import { Scene } from '@antv/l7'; import { GaodeMap } from '@antv/l7-maps'; import { ThreeLayer, ThreeRender } from '@antv/l7-three'; import * as THREE from 'three'; import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader'; const scene = new Scene({ id: 'map', map: new GaodeMap({ center: [ 111.4453125, 32.84267363195431 ], pitch: 45, rotation: 30, zoom: 12 }) }); scene.on('loaded', () => { scene.registerRenderService(ThreeRender); const threeJSLayer = new ThreeLayer({ enableMultiPassRenderer: false, onAddMeshes: (threeScene, layer) => { threeScene.add(new THREE.AmbientLight(0xffffff)); const sunlight = new THREE.DirectionalLight(0xffffff, 0.25); sunlight.position.set(0, 80000000, 100000000); sunlight.matrixWorldNeedsUpdate = true; threeScene.add(sunlight); const center = scene.getCenter(); const cubeGeometry = new THREE.BoxBufferGeometry(10000, 10000, 10000); const cubeMaterial = new THREE.MeshNormalMaterial({ side: THREE.DoubleSide }); const cube = new THREE.Mesh(cubeGeometry, cubeMaterial); layer.setObjectLngLat(cube, [ center.lng + 0.05, center.lat ], 0); threeScene.add(cube); // 使用 Three.js glTFLoader 加载模型 const loader = new GLTFLoader(); loader.load( 'https://gw.alipayobjects.com/os/bmw-prod/3ca0a546-92d8-4ba0-a89c-017c218d5bea.gltf', gltf => { // 根据 GeoJSON 数据放置模型 layer.getSource().data.dataArray.forEach(({ coordinates }) => { const gltfScene = gltf.scene; setDouble(gltfScene); layer.adjustMeshToMap(gltfScene); // gltfScene.scale.set(1000, 1000, 1000) layer.setMeshScale(gltfScene, 1000, 1000, 1000); layer.setObjectLngLat( gltfScene, [ coordinates[0] + 0.02, coordinates[1] ], 0 ); const animations = gltf.animations; if (animations && animations.length) { const mixer = new THREE.AnimationMixer(gltfScene); const animation = animations[2]; const action = mixer.clipAction(animation); action.play(); layer.addAnimateMixer(mixer); } // layer.setObjectLngLat(gltfScene, [center.lng + 0.05, center.lat] as ILngLat, 0) let t = 0; setInterval(() => { t += 0.01; layer.setObjectLngLat( gltfScene, [ center.lng, center.lat + Math.sin(t) * 0.1 ], 0 ); }, 16); // 向场景中添加模型 threeScene.add(gltfScene); }); // 重绘图层 layer.render(); } ); } }) .source({ type: 'FeatureCollection', features: [ { type: 'Feature', properties: {}, geometry: { type: 'Point', coordinates: [ 111.4453125, 32.84267363195431 ] } } ] }) .animate(true); scene.addLayer(threeJSLayer); }); function setDouble(object) { if (object.children && object.children.length && object.children.length > 0) { object.children.map(child => setDouble(child)); } else if (object.material) { object.material.side = THREE.DoubleSide; } }