简书链接:threejs3D静态导入的三种方式
文章字数:416,阅读全文大约需要1分钟

参考
https://threejs.org/docs/index.html#manual/zh/introduction/Creating-a-scene
方式1

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<html>

<head>
<script type="importmap">
{
"imports": {
"three": "https://unpkg.com/[email protected]/build/three.module.js"
}
}
</script>

<script type="module">


import * as THREE from 'three';


// 创建一个场景
const scene = new THREE.Scene();


</script>
</head>
<body>

</body>
</html>

方式2

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<html>

<head>

<script type="module">

import * as THREE from 'https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js';

// 创建一个场景
const scene = new THREE.Scene();

</script>
</head>
<body>

</body>
</html>

方式3 本地导入

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<html>

<head>

<script type="module">

import * as THREE from './three0.148.0.js';//这个文件从cdn下载的

// 创建一个场景
const scene = new THREE.Scene();

</script>
</head>
<body>

</body>
</html>

157 的加载方式

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<html>

<head>
<script type="importmap">
{
"imports": {
"three": "https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js",
"three/addons/": "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/"
}
}



</script>
<!-- {
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
} -->



<script type="module">
import * as THREE from "three";
// 导入轨道控制器

// import { OrbitControls } from 'https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/controls/OrbitControls.js';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
// console.log(THREE);

// 目标:使用控制器查看3d物体

// 1、创建场景
const scene = new THREE.Scene();

// 2、创建相机
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
);

// 设置相机位置
camera.position.set(0, 0, 10);
scene.add(camera);

// 添加物体
// 创建几何体
const cubeGeometry = new THREE.BoxGeometry(1, 1, 1);
const cubeMaterial = new THREE.MeshBasicMaterial({ color: 0xffff00 });
// 根据几何体和材质创建物体
const cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
// 将几何体添加到场景中
scene.add(cube);

// 初始化渲染器
const renderer = new THREE.WebGLRenderer();
// 设置渲染的尺寸大小
renderer.setSize(window.innerWidth, window.innerHeight);
// console.log(renderer);
// 将webgl渲染的canvas内容添加到body
document.body.appendChild(renderer.domElement);

// // 使用渲染器,通过相机将场景渲染进来
// renderer.render(scene, camera);

// 创建轨道控制器
const controls = new OrbitControls(camera, renderer.domElement);

// 添加坐标轴辅助器
const axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);

function render() {
renderer.render(scene, camera);
// 渲染下一帧的时候就会调用render函数
requestAnimationFrame(render);
}

render();
</script>
</head>

<body>

</body>

</html>

某老版本131 的加载方式

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Three.js OrbitControls Example</title>
<style>
body { margin: 0; }
</style>
</head>
<body>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/examples/js/controls/OrbitControls.js"></script>

<script>
// 创建场景、相机和渲染器
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

// 创建一个立方体并将其添加到场景
const geometry = new THREE.BoxGeometry();
const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
const cube = new THREE.Mesh(geometry, material);
scene.add(cube);

// 设置相机位置和初始视角
camera.position.z = 5;

// 创建 OrbitControls 实例并将其附加到相机
const controls = new THREE.OrbitControls(camera, renderer.domElement);

// 渲染场景
function animate() {
requestAnimationFrame(animate);
cube.rotation.x += 0.01;
cube.rotation.y += 0.01;
controls.update(); // 更新OrbitControls
renderer.render(scene, camera);
}
animate();
</script>
</body>
</html>