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December 19, 2015 22:49
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Simple visualization for sorting color nodes by hue
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Sorting Color Nodes by Hue</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<style> | |
body { | |
overflow: hidden; | |
background: #333333; | |
} | |
.node { | |
position: absolute; | |
} | |
</style> | |
</head> | |
<body> | |
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
<script> | |
var rgb2hsl = function (r, g, b) { | |
var h, s, l, max, min, s; | |
r /= 255, g /= 255, b /= 255; | |
max = Math.max(r, g, b), min = Math.min(r, g, b); | |
l = (max + min) / 2; | |
if (max == min) { | |
h = s = 0; | |
} | |
else { | |
d = max - min; | |
s = (l > 0.5) ? (d / (2 - max - min)) : (d / (max + min)); | |
switch (max) { | |
case r: | |
h = (g - b) / d + (g < b ? 6 : 0) | |
break; | |
case g: | |
h = (b - r) / d + 2; | |
break; | |
case b: | |
h = (r - g) / d + 4; | |
break; | |
} | |
h /= 6; | |
} | |
return [h, s, l]; | |
}; | |
var createNodes = function (count) { | |
var i, size, top, left, r, g, b, color, divString, transitionTime; | |
if (count == null) count = 100; | |
for (i = 0; i < count; i++) { | |
size = Math.floor(Math.random() * 25) + 25; | |
top = Math.floor(Math.random() * (window.innerHeight + size) - size); | |
left = Math.floor(Math.random() * (window.innerWidth + size) - size); | |
r = (Math.floor(Math.random() * 220) + 30).toString(16); | |
g = (Math.floor(Math.random() * 220) + 30).toString(16); | |
b = (Math.floor(Math.random() * 220) + 30).toString(16); | |
color = "#" + r + g + b; | |
transitionTime = (Math.random() * 2 + 0.5) | |
divString = "<div class='node' style='height:" + size + "px;width:" + size + | |
"px;-webkit-border-radius:" + size + "px;top:" + top + "px;left:" + left + | |
"px;background:" + color + ";-webkit-transition:all " + transitionTime + | |
"s ease-in-out'></div>"; | |
$("body").append(divString); | |
} | |
}; | |
var sortByHue = function () { | |
var nodes, node, i, new_left, new_top, rgb, r, g, b, hsl, h, s, l; | |
nodes = $(".node") | |
for (i = 0; i < nodes.length; i++) { | |
node = $(nodes[i]); | |
rgb = node.css("backgroundColor").match(/rgb\((\d+), (\d+), (\d+)\)/); | |
r = rgb[1], g = rgb[2], b = rgb[3]; | |
hsl = rgb2hsl(r, g, b); | |
h = hsl[0], s = hsl[1], l = hsl[2]; | |
new_top = window.innerHeight * 0.55 - window.innerHeight * 0.25 * l; | |
new_left = window.innerWidth * h * 1.2; | |
node.css("top", "" + new_top + "px"); | |
node.css("left", "" + new_left + "px"); | |
node.css("width", "15px"); | |
node.css("height", "15px"); | |
node.css("-webkit-border-radius", "15px") | |
} | |
}; | |
var application = function () { | |
createNodes(800); | |
$("body").click(function() { | |
sortByHue(); | |
}); | |
}; | |
application(); | |
</script> | |
</body> | |
</html> |
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