fix(Locomotion): prevent exception with missing player rewind

If no PositionRewind script was available for the PlayerClimb script then it would throw an exception error because no null check was being done when the PositionRewind script was being called.
ExtendRealityLtd · Jun 15, 2017 · c690c32 · c690c32
1 parent 0f7161d
commit c690c32
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Assets/VRTK/Scripts/Locomotion/VRTK_PlayerClimb.cs b/Assets/VRTK/Scripts/Locomotion/VRTK_PlayerClimb.cs
@@ -116,7 +116,7 @@ protected virtual void Update()
                     climbingObjectLastRotation = climbingObject.transform.rotation;
                 }
 
-                if (!IsHeadsetColliding())
+                if (positionRewind != null && !IsHeadsetColliding())
                 {
                     positionRewind.SetLastGoodPosition();
                 }
@@ -233,7 +233,7 @@ protected virtual void Grab(GameObject currentGrabbingController, VRTK_Controlle
         protected virtual void Ungrab(bool carryMomentum, VRTK_ControllerReference controllerReference, GameObject target)
         {
             isClimbing = false;
-            if (IsHeadsetColliding())
+            if (positionRewind != null && IsHeadsetColliding())
             {
                 positionRewind.RewindPosition();
             }