From cafe591d2a84d70a2a6c076b9629135e42e68f46 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Minh=20Nguye=CC=82=CC=83n?= <mxn@1ec5.org>
Date: Sat, 19 Dec 2015 23:30:21 -0800
Subject: [PATCH] [osx] Flipped drag-rotate center point

---
 platform/osx/src/MGLMapView.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/osx/src/MGLMapView.mm b/platform/osx/src/MGLMapView.mm
index e4b86f36d..c8145a67d 100644
--- a/platform/osx/src/MGLMapView.mm
+++ b/platform/osx/src/MGLMapView.mm
@@ -1168,7 +1168,7 @@ public:
             _directionAtBeginningOfGesture = self.direction;
             _pitchAtBeginningOfGesture = _mbglMap->getPitch();
         } else if (gestureRecognizer.state == NSGestureRecognizerStateChanged) {
-            mbgl::PrecisionPoint center(startPoint.x, startPoint.y);
+            mbgl::PrecisionPoint center(startPoint.x, self.bounds.size.height - startPoint.y);
             if (self.rotateEnabled) {
                 CLLocationDirection newDirection = _directionAtBeginningOfGesture - delta.x / 10;
                 [self willChangeValueForKey:@"direction"];