地图视角连续变换
地图连续飞行实现视角变换。

   <!DOCTYPE html>
   <html>
   <head>
       <meta charset="utf-8"/>
       <title>地图视角连续变换</title>
       <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"/>
       <style>
           body {
               margin: 0;
               padding: 0;
           }
   
           #map {
               position: absolute;
               top: 0;
               bottom: 0;
               width: 100%;
           }
  
            .btn-group {
                   position: absolute;
                   top: 20px;
                   left: 20px;
               }
       </style>
       <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.1.1/mapmost-webgl-min.js"></script>
   </head>
   <body>
   <div id="map"></div>
   <div class="btn-group">
        <button onClick="changeViewers()">连续切换视角</button>
   </div>
   <script>
   
       var map = new mapmost.Map({
           container: 'map',  
           style: "<your style url>", 
           center: [120.72541613154851, 31.31171803927643], 
           zoom: 14, 
           userId: '***', // 授权码
       });
   
       let locations = [
            {
                center: [120.72, 31.4],
                zoom: 17,
                bearing: 40,
                pitch: 60
            }, {
                center: [120.9, 31.4],
                zoom: 17,
                bearing: 30,
                pitch: 80
            }, {
                center: [120.72541613154851, 31.31171803927643],
                zoom: 17,
                bearing: 48,
                pitch: 50
            }]
    
       function changeViewers() {
            let count = 0;
            changeViewer(locations[count])
    
            let moveFunc = function () {
                    changeViewer(locations[count++])
            };
    
            map.on('moveend', moveFunc);
        }
    
    
       function changeViewer(location) {
            map.flyTo({
                ...location,
                speed: 0.8,
                curve: 1,
                easing(t) {
                    return t;
                }
            });
        }
   
   </script>
   </body>
   </html>