JSFiddle - React, Tailwind, and code Playground
by Bretto
CSS
body { margin: 0; }
JavaScript
import * as THREE from "https://cdn.skypack.dev/[email protected]";
import {OrbitControls} from "https://cdn.skypack.dev/[email protected]/examples/jsm/controls/OrbitControls.js";
import { ImprovedNoise } from 'https://cdn.skypack.dev/[email protected]/examples/jsm/math/ImprovedNoise.js';
let scene = new THREE.Scene();
let camera = new THREE.PerspectiveCamera( 75, innerWidth / innerHeight, 0.1, 1000 );
camera.position.set(0, 0, 5);
let renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize( innerWidth, innerHeight );
document.body.appendChild( renderer.domElement );
new OrbitControls(camera, renderer.domElement);
let radius = 2;
let g = new THREE.BoxGeometry(1, 1, 1);
let g2 = new THREE.BoxGeometry(1, 1, 1);
let nPos = [];
let v3 = new THREE.Vector3();
let pos = g.attributes.position;
for (let i = 0; i < pos.count; i++){
v3.fromBufferAttribute(pos, i);
nPos.push(v3.clone().normalize());
}
console.log(v3, v3.clone().normalize());
g.userData.nPos = nPos;
let m = new THREE.MeshBasicMaterial({wireframe: true});
let o = new THREE.Mesh(g, m);
scene.add(o);
let m2 = new THREE.MeshBasicMaterial({wireframe: true, color:0xff0000});
let o2 = new THREE.Mesh(g2, m2);
scene.add(o2);
let noise = new ImprovedNoise()
let clock = new THREE.Clock();
window.addEventListener("resize", () => { camera.aspect = innerWidth / innerHeight; camera.updateProjectionMatrix(); renderer.setSize(innerWidth, innerHeight)});
let f = 1;
renderer.setAnimationLoop( () => {
let t = clock.getElapsedTime() * .5;
f = Math.abs(Math.sin(t));
g.userData.nPos.forEach((p, idx) => {
let ns = noise.noise(p.x + t, p.y + t, p.z + t);
v3.copy(p).addScaledVector(p, ns* .5 * f);
pos.setXYZ(idx, v3.x, v3.y, v3.z);
})
g.computeVertexNormals();
pos.needsUpdate = true;
renderer.render(scene, camera);
})