创建vue项目步骤忽略…
引入threejs方式【模块式开发】
import * as THREE from "three";
其他类库引入方式例如:
import { RenderPass } from "three/examples/jsm/postprocessing/RenderPass";
import { UnrealBloomPass} from "three/examples/jsm/postprocessing/UnrealBloomPass";
import { ShaderPass } from "three/examples/jsm/postprocessing/ShaderPass";
import { EffectComposer } from "three/examples/jsm/postprocessing/EffectComposer";
import { CopyShader } from "three/examples/jsm/shaders/CopyShader";