Last active
September 2, 2016 23:15
-
-
Save winniehell/742e6b0351d44e909737 to your computer and use it in GitHub Desktop.
SVG + D3.js: Jumping circles
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.
Learn more about bidirectional Unicode characters
| window.addEventListener('load', function () { | |
| console.log('Powered by d3 v' + d3.version); | |
| var svg = d3.select('svg'); | |
| var circles = svg.selectAll('circle')[0]; | |
| circles.forEach(function (circle) { | |
| console.log(circle); | |
| circle.addEventListener('click', onClickCircle); | |
| }); | |
| function moveDown (circleNode) { | |
| var text = d3.select('text'); | |
| text.transition() | |
| .attr('opacity', 1); | |
| svg.transition() | |
| .attr('viewBox', svg.attr('originalViewBox')); | |
| var circle = d3.select(circleNode); | |
| circle.transition() | |
| .attr('cy', circle.attr('originalCy')); | |
| } | |
| function moveUp (circleNode) { | |
| var text = d3.select('text'); | |
| text.transition() | |
| .attr('opacity', 0); | |
| var circle = d3.select(circleNode); | |
| circle.attr('originalCy', circle.attr('cy')); | |
| circle.transition() | |
| .attr('cy', 25) | |
| .each('end', function () { | |
| moveDown(this); | |
| }); | |
| var diameter = 2 * circle.attr('r'); | |
| svg.attr('originalViewBox', svg.attr('viewBox')); | |
| svg.transition() | |
| .attr('viewBox', (circle.attr('cx') - circle.attr('r')) + ' 0 ' + diameter + ' ' + diameter); | |
| } | |
| function onClickCircle (event) { | |
| moveUp(event.target); | |
| } | |
| }); |
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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Jumping circles</title> | |
| </head> | |
| <body> | |
| <svg xmlns="http://www.w3.org/2000/svg" | |
| xmlns:xlink="http://www.w3.org/1999/xlink" | |
| width="100%" height="100%" viewBox="0 0 300 300"> | |
| <script xlink:href="//d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script xlink:href="circles.js"></script> | |
| <circle cx="25" cy="100" r="25" style="stroke: none; fill: red;"></circle> | |
| <circle cx="100" cy="100" r="25" style="stroke: none; fill: blue;"></circle> | |
| <text x="0" y="50">Click the circles and look surprised!</text> | |
| </svg> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment