Last active
January 22, 2017 04:11
-
-
Save kimxogus/95a47d977aa8682fa74dba4279ff6234 to your computer and use it in GitHub Desktop.
Path Token Animation
This file contains 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
| license: mit |
This file contains 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
| var data = [{ | |
| x: 100, | |
| y: 200 | |
| }, { | |
| x: 200, | |
| y: 100 | |
| }, { | |
| x: 300, | |
| y: 200 | |
| }, { | |
| x: 400, | |
| y: 100 | |
| }, { | |
| x: 500, | |
| y: 200 | |
| }, { | |
| x: 400, | |
| y: 300 | |
| }, { | |
| x: 300, | |
| y: 200 | |
| }, { | |
| x: 200, | |
| y: 300 | |
| }, { | |
| x: 100, | |
| y: 200 | |
| }]; |
This file contains 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> | |
| <title>SVG - BBox</title> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <script src="https://d3js.org/d3.v4.js"></script> | |
| <script src="https://kimxogus.github.io/d3-zoomer/build/d3-zoomer.min.js"></script> | |
| <style> | |
| html, body { | |
| margin: 0; | |
| width: 100%; | |
| height: 100%; | |
| } | |
| #svg { | |
| width: 100%; | |
| height: 100%; | |
| } | |
| #svg path { | |
| stroke: black; | |
| stroke-width: 1px; | |
| fill: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg id="svg" xmlns="http://www.w3.org/2000/svg" version="1.1"></svg> | |
| <script src="data.js"></script> | |
| <script src="script.js"></script> | |
| </body> | |
| </html> |
This file contains 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
| (function() { | |
| 'use strict'; | |
| var svg = d3.select("#svg"); | |
| var g = svg.append("g") | |
| .call(d3.zoomer()); // d3-zoomer for easy pan-zoom behavior. | |
| // define line. | |
| var line = d3.line() | |
| .curve(d3.curveBasis) | |
| .x(function(d) { | |
| return d.x; | |
| }) | |
| .y(function(d) { | |
| return d.y; | |
| }); | |
| // draw line as path with data. | |
| var path = g.append('path') | |
| .attr('d', line(data)); | |
| // get Path DOM | |
| var pathNode = path.node(); | |
| // get Total Length of path. | |
| var pathLength = pathNode.getTotalLength(); | |
| // Animation duration 2 sec. | |
| var duration = 2000; | |
| // add token as circle. | |
| var token = g.append("circle") | |
| .attr("r", 5) | |
| .attr("fill", "red"); | |
| var tick = 0; | |
| function update() { | |
| if (tick >= duration) { | |
| tick -= duration; | |
| } | |
| tick += 1000 / 60; // 60 frames per one second. | |
| var current = tick / duration; | |
| var point = pathNode.getPointAtLength( current * pathLength); | |
| token.attr("transform", "translate(" + [point.x, point.y] + ")"); | |
| requestAnimationFrame(update); | |
| } | |
| requestAnimationFrame(update); | |
| }()); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment