Cesium-Examples/examples/threeEx/1.1.23、模型加多个文字标签.html

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2025-03-11 08:25:45 +00:00
<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<style>
* {
margin: 0;
padding: 0;
}
body,
.box {
width: 100%;
background-color: #1f1f1f;
height: 100%;
}
</style>
</head>
<body>
<div class="box" id="box"></div>
<script type="importmap">
{
"imports": {
"three": "./../../three/build/three.module.js",
"three/addons/": "./../../three/examples/jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { CSS3DRenderer, CSS3DObject, CSS3DSprite } from 'three/addons/renderers/CSS3DRenderer.js';
let box = document.getElementById("box")
const scene = new THREE.Scene();// 创建场景
// 辅助线
const axesHelper = new THREE.AxesHelper(150);
scene.add(axesHelper);
// 相机
const camera = new THREE.PerspectiveCamera(); //相机
camera.position.set(400, 300, 500); //相机位置
camera.lookAt(0, 50, 40); //相机观察位置
// 渲染器
let renderer = new THREE.WebGLRenderer({})
renderer.setSize(window.innerWidth, window.innerHeight)
box.appendChild(renderer.domElement)
//css3渲染区域
let cssRenderer = new CSS3DRenderer()
cssRenderer.setSize(window.innerWidth, window.innerHeight)
cssRenderer.domElement.style.position = 'absolute'
cssRenderer.domElement.style.top = 0 + 'px'
box.appendChild(cssRenderer.domElement)
// 添加模型
const geometry1 = new THREE.BoxGeometry(10, 10, 10);
const geometry2 = new THREE.SphereGeometry(10);
const geometry3 = new THREE.CylinderGeometry(10, 10, 100);
const material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
const mesh1 = new THREE.Mesh(geometry1, material);
mesh1.position.set(0, 0, 0);
const mesh2 = new THREE.Mesh(geometry2, material);
mesh2.position.set(0, 0, 30);
const mesh3 = new THREE.Mesh(geometry3, material);
mesh3.position.set(0, 0, 60);
scene.add(mesh1);
scene.add(mesh2);
scene.add(mesh3);
// 添加文字
let tag1 = new CSS3DObject(creatDom('矩形'))
mesh1.add(tag1)
tag1.position.set(30, 0, 0);
let tag2 = new CSS3DObject(creatDom('球'))
mesh2.add(tag2)
tag2.position.set(30, 0, 0);
let tag3 = new CSS3DSprite(creatDom('圆柱体'))
mesh3.add(tag3)
tag3.position.set(30, 0, 0);
function creatDom(text) {
let div = document.createElement('div')
div.innerHTML += text
div.style.color = 'white'
return div
}
function render() {
renderer.render(scene, camera)
cssRenderer.render(scene, camera)
requestAnimationFrame(render);
}
render();
const controls = new OrbitControls(camera, cssRenderer.domElement);
controls.addEventListener('change', function () {
renderer.render(scene, camera);
cssRenderer.render(scene, camera)
});
</script>
</body>
</html>