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Add Sin wave to Light Brightness

This commit is contained in:
Louis Hobbs 2023-06-20 01:01:47 +01:00
parent f1c2ac0ec6
commit 797f4def89
2 changed files with 12 additions and 2 deletions
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8
Source/Nakatomi/WeaponPickup.cpp
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@ -18,9 +18,8 @@ AWeaponPickup::AWeaponPickup()
SphereComponent->SetupAttachment(RootComponent); SphereComponent->SetupAttachment(RootComponent);
PointLightComponent = CreateDefaultSubobject<UPointLightComponent>(TEXT("PointLightComponent")); PointLightComponent = CreateDefaultSubobject<UPointLightComponent>(TEXT("PointLightComponent"));
PointLightComponent->SetLightColor(FLinearColor::White); PointLightComponent->SetLightColor(FLinearColor::FromSRGBColor(LightColor));
PointLightComponent->SetupAttachment(RootComponent); PointLightComponent->SetupAttachment(RootComponent);
} }
// Called when the game starts or when spawned // Called when the game starts or when spawned
@ -34,6 +33,7 @@ void AWeaponPickup::BeginPlay()
} }
SphereComponent->OnComponentBeginOverlap.AddDynamic(this, &AWeaponPickup::OnOverlapBegin); SphereComponent->OnComponentBeginOverlap.AddDynamic(this, &AWeaponPickup::OnOverlapBegin);
PointLightComponent->SetWorldLocation(this->GetActorLocation());
} }
// Called every frame // Called every frame
@ -51,6 +51,10 @@ void AWeaponPickup::Tick(float DeltaTime)
float Sine = FMath::Sin(Time * MovementSpeed); float Sine = FMath::Sin(Time * MovementSpeed);
WeaponComponent->SetActorLocation(WeaponStartingLocation + ((MovementDirection * Sine) * MovementDistance)); WeaponComponent->SetActorLocation(WeaponStartingLocation + ((MovementDirection * Sine) * MovementDistance));
} }
PointLightComponent->MarkRenderStateDirty(); // We have to do this because Unreal doesn't like it when you create lights in c++ apparently ::pain::
float sin = FMath::Abs(FMath::Sin(GetWorld()->GetRealTimeSeconds() * (MovementSpeed / 2)));
PointLightComponent->SetLightBrightness(sin * MaxLightBrightness);
} }
void AWeaponPickup::OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, void AWeaponPickup::OnOverlapBegin(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor,

6
Source/Nakatomi/WeaponPickup.h
View File

@ -35,6 +35,12 @@ public:
UPROPERTY(EditDefaultsOnly, BlueprintReadWrite) UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
float RotationSpeed = 50.0f; float RotationSpeed = 50.0f;
UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
float MaxLightBrightness = 5000.0f;
UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
FColor LightColor = FColor::White;
private: private:
UPROPERTY() UPROPERTY()