Created
November 19, 2018 05:15
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Animating a user interaction in mapbox-gl-js
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title>Animating a user highlight</title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.51.0/mapbox-gl.js'></script> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.51.0/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin:0; padding:0; } | |
#map { position:absolute; top:0; bottom:0; width:100%; } | |
</style> | |
</head> | |
<body> | |
<div id='map'></div> | |
<script> | |
mapboxgl.accessToken = 'pk.eyJ1Ijoic3RldmFnZSIsImEiOiJGcW03aExzIn0.QUkUmTGIO3gGt83HiRIjQw'; | |
var map = new mapboxgl.Map({ | |
container: 'map', // container id | |
style: 'mapbox://styles/stevage/cjonudzz83h3z2rlewmb82lb0', // stylesheet location | |
center: [144.96, -37.82], // starting position [lng, lat] | |
zoom: 16 // starting zoom | |
}); | |
map.on('load', () => { | |
map.addSource('highlight', { | |
type: 'geojson', | |
data: { type: 'FeatureCollection', features: [] } | |
}); | |
map.on('click', 'poi-label', e => { | |
if (!e.features) return; | |
if (map.getLayer('highlight-point')) map.removeLayer('highlight-point'); | |
map.addLayer({ | |
id: 'highlight-point', | |
source: 'highlight', | |
type: 'circle', | |
paint: { | |
'circle-color': 'transparent', | |
'circle-stroke-color': 'green', | |
'circle-stroke-width': 3, | |
'circle-radius': 0 | |
} | |
}); | |
map.getSource('highlight').setData(e.features[0]) | |
map.setPaintProperty('highlight-point', 'circle-radius', 20); | |
}); | |
}); | |
</script> | |
</body> | |
</html> |
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