ABrainInteractiveObject* ABrainCharacter::CheckForInteractiveObjects()
{
FCollisionQueryParams traceParams = FCollisionQueryParams(FName(TEXT("Trace")), true, this);
traceParams.bTraceComplex = true;
traceParams.bTraceAsyncScene = true;
traceParams.bReturnPhysicalMaterial = true;
FHitResult hit(ForceInit);
UWorld* world = GetWorld();
FVector startLocation = GetActorLocation() + FVector(0, 0, 64); // tweak pour prendre en compte la position de la camera.
FVector endLocation = startLocation + (GetActorRotation().Vector() * _maxDistanceInteraction);
world->SweepSingleByChannel(hit, startLocation, endLocation, FQuat::Identity, INTERACTIVE_OBJECT, FCollisionShape::MakeSphere(12.0f), traceParams);
return Cast<ABrainInteractiveObject>(hit.GetActor());
}
UPrimitiveComponent* UPhysicsSpringComponent::GetSpringCollision(const FVector& Start, const FVector& End, float& Time) const
{
UWorld* World = GetWorld();
AActor* IgnoreActor = bIgnoreSelf ? GetOwner() : nullptr;
static FName NAME_Spring = FName(TEXT("SpringComponent"));
FCollisionQueryParams QueryParams(NAME_Spring, true, IgnoreActor);
FHitResult Hit;
UPrimitiveComponent* CollidedComponent = nullptr;
const FVector Delta = End - Start;
const float DeltaSizeSqr = Delta.SizeSquared();
if (DeltaSizeSqr > FMath::Square(SMALL_NUMBER))
{
if (bool bBlockingHit = World->SweepSingleByChannel(Hit, Start, End, FQuat::Identity, SpringChannel, FCollisionShape::MakeSphere(SpringRadius), QueryParams))
{
CollidedComponent = Hit.GetComponent();
Time = CollidedComponent ? Hit.Time : 1.f;
}
}
return CollidedComponent;
}
