2025-03-11 08:25:45 +00:00
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<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<style>
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* {
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margin: 0;
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padding: 0;
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overflow: hidden;
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}
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</style>
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</head>
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<body>
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<script type="importmap">
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{
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"imports": {
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2025-03-19 03:00:22 +00:00
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"three": "./../../libs/three/build/three.module.js",
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"three/addons/": "./../../libs/three/examples/jsm/"
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2025-03-11 08:25:45 +00:00
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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// 创建场景
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const scene = new THREE.Scene();
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// 创建相机
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const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
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camera.position.z = 5;
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// 创建渲染器
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const renderer = new THREE.WebGLRenderer();
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renderer.setSize(window.innerWidth, window.innerHeight);
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document.body.appendChild(renderer.domElement);
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// 创建立方体
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const geometry = new THREE.BoxGeometry(1, 1, 1);
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const material1 = new THREE.MeshBasicMaterial({ color: 0xff0000 }); // 十六进制
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const mesh1 = new THREE.Mesh(geometry, material1);
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mesh1.position.x = -2;
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/*
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clone()
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通过克隆.clone()获得的新模型和原来的模型共享材质和几何体
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*/
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let mesh1Clone = mesh1.clone();
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mesh1Clone.position.x = 2;
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// mesh1Clone.material.color.setRGB(1,1,0)
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mesh1Clone.material.color.set(0x00ff00);
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/*
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copy()
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copy 方法会将一个对象的属性复制到另一个已经存在的对象上
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*/
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const anotherMesh = new THREE.Mesh(new THREE.BoxGeometry(2, 2, 2), new THREE.MeshBasicMaterial({ color: 0xffff00 }));
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// 将第一个网格的属性复制到第二个网格
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// anotherMesh.copy(mesh1);
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// anotherMesh.position.y += 2; // Y增加100
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// anotherMesh.position.copy(mesh1.position)
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anotherMesh.material.copy(mesh1.material)
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scene.add(mesh1, mesh1Clone, anotherMesh);
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// 添加轨道控制器
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const controls = new OrbitControls(camera, renderer.domElement);
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// 渲染函数
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function animate() {
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requestAnimationFrame(animate);
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renderer.render(scene, camera);
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}
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// 开始动画循环
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animate();
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</script>
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</body>
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</html>
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