three.js mesh user data to tsl node material

by GnanaSai

HTML

<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
    
<script type="importmap">
	{
		"imports": {
			"three": "https://unpkg.com/three/build/three.webgpu.js",
      "three/addons/": "https://unpkg.com/three/examples/jsm/"
		}
	}
</script>

CSS

body {
	margin: 0px;
}

JavaScript

// Simple three.js example

import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

import {uniform,userData} from "three"

let mesh, renderer, scene, camera, controls;
const dummy = new THREE.Object3D();

init();
animate();

async function init() {

    // renderer
    renderer = new THREE.WebGPURenderer({ antialias: true });
    renderer.setSize( window.innerWidth, window.innerHeight );
    renderer.setPixelRatio( window.devicePixelRatio );
    document.body.appendChild( renderer.domElement );

    // scene
    scene = new THREE.Scene();
    
    // camera
    camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 );
    camera.position.set( 20, 20, 20 );

    // controls
    controls = new OrbitControls( camera, renderer.domElement );
       
    const cubeGeo = new THREE.BoxGeometry()
    const materialNode = new  THREE.MeshStandardNodeMaterial()
    materialNode.colorNode = new THREE.Color(0xffaaaa)

    const cubeMesh = new  THREE.Mesh(cubeGeo, materialNode);
    
    const grp = new THREE.Group();
    scene.add(grp);
    
    for (let i = -2; i <= 2; i++) {
      const newMesh = cubeMesh.clone();
      newMesh.position.x = i * 3;
      newMesh.userData = { "color": "0xffff00" }
      grp.add(newMesh);
       }
  
 /*    materialNode.colorNode = userData("color","color"); */
    
    

    
}

function animate() {

    requestAnimationFrame( animate );
    

    renderer.renderAsync( scene, camera );

}