refactor(navigation): const correctness & brief code cleanup

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

@@ -124,20 +124,17 @@ void UTurnComponent::OnBeginSnapTurn(const FInputActionValue& Value)
 }
 
 
-void UTurnComponent::RotateCameraAndPawn(float Yaw)
+void UTurnComponent::RotateCameraAndPawn(float Yaw) const
 {
-	FVector NewLocation;
-	FRotator NewRotation;
-
-	FVector OrigLocation = VRPawn->GetActorLocation();
+	const FVector OrigLocation = VRPawn->GetActorLocation();
 	FVector PivotPoint = VRPawn->GetActorTransform().InverseTransformPosition(OrigLocation);
 	PivotPoint.Z = 0.0f;
 
-	FRotator OrigRotation = VRPawn->GetActorRotation();
+	const FRotator OrigRotation = VRPawn->GetActorRotation();
 
-	NewRotation = FRotator(0, VRPawn->GetActorRotation().Yaw + Yaw, 0);
+	const FRotator NewRotation = FRotator(0, VRPawn->GetActorRotation().Yaw + Yaw, 0);
 
-	NewLocation = OrigLocation + OrigRotation.RotateVector(PivotPoint);
+	const FVector NewLocation = OrigLocation + OrigRotation.RotateVector(PivotPoint);
 
 	VRPawn->Controller->SetControlRotation(NewRotation);
 	VRPawn->SetActorLocationAndRotation(NewLocation, NewRotation);

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

@@ -74,6 +74,6 @@ private:
 	 * 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);
+	void RotateCameraAndPawn(float Yaw) const;
 	bool bApplyDesktopRotation;
 };