blaster/Source/Blaster/Weapon/Projectile.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "Projectile.h"

#include "Components/BoxComponent.h"
#include "GameFramework/ProjectileMovementComponent.h"
#include "Kismet/GameplayStatics.h"

AProjectile::AProjectile()
{
	PrimaryActorTick.bCanEverTick = true;
	bReplicates = true;

	CollisionBox = CreateDefaultSubobject<UBoxComponent>(TEXT("CollisionBox"));
	SetRootComponent(CollisionBox);
	CollisionBox->SetCollisionObjectType(ECollisionChannel::ECC_WorldDynamic);
	CollisionBox->SetCollisionEnabled(ECollisionEnabled::QueryAndPhysics);
	CollisionBox->SetCollisionResponseToChannels(ECollisionResponse::ECR_Ignore);
	CollisionBox->SetCollisionResponseToChannel(ECollisionChannel::ECC_Visibility, ECollisionResponse::ECR_Block);
	CollisionBox->SetCollisionResponseToChannel(ECollisionChannel::ECC_WorldStatic, ECollisionResponse::ECR_Block);

	ProjectileMovementComponent = CreateDefaultSubobject<UProjectileMovementComponent>(TEXT("ProjectileMovementComponent"));
	ProjectileMovementComponent->bRotationFollowsVelocity = true;
}

void AProjectile::BeginPlay()
{
	Super::BeginPlay();

	if (Tracer)
	{
		TracerComponent = UGameplayStatics::SpawnEmitterAttached(
			Tracer,
			CollisionBox,
			FName(),
			GetActorLocation(),
			GetActorRotation(),
			EAttachLocation::KeepWorldPosition
		);
	}
}

void AProjectile::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);
}