feat: 增加UI提示

Source/lonese/CameraPawn.cpp

@@ -10,12 +10,15 @@
 void ACameraPawn::CameraZoom(const FInputActionValue& Value)
 {
 	auto f = Value.Get<float>();
-	SpringArmComponent->TargetArmLength += f * 10.0f;
+	SpringArmComponent->TargetArmLength += f * ZoomSpeed;
-	SpringArmComponent->TargetArmLength = FMath::Clamp(SpringArmComponent->TargetArmLength, 300.0f, 3000.0f);
+	SpringArmComponent->TargetArmLength = FMath::Clamp(SpringArmComponent->TargetArmLength, MinArmLength, MaxArmLength);
 }
 
 void ACameraPawn::CameraRotate(const FInputActionValue& Value)
 {
+	auto f = Value.Get<float>();
+	FRotator r = FRotator(0.0f, f * RotateSpeed, 0.0f);
+	AddActorWorldRotation(r);
 }
 
 void ACameraPawn::CameraMove(const FInputActionValue& Value)
@@ -24,7 +27,14 @@ void ACameraPawn::CameraMove(const FInputActionValue& Value)
 	auto r = GetActorRightVector();
 	auto f = r.Cross(FVector::UpVector);
 	f.Normalize();
-	SetActorLocation(GetActorLocation() + f * f2d.X * 10.0f + r * f2d.Y * 10.0f);
+	SetActorLocation(GetActorLocation() + f * f2d.X * MoveSpeed + r * f2d.Y * MoveSpeed);
+}
+
+void ACameraPawn::CameraReset(const FInputActionValue& Value)
+{
+	SpringArmComponent->TargetArmLength = InitialArmLength;
+	SetActorRotation(InitialRotation);
+	SetActorRelativeLocation(FVector::ZeroVector);
 }
 
 // Sets default values
@@ -36,8 +46,8 @@ ACameraPawn::ACameraPawn()
 	// 初始化 SpringArmComponent 和 CameraComponent
 	SpringArmComponent = CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArmComponent"));
 	SpringArmComponent->SetupAttachment(RootComponent);
-	SpringArmComponent->TargetArmLength = 1200.f;
+	SpringArmComponent->TargetArmLength = InitialArmLength;
-	SpringArmComponent->bUsePawnControlRotation = true;
+	SpringArmComponent->bUsePawnControlRotation = true;// TODO: 何意味？
 	CameraComponent = CreateDefaultSubobject<UCameraComponent>(TEXT("CameraComponent"));
 	CameraComponent->SetupAttachment(SpringArmComponent, USpringArmComponent::SocketName);
 	
@@ -61,7 +71,11 @@ void ACameraPawn::BeginPlay()
 
 		// 附加到父物体
 		this->AttachToActor(FollowTarget, FAttachmentTransformRules::KeepWorldTransform);
+
 	}
+
+	// 设置自身旋转
+	SetActorRotation(InitialRotation);
 }
 
 // Called every frame

Source/lonese/CameraPawn.h

@@ -16,15 +16,32 @@ public:
 	class USpringArmComponent* SpringArmComponent;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
 	class UCameraComponent* CameraComponent;
-	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
+	UPROPERTY(VisibleInstanceOnly, BlueprintReadOnly, Category = "Camera")
 	APawn* FollowTarget;
 
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	FRotator InitialRotation = FRotator(-60.0f, 0.0f, 0.0f);
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float InitialArmLength = 1200.0f;
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float RotateSpeed = 2.0f;
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float ZoomSpeed =10.0f;
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float MoveSpeed = 10.0f;
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float MaxArmLength = 3000.0f;
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = "Config")
+	float MinArmLength = 300.0f;
+
 	UFUNCTION(BlueprintCallable, Category = "Camera")
 	void CameraZoom(const FInputActionValue& Value);
 	UFUNCTION(BlueprintCallable, Category = "Camera")
 	void CameraRotate(const FInputActionValue& Value);
 	UFUNCTION(BlueprintCallable, Category = "Camera")
 	void CameraMove(const FInputActionValue& Value);
+	UFUNCTION(BlueprintCallable, Category = "Camera")
+	void CameraReset(const FInputActionValue& Value);
 
 	// Sets default values for this pawn's properties
 	ACameraPawn();

Source/lonese/MyCharacter.cpp

@@ -69,6 +69,14 @@ void AMyCharacter::CameraZoom(const FInputActionValue& Value)
 	}
 }
 
+void AMyCharacter::CameraReset(const FInputActionValue& Value)
+{
+	if (CameraActor)
+	{
+		CameraActor->CameraReset(Value);
+	}
+}
+
 // Sets default values
 AMyCharacter::AMyCharacter()
 {
@@ -98,7 +106,7 @@ void AMyCharacter::BeginPlay()
 		}
 		FTransform SpawnTransform(GetActorRotation(), GetActorLocation());
 		temp = w->SpawnActorDeferred<ACameraPawn>(CameraClass, SpawnTransform);
-		temp->SetActorRotation(FRotator(-60.0f, 0.0f, 0.0f));
+		/*temp->SetActorRotation(FRotator(-60.0f, 0.0f, 0.0f));*/
 		temp->FollowTarget = this;
 		temp->FinishSpawning(SpawnTransform);
 	}
@@ -153,6 +161,14 @@ void AMyCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputCompone
 		{
 			EnhancedInputComponent->BindAction(CameraZoomAction, ETriggerEvent::Triggered, this, &AMyCharacter::CameraZoom);
 		}
+		if (CameraResetAction)
+		{
+			EnhancedInputComponent->BindAction(CameraResetAction, ETriggerEvent::Triggered, this, &AMyCharacter::CameraReset);
+		}
+		if (CameraRotateAction)
+		{
+			EnhancedInputComponent->BindAction(CameraRotateAction, ETriggerEvent::Triggered, this, &AMyCharacter::CameraRotate);
+		}
 	}
 }
 

Source/lonese/MyCharacter.h

@@ -24,6 +24,10 @@ public:
 	class UInputAction* CameraMoveAction;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
 	class UInputAction* CameraZoomAction;
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+	class UInputAction* CameraResetAction;
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+	class UInputAction* CameraRotateAction;
 
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
 	class TSubclassOf<class ACameraPawn> CameraActorClass;
@@ -66,4 +70,5 @@ private:
 	void CameraZoom(const FInputActionValue& Value);
 	void CameraRotate(const FInputActionValue& Value);
 	void CameraMove(const FInputActionValue& Value);
+	void CameraReset(const FInputActionValue& Value);
 };