From 08acb65b1c489bfe6060f8747f0a3bfc92f089f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Minh=20Nguy=E1=BB=85n?= <mxn@1ec5.org>
Date: Sun, 5 Jul 2015 00:50:19 -0700
Subject: [PATCH] Eliminated map overrotation on drift pan

Wrap the angle on each interpolated step instead of when normalizing.
---
 src/mbgl/map/transform.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mbgl/map/transform.cpp b/src/mbgl/map/transform.cpp
index 14b3611a1..48e0e30e9 100644
--- 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;
             },