Mouseover to make particles. Built with D3. I’ve written a slight newer version that creates particles continuously via d3.timer rather than on mouseover. So, check that out.
forked from mbostock's block: OMG Particles!
Created
February 2, 2018 22:04
-
-
Save uicoded/50de30bc2a11a9da95c3b019a23aa784 to your computer and use it in GitHub Desktop.
OMG Particles!
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: gpl-3.0 |
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> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| margin: 0; | |
| background: #222; | |
| min-width: 960px; | |
| } | |
| rect { | |
| fill: none; | |
| pointer-events: all; | |
| } | |
| circle { | |
| fill: none; | |
| stroke-width: 2.5px; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = Math.max(960, innerWidth), | |
| height = Math.max(500, innerHeight); | |
| var i = 0; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("rect") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .on("ontouchstart" in document ? "touchmove" : "mousemove", particle); | |
| function particle() { | |
| var m = d3.mouse(this); | |
| svg.insert("circle", "rect") | |
| .attr("cx", m[0]) | |
| .attr("cy", m[1]) | |
| .attr("r", 1e-6) | |
| .style("stroke", d3.hsl((i = (i + 1) % 360), 1, .5)) | |
| .style("stroke-opacity", 1) | |
| .transition() | |
| .duration(2000) | |
| .ease(Math.sqrt) | |
| .attr("r", 100) | |
| .style("stroke-opacity", 1e-6) | |
| .remove(); | |
| d3.event.preventDefault(); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment