引入CSS2DRendererimport{CSS2DRenderer,CSS2DObject,}from"./libs/threejs/jsm/renderers/CSS2DRenderer.js";varcamera,scene,renderer,labelRenderer;创建场景相机灯光加载模型等代码省略创建渲染器的同时创建一个CSS2DRenderer:renderer=newTHREE.WebGLRenderer({altialias:true,alpha:true});renderer.setSize(window.innerWidth,window.innerHeight);d