fix(movement): fixed desktop mode pitch by only using RotateCameraAndPawn() when in VR

Source/RWTHVRToolkit/Private/Pawn/Navigation/TurnComponent.cpp

@@ -86,17 +86,23 @@ void UTurnComponent::OnBeginTurn(const FInputActionValue& Value)
 	const FVector2D TurnValue = Value.Get<FVector2D>();
 
 	if (TurnValue.X != 0.f)
+	{
+		if (UVirtualRealityUtilities::IsDesktopMode() && bApplyDesktopRotation)
+		{
+			VRPawn->AddControllerYawInput(TurnRateFactor * TurnValue.X);
+		} else
 		{
 			RotateCameraAndPawn(TurnRateFactor * TurnValue.X);
 		}
+	}
 	
-	/*if (TurnValue.Y != 0.f)
+	if (TurnValue.Y != 0.f)
 	{
 		if (UVirtualRealityUtilities::IsDesktopMode() && bApplyDesktopRotation)
 		{
 			VRPawn->AddControllerPitchInput(TurnRateFactor * -TurnValue.Y);
 		}
-	}*/
+	}
 }
 
 void UTurnComponent::OnBeginSnapTurn(const FInputActionValue& Value)
@@ -115,6 +121,7 @@ void UTurnComponent::OnBeginSnapTurn(const FInputActionValue& Value)
 	}
 }
 
+
 void UTurnComponent::RotateCameraAndPawn(float Yaw)
 {
 	FVector NewLocation;

Source/RWTHVRToolkit/Public/Pawn/Navigation/TurnComponent.h

@@ -70,6 +70,10 @@ private:
 	UPROPERTY()
 	class UInputMappingContext* IMCTurn;
 
+	/**
+	 * If we just use VRPawn->AddControllerYawInput(Yaw), rotation is around tracking origin instead of the actual player position
+	 * This function updates the pawns rotation and location to result in a rotation around the users tracked position.
+	 */
 	void RotateCameraAndPawn(float Yaw);
 	bool bApplyDesktopRotation;
 };