Changelog entries and a nit for #15281

mapbox · Aug 8, 2019 · 03f64a6 · 03f64a6
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diff --git a/platform/android/CHANGELOG.md b/platform/android/CHANGELOG.md
@@ -7,6 +7,7 @@ Mapbox welcomes participation and contributions from everyone.  If you'd like to
 ### Bug fixes
  - Fixed an issue where it was possible to set the map’s content insets then tilt the map enough to see the horizon, causing performance issues [#15195](https://github.com/mapbox/mapbox-gl-native/pull/15195)
  - Allow loading of a map without a Style URI or Style JSON [#15293](https://github.com/mapbox/mapbox-gl-native/pull/15293)
+ - Fixed an issue where animated camera transitions zoomed in or out too dramatically [#15281](https://github.com/mapbox/mapbox-gl-native/pull/15281)
 
 ## 8.3.0-alpha.2 - August 7, 2019
 [Changes](https://github.com/mapbox/mapbox-gl-native/compare/android-v8.3.0-alpha.1...android-v8.3.0-alpha.2) since [Mapbox Maps SDK for Android v8.3.0-alpha.1](https://github.com/mapbox/mapbox-gl-native/releases/tag/android-v8.3.0-alpha.1):

diff --git a/platform/ios/CHANGELOG.md b/platform/ios/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 Mapbox welcomes participation and contributions from everyone. Please read [CONTRIBUTING.md](../../CONTRIBUTING.md) to get started.
 
+## master
+
+### Styles and rendering
+
+* Fixed an issue where animated camera transitions zoomed in or out too dramatically. ([#15281](https://github.com/mapbox/mapbox-gl-native/pull/15281))
+
 ## 5.3.0
 
 ### Styles and rendering

diff --git a/platform/macos/CHANGELOG.md b/platform/macos/CHANGELOG.md
@@ -10,6 +10,7 @@
 * Performance improvements for queryRenderedFeatures API and optimization that allocates containers based on a number of rendered layers. ([#14930](https://github.com/mapbox/mapbox-gl-native/pull/14930))
 * Fixed rendering layers after fill-extrusion regression caused by optimization of fill-extrusion rendering. ([#15065](https://github.com/mapbox/mapbox-gl-native/pull/15065))
 * `MGLLoggingLevel` has been updated for better matching core log levels. Now can use `[MGLLoggingConfiguration sharedConfiguration].loggingLevel` to filter logs from core . [#15120](https://github.com/mapbox/mapbox-gl-native/pull/15120)
+* Fixed an issue where animated camera transitions zoomed in or out too dramatically. [#15281](https://github.com/mapbox/mapbox-gl-native/pull/15281)
 
 ### Styles and rendering
 

diff --git a/src/mbgl/map/transform.cpp b/src/mbgl/map/transform.cpp
@@ -82,7 +82,7 @@ void Transform::jumpTo(const CameraOptions& camera) {
  * values for any options not included in `options`.
  */
 void Transform::easeTo(const CameraOptions& camera, const AnimationOptions& animation) {
-    Duration duration = animation.duration ? *animation.duration : Duration::zero();
+    Duration duration = animation.duration.value_or(Duration::zero());
     if (state.bounds == LatLngBounds::unbounded() && !isGestureInProgress() && duration != Duration::zero()) {
         // reuse flyTo, without exaggerated animation, to achieve constant ground speed.
         return flyTo(camera, animation, true);