FIX: Tap/swipe gesture detection in TouchSamples (#911).

Author: Rene Damm

ExternalSampleProjects/TouchSamples/Assets/Scripts/Gestures/GestureController.cs

@@ -78,7 +78,7 @@ protected virtual void Awake()
         private bool IsValidSwipe(ref ActiveGesture gesture)
         {
             return gesture.TravelDistance >= minSwipeDistance &&
-                (gesture.StartTime - gesture.EndTime) <= maxSwipeDuration &&
+                (gesture.EndTime - gesture.StartTime) <= maxSwipeDuration &&
                 gesture.SwipeDirectionSameness >= swipeDirectionSamenessThreshold;
         }
 
@@ -88,7 +88,7 @@ private bool IsValidSwipe(ref ActiveGesture gesture)
         private bool IsValidTap(ref ActiveGesture gesture)
         {
             return gesture.TravelDistance <= maxTapDrift &&
-                (gesture.StartTime - gesture.EndTime) <= maxTapDuration;
+                (gesture.EndTime - gesture.StartTime) <= maxTapDuration;
         }
 
         private void OnPressed(PointerInput input, double time)

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -16,6 +16,7 @@ however, it has to be formatted properly to pass verification tests.
 - Several bugs with layout overrides registered with (`InputSystem.RegisterLayoutOverrides`).
   * In `1.0-preview`, layout overrides could lead to corruption of the layout state and would also not be handled correctly by the various editor UIs.
 - Selecting a layout in the input debugger no longer selects its first child item, too.
+- Fixed tap/swipe gesture detection in touch samples.
 
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