Animate map camera around a point

Animate map camera around a point

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title>Animate map camera around a point</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 = '<your access token here>';
var map = new mapboxgl.Map({
    container: 'map',
    style: 'mapbox://styles/mapbox/light-v9',
    center: [-87.62712, 41.89033],
    zoom: 15.5,
    pitch: 45
});

function rotateCamera(timestamp) {
    // clamp the rotation between 0 -360 degrees
    // Divide timestamp by 100 to slow rotation to ~10 degrees / sec
    map.rotateTo((timestamp / 100) % 360, {duration: 0});
    // Request the next frame of the animation.
    requestAnimationFrame(rotateCamera);
}


map.on('load', function () {
    // Start the animation.
    rotateCamera(0);

    // Add 3d buildings and remove label layers to enhance the map
    var layers = map.getStyle().layers;
    for (var i = 0; i < layers.length; i++) {
        if (layers[i].type === 'symbol' && layers[i].layout['text-field']) {
            // remove text labels
            map.removeLayer(layers[i].id);
        }
    }

    map.addLayer({
        'id': '3d-buildings',
        'source': 'composite',
        'source-layer': 'building',
        'filter': ['==', 'extrude', 'true'],
        'type': 'fill-extrusion',
        'minzoom': 15,
        'paint': {
            'fill-extrusion-color': '#aaa',

            // use an 'interpolate' expression to add a smooth transition effect to the
            // buildings as the user zooms in
            'fill-extrusion-height': [
                "interpolate", ["linear"], ["zoom"],
                15, 0,
                15.05, ["get", "height"]
            ],
            'fill-extrusion-base': [
                "interpolate", ["linear"], ["zoom"],
                15, 0,
                15.05, ["get", "min_height"]
            ],
            'fill-extrusion-opacity': .6
        }
    });
});
</script>

</body>
</html>
Copy example