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mdcscry/Blue Spiral Circle

Last active February 26, 2016 06:54
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Blue Spiral Circle
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README.md
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index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {background-color:black;}
rect {
fill: steelblue;
stroke: black;
fill-opacity: .2;
stroke-width: 8px;
stroke-opacity: .5;
}
circle {
fill: lightblue;
fill-opacity: .1;
stroke: black;
stroke-width: 8px;
stroke-opacity: .2;
}
ellipse {
fill: cornflowerblue;
fill-opacity:.2;
stroke: black;
stroke-width: 8px;
stroke-opacity: .5;
}
</style>
<svg width="960" height="500">
<defs>
<clipPath id="clip-upper">
<rect width="960" height="500" x="-480" y="-250"></rect>
</clipPath>
<clipPath id="clip-lower">
<rect width="960" height="500" x="-480" y="0"></rect>
</clipPath>
</defs>
<g clip-path="url(#clip-upper)" transform="translate(480,250)"></g>
<g clip-path="url(#clip-lower)" transform="translate(480,250)"></g>
</svg>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
height = 500,
circleRadius = 150,
squareCount =120,
squareSize = 20,
speed = .01,
inc=2;
var square = d3.selectAll("g")
.append("g")
.attr("transform", function(d, i) { return i ? "rotate(180)" : null; })
.selectAll("rect")
.data(d3.range(squareCount*3))
.enter().append("rect")
.datum(function(i) { return i / (squareCount*3); })
.attr({width: squareSize*4, height: squareSize*4, x: -squareSize / 2, y: -squareSize / 2});
var ellipse = d3.selectAll("g")
.append("g")
.attr("transform", function(d, i) { return i ? "rotate(180)" : null; })
.selectAll("ellipse")
.data(d3.range(squareCount*2))
.enter().append("ellipse")
.datum(function(i) { return i / (squareCount*2); })
.attr({r: squareSize, rx: squareSize*2.5, ry: squareSize / 2, cx: -squareSize / 2, cy: -squareSize / 2});
var circle = d3.selectAll("g")
.append("g")
.attr("transform", function(d, i) { return i ? "rotate(180)" : null; })
.selectAll("circle")
.data(d3.range(squareCount*2))
.enter().append("circle")
.datum(function(i) { return i / (squareCount*2); })
.attr({r: squareSize/1.5, cx: -squareSize / 2, cy: -squareSize / 2});
d3.timer(function(elapsed) {
square
.attr("transform", function(t) {return "rotate(" + (t * (360)) + ")translate(0," + circleRadius + ")rotate(" + (t * (360*(inc+6)) + elapsed * (speed-.0025)) + ")"; });
ellipse
.attr("transform", function(t) {return "rotate(" + (t * (360)) + ")translate(0," + circleRadius + ")rotate(" + (t * (360*(inc+4)) + elapsed * (speed-.001)) + ")"; });
circle
.attr("transform", function(t) {return "rotate(" + (t * (360)) + ")translate(0," + circleRadius + ")rotate(" + (t * (360*(inc+6)) + elapsed * (speed+.005)) + ")"; });
}
);
</script>
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mdcscry commented Feb 26, 2016

blue

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