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Raindrops II
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| height: 960 |
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| var w = 960; | |
| var h = 960; | |
| var mycolours = d3.scaleOrdinal() | |
| .domain([0,1,2,3,4,5]) | |
| .range(["#566270", //dark grey | |
| "#8395ad", // greyish blue | |
| "#e0e3da", // light greyish | |
| "#c2e1fa", // light blue | |
| ]) | |
| // create svg | |
| var svg = d3.select("#svgDiv") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| var locations = [] | |
| for (var i = 0; i < 4 ; i++) { | |
| for (var j = 0; j < 4; j++) { | |
| locations.push([i*200+180,j*200+180]) | |
| } | |
| } | |
| setInterval(function() { | |
| var dot = locations[Math.floor(Math.random() * locations.length)] | |
| svg | |
| .append("circle") | |
| .attr("cx", function(d) {return dot[0]}) | |
| .attr("cy", function(d) {return dot[1]}) | |
| .attr("r", 0) | |
| .style("fill", mycolours(Math.floor(Math.random() * 5))) | |
| .style("opacity", 1) | |
| .transition() | |
| .duration(3500) | |
| .ease(d3.easeQuadOut) | |
| .attr("r", 100) | |
| .style("opacity", 0) | |
| .remove() | |
| }, 10) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Raindrops II</title> | |
| <link rel="stylesheet" type="text/css" href="style.css"> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="svgDiv"></div> | |
| <script type="text/javascript" src="circles.js"></script> | |
| </body> | |
| </html> |
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| body, html { | |
| height: 100%; | |
| margin: 0; | |
| padding: 0; | |
| overflow: hidden; | |
| background-color: #fff; | |
| } | |
| #svgDiv { | |
| position: absolute; | |
| left: 0; | |
| right: 0; | |
| margin: 0; | |
| padding: 0; | |
| } |
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