Eliminated map overrotation on drift pan

Wrap the angle on each interpolated step instead of when normalizing.
2015-07-05 00:50:19 -07:00
parent a22efd4e80
commit 08acb65b1c
1 changed files with 1 additions and 1 deletions
--- a/src/mbgl/map/transform.cpp
+++ b/src/mbgl/map/transform.cpp
@@ -337,7 +337,7 @@ void Transform::_setAngle(double new_angle, const Duration duration) {

        startTransition(
            [=](double t) {
-                state.angle = util::interpolate(startA, angle, t);
+                state.angle = util::wrap(util::interpolate(startA, angle, t), -M_PI, M_PI);
                view.notifyMapChange(MapChangeRegionIsChanging);
                return Update::Nothing;
            },