nettuto

SweepSingleByChannel

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());
}