物体位移与父子元素

代码

import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'

const scene = new THREE.Scene();

const camera = new THREE.PerspectiveCamera(
  45,
  window.innerWidth / window.innerHeight,
  0.1,
  1000
)

const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)


// 创建几何体
const geometry = new THREE.BoxGeometry(1, 1, 1)
// 创建材质
const material = new THREE.MeshBasicMaterial({
  color: 0x00ff00
})
const parentMaterial = new THREE.MeshBasicMaterial({
  color: 0xff0000
})
// 创建网格
let parentCube = new THREE.Mesh(geometry, parentMaterial)
const cube = new THREE.Mesh(geometry, material)
parentCube.add(cube)

parentCube.position.set(-3, 0, 0)
cube.position.set(3, 0, 0)


// 将网格添加到场景中
scene.add(parentCube)


camera.position.z = 5;
camera.position.y = 2;
camera.position.x = 2;
camera.lookAt(0, 0, 0)


const axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);


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

controls.enableDamping = true;
controls.dampingFactor = 0.05;

// 渲染函数
function animate() {
  requestAnimationFrame(animate)
  controls.update()
  renderer.render(scene, camera)
}

animate()