Inspired by Dave Whyte’s circle wave.
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Circle Wave
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| license: gpl-3.0 | |
| border: no |
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| <!DOCTYPE html> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| width = +svg.attr("width"), | |
| height = +svg.attr("height"), | |
| angles = d3.range(0, 2 * Math.PI, Math.PI / 200); | |
| var path = svg.append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")") | |
| .attr("fill", "none") | |
| .attr("stroke-width", 10) | |
| .attr("stroke-linejoin", "round") | |
| .selectAll("path") | |
| .data(["cyan", "magenta", "yellow"]) | |
| .enter().append("path") | |
| .attr("stroke", function(d) { return d; }) | |
| .style("mix-blend-mode", "darken") | |
| .datum(function(d, i) { | |
| return d3.radialLine() | |
| .curve(d3.curveLinearClosed) | |
| .angle(function(a) { return a; }) | |
| .radius(function(a) { | |
| var t = d3.now() / 1000; | |
| return 200 + Math.cos(a * 8 - i * 2 * Math.PI / 3 + t) * Math.pow((1 + Math.cos(a - t)) / 2, 3) * 32; | |
| }); | |
| }); | |
| d3.timer(function() { | |
| path.attr("d", function(d) { | |
| return d(angles); | |
| }); | |
| }); | |
| </script> |
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