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29 lines
1.1 KiB
Dart
29 lines
1.1 KiB
Dart
// lib/dev_config.dart
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/// Developer/build-time configuration for global/non-user-tunable constants.
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const int kWorldMinZoom = 1;
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const int kWorldMaxZoom = 5;
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// Example: Default tile storage estimate (KB per tile), for size estimates
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const double kTileEstimateKb = 25.0;
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// Direction cone for map view
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const double kDirectionConeHalfAngle = 20.0; // degrees
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const double kDirectionConeBaseLength = 0.0012; // multiplier
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// Marker/camera interaction
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const int kCameraMinZoomLevel = 10; // Minimum zoom to show cameras or warning
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const Duration kMarkerTapTimeout = Duration(milliseconds: 250);
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const Duration kDebounceCameraRefresh = Duration(milliseconds: 500);
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// Tile/OSM fetch retry parameters (for tunable backoff)
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const int kTileFetchMaxAttempts = 3;
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const int kTileFetchInitialDelayMs = 4000;
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const int kTileFetchJitter1Ms = 1000;
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const int kTileFetchSecondDelayMs = 15000;
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const int kTileFetchJitter2Ms = 4000;
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const int kTileFetchThirdDelayMs = 60000;
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const int kTileFetchJitter3Ms = 5000;
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// User download max zoom span (user can download up to kMaxUserDownloadZoomSpan zooms above min)
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const int kMaxUserDownloadZoomSpan = 7;
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