Create a rotating globe
This example combines a globe and camera animation to create a rotating planet effect.
The rotation animation is continued indefinitely by calling easeTo
on animation end. Rotation is paused on user interaction and slows to a stop at high zoom levels.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Create a rotating globe</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.8.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.8.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
#btn-spin {
font:
bold 12px/20px 'Helvetica Neue',
Arial,
Helvetica,
sans-serif;
background-color: #3386c0;
color: #fff;
position: absolute;
top: 20px;
left: 50%;
z-index: 1;
border: none;
width: 200px;
margin-left: -100px;
display: block;
cursor: pointer;
padding: 10px 20px;
border-radius: 3px;
}
#btn-spin:hover {
background-color: #4ea0da;
}
</style>
<div id="map"></div>
<button id="btn-spin">Pause rotation</button>
<script>
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/satellite-v9',
projection: 'globe', // Display the map as a globe, since satellite-v9 defaults to Mercator
zoom: 1.5,
center: [-90, 40]
});
map.on('style.load', () => {
map.setFog({}); // Set the default atmosphere style
});
// The following values can be changed to control rotation speed:
// At low zooms, complete a revolution every two minutes.
const secondsPerRevolution = 120;
// Above zoom level 5, do not rotate.
const maxSpinZoom = 5;
// Rotate at intermediate speeds between zoom levels 3 and 5.
const slowSpinZoom = 3;
let userInteracting = false;
let spinEnabled = true;
function spinGlobe() {
const zoom = map.getZoom();
if (spinEnabled && !userInteracting && zoom < maxSpinZoom) {
let distancePerSecond = 360 / secondsPerRevolution;
if (zoom > slowSpinZoom) {
// Slow spinning at higher zooms
const zoomDif =
(maxSpinZoom - zoom) / (maxSpinZoom - slowSpinZoom);
distancePerSecond *= zoomDif;
}
const center = map.getCenter();
center.lng -= distancePerSecond;
// Smoothly animate the map over one second.
// When this animation is complete, it calls a 'moveend' event.
map.easeTo({ center, duration: 1000, easing: (n) => n });
}
}
// Pause spinning on interaction
map.on('mousedown', () => {
userInteracting = true;
});
// Restart spinning the globe when interaction is complete
map.on('mouseup', () => {
userInteracting = false;
spinGlobe();
});
// These events account for cases where the mouse has moved
// off the map, so 'mouseup' will not be fired.
map.on('dragend', () => {
userInteracting = false;
spinGlobe();
});
map.on('pitchend', () => {
userInteracting = false;
spinGlobe();
});
map.on('rotateend', () => {
userInteracting = false;
spinGlobe();
});
// When animation is complete, start spinning if there is no ongoing interaction
map.on('moveend', () => {
spinGlobe();
});
document.getElementById('btn-spin').addEventListener('click', (e) => {
spinEnabled = !spinEnabled;
if (spinEnabled) {
spinGlobe();
e.target.innerHTML = 'Pause rotation';
} else {
map.stop(); // Immediately end ongoing animation
e.target.innerHTML = 'Start rotation';
}
});
spinGlobe();
</script>
</body>
</html>
このコードスニペットは、
YOUR_MAPBOX_ACCESS_TOKEN
をあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。このexampleは役に立ちましたか?