[1.5.4] Fix scroll issue.

Yuncong Zhang · Yuncong Zhang · commit b841482770f5 · 2019-08-21T13:08:10.000+08:00
diff --git a/Runtime/gestures/events.cs b/Runtime/gestures/events.cs
@@ -439,7 +439,7 @@ public PointerDownEvent(
             device: device,
             position: position,
             buttons: buttons,
-            down: false,
+            down: true,
             obscured: obscured,
             pressure: pressure,
             pressureMin: pressureMin,
@@ -488,6 +488,7 @@ public PointerMoveEvent(
             position: position,
             delta: delta,
             buttons: buttons,
+            down: true,
             obscured: obscured,
             pressure: pressure,
             pressureMin: pressureMin,
