Animates shuttle locations on the map #16
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RichardJSun
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Combines: - ShuttleAnimationManager for smooth shuttle animations - RouteDataManager for route data management - UI overlay with settings and developer mode buttons
- Fix Swift 6 concurrency: Use DisplayLinkTrampoline to bridge CADisplayLink - Add route polyline cache invalidation based on route key comparison - Extract magic numbers to AnimationConstants enum - Replace print() with OSLog Logger - Remove unused showSheet variable - Guard timer creation to prevent leaks on re-appear
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Animates shuttle locations on the map for a smoother user experience.
This update introduces a
ShuttleAnimationManagerthat interpolates shuttle positions between server updates, eliminating visual "jumping". It calculates projected target positions based on vehicle speed and direction, and smoothly animates the shuttle's location using CADisplayLink. A newMapUtilitiesfile provides geographic utility functions for calculating distances, bearings, and projecting points onto polylines.