examples/webgl_nodes_materialx_noise.html

<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - materialx nodes</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>
	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - MaterialX - Noise
		</div>

		<!-- Import maps polyfill -->
		<!-- Remove this when import maps will be widely supported -->
		<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/",
					"three/nodes": "./jsm/nodes/Nodes.js"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';
			import { MeshPhysicalNodeMaterial, add, mul, normalWorld, saturate, timerLocal } from 'three/nodes';

			import {
				mx_perlin_noise_float,
				mx_cell_noise_float,
				mx_worley_noise_float,
				mx_fractal_noise_float
			} from 'three/addons/nodes/materialx/functions/lib/mx_noise.js';

			import { nodeFrame } from 'three/addons/renderers/webgl/nodes/WebGLNodes.js';

			import Stats from 'three/addons/libs/stats.module.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { HDRCubeTextureLoader } from 'three/addons/loaders/HDRCubeTextureLoader.js';

			let container, stats;

			let camera, scene, renderer;

			let particleLight;
			let group;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
				camera.position.z = 1000;

				scene = new THREE.Scene();

				group = new THREE.Group();
				scene.add( group );

				new HDRCubeTextureLoader()
					.setPath( 'textures/cube/pisaHDR/' )
					.load( [ 'px.hdr', 'nx.hdr', 'py.hdr', 'ny.hdr', 'pz.hdr', 'nz.hdr' ],
						function ( hdrTexture ) {

							const geometry = new THREE.SphereGeometry( 80, 64, 32 );

							const offsetNode = timerLocal();
							const customUV = add( mul( normalWorld, 10 ), offsetNode );

							// left top

							let material = new MeshPhysicalNodeMaterial();
							material.colorNode = mx_perlin_noise_float( customUV );

							let mesh = new THREE.Mesh( geometry, material );
							mesh.position.x = - 100;
							mesh.position.y = 100;
							group.add( mesh );

							// right top

							material = new MeshPhysicalNodeMaterial();
							material.colorNode = mx_cell_noise_float( customUV );

							mesh = new THREE.Mesh( geometry, material );
							mesh.position.x = 100;
							mesh.position.y = 100;
							group.add( mesh );

							// left bottom

							material = new MeshPhysicalNodeMaterial();
							material.colorNode = mx_worley_noise_float( customUV, 1, 1 );

							mesh = new THREE.Mesh( geometry, material );
							mesh.position.x = - 100;
							mesh.position.y = - 100;
							group.add( mesh );

							// right bottom

							material = new MeshPhysicalNodeMaterial();
							material.colorNode = saturate( mul( add( mx_fractal_noise_float( mul( customUV, .2 ), 7, 2, .7 ), 1 ), .5 ) );

							mesh = new THREE.Mesh( geometry, material );
							mesh.position.x = 100;
							mesh.position.y = - 100;
							group.add( mesh );

							//

							scene.background = hdrTexture;
							scene.environment = hdrTexture;

						}

					);

				// LIGHTS

				particleLight = new THREE.Mesh(
					new THREE.SphereGeometry( 4, 8, 8 ),
					new THREE.MeshBasicMaterial( { color: 0xffffff } )
				);
				scene.add( particleLight );

				particleLight.add( new THREE.PointLight( 0xffffff, 1 ) );

				renderer = new THREE.WebGLRenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				container.appendChild( renderer.domElement );

				//

				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.toneMappingExposure = 1.25;

				//

				renderer.outputEncoding = THREE.sRGBEncoding;

				//

				stats = new Stats();
				container.appendChild( stats.dom );

				// EVENTS

				new OrbitControls( camera, renderer.domElement );

				window.addEventListener( 'resize', onWindowResize );

			}

			//

			function onWindowResize() {

				const width = window.innerWidth;
				const height = window.innerHeight;

				camera.aspect = width / height;
				camera.updateProjectionMatrix();

				renderer.setSize( width, height );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				nodeFrame.update();

				render();

				stats.update();

			}

			function render() {

				const timer = Date.now() * 0.00025;

				particleLight.position.x = Math.sin( timer * 7 ) * 300;
				particleLight.position.y = Math.cos( timer * 5 ) * 400;
				particleLight.position.z = Math.cos( timer * 3 ) * 300;

				for ( let i = 0; i < group.children.length; i ++ ) {

					const child = group.children[ i ];
					child.rotation.y += 0.005;

				}

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>