vue安装three.jsnpminstall--savethree引入three.jsimport*asTHREEfrom'three'three.js结构### three.js坐标创建一个场景scene场景，camera相机，renderer渲染器创建一个场景this.scene=newTHREE.Scene()创建一个透视摄像机this.camera=newTHR