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April 8, 2016 02:42
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project a div over a mapbox-gl js map. the div seems to stay in sync pretty well with the map. the purple circle is an actual mapgl marker. the white circle is a div.
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title></title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.16.0/mapbox-gl.js'></script> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.16.0/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin:0; padding:0; } | |
#map { position:absolute; top:0; bottom:0; left: 0; right: 0; width:100%; height: 100%; } | |
#vehicle { | |
height: 10px; | |
width: 10px; | |
margin-left: -5px; | |
margin-top: -5px; | |
background: #fff; | |
border-radius: 5px; | |
position: absolute; | |
} | |
</style> | |
</head> | |
<body> | |
<div id='map'></div> | |
<div id='vehicle'></div> | |
<script> | |
mapboxgl.accessToken = 'pk.eyJ1IjoibWFwYm94IiwiYSI6ImNpbG10dnA3NzY3OTZ0dmtwejN2ZnUycjYifQ.1W5oTOnWXQ9R1w8u3Oo1yA'; | |
var map = window.map = new mapboxgl.Map({ | |
container: 'map', | |
style: 'mapbox://styles/mapbox/streets-v8', | |
center: [-97.7197243, 30.263213], | |
zoom: 13, | |
}); | |
map.on('boxzoomcancel', function() { console.log('boxzoomcancel'); }); | |
map.on('boxzoomend', function() { console.log('boxzoomend'); }); | |
map.on('boxzoomstart', function() { console.log('boxzoomstart'); }); | |
map.on('click', function() { console.log('click'); }); | |
map.on('contextmenu', function() { console.log('contextmenu'); }); | |
map.on('dblclick', function() { console.log('dblclick'); }); | |
map.on('drag', function() { console.log('drag'); }); | |
map.on('dragend', function() { console.log('dragend'); }); | |
map.on('dragstart', function() { console.log('dragstart'); }); | |
map.on('load', function() { console.log('load'); }); | |
map.on('move', function() { console.log('move'); }); | |
map.on('moveend', function() { console.log('moveend'); }); | |
map.on('movestart', function() { console.log('movestart'); }); | |
map.on('rotate', function() { console.log('rotate'); }); | |
map.on('rotateend', function() { console.log('rotateend'); }); | |
map.on('rotatestart', function() { console.log('rotatestart'); }); | |
map.on('touchcancel', function() { console.log('touchcancel'); }); | |
map.on('touchend', function() { console.log('touchend'); }); | |
map.on('touchmove', function() { console.log('touchmove'); }); | |
map.on('touchstart', function() { console.log('touchstart'); }); | |
map.on('webglcontextlost', function() { console.log('webglcontextlost'); }); | |
map.on('webglcontextrestored', function() { console.log('webglcontextrestored'); }); | |
map.on('zoom', function() { console.log('zoom'); }); | |
map.on('zoomend', function() { console.log('zoomend'); }); | |
map.on('zoomstart', function() { console.log('zoomstart'); }); | |
var vehicle = window.vehicle = document.querySelector('#vehicle'); | |
function draw() { | |
var point = map.project([-97.7197243, 30.263213]); | |
vehicle.style.transform = 'translate3d(' + point.x + 'px, ' + point.y + 'px, 0px)'; | |
} | |
map.on('style.load', function() { | |
map.addSource("markers", { | |
type: "geojson", | |
data: { | |
type: 'Point', | |
coordinates: [-97.7197243, 30.263213], | |
}, | |
}); | |
map.addLayer({ | |
"id": "markers", | |
"type": "circle", | |
"source": "markers", | |
"paint": { | |
"circle-color": "#a3a", | |
"circle-radius": 10, | |
} | |
}); | |
requestAnimationFrame(draw); | |
}); | |
map.on('dragstart', function() { requestAnimationFrame(draw); }); | |
map.on('dragend', function() { requestAnimationFrame(draw); }); | |
map.on('drag', function() { requestAnimationFrame(draw); }); | |
map.on('movestart', function() { requestAnimationFrame(draw); }); | |
map.on('moveend', function() { requestAnimationFrame(draw); }); | |
map.on('move', function() { requestAnimationFrame(draw); }); | |
map.on('zoomstart', function() { requestAnimationFrame(draw); }); | |
map.on('zoomend', function() { requestAnimationFrame(draw); }); | |
map.on('zoom', function() { requestAnimationFrame(draw); }); | |
</script> | |
</body> | |
</html> |
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