Threejs 实现 VR 看房完结
效果：
threejs 3d Vr 看房
gitee 地址：
threejs-3d-map: 1、threejs 实现3d 地图效果链接：https://blog.csdn.net/qq_57952018/article/details/1430539902、threejs 实现 vr 看房
主要代码：
src/views/PanoramicView/index.vue
<script setup>
import {computed, onMounted, onUnmounted, reactive, ref} from 'vue'
import * as THREE from 'three'
// 引入轨道控制器扩展库OrbitControls.js
import {OrbitControls} from 'three/addons/controls/OrbitControls.js';
import {rooms} from './data.js';
import TWEEN from 'three/examples/jsm/libs/tween.module.js';
import Animations from "@/utils/animations.js";let animationId
let tick;
const data = reactive({renderer: null,camera: null,scene: null,controls: null,cameraZAxis: 2,currentRoom: 'living-room',
});// 获取交互点的信息
const interactivePoints = computed(() => {const res = [];rooms.forEach((room) => {if (room.interactivePoints && room.interactivePoints.length > 0) {room.interactivePoints.forEach((point) => {point = {room: room.key,...point,};res.push(point);});}});return res;
});const container = ref(null)
// 拿到页面的宽高
const width = window.innerWidth, height = window.innerHeight;// 创建场景
let scene = new THREE.Scene();
// 将背景颜色设置为白色
scene.background = new THREE.Color("#000000");
data.scene = scene;// 创建相机
let camera = new THREE.PerspectiveCamera(70, width / height, 0.01, 1000);
// 设置相机位置
camera.position.z = data.cameraZAxis;
data.camera = camera;// // 辅助线 AxesHelper
const axesHelper = new THREE.AxesHelper(500);
scene.add(axesHelper);// 初始化渲染器
let renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setSize(width, height);
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
data.renderer = renderer;// 设置相机控件轨道控制器OrbitControls
const controls = new OrbitControls(camera, renderer.domElement);
//阻尼 更真实
controls.enableDamping = true
// controls.enablePan = false;
// 缩放限制
controls.maxDistance = 12;
data.controls = controls;// 监听浏览器窗口的大小变化 重新调整渲染器的大小
window.addEventListener('resize', onWindowResize);// 更新渲染器大小以匹配新的浏览器窗口尺寸
function onWindowResize() {camera.aspect = window.innerWidth / window.innerHeight;camera.updateProjectionMatrix();renderer.setSize(window.innerWidth, window.innerHeight);
}const textLoader = new THREE.TextureLoader();// 加载每个房间 （客厅、卧室、书房）
const createRoom = (name, position, map) => {// 创建球状 为了做全景const geometry = new THREE.SphereGeometry(16, 256, 256);// z轴的-1 代表将外面的体图放在内侧geometry.scale(1, 1, -1);const material = new THREE.MeshBasicMaterial({// 加载纹理贴图map: textLoader.load(map),side: THREE.DoubleSide,});const room = new THREE.Mesh(geometry, material);room.name = name;room.position.set(position.x, position.y, position.z);room.rotation.y = Math.PI / 2;scene.add(room);return room;
}const initRoom = () => {
// 创建网格对象rooms.map((item) => {return createRoom(item.key, item.position, item.map);});// 添加交互点const raycaster = new THREE.Raycaster();// 室内悬浮标记物const _points = interactivePoints.value.map((item, index) => ({...item,element: document.querySelector(`.point-${index}`),}));// 动画tick = () => {if (renderer) {for (const point of _points) {// 获取2D屏幕位置const screenPosition = point.position.clone();const pos = screenPosition.project(camera);raycaster.setFromCamera(screenPosition, camera);const intersects = raycaster.intersectObjects(scene.children, true);if (intersects.length === 0) {// 未找到相交点，显示point.element.classList.add('visible');} else {// 找到相交点// 获取相交点的距离和点的距离const intersectionDistance = intersects[0].distance;const pointDistance = point.position.distanceTo(camera.position);// 相交点距离比点距离近，隐藏；相交点距离比点距离远，显示intersectionDistance < pointDistance? point.element.classList.remove('visible'): point.element.classList.add('visible');}pos.z > 1? point.element.classList.remove('visible'): point.element.classList.add('visible');const translateX = screenPosition.x * window.innerWidth * 0.5;const translateY = -screenPosition.y * window.innerHeight * 0.5;point.element.style.transform = `translateX(${translateX}px) translateY(${translateY}px)`;}}controls && controls.update();TWEEN && TWEEN.update();// 更新渲染器renderer && renderer.render(scene, camera);// 页面重绘时调用自身window.requestAnimationFrame(tick);};tick();
}// 点击交互点
const handleReactivePointClick = (point) => {window.alert('你点击了' + point.value)
};// 点击切换场景
const handleSwitchButtonClick = async (key) => {const room = rooms.filter((item) => item.key === key)[0];if (data.camera) {const x = room.position.x;const y = room.position.y;const z = room.position.z;// 加载切换动画Animations.animateCamera(data.camera, data.controls, { x, y, z: data.cameraZAxis }, { x, y, z }, 1600, () => {});data.controls.update();}await sleep(1600);data.currentRoom = room.key;
};const sleep = (duration) => new Promise((resolve) => {setTimeout(resolve, duration);
});// 渲染页面
const render = () => {if (!renderer) return// 将场景（scene）和摄像机（camera 加入进来）renderer.render(scene, camera)// 渲染下一帧的时候会调用render函数animationId = requestAnimationFrame(render)controls.update()
}const initLight = () => {// 基本光源const ambLight = new THREE.AmbientLight('#ffffff', 0.3)/*** 设置聚光灯相关的的属性*/const spotLight = new THREE.SpotLight(0xFFFFFF); // 聚光灯spotLight.position.set(40, 200, 10);spotLight.castShadow = true; // 只有该属性为true时，该点光源允许产生阴影，并且下列属性可用scene.add(ambLight, spotLight); // 向场景中添加光源
}onMounted(() => {// 添加物体到场景initRoom()// 渲染// render()// 设置环境光initLight()// 将渲染加入到页面上container.value.appendChild(renderer.domElement);
})
onUnmounted(() => {window.removeEventListener('resize', onWindowResize)// 销毁 Three.js 实例，清理内存if (renderer) {if (renderer.domElement && renderer.domElement.parentNode) {renderer.domElement.parentNode.removeChild(renderer.domElement);}renderer.dispose();renderer = null;}if (data.scene) {data.scene.traverse((object) => {if (object.geometry) object.geometry.dispose();if (object.material) {if (Array.isArray(object.material)) {object.material.forEach((material) => material.dispose());} else {object.material.dispose();}}});data.scene = null;}if (data.controls) {data.controls = null}data.camera = null;
})
</script><template><div class="home"><div ref="container"></div><div class="vr"><span class="box"><i class="icon"></i><b class="text">全景漫游</b></span></div><!-- 场景切换点 --><div class="switch"><span class="button" v-for="(room, index) in rooms" :key="index" @click="handleSwitchButtonClick(room.key)"v-show="room.key !== data.currentRoom"><b class="text">{{ room.name }}</b><i class="icon"></i></span></div><!-- 交互点 --><divclass="point"v-for="(point, index) in interactivePoints":key="index":class="[`point-${index}`, `point-${point.key}`]"@click="handleReactivePointClick(point)"v-show="point.room === data.currentRoom"><div class="label" :class="[`label-${index}`, `label-${point.key}`]"><label class="label-tips"><div class="cover"><iclass="icon":style="{background: `url(${point.cover}) no-repeat center`,'background-size': 'contain',}"></i></div><div class="info"><p class="p1">{{ point.value }}</p><p class="p2">{{ point.description }}</p></div></label></div></div></div>
</template><style lang="css" scoped>
.home {position: relative;.vr {position: fixed;top: 0;left: 0;z-index: 11;-webkit-animation: slideInLeft 1s .15s;animation: slideInLeft 1s .15s;-webkit-animation-fill-mode: both;animation-fill-mode: both;.box {background: rgba(0, 0, 0, .3);-webkit-backdrop-filter: blur(8px);backdrop-filter: blur(8px);display: flex;align-items: center;justify-content: space-around;overflow: hidden;padding: 4px 20px;border-radius: 0 0 16px 0;border: 1px groove rgba(255, 255, 255, .3);border-top: none;border-left: none;box-shadow: 0 1px 4px rgba(0, 0, 0, .1);.icon {display: inline-block;height: 64px;width: 64px;background: url('@/assets/images/home/vr.png') no-repeat center;background-size: contain;margin-right: 12px;}.text {font-size: 24px;color: #ffffff;display: inline-block;font-weight: 500;}}}.switch {position: fixed;right: 24px;top: 40%;z-index: 11;-webkit-animation: slideInRight 1s .3s;animation: slideInRight 1s .3s;-webkit-animation-fill-mode: both;animation-fill-mode: both;.button {display: block;background: rgba(27, 25, 24, .5);border-radius: 12px;display: flex;align-items: center;padding: 12px 8px 12px 24px;-webkit-backdrop-filter: blur(4px);-moz-backdrop-filter: blur(4px);backdrop-filter: blur(4px);cursor: pointer;transition: all .25s ease-in-out;.text{color: rgba(255, 255, 255, 1);font-size: 24px;font-weight: 600;}&:not(last-child) {margin-bottom: 48px;}.icon {display: inline-block;height: 30px;width: 30px;background: url('@/assets/images/home/icon_arrow.png') no-repeat center;background-size: 100% 100%;transform: rotate(180deg);margin-left: 8px;}&:hover {background: rgba(27, 25, 24, .2);box-shadow: 1px 1px 2px rgba(0, 0, 0, .2);}}}.point {position: fixed;top: 50%;left: 50%;z-index: 10;.label {position: absolute;top: -16px;left: -16px;width: 20px;height: 20px;border-radius: 50%;background: rgba(255, 255, 255, 1);text-align: center;line-height: 32px;font-weight: 100;font-size: 14px;cursor: help;transform: scale(0, 0);transition: all 0.3s ease-in-out;backdrop-filter: blur(4px);&::before, &::after {display: inline-block;content: '';background: rgba(255, 255, 255, 1);;height: 100%;width: 100%;border-radius: 50%;position: absolute;left: 50%;top: 50%;margin-left: -10px;margin-top: -10px;}&::before {animation: bounce-wave 1.5s infinite;}&::after {animation: bounce-wave 1.5s -0.4s infinite;}.label-tips {height: 88px;width: 200px;overflow: hidden;position: absolute;top: -32px;right: -220px;font-size: 32px;background: rgba(255, 255, 255, .6);border: 1px groove rgba(255, 255, 255, .5);-webkit-backdrop-filter: blur(4px);-moz-backdrop-filter: blur(4px);backdrop-filter: blur(4px);border-radius: 16px;display: flex;justify-content: space-between;align-content: center;box-shadow: 1px 1px 2px rgba(0, 0, 0, .1);.cover {width: 80px;height: 100%;.icon {display: inline-block;height: 100%;width: 100%;filter: drop-shadow(1px 1px 4px rgba(0, 0, 0, .1));}}.info {width: calc(100% - 80px);height: 100%;overflow: hidden;padding-left: 12px;p {overflow: hidden;text-overflow: ellipsis;text-align: left;text-shadow: 0 1px 1px rgba(0, 0, 0, .1);&.p1 {font-size: 24px;color: #1D1F24;font-weight: 800;margin: 12px 0 2px;}&.p2 {font-size: 18px;color: #00aa47;font-weight: 500;}}}}&.label-sofa {.label-tips {left: -220px;flex-direction: row-reverse;.info {padding: 0 12px 0 0;p {text-align: right}}}}}.text {position: absolute;top: 30px;left: -120px;width: 200px;padding: 20px;border-radius: 4px;background: rgba(0, 0, 0, .6);border: 1px solid #ffffff;color: #ffffff;line-height: 1.3em;font-weight: 100;font-size: 14px;opacity: 0;transition: opacity 0.3s;pointer-events: none;text-align: justify;text-align-last: left;}&:hover .text {opacity: 1;}&.visible .label {transform: scale(1, 1)}}
}.animate-point-wave::before {content: '';animation: bounce-wave 1.5s infinite;
}
.animate-point-wave::after {content: '';animation: bounce-wave 1.5s -0.4s infinite;
}@keyframes bounce-wave {0% {transform: scale(1);opacity: 1;}100% {transform: scale(3.6);opacity: 0;}
}
</style>src/views/PanoramicView/data.js
/* eslint-disable */
import { Vector3 } from 'three';export const rooms = [{name: '客厅',key: 'living-room',map: new URL('@/assets/images/map/map_living_room.jpg', import.meta.url).href,showSwitch: true,position: new Vector3(0, 0, 0),interactivePoints: [{key: 'tv',value: '电视机',description: '智能电视',cover: new URL('@/assets/images/home/cover_living_room_tv.png', import.meta.url).href,position: new Vector3(-6, 2, -8),},{key: 'fridge',value: '冰箱',description: '豪华冰箱',cover: new URL('@/assets/images/home/cover_living_room_fridge.png', import.meta.url).href,position: new Vector3(-12, 4, 9),},{key: 'sofa',value: '沙发',description: '舒适沙发',cover: new URL('@/assets/images/home/cover_living_room_sofa.png', import.meta.url).href,position: new Vector3(6, 0, -8),},],},{name: '卧室',key: 'bed-room',map: new URL('@/assets/images/map/map_bed_room.jpg', import.meta.url).href,showSwitch: true,position: new Vector3(-32, 0, 0),interactivePoints: [{key: 'bed',value: '床',description: '温暖的床',cover: new URL('@/assets/images/home/cover_bed_room_bed.png', import.meta.url).href,position: new Vector3(-38, 2, -14),},],},{name: '书房',key: 'study-room',map: new URL('@/assets/images/map/map_study_room.jpg', import.meta.url).href,showSwitch: true,position: new Vector3(32, 0, 0),interactivePoints: [{key: 'art',value: '艺术品',description: '绝版作品',cover: new URL('@/assets/images/home/cover_study_room_art.png', import.meta.url).href,position: new Vector3(42, 6, -8),},]},
];
部分内容借鉴：
https://juejin.cn/post/7215268204062490679