Built with blockbuilder.org
Last active
October 28, 2016 19:19
-
-
Save GitNoise/bdcc2d7f909b9dd4ec00327f15cc9a06 to your computer and use it in GitHub Desktop.
500 glowing dots
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
<!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; | |
background: rgba(0, 0, 0, 0.7); | |
padding: 100px; | |
} | |
svg { | |
background: rgba(0, 0, 0, 0.2); | |
border: 1px solid #2d2d2d | |
} | |
.stop1 { stop-color: #00E5EE; } | |
.stop2 { stop-color: #00E5EE; stop-opacity: 0; } | |
.stop3 { stop-color: #fff; stop-opacity: 1 } | |
.stop4 { stop-color: #fff; stop-opacity: 0.9; } | |
.stop5 { stop-color: #fff; stop-opacity: 0.1;} | |
</style> | |
</head> | |
<body> | |
<svg> | |
<defs> | |
<radialGradient id="RadialGradient1"> | |
<stop class='stop1' offset="0%"/> | |
<stop class='stop2' offset="100%"/> | |
</radialGradient> | |
<radialGradient id="RadialGradient2"> | |
<stop class='stop3' offset="0%"/> | |
<stop class='stop4' offset="80%"/> | |
<stop class='stop5' offset="100%"/> | |
</radialGradient> | |
</defs> | |
</svg> | |
<script> | |
var svg = d3.select('svg') | |
.attr('width', 315) | |
.attr('height', 315); | |
function dot (selection, size, position, cssName) { | |
var g = selection.append("g"); | |
g.append('circle') | |
.attr('cx', position.x) | |
.attr('cy', position.y) | |
.attr('r', size) | |
.classed(cssName, true) | |
.style('fill', 'url(#RadialGradient1)'); | |
g.append('circle') | |
.attr('cx', position.x) | |
.attr('cy', position.y) | |
.attr('r', size*.3) | |
.classed('center', true) | |
.style('fill-opacity', 0.9) | |
.style('fill', 'url(#RadialGradient2)'); | |
} | |
function randomBox(x0, y0, x1, y1) { | |
return { | |
x: Math.floor(Math.random() * x1) + x0, | |
y: Math.floor(Math.random() * y1) + y0, | |
} | |
} | |
function random(max, min) { | |
console.log(Math.floor(Math.random() * max) + min); | |
return Math.floor(Math.random() * max) + min; | |
} | |
for(var i=0; i<500; i++) { | |
dot(svg, random(10,2), randomBox(10,10, 300, 300), 'glow'); | |
} | |
</script> | |
</body> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment