This chart visualizes d3-ease’s easing functions. The x-axis represents the normalized time t in the range [0, 1]. The y-axis represents the eased time, ease(t).
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October 1, 2018 14:29
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Easing
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license: gpl-3.0 | |
height: 960 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
.axis--y .domain, | |
.axis .tick:nth-child(2n - 1) text { | |
display: none; | |
} | |
.axis--x .domain { | |
fill: #e7e7e7; | |
stroke: none; | |
} | |
.axis .tick line { | |
stroke: #fff; | |
} | |
.axis .tick:nth-child(2n - 1) line { | |
stroke-opacity: 0.5; | |
} | |
.line path { | |
fill: none; | |
stroke: #000; | |
stroke-width: 2px; | |
} | |
#ease-type { | |
position: absolute; | |
top: 100px; | |
left: 130px; | |
} | |
</style> | |
<select id="ease-type"> | |
<option selected value="linear">linear</option> | |
<option value="quadIn">quadIn</option> | |
<option value="quadOut">quadOut</option> | |
<option value="quadInOut">quadInOut</option> | |
<option value="cubicIn">cubicIn</option> | |
<option value="cubicOut">cubicOut</option> | |
<option value="cubicInOut">cubicInOut</option> | |
<option value="polyIn">polyIn</option> | |
<option value="polyOut">polyOut</option> | |
<option value="polyInOut">polyInOut</option> | |
<option value="sinIn">sinIn</option> | |
<option value="sinOut">sinOut</option> | |
<option value="sinInOut">sinInOut</option> | |
<option value="expIn">expIn</option> | |
<option value="expOut">expOut</option> | |
<option value="expInOut">expInOut</option> | |
<option value="circleIn">circleIn</option> | |
<option value="circleOut">circleOut</option> | |
<option value="circleInOut">circleInOut</option> | |
<option value="bounceIn">bounceIn</option> | |
<option value="bounceOut">bounceOut</option> | |
<option value="bounceInOut">bounceInOut</option> | |
<option value="backIn">backIn</option> | |
<option value="backOut">backOut</option> | |
<option value="backInOut">backInOut</option> | |
<option value="elasticIn">elasticIn</option> | |
<option value="elasticOut">elasticOut</option> | |
<option value="elasticInOut">elasticInOut</option> | |
</select> | |
<script src="//d3js.org/d3.v4.0.0-alpha.49.min.js"></script> | |
<script> | |
var margin = {top: 120, right: 120, bottom: 120, left: 120}, | |
width = 960 - margin.left - margin.right, | |
height = 960 - margin.top - margin.bottom; | |
var x = d3.scaleLinear() | |
.range([0, width]); | |
var y = d3.scaleLinear() | |
.range([height, 0]); | |
var path = d3.line() | |
.x(function(t) { return x(t); }) | |
.y(function(t) { return y(ease(t)); }); | |
var ease; | |
var svg = d3.select("body").append("svg") | |
.attr("width", width + margin.left + margin.right) | |
.attr("height", height + margin.top + margin.bottom) | |
.append("g") | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
svg.append("g") | |
.attr("class", "axis axis--x") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.axisBottom(x) | |
.tickSize(-height) | |
.tickPadding(6)) | |
.append("text") | |
.attr("class", "axis-title") | |
.attr("x", width - 10) | |
.attr("y", 8) | |
.attr("dy", ".71em") | |
.attr("text-anchor", "end") | |
.attr("font-weight", "bold") | |
.text("t = "); | |
svg.append("g") | |
.attr("class", "axis axis--y") | |
.call(d3.axisLeft(y) | |
.tickSize(-width) | |
.tickPadding(6)) | |
.append("text") | |
.attr("class", "axis-title") | |
.attr("x", -24) | |
.attr("dy", ".32em") | |
.attr("text-anchor", "end") | |
.attr("font-weight", "bold") | |
.text("ease(t) = "); | |
var line = svg.append("g") | |
.attr("class", "line") | |
.append("path") | |
.datum(d3.range(0, 1, 0.002).concat(1)); | |
var dot1 = svg.append("circle") | |
.attr("r", 5); | |
var dot2 = svg.append("circle") | |
.attr("cx", width + 20) | |
.attr("r", 5); | |
var select = d3.select("#ease-type") | |
.on("change", changed) | |
.property("value", top.location.hash ? top.location.hash.slice(1) : "linear") | |
.each(changed); | |
function changed() { | |
ease = d3["ease" + this.value[0].toUpperCase() + this.value.slice(1)] || d3.easeLinearIn; | |
line.attr("d", path); | |
} | |
d3.timer(function(elapsed) { | |
var t = (elapsed % 3000) / 3000; | |
dot1.attr("cx", x(t)).attr("cy", y(ease(t))); | |
dot2.attr("cy", y(ease(t))); | |
}); | |
</script> |
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