r * Math.sin(d.ø + g * d.r); })
	.attr("fill", "#000")
	.attr("fill-opacity", 0.3);

	d3.timer(function(t) {
	seeds.attr("r", function(d, i) { return 0.12 * (Math.sin(i * t / 50000) + 1) * Math.pow(d.r, 1.9); });

	svg.attr("transform", "translate(" + [width / 2, height / 2] + ")rotate(" + t / 100 % 360 + ")");
	});
	</script>