108 lines
3.1 KiB
Vue
108 lines
3.1 KiB
Vue
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<template>
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<div ref="threeContainer"></div>
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</template>
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<script setup>
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import * as THREE from 'three';
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import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';
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import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader';
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import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';
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import { onMounted, ref } from 'vue';
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const threeContainer = ref(null);
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let camera, scene, renderer, model, controls;
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let width = 1920;
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let height = 1080;
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const init = () => {
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scene = new THREE.Scene();
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// scene.background = new THREE.Color(null);//0x100c2a
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// scene.background.setAlpha(0);
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camera = new THREE.PerspectiveCamera(75, width / height, 0.1, 2000);
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camera.position.set(0, 300, 200);
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renderer = new THREE.WebGLRenderer({
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antialias: true,
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alpha: true
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});
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renderer.setSize(width, height);
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threeContainer.value.appendChild(renderer.domElement);
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const objLoader = new OBJLoader();
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let mtlLoader = new MTLLoader();
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mtlLoader.load('/src/assets/obj/goats_R&D.mtl', function (materials) {
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materials.preload();
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objLoader.setMaterials(materials);
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objLoader.load('/src/assets/obj/goats_R&D.obj', function (obj) {
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var scale = 0.06 / obj.scale.x;
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obj.scale.set(scale, scale, scale);
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model = obj;
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const box = new THREE.Box3().setFromObject(model);
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const size = box.getSize(new THREE.Vector3())
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// console.log(size,'-----');
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obj.position.set(-size.x * 0.5, -size.y * 0.5, -size.z * 0.5);
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obj.children.forEach((child) => {
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const c = child;
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const cm = c.material;
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cm.emissive = cm.color;
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cm.emissiveMap = cm.map;
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});
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scene.add(model);
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animate();
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});
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});
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// loader.load(
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// '/src/assets/obj/goats_R&D.obj',
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// (obj) => {
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// var scale = 0.1 / obj.scale.x;
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// obj.scale.set(scale, scale, scale);
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// model = obj;
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// // 添加光照
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// // scene.add(new THREE.AmbientLight(0x404040));
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// scene.add(new THREE.DirectionalLight());
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// scene.add(model);
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// },
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// (xhr) => {
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// console.log((xhr.loaded / xhr.total * 100) + '% loaded');
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// },
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// (error) => {
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// console.error('An error happened: ', error);
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// }
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// );
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controls = new OrbitControls(camera, renderer.domElement);
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controls.enableDamping = true;
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animate();
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};
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const animate = () => {
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requestAnimationFrame(animate);
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renderer.render(scene, camera);
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controls.update();
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};
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onMounted(() => {
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init();
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window.addEventListener('resize', onWindowResize);
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});
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const onWindowResize = () => {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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};
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onMounted(() => {
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window.removeEventListener('resize', onWindowResize);
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});
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</script>
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<style>
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#threeContainer {
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width: 1920px;
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height: 1080px;
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/* 根据需要调整位置 */
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overflow: hidden;
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}
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</style>
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