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random-simple-poly-circle
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path{ | |
| fill-opacity: .3; | |
| } | |
| html{ | |
| width: 960px; | |
| height: 500px; | |
| } | |
| </style> | |
| <script src="/1wheel/raw/67b47524ed8ed829d021/d3-3.5.5.js"></script> | |
| <script src="/1wheel/raw/67b47524ed8ed829d021/lodash-3.8.0.js"></script> | |
| <script src='/1wheel/raw/1b6758978dc2d52d3a37/d3-jetpack.js'></script> | |
| <script src='/1wheel/raw/1b6758978dc2d52d3a37/d3-starterkit.js'></script> | |
| <script src='/1wheel/raw/5d32ecb8a54b42f53646/geometry.js'></script> | |
| <script src='rand-poly.js'></script> | |
| <script> | |
| var size = 160, | |
| rows = Math.floor(960/size), | |
| cols = Math.floor(500/size) | |
| var s = d3.scale.linear().domain([-1, 1]).range([0, size]) | |
| var polys = d3.range(rows*cols).map(function(d){ | |
| return { | |
| x: d % rows, | |
| y: Math.floor(d/rows), | |
| points: randPoly(100).map(function(d){ | |
| return P(s(d.x), s(d.y)) | |
| }) | |
| } | |
| }) | |
| var svg = d3.select('html').append('svg') | |
| .attr({width: 960, height: 500}) | |
| var polyG = svg.dataAppend(polys, 'g') | |
| .translate(function(d){ return [d.x*size, d.y*size] }) | |
| polyG.dataAppend(ƒ('points'), 'circle') | |
| .translate(ƒ()) | |
| .attr('r', 1.5) | |
| polyG.append('path.poly') | |
| .attr('d', function(d){ | |
| return 'M' + d.points.join('L') }) | |
| </script> |
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| function randPoly(n){ | |
| var points = d3.range(n).map(function(d){ | |
| return Math.random()*Math.PI*2 | |
| }) | |
| points = _.sortBy(points) | |
| return points.map(function(d){ | |
| var r = Math.random()*(1 + (Math.sqrt(2) -1)*((d) % Math.PI/4)) | |
| return P(Math.cos(d)*r, Math.sin(d)*r) | |
| }) | |
| } |
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