JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://threejs.org/build/three.min.js"></script>

JavaScript

class Animator {
    constructor(frame_set, delay) {     
      this.count = 0;
      this.delay = delay;
      this.frame_set = frame_set;// animation frames
      this.frame_index = 0;// playhead
      this.frame_value = frame_set[0];// current frame
    }
    animate() {
      this.count ++;
      if (this.count > this.delay) {
        this.count = 0;
        this.frame_index = (this.frame_index == this.frame_set.length - 1) ? 0 : this.frame_index + 1;
        this.frame_value = this.frame_set[this.frame_index];
      }
    }
  }
let camera, scene, renderer, clock, spritesheet,map,map_columns,map_rows;

const cols = 8; // amount of columns
const rows = 3;  // amount of rows
const totalCount = 24; // amount of images of sprite sheet
const fps = 1; // how many images are shown per second

init();
animate();

function init() {
map = [ 6, 0,22, 8, 8,21, 1, 5, 0,22,
    20,14,21, 8, 8,21, 8,12, 7,22,
    21,22,21, 8, 8,22, 8,19,14,21,
     0, 1, 5,15,15, 0, 8,21,22,22,
     7, 8,12,13,13, 7, 8,22, 1, 1,
    14, 8,12,13,13, 7, 8,21, 8, 8,
    22, 8,19,20,20,14, 8,21, 8, 8,
    21, 8,21,22,21,21, 8, 5,15,15,
     1, 8, 1, 5, 0,21, 8,19,20,20,
     8, 8, 8,12, 7,21, 8,21,22,21];

map_columns = 10;
map_rows    = 10;
tile_size = 144;
    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.z = 1;

    scene = new THREE.Scene();
		scene.background = new THREE.Color( 0xffffff );
		
		clock = new THREE.Clock();
		
		const loader = new THREE.TextureLoader();
		spriteSheet = loader.load( 'https://i.imgur.com/wucpG7e.png' );
		spriteSheet.minFilter = THREE.LinearFilter;
		
		spriteSheet.repeat.x = 1 / cols;
		spriteSheet.repeat.y = 1 / rows;

    const geometry = new THREE.PlaneBufferGeometry();
    const material = new THREE.MeshBasicMaterial( { map: spriteSheet } );
    console.log(material);
    
    const mesh = new THREE.Mesh( geometry, material );
    scene.add( mesh );

    renderer = new THREE.WebGLRenderer(...