版本：9.3.0
三维场景相机获取

获取三维场景中相机对象，并在控制台输出。
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>三维场景相机获取</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%;
        }
    </style>
    <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.3.0/mapmost-webgl-min.js"></script>
</head>
<body>
<div id="map"></div>
<script>
    let map = new mapmost.Map({
        container: 'map',  
        style: "<your style url>", 
        center: [120.67400351817594, 31.321374251251726], 
        zoom: 15.310035105070947, 
        pitch: 59.48725112156901, 
        bearing: -54.10626584095007, 
        userId: '***', // 授权码
        env3D: {
            exposure: 2.8,
            envMap: '../example_data/hdr/WhiteBG_Ref_1K.hdr'
        }
    });

    map.on('load', function () {

        let models_obj = ["../example_data/jinji_plaza_eastern_door_building.glb"].map(item => ({
            type: 'glb',
            url: item
        }));

        let options = {
            id: 'model_id',
            type: 'model',
            models: models_obj,
            center: [120.67727020663829, 31.31997024841401],
            callback: function (group, layer) {
                    let camera = layer.getCamera();
                    console.log(camera);
             }
        };
        map.addLayer(options);
    })
</script>
</body>
</html>