A colorized version of my recreation of an untitled GIF by PATAKK.
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| !function(){function e(e){return function(a,i){a=d3.hsl(a),i=d3.hsl(i);var r=(a.h+120)*t,l=(i.h+120)*t-r,h=a.s,s=i.s-h,u=a.l,o=i.l-u;return isNaN(s)&&(s=0,h=isNaN(h)?i.s:h),isNaN(l)&&(l=0,r=isNaN(r)?i.h:r),function(t){var a=r+l*t,i=Math.pow(u+o*t,e),c=(h+s*t)*i*(1-i),d=Math.cos(a),N=Math.sin(a);return"#"+n(i+c*(-.14861*d+1.78277*N))+n(i+c*(-.29227*d-.90649*N))+n(i+1.97294*c*d)}}}function n(e){var n=(e=0>=e?0:e>=1?255:255*e|0).toString(16);return 16>e?"0"+n:n}var t=Math.PI/180;d3.scale.cubehelix=function(){return d3.scale.linear().range([d3.hsl(300,.5,0),d3.hsl(-240,.5,1)]).interpolate(d3.interpolateCubehelix)},d3.interpolateCubehelix=e(1),d3.interpolateCubehelix.gamma=e}(); |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| rect { | |
| fill: #fff; | |
| stroke: #000; | |
| } | |
| </style> | |
| <svg width="960" height="500"> | |
| <defs> | |
| <clipPath id="clip-upper"> | |
| <rect width="960" height="305" x="-480" y="-305"></rect> | |
| </clipPath> | |
| <clipPath id="clip-lower"> | |
| <rect width="960" height="195" x="-480" y="0"></rect> | |
| </clipPath> | |
| </defs> | |
| <g clip-path="url(#clip-upper)" transform="translate(480,305)"></g> | |
| <g clip-path="url(#clip-lower)" transform="translate(480,305)"></g> | |
| </svg> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="cubehelix.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500, | |
| triangleSize = 400, | |
| squareCount = 71, | |
| squareSize = 90, | |
| angularSpeed = .08, | |
| colorSpeed = angularSpeed / 240; | |
| var color = d3.scale.cubehelix() | |
| .domain([0, .5, 1]) | |
| .range([ | |
| d3.hsl(-100, 0.75, 0.35), | |
| d3.hsl( 80, 1.50, 0.80), | |
| d3.hsl( 260, 0.75, 0.35) | |
| ]); | |
| var square = d3.selectAll("g") | |
| .selectAll("g") | |
| .data(function(d, i) { return i ? [0, 1, 2] : [2, 0, 1]; }) | |
| .enter().append("g") | |
| .attr("transform", function(i) { return "rotate(" + (i * 120 + 60) + ")translate(0," + -triangleSize / Math.sqrt(12) + ")"; }) | |
| .selectAll("rect") | |
| .data(d3.range(squareCount)) | |
| .enter().append("rect") | |
| .datum(function(i) { return i / squareCount; }) | |
| .attr({width: squareSize, height: squareSize, x: -squareSize / 2, y: -squareSize / 2}); | |
| d3.timer(function(elapsed) { | |
| square | |
| .style("fill", function(t) { return color((t + elapsed * colorSpeed) % 1); }) | |
| .attr("transform", function(t) { return "translate(" + (t - .5) * triangleSize + ",0)rotate(" + (t * 120 + elapsed * angularSpeed) + ")"; }); | |
| }); | |
| </script> |
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