Animate map camera around a point
Animate the 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://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.js"></script><link href="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.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>goongjs.accessToken = '8qzxZAuxcsctSlmOszInchP1A5GrmRBHJwCBCjO6';var map = new goongjs.Map({container: 'map',style: 'https://tiles.goong.io/assets/goong_map_web.json',center: [105.81285, 21.03215],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 / secmap.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 mapvar layers = map.getStyle().layers;for (var i = 0; i < layers.length; i++) {if (layers[i].type === 'symbol' && layers[i].layout['text-field']) {// remove text labelsmap.removeLayer(layers[i].id);}} map.addLayer({'id': '3d-buildings','source': 'composite','source-layer': 'VN_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': 0.6}});});</script> </body></html>