FilmReelDemoApp

iOS 16 UIKit demo of a dual-column "film reel" waterfall feed. The two columns auto-scroll in opposite directions on launch, then seamlessly switch to unified scrolling on touch or after a 3-second countdown.

Features

• UICollectionView + custom masonry layout (strong reuse)
• Reel mode with opposing column offsets
• Unified mode with no visible jump on transition
• Configurable reel speed, countdown, and offset range

Requirements

• Xcode 15+
• iOS 16+

Run

1. Open FilmReelDemoApp.xcodeproj in Xcode.
2. Select the FilmReelDemoApp scheme.
3. Run on an iOS 16+ simulator or device.

Demo

Full video: screen_recording.mp4

Configuration

Tune parameters in FilmReelDemoApp/FilmReelDemoApp/FilmReelDemo/ReelConfig.swift.

License

MIT. See LICENSE.