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| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| svg { width:100%; height: 100%; background: RGBA(87, 57, 90, 1) } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see! | |
| var svg = d3.select("body").append("svg") | |
| // curcle numbers | |
| var circles = d3.range(5); | |
| var smallRadius = 40; | |
| var largeRadius = 80; | |
| var marginLeft = window.innerWidth/2 - (circles.length - 2) * smallRadius - largeRadius; | |
| var cycleCount = 0; | |
| var incrementCount = true; | |
| var ratio = largeRadius/smallRadius; | |
| svg.selectAll('circle').data(circles) | |
| .enter().append("circle") | |
| .attr({ | |
| cx: function(d, i){ | |
| if (d < cycleCount) return smallRadius * 2 * d + marginLeft; | |
| if (d === cycleCount) return largeRadius/2 + smallRadius * 2 * d + marginLeft; | |
| if (d > cycleCount) return largeRadius + smallRadius * 2 * d + marginLeft; | |
| }, | |
| cy: window.innerHeight/2, | |
| fill: 'RGBA(34, 179, 123, 1)', | |
| r: function(d, i){ | |
| if (i === cycleCount) return largeRadius; | |
| return smallRadius; | |
| } | |
| }) | |
| .each(cycle); | |
| var numberCircles = circles.length - 1; | |
| function cycle(data) { | |
| if (data === 0){ | |
| if (cycleCount === numberCircles) incrementCount = false; | |
| if (cycleCount === 0) incrementCount = true; | |
| if (incrementCount) cycleCount++; | |
| if (!incrementCount) cycleCount--; | |
| } | |
| d3.select(this).transition().duration(250) | |
| .attr('r', function(d, i){ | |
| if (cycleCount === d) return largeRadius; | |
| return smallRadius; | |
| }) | |
| .attr('cx', function(d, i){ | |
| if (d < cycleCount) return 0 + smallRadius * 2 * d + marginLeft; | |
| if (d === cycleCount) return largeRadius/2 + smallRadius * 2 * (d) + marginLeft; | |
| if (d > cycleCount) return largeRadius + smallRadius * 2 * (d) + marginLeft; | |
| }) | |
| .each("end", cycle); | |
| } | |
| </script> | |
| </body> |
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