From our sponsor: Market smarter with Mailchimp’s automated messaging tools. Today we are going to create an animated cloud using a custom shader material, extending the built-in Sprite material of Three.js. We’ll assume that you are familiar with React (including Hooks), Three.js and React-Three-Fiber. If not, you might find this article that I wrote as a beginner’s intro to the library helpful as a quick start. The technique that we’ll explain was used in two recent projects made at Low: 1955-Horsebit:…