Inspired by http://i.imgur.com/KGuhpEi.gif
forked from anonymous's block: D3 Rave Part 1
Last active
November 7, 2016 20:50
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D3 Rave Part 2
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| license: mit |
This file contains hidden or 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://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var width = 960, | |
| height = 500, | |
| radius = 30; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height).style('background-color', 'black') | |
| var xValues = d3.range(-18*radius,width + 18*radius, 3*radius) | |
| var yValues = d3.range(-18*radius,height + 18*radius, 3*radius) | |
| var data = [] | |
| for(var x =0; x< xValues.length; x++){ | |
| for(var y = 0; y < yValues.length; y++){ | |
| data.push({x: xValues[x],y: yValues[y], i: x, j: y}) | |
| } | |
| } | |
| var circle = svg.append('g').selectAll('circle').data(data) | |
| .enter().append("circle") | |
| .attr("cy", function(d){ return d.y;}) | |
| .attr("cx", function(d){ return d.x;}) | |
| .attr('r', 10) | |
| .attr('fill', function(d){if((d.i + d.j) % 2 == 0){ return 'red'} else { | |
| return 'blue' | |
| }}) | |
| var w = width, | |
| h = height; | |
| var times = 0 | |
| d3.interval(function(elapsed) { | |
| var m = 6*radius; | |
| circle.transition().duration(100).ease(d3.easeBounce).attr("cx", function(d) { | |
| if(((d.i + d.j) % 2 == 0 && (times % 4 == 0 || times % 4 == 1)) || ((d.i + d.j) % 2 == 1 && (times % 4 == 2 || times % 4 == 3))){ | |
| d.x += m | |
| } else { | |
| d.x -= m; | |
| } | |
| return d.x | |
| }) | |
| .attr("cy", function(d) { | |
| if(((d.i + d.j) % 2 == 0 && (times % 4 == 1 || times % 4 == 2)) ||((d.i + d.j) % 2 == 1 && (times % 4 == 0 || times % 4 == 3)) ){ | |
| d.y += m; | |
| } | |
| else{ | |
| d.y -= m; | |
| } | |
| return d.y | |
| }) | |
| .attr('fill', function(d){ | |
| if((d.i + d.j) % 2 == 0 && times % 2 == 0){ | |
| return 'blue' | |
| } | |
| else if((d.i + d.j) % 2 == 0) { | |
| return 'red' | |
| } | |
| if((d.i + d.j) % 2 != 0 && times % 2 == 0){ | |
| return 'red' } | |
| else{ | |
| return 'blue' | |
| } | |
| }) | |
| .attrTween('r', function(){ | |
| return function(t){ | |
| return (radius - .8 * radius)*4*(t - 0.5)**2 + .8 * radius; | |
| }; | |
| }) | |
| times++; | |
| }, 100); | |
| var times2 = 0; | |
| d3.interval(function(){ | |
| d3.select('svg').transition().duration(5).style('background-color',function(){ if(times2 % 2 == 0){ return 'white'} else {return 'black'}}); | |
| times2++; | |
| }, 5) | |
| </script> | |
| </body> |
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