Build a scroll-driven WebGL hero in 30 lines
This article provides a tutorial on creating a scroll-driven WebGL hero section using just 30 lines of JavaScript. It explains how to morph between two images based on scroll position, with a focus on user experience during the transition. The tutorial is straightforward, requiring minimal setup and no frameworks.
- ▪The tutorial builds a scroll-driven WebGL hero in about 30 lines of JavaScript.
- ▪It uses two images and a shader that morphs between them based on scroll position.
- ▪The implementation requires two small npm packages and plain HTML without any frameworks.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3935266) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } TommyDee Posted on May 23 Build a scroll-driven WebGL hero in 30 lines #javascript #webdev #webgl #tutorial Hero sections that respond to scroll are one of those features that look complicated and actually aren't, once you have the right pieces. Two images, a shader that morphs between them, scroll position drives the morph. That's it. The rest is plumbing. This tutorial builds exactly that — a scroll-driven WebGL hero — in about 30 lines of JavaScript.
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