임펙트 파티클

/* Particles spawnd upon bullet impact*/
UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = "true"));
class UParticleSystem* ImpactParticles;

/* Particles spawnd upon bullet impact*/
UPROPERTY(EditAnyWhere, BlueprintReadWrite, Category = Combat, meta = (AllowPrivateAccess = "true"));
class UParticleSystem* ImpactWallParticles;

ConstructorHelpers::FObjectFinder<UParticleSystem> ImpactParticleAsset(
TEXT("/Game/Voyager/Demo/Levels/UndergroundBaseLevel/Particles/P_spark_burst.P_spark_burst")
);

ImpactParticles = ImpactParticleAsset.Object;
ConstructorHelpers::FObjectFinder<UParticleSystem> ImpactWallParticleAsset(
TEXT("/Game/ParagonLtBelica/FX/Particles/Belica/Abilities/Primary/FX/P_BelicaHitWorld.P_BelicaHitWorld")
);

ImpactWallParticles = ImpactWallParticleAsset.Object;

파티클 시스템을 추가했다.

if (FireHit.bBlockingHit)
{
    DrawDebugLine(GetWorld(), Start, End, FColor::Red, false, 2.f);
    DrawDebugPoint(GetWorld(), FireHit.Location, 5.f, FColor::Red, false, 2.f);

    if (ImpactParticles)
    {
        UGameplayStatics::SpawnEmitterAtLocation(GetWorld(), ImpactWallParticles, FireHit.Location);
        UGameplayStatics::SpawnEmitterAtLocation(GetWorld(), ImpactParticles, FireHit.Location);
        GEngine->AddOnScreenDebugMessage(1, 1, FColor::Blue, FString::Printf(TEXT("Current: %f %f %f"), Start.X, Start.Y, Start.Z));
        GEngine->AddOnScreenDebugMessage(2, 1, FColor::Red, FString::Printf(TEXT("Collisioin: %f %f %f"), FireHit.Location.X, FireHit.Location.Y, FireHit.Location.Z));
    }
}

라인트레이스에서 충돌이 발생했으면 파티클을 생성했다.