three.js (v32) - Three.js 是一款运行在浏览器中的 3D 引擎，你可以用它在 web 中创建各种三维场景，包括了摄影机、光影、材质等各种对象。

https://cdn.bootcdn.net/ajax/libs/three.js/32/Three.js

https://cdn.bootcdn.net/ajax/libs/three.js/32/Three.min.js

https://cdn.bootcdn.net/ajax/libs/three.js/32/ThreeDebug.js

https://cdn.bootcdn.net/ajax/libs/three.js/32/ThreeDebug.min.js

https://cdn.bootcdn.net/ajax/libs/three.js/32/ThreeExtras.js

https://cdn.bootcdn.net/ajax/libs/three.js/32/ThreeExtras.min.js