Merge pull request #164 from UnityTech/gesture

Gesture

Author: kgdev

Runtime/gestures/constants.cs

@@ -10,6 +10,8 @@ public static class Constants {
 
         public const float kPanSlop = kTouchSlop * 2.0f;
 
+        public const float kScaleSlop = kTouchSlop;
+
         public static readonly TimeSpan kPressTimeout = new TimeSpan(0, 0, 0, 0, 100);
 
         public static readonly TimeSpan kDoubleTapTimeout = new TimeSpan(0, 0, 0, 0, 300);