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球体文字

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▶ 在线运行案例

球体文字

你将学到什么

  • Scene / Camera / Renderer 渲染管线
  • 相机交互控制器

效果说明

Three.js WebGL 场景。打开在线案例可查看最终画面。

核心概念

  • Scene 容纳对象,Camera 定义视点,WebGLRenderer 输出 canvas。
  • OrbitControls 轨道旋转缩放;开启阻尼时每帧 controls.update()

实现步骤

  1. 初始化 Viewer 或 Scene / Camera / Renderer
  2. 创建 OrbitControls 并处理 resize
  3. 搭建灯光与环境(如有)
  4. requestAnimationFrame 循环 update + render

代码要点

js
const DOM = document.getElementById('box')
const scene = new THREE.Scene()
const camera = new THREE.PerspectiveCamera(75, DOM.clientWidth / DOM.clientHeight, 0.1, 1000)
camera.position.set(1, 2, 3)
const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true, logarithmicDepthBuffer: true })
renderer.setSize(DOM.clientWidth, DOM.clientHeight)
DOM.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true

const scene = new THREE.Scene()
const camera = new THREE.PerspectiveCamera(75, DOM.clientWidth / DOM.clientHeight, 0.1, 1000)
camera.position.set(1, 2, 3)
const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true, logarithmicDepthBuffer: true })
renderer.setSize(DOM.clientWidth, DOM.clientHeight)
DOM.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)

// ...

完整源码:GitHub

小结

应用场景 · Three.js · 26/68