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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
- 初始化 Viewer 或 Scene / Camera / Renderer
- 创建 OrbitControls 并处理 resize
- 搭建灯光与环境(如有)
- 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
