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fix: prevent negative left-shift when using negative zoomOffset #2133

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Merged
JaffaKetchup merged 2 commits into from
Jul 23, 2025
Merged

fix: prevent negative left-shift when using negative zoomOffset #2133

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ac99add
fix: 2127 - tile coordinate simplification with negative zoomOffset
monsieurtanuki Jul 22, 2025
283ef8c
Merge branch 'master' into fix/2127
JaffaKetchup Jul 23, 2025
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5 changes: 3 additions & 2 deletions lib/src/layer/tile_layer/tile_coordinates.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -77,10 +77,11 @@ class TileCoordinatesResolver {
if (!replicatesWorldLongitude) {
return positionCoordinates;
}
if (positionCoordinates.z < 0) {
final z = positionCoordinates.z + zoomOffset;
if (z < 0) {
return positionCoordinates;
}
final modulo = 1 << (positionCoordinates.z + zoomOffset);
final modulo = 1 << z;
int x = positionCoordinates.x;
while (x < 0) {
x += modulo;
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