Summary & Key Takeaways ​

• This tutorial guides users through building a unique visual effect.
• It uses Three.js and GLSL for a mouse-following square lens.
• Techniques include image distortion and RGB shifting.
• The article also covers animated shader effects.

Our Commentary ​

Codrops always delivers on the visual front. This kind of tutorial is fantastic for pushing the boundaries of what's possible in the browser. I love seeing how these complex shader effects are broken down. It's a great way to learn GLSL and Three.js by doing something genuinely cool.