JSFiddle - React, Tailwind, and code Playground

HTML

<script async src="https://unpkg.com/es-module-shims@1.6.3/dist/es-module-shims.js"></script>

<script type="importmap">
  {
    "imports": {
      "three": "https://unpkg.com/three@0.155.0/build/three.module.js",
      "three/addons/": "https://unpkg.com/three@0.155.0/examples/jsm/"
    }
  }
</script>

JavaScript

import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
import { SSAARenderPass } from 'three/addons/postprocessing/SSAARenderPass.js';
import { GammaCorrectionShader } from 'three/addons/shaders/GammaCorrectionShader.js';
import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js';
import { CopyShader } from 'three/addons/shaders/CopyShader.js';
import { RGBELoader } from 'three/addons/loaders/RGBELoader';


let renderer, camera, scene, orbit;
let composer, renderPass, gammaCorrection, SSAA;
let mesh, ground, hemi, light;
let loader;

let init = () => {

  const w = window.innerWidth;
  const h = window.innerHeight;

  const renderer = new THREE.WebGLRenderer({

    antialias: true,
    alpha: true,
    logarithmicDepthBuffer: true,
  });
  renderer.outputColorSpace = THREE.SRGBColorSpace;
  renderer.toneMapping = THREE.ACESFilmicToneMapping;
  renderer.toneMappingExposure = 1.5;
  renderer.shadowMap.enabled = true;
  renderer.useLegacyLights = false;

  // Setting max to 2 due to performance considerations.
  renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));

  renderer.setSize(w, h);
	renderer.setClearColor(0xDDDDDD);
  
  document.body.appendChild(renderer.domElement);
    
  scene = new THREE.Scene()
  
  camera = new THREE.PerspectiveCamera(40, w / h, 1, 1000);
  camera.position.set(0, 5, -10);
  
  orbit = new OrbitControls(camera, renderer.domElement);
  
  // POST PROCESSING
  
  composer = new EffectComposer(renderer);
  composer.setSize(w, h);
  
  gammaCorrection = new ShaderPass(GammaCorrectionShader);
  
  SSAA = new SSAARenderPass(scene, camera, 0x000000, 0);
  SSAA.setSize(w, h);
  SSAA.unbiased = true;
  SSAA.sampleLevel = 5;
  
  renderPass = new...