Had fun making this smoke cloud for a work project.
Derived from then expanded upon: https://codepen.io/teolitto/pen/KwOVvL
A Pen by Sean Dempsey on CodePen.
Created
January 9, 2019 19:56
-
-
Save synecdocheNORTH/4b4f79fa8e68568ec19c4d743c756b78 to your computer and use it in GitHub Desktop.
Three.js Smoke Cloud
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let cam, scene, renderer, | |
| clock, smokeMaterial, | |
| h, w, | |
| smokeParticles = []; | |
| const animate = () => { | |
| let delta = clock.getDelta(); | |
| requestAnimationFrame(animate); | |
| [].forEach.call(smokeParticles, sp => { | |
| sp.rotation.z += delta * 0.2; | |
| }); | |
| renderer.render(scene, cam); | |
| }, | |
| resize = () => { | |
| renderer.setSize(window.innerWidth, window.innerHeight); | |
| }, | |
| lights = () => { | |
| const light = new THREE.DirectionalLight(0xffffff, 0.5); | |
| clock = new THREE.Clock(); | |
| renderer = new THREE.WebGLRenderer(); | |
| renderer.setClearColor(0x00547f, 1); | |
| renderer.setSize(w, h); | |
| scene = new THREE.Scene(); | |
| light.position.set(-1, 0, 1); | |
| scene.add(light); | |
| }, | |
| camera = () => { | |
| cam = new THREE.PerspectiveCamera( | |
| 75, | |
| w / h, | |
| 1, | |
| 10000 | |
| ); | |
| cam.position.z = 1000; | |
| scene.add(cam); | |
| }, | |
| action = () => { | |
| const loader = new THREE.TextureLoader(); | |
| loader.crossOrigin = ''; | |
| loader.load( | |
| 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/82015/blue-smoke.png', | |
| function onLoad(texture) { | |
| const smokeGeo = new THREE.PlaneBufferGeometry(300, 300); | |
| smokeMaterial = new THREE.MeshLambertMaterial({ | |
| map: texture, | |
| transparent: true | |
| }); | |
| for (let p = 0, l = 350; p < l; p++) { | |
| let particle = new THREE.Mesh(smokeGeo, smokeMaterial); | |
| particle.position.set( | |
| Math.random() * 500 - 250, | |
| Math.random() * 500 - 250, | |
| Math.random() * 1000 - 100 | |
| ); | |
| particle.rotation.z = Math.random() * 360; | |
| scene.add(particle); | |
| smokeParticles.push(particle); | |
| } | |
| animate(); | |
| } | |
| ); | |
| }, | |
| init = () => { | |
| h = window.innerHeight; | |
| w = window.innerWidth; | |
| lights(); //💡 | |
| camera(); // 🎥 | |
| action(); // 🎬 | |
| document.body.appendChild(renderer.domElement); | |
| window.addEventListener('resize', resize); | |
| }; | |
| init(); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/97/three.min.js"></script> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| html, | |
| body { | |
| overflow: hidden; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment