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Download Button Animation
<div class="container">
<a href="" class="button">
<ul>
<li>&#68;ownload</li>
<li>&#68;ownloading</li>
<li>Open File</li>
</ul>
<div>
<svg viewBox="0 0 24 24"></svg>
</div>
</a>
<a href="" class="button dark-single">
<div>
<svg viewBox="0 0 24 24"></svg>
</div>
</a>
<div></div>
<a href="" class="button white-single">
<div>
<svg viewBox="0 0 24 24"></svg>
</div>
</a>
<a href="" class="button dark">
<ul>
<li>&#68;ownload</li>
<li>&#68;ownloading</li>
<li>Open File</li>
</ul>
<div>
<svg viewBox="0 0 24 24"></svg>
</div>
</a>
</div>
<!-- dribbble -->
<a class="dribbble" href="https://dribbble.com/shots/7299868-Download-Buttons" target="_blank"><img src="https://cdn.dribbble.com/assets/dribbble-ball-mark-2bd45f09c2fb58dbbfb44766d5d1d07c5a12972d602ef8b32204d28fa3dda554.svg" alt=""></a>
$('.button').each(function(e) {
let duration = 3000,
btn = $(this),
svg = btn.find('svg'),
svgPath = new Proxy({
y: null,
smoothing: null
}, {
set(target, key, value) {
target[key] = value;
if(target.y !== null && target.smoothing !== null) {
svg.html(getPath(target.y, target.smoothing, null))
}
return true;
},
get(target, key) {
return target[key];
}
});
btn.css('--duration', duration);
svgPath.y = 20;
svgPath.smoothing = 0;
btn.on('click', e => {
if(!btn.hasClass('loading')) {
btn.addClass('loading');
TweenMax.to(svgPath, duration * .065 / 1000, {
smoothing: .3
});
TweenMax.to(svgPath, duration * .265 / 1000, {
y: 12,
ease: Elastic.easeOut.config(1.12, .4)
}).delay(duration * .065 / 1000);
setTimeout(() => {
svg.html(getPath(0, 0, [
[3, 14],
[8, 19],
[21, 6]
]));
}, (duration / 2));
}
return false;
});
});
function getPoint(point, i, a, smoothing) {
let cp = (current, previous, next, reverse) => {
let p = previous || current,
n = next || current,
o = {
length: Math.sqrt(Math.pow(n[0] - p[0], 2) + Math.pow(n[1] - p[1], 2)),
angle: Math.atan2(n[1] - p[1], n[0] - p[0])
},
angle = o.angle + (reverse ? Math.PI : 0),
length = o.length * smoothing;
return [current[0] + Math.cos(angle) * length, current[1] + Math.sin(angle) * length];
},
cps = cp(a[i - 1], a[i - 2], point, false),
cpe = cp(point, a[i - 1], a[i + 1], true);
return `C ${cps[0]},${cps[1]} ${cpe[0]},${cpe[1]} ${point[0]},${point[1]}`;
}
function getPath(update, smoothing, pointsNew) {
let points = pointsNew ? pointsNew : [
[4, 12],
[12, update],
[20, 12]
],
d = points.reduce((acc, point, i, a) => i === 0 ? `M ${point[0]},${point[1]}` : `${acc} ${getPoint(point, i, a, smoothing)}`, '');
return `<path d="${d}" />`;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.3/TweenMax.min.js"></script>
.button {
&.dark-single {
--background: none;
--rectangle: #242836;
--success: #4BC793;
}
&.white-single {
--background: none;
--rectangle: #F5F9FF;
--arrow: #275efe;
--success: #275efe;
--shadow: rgba(10, 22, 50, .1);
}
&.dark {
--background: #242836;
--rectangle: #1C212E;
--arrow: #F5F9FF;
--text: #F5F9FF;
--success: #2F3545;
}
}
.button {
--background: #275efe;
--rectangle: #184fee;
--success: #{mix(white, #184fee, 20%)};
--text: #fff;
--arrow: #fff;
--checkmark: #fff;
--shadow: rgba(10, 22, 50, .24);
display: flex;
overflow: hidden;
text-decoration: none;
-webkit-mask-image: -webkit-radial-gradient(white, black);
background: var(--background);
border-radius: 8px;
box-shadow: 0 2px 8px -1px var(--shadow);
transition: transform .2s ease, box-shadow .2s ease;
&:active {
transform: scale(.95);
box-shadow: 0 1px 4px -1px var(--shadow);
}
ul {
margin: 0;
padding: 16px 40px;
list-style: none;
text-align: center;
position: relative;
backface-visibility: hidden;
font-size: 16px;
font-weight: 500;
line-height: 28px;
color: var(--text);
li {
&:not(:first-child) {
top: 16px;
left: 0;
right: 0;
position: absolute;
}
&:nth-child(2) {
top: 76px;
}
&:nth-child(3) {
top: 136px;
}
}
}
& > div {
position: relative;
width: 60px;
height: 60px;
background: var(--rectangle);
&:before,
&:after {
content: '';
display: block;
position: absolute;
}
&:before {
border-radius: 1px;
width: 2px;
top: 50%;
left: 50%;
height: 17px;
margin: -9px 0 0 -1px;
background: var(--arrow);
}
&:after {
width: 60px;
height: 60px;
transform-origin: 50% 0;
border-radius: 0 0 80% 80%;
background: var(--success);
top: 0;
left: 0;
transform: scaleY(0);
}
svg {
display: block;
position: absolute;
width: 20px;
height: 20px;
left: 50%;
top: 50%;
margin: -9px 0 0 -10px;
fill: none;
z-index: 1;
stroke-width: 2px;
stroke: var(--arrow);
stroke-linecap: round;
stroke-linejoin: round;
}
}
&.loading {
ul {
animation: text calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
& > div {
&:before {
animation: line calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
&:after {
animation: background calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
svg {
animation: svg calc(var(--duration) * 1ms) linear forwards calc(var(--duration) * .065ms);
}
}
}
}
@keyframes text {
10%,
85% {
transform: translateY(-100%);
}
95%,
100% {
transform: translateY(-200%);
}
}
@keyframes line {
5%,
10% {
transform: translateY(-30px);
}
40% {
transform: translateY(-20px);
}
65% {
transform: translateY(0);
}
75%,
100% {
transform: translateY(30px);
}
}
@keyframes svg {
0%,
20% {
stroke-dasharray: 0;
stroke-dashoffset: 0;
}
21%,
89% {
stroke-dasharray: 26px;
stroke-dashoffset: 26px;
stroke-width: 3px;
margin: -10px 0 0 -10px;
stroke: var(--checkmark);
}
100% {
stroke-dasharray: 26px;
stroke-dashoffset: 0;
margin: -10px 0 0 -10px;
stroke: var(--checkmark);
}
12% {
opacity: 1;
}
20%,
89% {
opacity: 0;
}
90%,
100% {
opacity: 1;
}
}
@keyframes background {
10% {
transform: scaleY(0);
}
40% {
transform: scaleY(.15);
}
65% {
transform: scaleY(.5);
border-radius: 0 0 50% 50%;
}
75% {
border-radius: 0 0 50% 50%;
}
90%,
100% {
border-radius: 0;
}
75%,
100% {
transform: scaleY(1);
}
}
html {
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
}
* {
box-sizing: inherit;
&:before,
&:after {
box-sizing: inherit;
}
}
// Center & dribbble
body {
min-height: 100vh;
display: flex;
font-family: 'Roboto', Arial;
justify-content: center;
align-items: center;
background: #E4ECFA;
.container {
display: flex;
flex-wrap: wrap;
justify-content: center;
& > div {
flex-basis: 100%;
width: 0;
}
.button {
margin: 16px;
@media(max-width: 400px) {
margin: 12px;
}
}
}
.dribbble {
position: fixed;
display: block;
right: 20px;
bottom: 20px;
img {
display: block;
height: 28px;
}
}
}
<link href="https://fonts.googleapis.com/css?family=Roboto:400,500,700&amp;display=swap" rel="stylesheet" />
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