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disable extendBounds if map is zoomed out far

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johan12345
2025-05-17 18:04:50 +02:00
parent 2e29e1f108
commit 4c202d7ff2
1 changed files with 9 additions and 4 deletions
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13
app/src/main/java/net/vonforst/evmap/viewmodel/MapViewModel.kt
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@@ -471,12 +471,17 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
private fun extendBounds(bounds: LatLngBounds): LatLngBounds {
val sw = bounds.southwest
val ne = bounds.northeast
var west = sw.longitude - (ne.longitude - sw.longitude) * 0.25
var east = ne.longitude + (ne.longitude - sw.longitude) * 0.25
// do not expand bounds if the map area shown is very large
val expansion = if (ne.longitude - sw.longitude > 10) 1.0 else 1.5
val factor = (expansion - 1.0) * 0.5
var west = sw.longitude - (ne.longitude - sw.longitude) * factor
var east = ne.longitude + (ne.longitude - sw.longitude) * factor
val south =
sw.latitude - (ne.latitude - sw.latitude) * 0.25 * cos(Math.toRadians(sw.latitude))
sw.latitude - (ne.latitude - sw.latitude) * factor * cos(Math.toRadians(sw.latitude))
val north =
ne.latitude + (ne.latitude - sw.latitude) * 0.25 * cos(Math.toRadians(ne.latitude))
ne.latitude + (ne.latitude - sw.latitude) * factor * cos(Math.toRadians(ne.latitude))
if (east - west >= 360) {
west = -180.0