坐标辅助器与轨道控制器

代码

import * as THREE from 'three'
// 导入轨道控制器
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)

const geometry = new THREE.BoxGeometry(1, 1, 1)

const material = new THREE.MeshBasicMaterial({
  color: 0x00ff00
})

const cube = new THREE.Mesh(geometry, material)


scene.add(cube)

// 设置相机位置
camera.position.z = 5;
camera.position.y = 2;
camera.position.x = 2;
camera.lookAt(0, 0, 0)

// 添加世界坐标辅助器
const axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);

// 添加轨道控制器
const controls = new OrbitControls(camera, renderer.domElement);
// 设置带阻尼的惯性
controls.enableDamping = true;
// 设置阻尼系数
controls.dampingFactor = 0.05;
// 设置旋转速度
// controls.rotateSpeed = 0.05;
// 设置自动旋转
controls.autoRotate = true;


function animate() {
  requestAnimationFrame(animate)
  controls.update()

  renderer.render(scene, camera)
}

animate()