A technical walkthrough of scroll physics, cursor interaction, and screen-space effects in a Three.js carousel.

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A detailed technical breakdown of building a scroll-driven 3D carousel using Three.js. Covers circular layout mathematics, dual-plane rendering for proper image orientation, scroll physics with lerp-based momentum, raycasting for cursor interaction, proximity-based hover effects, and post-processing shaders for chromatic aberration and distortion effects. Includes complete code examples with explanations of color space handling, coordinate transformations, and gamma correction.

The Mechanics Behind a Scroll-Driven Circular 3D Carousel with Three.js and Post-Processing

Part 1: Laying the Images Out on a Circle

Part 3: The Cursor-Dependent Interactive Layer

Part 5: Distortion & Chromatic Aberration (The Visual Boost Layer)