From 01ff7b17355f643fff6823d6709641a4dcfe6534 Mon Sep 17 00:00:00 2001
From: Jason Wray <jason@kulturny.com>
Date: Sat, 22 Aug 2015 01:56:08 -0400
Subject: [PATCH] Reverse quickzoom up/down zooming to be out/in

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

diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index 3cee7db4e..80788bd73 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -1336,7 +1336,7 @@ std::chrono::steady_clock::duration secondsAsDuration(float duration)
     }
     else if (quickZoom.state == UIGestureRecognizerStateChanged)
     {
-        CGFloat distance = self.quickZoomStart - [quickZoom locationInView:quickZoom.view].y;
+        CGFloat distance = [quickZoom locationInView:quickZoom.view].y - self.quickZoomStart;
 
         CGFloat newZoom = log2f(self.scale) + (distance / 100);