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@ikonikre
Created November 20, 2016 17:03
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Sunrise Animation
<figure class="animation">
<section class="animation__block" role="img" aria-label="Animation of the sun rising very quickly">
<div class="hill front red-dk"></div>
<div class="hill back red"></div>
<div class="sun"></div>
</section>
<figcaption class="animation__caption">
inspired by <a href="https://dribbble.com/shots/2271207-Wallpaper-Icon-Animation" target="_blank">@krishgounder</a>
</figcaption>
</figure>
$orange: #ffb63c;
$sun: (
0: #ffdb41,
1: #ffb63c,
2: #ffa638,
3: #ff963c,
4: #ff823c,
5: #ff6d3c
);
$red: #e3413c;
$red-dk: #cb3838;
$grey: #d4d1d0;
$grey-dk: #b1acac;
$black: #131313;
$cubic-bezier: cubic-bezier(0.680, -0.550, 0.265, 1.550);
*,
*::before,
*::after { box-sizing: border-box; }
body ,
html {
margin: 0;
padding: 0;
background-color: $grey;
font-family: 'Courier New', monospace;
}
.animation {
&__block {
position: relative;
background-color: $grey-dk;
min-width: 280px;
min-height: 280px;
width: 25vw;
height: 25vw;
border-radius: 3vw;
box-shadow: 0 .3vw .6vw -.3vw rgba($black, .75);
margin: 4vw auto 0;
z-index: 1;
overflow: hidden;
}
&__caption {
font-size: .75rem;
width: 250px;
margin: 10px auto 0;
text-align: right;
}
}
.hill,
.sun {
animation: {
duration: 4s;
play-state: fill;
iteration-count: infinite;
timing-function: $cubic-bezier;
}
}
.hill {
position: absolute;
top: 100%;
height: 150%;
border-radius: 50%;
z-index: 2;
&.red-dk {
left: -75%;
width: 150%;
background-color: $red-dk;
box-shadow: inset 0 0 0 2px rgba(lighten($red-dk, 30%), .091);
animation-name: rise-red-dk;
}
&.red {
left: -30%;
width: 250%;
background-color: $red;
box-shadow: inset 0 0 0 2px rgba(lighten($red, 30%), .091);
animation-name: rise-red;
}
}
.sun {
position: absolute;
left: -20%;
top: 100%;
width: 20%;
height: 20%;
background-color: map-get($sun, 0);
border-radius: 50%;
transform: scale(0);
animation-name: sun;
}
/**
* HILL ANIMATIONS
*/
@keyframes rise-red-dk {
17%, 73% { transform: translateY(-30%); }
}
@keyframes rise-red {
23%, 80% { transform: translateY(-20%); }
}
/**
* SUN ANIMATION
*/
@keyframes sun {
0%, 10% {
transform: scale(.1);
}
20% {
transform: translate(400%, -400%) scale(1);
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091);
}
25% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091);
}
26% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
long-shadow(90, 0, transparent),
0 0 0 35px map-get($sun, 1);
}
27% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2);
}
28% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3);
}
29% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3),
0 0 0 140px map-get($sun, 4);
}
30% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3),
0 0 0 140px map-get($sun, 4),
0 0 0 175px map-get($sun, 5);
}
31% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3),
0 0 0 140px map-get($sun, 4),
0 0 0 175px map-get($sun, 5),
0 0 0 210px $red;
}
32% {
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3),
0 0 0 140px map-get($sun, 4),
0 0 0 175px map-get($sun, 5),
0 0 0 210px $red,
0 0 0 250px $red-dk;
}
70% {
transform: translate(400%, -400%) scale(1);
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
long-shadow(10, 0, map-get($sun, 0)),
0 0 0 35px map-get($sun, 1),
0 0 0 70px map-get($sun, 2),
0 0 0 105px map-get($sun, 3),
0 0 0 140px map-get($sun, 4),
0 0 0 175px map-get($sun, 5),
0 0 0 210px $red,
0 0 0 250px $red-dk;
}
85% {
transform: translate(800%, 200%) scale(1);
box-shadow: inset 0 0 0 2px rgba(lighten(map-get($sun, 0), 30%), .091),
long-shadow(10, 0, map-get($sun, 0)),
0 0 0 10px map-get($sun, 1),
0 0 0 20px map-get($sun, 2),
0 0 0 35px map-get($sun, 3),
0 0 0 40px map-get($sun, 4),
0 0 0 50px map-get($sun, 5),
0 0 0 60px $red,
0 0 0 70px $red-dk;
}
90% { transform: translate(800%, 200%) scale(0); }
}
a {
display: inline-block;
vertical-align: middle;
color: $black;
text-decoration: none;
font-weight: bold;
border-bottom: 1px solid transparent;
&:hover {
border-bottom: 1px solid map-get($sun, 4);
}
}
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