JSFiddle - React, Tailwind, and code Playground

by Paul West

CSS

body{
  overflow: hidden;
  margin: 0;
}

JavaScript

console.clear();

import * as THREE from "https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js";
import {OrbitControls} from "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/controls/OrbitControls.js";


let scene = new THREE.Scene();
let camera = new THREE.PerspectiveCamera(60, innerWidth / innerHeight, 1, 1000);
camera.position.set(0, 0, 10);
let renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize(innerWidth, innerHeight);
renderer.setClearColor(0x404040);
document.body.appendChild(renderer.domElement);

let controls = new OrbitControls(camera, renderer.domElement);

let g = new THREE.PlaneGeometry(10, 10, 100, 100);
let m = new THREE.PointsMaterial({
	map: new THREE.TextureLoader().load("https://threejs.org/examples/textures/758px-Canestra_di_frutta_(Caravaggio).jpg"),
  size: 0.1,
  onBeforeCompile: shader => {
  	shader.vertexShader = `
    	varying vec2 vUv;
      ${shader.vertexShader}
    `.replace(
    	`#include <begin_vertex>`,
      `#include <begin_vertex>
      	vUv = uv;
      `
    );
  	console.log(shader.vertexShader);
    shader.fragmentShader = `
    	varying vec2 vUv;
    	${shader.fragmentShader}
    `.replace(
    	`#include <map_particle_fragment>`,
      `	
      	vec4 mapTexel = texture2D( map, vUv );
				diffuseColor *= mapTexelToLinear( mapTexel );
      `
    );
    console.log(shader.fragmentShader);
  }
});
g.defines = {
	"USE_UV": ""
}
let p = new THREE.Points(g, m);
scene.add(p);

renderer.setAnimationLoop( _ => {
	renderer.render(scene, camera);
})