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Add custom fog to a map

This example uses setFog to add a custom atmosphere effect to a map. It transitions between night and day to change the mood of the environment.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Add custom fog to a map</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.7.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.7.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
(async () => {
const map = new mapboxgl.Map({
container: 'map',
zoom: 13,
center: [6.6301, 45.35625],
pitch: 80,
bearing: 160,
interactive: false,
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/satellite-v9'
});

await map.once('style.load');

// Add daytime fog
map.setFog({
'range': [-1, 2],
'horizon-blend': 0.3,
'color': 'white',
'high-color': '#add8e6',
'space-color': '#d8f2ff',
'star-intensity': 0.0
});

// Add 3D terrain
map.addSource('mapbox-dem', {
'type': 'raster-dem',
'url': 'mapbox://mapbox.terrain-rgb',
'tileSize': 512,
'maxzoom': 14
});
map.setTerrain({
'source': 'mapbox-dem',
'exaggeration': 1.5
});

// Run a timing loop to switch between day and night
await map.once('idle');

let lastTime = 0.0;
let animationTime = 0.0;
let cycleTime = 0.0;
let night = true;

const initialBearing = map.getBearing();

function frame(time) {
const elapsedTime = (time - lastTime) / 1000.0;

animationTime += elapsedTime;
cycleTime += elapsedTime;

if (cycleTime >= 10.0) {
if (night) {
// night fog styling
map.setFog({
'range': [-1, 2],
'horizon-blend': 0.3,
'color': '#242B4B',
'high-color': '#161B36',
'space-color': '#0B1026',
'star-intensity': 0.8
});
} else {
// day fog styling
map.setFog({
'range': [-1, 2],
'horizon-blend': 0.3,
'color': 'white',
'high-color': '#add8e6',
'space-color': '#d8f2ff',
'star-intensity': 0.0
});
}

night = !night;
cycleTime = 0.0;
}

const rotation = initialBearing + animationTime * 2.0;
map.setBearing(rotation % 360);

lastTime = time;

window.requestAnimationFrame(frame);
}

window.requestAnimationFrame(frame);
})();
</script>

</body>
</html>
このexampleは役に立ちましたか?