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| <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Mapbox GL 动画 MVP</title> <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"> <link href="https://api.mapbox.com/mapbox-gl-js/v3.14.0/mapbox-gl.css" rel="stylesheet"> <script src="https://api.mapbox.com/mapbox-gl-js/v3.14.0/mapbox-gl.js"></script> <style> body,html { margin:0; padding:0; height:100% } #map { position:absolute; top:0; bottom:0; width:100% } </style> </head> <body> <div id="map"></div> <script> mapboxgl.accessToken = 'YOUR_ACCESS_TOKEN'; const map = new mapboxgl.Map({ container: 'map', style: 'mapbox://styles/mapbox/streets-v11', center: [116.397, 39.907], zoom: 10 });
const size = 100; const pulsingDot = { width: size, height: size, data: new Uint8Array(size * size * 4), onAdd: function() { const canvas = document.createElement('canvas'); canvas.width = this.width; canvas.height = this.height; this.context = canvas.getContext('2d'); }, render: function() { const t = (performance.now() % 1000) / 1000; const radius = size / 2 * 0.3; const outerRadius = size / 2 * 0.7 * t + radius; const ctx = this.context; ctx.clearRect(0, 0, this.width, this.height);
ctx.beginPath(); ctx.arc(size/2, size/2, outerRadius, 0, Math.PI * 2); ctx.fillStyle = `rgba(255, 200, 200, ${1 - t})`; ctx.fill();
ctx.beginPath(); ctx.arc(size/2, size/2, radius, 0, Math.PI * 2); ctx.fillStyle = 'rgba(255, 100, 100, 1)'; ctx.strokeStyle = 'white'; ctx.lineWidth = 2 + 2 * (1 - t); ctx.fill(); ctx.stroke();
this.data = ctx.getImageData(0, 0, this.width, this.height).data; map.triggerRepaint(); return true; } };
map.on('load', () => { map.addImage('pulsing-dot', pulsingDot, { pixelRatio: 2 }); map.addSource('dot-point', { type: 'geojson', data: { type: 'FeatureCollection', features: [{ type:'Feature', geometry: { type:'Point', coordinates:[116.397,39.907] } }] } }); map.addLayer({ id: 'layer-with-pulsing-dot', type: 'symbol', source: 'dot-point', layout: { 'icon-image': 'pulsing-dot' } });
map.addSource('random-points', { type: 'geojson', data: generateRandomPoints(), cluster: true, clusterMaxZoom: 14, clusterRadius: 50 }); map.addLayer({ id: 'clusters', type: 'circle', source: 'random-points', filter: ['has', 'point_count'], paint: { 'circle-color': [ 'step',['get','point_count'], '#51bbd6', 10, '#f1f075', 30, '#f28cb1' ], 'circle-radius': [ 'step',['get','point_count'], 15, 10, 25, 30, 35 ] } }); map.addLayer({ id: 'cluster-count', type: 'symbol', source: 'random-points', filter: ['has', 'point_count'], layout: { 'text-field': ['get','point_count'], 'text-size': 12 } }); map.addLayer({ id: 'unclustered-point', type: 'circle', source: 'random-points', filter: ['!', ['has','point_count']], paint: { 'circle-color': '#11b4da', 'circle-radius': 6, 'circle-stroke-width': 1, 'circle-stroke-color': '#fff' } }); });
function generateRandomPoints() { const features = []; for (let i = 0; i < 2000; i++) { const lon = 116.2 + (Math.random() * 0.4); const lat = 39.8 + (Math.random() * 0.4); features.push({ type:'Feature', geometry:{type:'Point', coordinates:[lon,lat]} }); } return { type:'FeatureCollection', features }; } </script> </body> </html>
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