antv-l7/packages/site/examples/engine/three/demo/amap_ant.js

95 lines
2.9 KiB
JavaScript

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 => {
const gltfScene = gltf.scene;
setDouble(gltfScene);
layer.adjustMeshToMap(gltfScene);
// gltfScene.scale.set(1000, 1000, 1000)
layer.setMeshScale(gltfScene, 1000, 1000, 1000);
layer.setObjectLngLat(
gltfScene,
[ center.lng, center.lat ],
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();
}
);
}
}).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;
}
}