Morph smoothly between Polygons or MultiPolygons.
npm i mapbox-gl @naivemap/mapbox-gl-polygon-morpher
import PolygonMorpher from '@naivemap/mapbox-gl-polygon-morpher'
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v12',
center: [-74.5, 40],
zoom: 9
})
map.on('load', () => {
map.addSource('geojson-source', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: []
}
})
map.addLayer(
{
id: 'poly-layer',
type: 'fill',
source: 'geojson-source',
paint: {
'fill-color': 'rgba(152, 224, 173, 0.5)'
}
},
'aeroway-line'
)
const geojsonSource = map.getSource('geojson-source') as mapboxgl.GeoJSONSource
const polygonMorpher = new PolygonMorpher(geojsonSource)
polygonMorpher.morph(feature)
})
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<link href="https://api.mapbox.com/mapbox-gl-js/v2.11.0/mapbox-gl.css" rel="stylesheet" />
<script src="https://api.mapbox.com/mapbox-gl-js/v2.11.0/mapbox-gl.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@naivemap/mapbox-gl-polygon-morpher"></script>
</head>
<body>
<div id="map" style="position: absolute; top: 0; right: 0; bottom: 0; left: 0"></div>
<script>
const polygonMorpher = new PolygonMorpher(geojsonSource)
</script>
</body>
</html>