Created
March 25, 2020 14:41
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Falling sakura 1
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<body> | |
<style> | |
body { | |
/* background-color: rgb(195, 226, 224); */ | |
background-color: black; | |
overflow: hidden; | |
} | |
.petal { | |
position: absolute; | |
animation: 2s ease-out arc; | |
} | |
.inner { | |
animation: 2s ease-out rotate; | |
opacity: 0; | |
} | |
.petal .left { | |
position: relative; | |
background-color: rgb(253, 225, 255); | |
border-top-left-radius: 99px; | |
border-bottom-left-radius: 99px; | |
transform: scaleX(0.5); | |
height: 30px; | |
width: 14px; | |
} | |
.petal .right { | |
position: absolute; | |
top: 0; | |
left: 6px; | |
background-color: rgb(253, 225, 255); | |
border-top-right-radius: 99px; | |
border-bottom-right-radius: 99px; | |
transform: scaleX(0.5); | |
height: 30px; | |
width: 14px; | |
} | |
@keyframes arc { | |
100% { | |
transform: rotate(0deg); | |
} | |
} | |
@keyframes rotate { | |
0% { | |
transform: rotate(10deg) scale(1.2); | |
} | |
10% { | |
opacity: 1; | |
transform: rotate3d(0deg) scale(1.1); | |
} | |
100% { | |
opacity: 0; | |
transform: rotate(-60deg) scale(0.8); | |
} | |
} | |
</style> | |
<script> | |
function addPetal(options) { | |
const petalLeft = document.createElement('div') | |
const petalRight = document.createElement('div') | |
const petalInner = document.createElement('div') | |
const petalOuter = document.createElement('div') | |
petalLeft.className = "left" | |
petalRight.className = "right" | |
petalInner.className = "inner" | |
petalOuter.className = "petal" | |
petalInner.appendChild(petalLeft) | |
petalInner.appendChild(petalRight) | |
petalOuter.appendChild(petalInner) | |
petalOuter.style.left = options.left | |
petalOuter.style.top = options.top | |
petalOuter.style.transformOrigin = "0 "+options.arcRadius+"px" | |
petalOuter.style.transform = "rotate("+options.arcAngle+"deg)" | |
document.body.appendChild(petalOuter) | |
} | |
setInterval(() => { | |
const height = document.body.clientHeight | |
const width = document.body.clientWidth | |
addPetal({ | |
left: width * Math.random(), | |
top: height * Math.random(), | |
arcAngle: 30 + Math.random() * 150, | |
arcRadius: 150 + Math.random() * 150, | |
}) | |
}, 50) | |
</script> | |
</body> |
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