Hover on object to bring it to the front, click to take object to the background.
Last active
September 16, 2017 07:35
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Objects ordering
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<svg width="960" height="500"></svg> | |
<script src="//d3js.org/d3.v4.min.js"></script> | |
<script> | |
var svg = d3.select("svg"), | |
width = +svg.attr("width"), | |
height = +svg.attr("height"), | |
radius = 100; | |
var circles = d3.range(40).map(function() { | |
return { | |
x: Math.round(Math.random() * (width - radius * 2) + radius), | |
y: Math.round(Math.random() * (height - radius * 2) + radius) | |
}; | |
}); | |
var color = d3.scaleOrdinal() | |
.range([ '#0D6F7F','#E07351', '#169E87', '#5D8222', '#97AF22', '#D2A825', '#DB5A33', '#DC5F5F', '#D86A87', '#CCCAC8']); | |
var firstChild; | |
svg.selectAll("circle") | |
.data(circles) | |
.enter().append("circle") | |
.attr("cx", function (d) { return d.x; }) | |
.attr("cy", function (d) { return d.y; }) | |
.attr("r", radius) | |
.style("fill", function (d, i) { return color(i); }) | |
.on("mouseover", function (d) { | |
this.parentElement.appendChild(this); | |
}) | |
.on("click", function (d) { | |
firstChild = this.parentNode.firstChild; | |
if (firstChild) { | |
this.parentNode.insertBefore(this, firstChild); | |
} | |
}); | |
</script> |
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