Fun challenge. https://groups.google.com/forum/?fromgroups#!topic/d3-js/j32HB4b1mXw
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Rotating rectangles
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| graphic = new Object | |
| size = null | |
| number = null | |
| graphic.create = ()-> | |
| width = $(document).width()/2 | |
| height = $(document).height()*.85 | |
| size = d3.min([width,height]) | |
| graphic.svg = d3.select("#graphic") | |
| .append("svg") | |
| .attr("width",size) | |
| .attr("height",size) | |
| graphic.g = graphic.svg.append("g") | |
| number = 20 | |
| data = _.range(size/number) | |
| # data = [1] | |
| graphic.rect = graphic.g.selectAll("rect") | |
| .data(data).enter() | |
| .append("rect") | |
| .attr("width",(d,i)->size-i*number*2) | |
| .attr("height",(d,i)->size-i*number*2) | |
| .attr("x",(d,i)->number*i) | |
| .attr("y",(d,i)->number*i) | |
| .attr("fill",(d,i)-> if i%2 is 0 then "black" else "white") | |
| graphic.update = ()-> | |
| graphic.rect.transition() | |
| .duration(2000) | |
| .attrTween("transform",(d,i,a)-> | |
| i = d3.interpolateNumber(0,-d*90) | |
| center = size/2 | |
| (t)-> | |
| "rotate(#{i(t)} #{center} #{center})" | |
| ) | |
| graphic.destroy = ()-> | |
| graphic.svg.remove() | |
| delete graphic.svg | |
| $(document).ready ()-> | |
| graphic.create() | |
| $(window).resize ()-> | |
| graphic.destroy() | |
| graphic.create() | |
| setInterval( | |
| ()-> | |
| graphic.update() | |
| ,2250) |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="http://d3js.org/d3.v2.min.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> | |
| <style> | |
| .background { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| #states { | |
| fill: #aaa; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| #states path:hover { | |
| stroke: white; | |
| } | |
| </style> | |
| <body> | |
| <div id="graphic"></div> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| var graphic, number, size; | |
| graphic = new Object; | |
| size = null; | |
| number = null; | |
| graphic.create = function() { | |
| var data, height, width; | |
| width = $(document).width() / 2; | |
| height = $(document).height() * .85; | |
| size = d3.min([width, height]); | |
| graphic.svg = d3.select("#graphic").append("svg").attr("width", size).attr("height", size); | |
| graphic.g = graphic.svg.append("g"); | |
| number = 20; | |
| data = d3.range(size / number); | |
| return graphic.rect = graphic.g.selectAll("rect").data(data).enter().append("rect").attr("width", function(d, i) { | |
| return size - i * number * 2; | |
| }).attr("height", function(d, i) { | |
| return size - i * number * 2; | |
| }).attr("x", function(d, i) { | |
| return number * i; | |
| }).attr("y", function(d, i) { | |
| return number * i; | |
| }).attr("fill", function(d, i) { | |
| if (i % 2 === 0) { | |
| return "black"; | |
| } else { | |
| return "white"; | |
| } | |
| }); | |
| }; | |
| graphic.update = function() { | |
| return graphic.rect.transition().duration(2000).attrTween("transform", function(d, i, a) { | |
| var center; | |
| i = d3.interpolateNumber(0, -d * 90); | |
| center = size / 2; | |
| return function(t) { | |
| return "rotate(" + (i(t)) + " " + center + " " + center + ")"; | |
| }; | |
| }); | |
| }; | |
| graphic.destroy = function() { | |
| graphic.svg.remove(); | |
| return delete graphic.svg; | |
| }; | |
| $(document).ready(function() { | |
| graphic.create(); | |
| $(window).resize(function() { | |
| graphic.destroy(); | |
| return graphic.create(); | |
| }); | |
| return setInterval(function() { | |
| return graphic.update(); | |
| }, 2250); | |
| }); |
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