rue
            // animation: true
        });
        threeLayer.prepareToDraw = function (gl, scene, camera) {
            var light = new THREE.DirectionalLight(0xffffff);
            light.position.set(0, -10, 10).normalize();
            scene.add(light);
            camera.add(new THREE.PointLight('#fff', 4));

            addGltf();

        };

        const baseLayer = new maptalks.TileLayer('tile', {
            urlTemplate: 'https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png',
           