From 9ac194ca6e005d825bbebc46a7d318d534fa7fae Mon Sep 17 00:00:00 2001
From: Ian Gilman <ian@iangilman.com>
Date: Tue, 29 Aug 2017 10:05:47 -0700
Subject: [PATCH] Better constrain during pan for mobile

---
 src/viewer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/viewer.js b/src/viewer.js
index 0921eca8..028b9624 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -2705,7 +2705,7 @@ function onCanvasDrag( event ) {
             }
         }
 
-        this.viewport.panBy( this.viewport.deltaPointsFromPixels( event.delta.negate() ), gestureSettings.flickEnabled && !this.constrainDuringPan);
+        this.viewport.panBy( this.viewport.deltaPointsFromPixels( event.delta.negate() ), gestureSettings.flickEnabled);
     }
 }