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three.js-style
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index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style lang="css">
        * {
            margin: 0;
            padding: 0;
        }

        html,
        body {
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .canvas-box {
            width: 100%;
            height: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .cvs1,
        .cvs2 {
            border: 1px solid #ccc;
            margin: 0 20px;
        }
    </style>
</head>

<body>
    <script type="module">
        import * as THREE from 'three';
        import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';
        // 1.创建一个场景
        const scene = new THREE.Scene();
        // 2.创建一个相机
        const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
        // 移动相机位置
        camera.position.set(0, 10, 20)
        camera.lookAt(0, 0, 0)
        // 3.创建一个渲染器
        const renderer = new THREE.WebGLRenderer();
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        // 创建材质几何体
        const geometry = new THREE.SphereGeometry(2, 32, 32);
        const loader = new THREE.TextureLoader();
        // 创建材质 外观
        const material = new THREE.MeshBasicMaterial({
            color: 0xff000,
            roughness: 0.5,
            metalness: 0.5,
            // map: loader.load('./4.png')
        });
        // 结构和材质组合，生成一个物体
        const mesh = new THREE.Mesh(geometry, material);
        scene.add(mesh)

        const controls = new OrbitControls(camera, renderer.domElement);
        controls.enableDamping = true;

        function animate() {
            requestAnimationFrame(animate);//requestAnimationFrame一直掉动画，如果去掉背景图片就没有了，需要在图片的load回调中调用render函数
            controls.update()//更新轨道控制器
            renderer.render(scene, camera);
        }
        // 6.渲染
        animate();
    </script>
</body>

</html>