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pstuffa/.block

Last active December 3, 2017 23:01
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Textures
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
.innerCircle {
fill: #000
}
.outerCircle {
stroke: #000;
fill: none;
}
</style>
</head>
<body align="center">
<script>
var margin = {top: 30, bottom: 30, right: 30, left: 30},
width = window.innerWidth - margin.left - margin.right,
height = window.innerHeight - margin.left - margin.right;
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var size = 12
, rowN = 20
, columN = 12
var strokeScale = d3.scaleLinear()
.domain([-1,1])
.range([size, 0]);
var radiusScale = d3.scaleLinear()
.domain([-1, 1])
.range([0, size])
var xUnit = width/(rowN),
yUnit = height/(columN);
var circleGroups = svg.selectAll(".circleGroups")
.data(d3.range(columN).map(Object))
.enter().append("g")
.attr("class", "circleGroups")
.attr("transform", function(d, i) { return "translate(0," + (i*yUnit) + ")"});
var outerCircles = circleGroups.selectAll(".outerCircle")
.data(d3.range(rowN).map(Object))
.enter().append("circle")
.attr("class", "outerCircle")
.attr("cx", function(d, i) { return i*xUnit })
.attr("r", size)
.style("stroke-width", function(d, i) { return strokeScale(Math.tan(d)) });
var innerCircles = circleGroups.selectAll(".innerCircle")
.data(d3.range(rowN).map(Object))
.enter().append("circle")
.attr("class", "innerCircle")
.attr("cx", function(d, i) { return i*xUnit })
.attr("r", function(d, i) { return radiusScale(Math.tan(d)) });
var counter = 1;
d3.interval(function() {
d3.selectAll(".outerCircle")
.style("stroke-width", function(d, i) { return strokeScale(Math.sin((d+counter)/10)) });
d3.selectAll(".innerCircle").attr("r", function(d, i) { return radiusScale(Math.sin((d+counter)/10)) });
counter+=1;
}, 100)
</script>
</body>
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