void AFPSHorrorCharacter::OnFire()
{
// LINE TRACE STUFF
FCollisionQueryParams Traceparam;
FCollisionObjectQueryParams CollisionObjectParams;
FVector Start = FirstPersonCameraComponent->GetComponentLocation();
//FVector Start = FirstPersonCameraComponent
FVector End = Start + FirstPersonCameraComponent->GetForwardVector() * range;
FHitResult HitData(ForceInit);
//ignore collision with player
AFPSHorrorCharacter* myCharacter = Cast<AFPSHorrorCharacter>(this);
Traceparam.AddIgnoredActor(myCharacter);
GetWorld()->LineTraceSingle(HitData, Start, End, Traceparam, CollisionObjectParams);
//Check the target's hit by the line trace
if (HitData.GetActor() != NULL)
{
AGuard* newGuard = Cast<AGuard>(HitData.GetActor());
if (newGuard)
{
newGuard->Health -= Damage;
if (newGuard->Health <= 0)//increase the power meter if the guard is dead
{
CurrentPower += 10;
IncreaseCurrentHealth();
CheckPower();
}
}
}
}
// Called every frame
void ASwoim::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
if (CurrentHealth < 0) return;
acceleration = FVector(0, 0, 0);
FVector NewLocation = GetActorLocation();
FVector HitLocation;
UWorld* const World = GetWorld();
if (SwoimController.IsValid()) {
center = SwoimController->center;
center.Z = 300;
//UE_LOG(LogTemp, Warning, TEXT("SwoimController is Valid"));
}
FVector cen = seek(center); //Track mouse
FVector sep = separate(); //Move away from other swoimers
FVector ali = align(); // aligin with other swoimers
FVector coh = cohesion(); // move towards the CM of the swoim
FVector atk = FVector(0,0,0); // move toward target
//UE_LOG(LogTemp, Warning, TEXT("swoimer attacking %s"), targetSwoimer);
if (targetSwoimer != NULL) {
atk = attack(targetSwoimer);
}
FHitResult HitData(ForceInit);
if (TraceAhead(NewLocation, NewLocation + LookAheadDistance * DeltaTime * velocity, World, HitData)) {
if (!HitData.GetActor()->GetClass()->IsChildOf(ASwoim::StaticClass())) {
FVector ImpactNormalVec = HitData.ImpactNormal;
FVector DirectionToAvoidImpact = ImpactNormalVec - velocity.GetSafeNormal() * FVector::DotProduct(ImpactNormalVec, velocity.GetSafeNormal());
avoidAhead = DirectionToAvoidImpact / (HitData.Distance - 20);
//UE_LOG(LogTemp, Warning, TEXT("mesh ahead, avoid at dir X %f"), avoid.X);
//UE_LOG(LogTemp, Warning, TEXT("mesh ahead, avoid at dir Y %f"), avoid.Y);
//UE_LOG(LogTemp, Warning, TEXT("mesh ahead, avoid at dir Z %f"), avoid.Z);
//UE_LOG(LogTemp, Warning, TEXT("mesh ahead, distance %f"), HitData.Distance);
}
}
FVector avoidClosest = FVector(0, 0, 0);
//if (ActorGetDistanceToCollision(NewLocation, ECollisionChannel::ECC_WorldStatic, avoidClosest) > 0) {
// if (avoidClosest.Size() < 200){
// avoidClosest = NewLocation - avoidClosest;
// }
//}
//center = center + 30 * DeltaTime*FVector(-FMath::Sin(DeltaTime), FMath::Cos(DeltaTime), 0);
sep = sep * SepFactor;
ali = ali * AliFactor;
coh = coh * CohFactor;
cen = cen * CenFactor;
atk = atk * AtkFactor;
FVector avoid = (avoidAhead)* AvoFactor1 + avoidClosest * AvoFactor2;
acceleration = sep + ali + coh + cen + avoid + atk;
avoidAhead = avoidAhead / LookAheadDecay;
if (acceleration.Size() > Forcelimit) {
acceleration = acceleration.GetUnsafeNormal() * Forcelimit;
}
velocity = velocity + acceleration;
if (velocity.Size() > Speedlimit) {
velocity = velocity.GetSafeNormal() * Speedlimit;
}
//if (velocity.Size() < 0.3 * Speedlimit) {
// velocity = velocity.GetSafeNormal() * 0.3 * Speedlimit;
//}
NewLocation = NewLocation + velocity * DeltaTime;
FHitResult* SweepHitData = &HitData;
while (!SetActorLocation(NewLocation, true, SweepHitData)) {
FVector MoveToAvoidHit = SweepHitData->ImpactNormal;
NewLocation = NewLocation + MoveToAvoidHit * 0.1;
}
SetActorRotation(velocity.Rotation() + FRotator(-90, 0, 0));
}