feat: 增加延迟生成

Source/lonese/CameraPawn.cpp

@@ -24,9 +24,10 @@ ACameraPawn::ACameraPawn()
  	// Set this pawn to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
 	PrimaryActorTick.bCanEverTick = true;
 
+	// 初始化 SpringArmComponent 和 CameraComponent
 	SpringArmComponent = CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArmComponent"));
 	SpringArmComponent->SetupAttachment(RootComponent);
-	SpringArmComponent->TargetArmLength = 300.f;
+	SpringArmComponent->TargetArmLength = 1200.f;
 	SpringArmComponent->bUsePawnControlRotation = true;
 	CameraComponent = CreateDefaultSubobject<UCameraComponent>(TEXT("CameraComponent"));
 	CameraComponent->SetupAttachment(SpringArmComponent, USpringArmComponent::SocketName);
@@ -37,6 +38,11 @@ void ACameraPawn::BeginPlay()
 {
 	Super::BeginPlay();
 	
+	// 设置摄像头可见性
+	if (CameraComponent)
+	{
+		CameraComponent->SetVisibility(true);
+	}
 }
 
 // Called every frame

Source/lonese/CameraPawn.h

@@ -16,6 +16,8 @@ public:
 	class USpringArmComponent* SpringArmComponent;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
 	class UCameraComponent* CameraComponent;
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
+	APawn* FollowTarget;
 
 	UFUNCTION(BlueprintCallable, Category = "Camera")
 	void CameraZoom(const FInputActionValue& Value);

Source/lonese/MyCharacter.cpp

@@ -59,6 +59,29 @@ void AMyCharacter::BeginPlay()
 {
 	Super::BeginPlay();
 
+	auto w = GetWorld();
+	ACameraPawn* temp = nullptr;
+	if (w)
+	{
+		if (CameraActorClass)
+		{
+			FTransform SpawnTransform(GetActorRotation(), GetActorLocation());
+			temp = w->SpawnActorDeferred<ACameraPawn>(CameraActorClass, SpawnTransform);
+			temp->FollowTarget = this;
+			temp->FinishSpawning(SpawnTransform);
+		}
+		else
+		{
+			FTransform SpawnTransform(GetActorRotation(), GetActorLocation());
+			temp = w->SpawnActorDeferred<ACameraPawn>(ACameraPawn::StaticClass(), SpawnTransform);
+			temp->FollowTarget = this;
+			temp->FinishSpawning(SpawnTransform);
+		}
+	}
+	if (temp)
+	{
+		CameraActor = temp;
+	}
 }
 
 // Called every frame

Source/lonese/MyCharacter.h

@@ -22,7 +22,7 @@ public:
 	class UInputAction* CrouchAction;
 
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Camera")
-	class ACameraPawn* CameraActor;
+	class TSubclassOf<class ACameraPawn> CameraActorClass;
 
 	UFUNCTION(BlueprintCallable, Category = "Move")
 	void Move(const FInputActionValue& Value);
@@ -55,4 +55,7 @@ protected:
 private:
 	bool bIsRunning = false;
 	bool bIsCrouching = false;
+
+	UPROPERTY(VisibleInstanceOnly, Category = "Camera")
+	class ACameraPawn* CameraActor;
 };