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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<style>
body {
margin: 0;
padding: 10em 10em;
background-color: #9fcaea;
}
path {
fill: white;
stroke-width: 0;
}
</style>
</head>
<body>
<svg width="960" height="500">
<path d="M30,110A80,80,0,1,1,190,110A80,80,0,1,1,30,110Z" />
</svg>
<script src="/node_modules/d3/build/d3.min.js"></script>
<script src="https://d3js.org/topojson.v3.min.js"></script>
<script src="/node_modules/flubber/build/flubber.min.js"></script>
<script>
const svg = d3.select('svg')
const path = svg.select('path')
const options = { maxSegmentLength: 1 }
const animate = () => {
path
.transition()
.delay(500)
.duration(1000)
.attrTween("d", () => flubber.toRect(svg.select('path').attr('d'), 10, 10, 200, 200, options))
.transition()
.delay(500)
.attrTween("d", () => flubber.toCircle(svg.select('path').attr('d'), 110, 110, 80, options))
.on('end', () => { animate() })
}
animate()
</script>