feat: 摄像头移动

Source/lonese/CameraPawn.cpp

@@ -18,8 +18,9 @@ void ACameraPawn::CameraRotate(const FInputActionValue& Value)
 void ACameraPawn::CameraMove(const FInputActionValue& Value)
 {
 	auto f2d = Value.Get<FVector2D>();
-	auto f = GetActorForwardVector();
 	auto r = GetActorRightVector();
+	auto f = r.Cross(FVector::UpVector);
+	f.Normalize();
 	SetActorLocation(GetActorLocation() + f * f2d.X * 10.0f + r * f2d.Y * 10.0f);
 }
 

Source/lonese/MyCharacter.cpp

@@ -45,6 +45,30 @@ void AMyCharacter::StopCrouch(const FInputActionValue& Value)
 	UE_LOG(LogTemp, Warning, TEXT("Stop Crouch"));
 }
 
+void AMyCharacter::CameraMove(const FInputActionValue& Value)
+{
+	if (CameraActor)
+	{
+		CameraActor->CameraMove(Value);
+	}
+}
+
+void AMyCharacter::CameraRotate(const FInputActionValue& Value)
+{
+	if (CameraActor)
+	{
+		CameraActor->CameraRotate(Value);
+	}
+}
+
+void AMyCharacter::CameraZoom(const FInputActionValue& Value)
+{
+	if (CameraActor)
+	{
+		CameraActor->CameraZoom(Value);
+	}
+}
+
 // Sets default values
 AMyCharacter::AMyCharacter()
 {
@@ -63,22 +87,21 @@ void AMyCharacter::BeginPlay()
 	ACameraPawn* temp = nullptr;
 	if (w)
 	{
+		UClass* CameraClass;
 		if (CameraActorClass)
 		{
-			FTransform SpawnTransform(GetActorRotation(), GetActorLocation());
+			CameraClass = CameraActorClass;
-			temp = w->SpawnActorDeferred<ACameraPawn>(CameraActorClass, SpawnTransform);
-			temp->SetActorRotation(FRotator(-60.0f, 0.0f, 0.0f));
-			temp->FollowTarget = this;
-			temp->FinishSpawning(SpawnTransform);
 		}
 		else
 		{
+			CameraClass = ACameraPawn::StaticClass();
+		}
 		FTransform SpawnTransform(GetActorRotation(), GetActorLocation());
-			temp = w->SpawnActorDeferred<ACameraPawn>(ACameraPawn::StaticClass(), SpawnTransform);
+		temp = w->SpawnActorDeferred<ACameraPawn>(CameraClass, SpawnTransform);
+		temp->SetActorRotation(FRotator(-60.0f, 0.0f, 0.0f));
 		temp->FollowTarget = this;
 		temp->FinishSpawning(SpawnTransform);
 	}
-	}
 	if (temp)
 	{
 		CameraActor = temp;
@@ -122,6 +145,10 @@ void AMyCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputCompone
 			EnhancedInputComponent->BindAction(CrouchAction, ETriggerEvent::Started, this, &AMyCharacter::BeginCrouch);
 			EnhancedInputComponent->BindAction(CrouchAction, ETriggerEvent::Completed, this, &AMyCharacter::StopCrouch);
 		}
+		if (CameraMoveAction)
+		{
+			EnhancedInputComponent->BindAction(CameraMoveAction, ETriggerEvent::Triggered, this, &AMyCharacter::CameraMove);
+		}
 	}
 }
 

Source/lonese/MyCharacter.h

@@ -20,6 +20,8 @@ public:
 	class UInputAction* RunAction;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
 	class UInputAction* CrouchAction;
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+	class UInputAction* CameraMoveAction;
 
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
 	class TSubclassOf<class ACameraPawn> CameraActorClass;
@@ -58,4 +60,8 @@ private:
 
 	UPROPERTY(VisibleInstanceOnly, Category = "Camera")
 	class ACameraPawn* CameraActor;
+
+	void CameraZoom(const FInputActionValue& Value);
+	void CameraRotate(const FInputActionValue& Value);
+	void CameraMove(const FInputActionValue& Value);
 };