ue4-选人工具

分类于

圆形Sphere形状选人，以当前某一Actor为中心，以半径为x的范围内选取符合条件的东东（ue中还有一Box形状选人，和Sphere选人差不多）

1、蓝图

img

2、c++

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void UGolbalFunc ::TestFilter( AMyChar* _actor , float _radius)
{
                 TArray<AActor *> ignoreChars; //不忽略任何Actor，一般会忽略自身
                 TArray<TEnumAsByte <EObjectTypeQuery>>  destObjectTypes; //目的类型集合
                 destObjectTypes.Add ((EObjectTypeQuery) ECollisionChannel::ECC_Pawn ); //这里强转一下，一一对应的
                 TArray<AActor *> destActors;
                 UKismetSystemLibrary::SphereOverlapActors_NEW (
                                 GWorld
                                , _actor->GetActorLocation ()
                                , _radius
                                , destObjectTypes
                                , AMyChar::StaticClass () //只要这种类的Actor
                                , ignoreChars, destActors );

                 UE_LOG(GolbalFuncLogger, Warning , TEXT("--- destActors length:%d"), destActors.Num ());
                 for (auto elem : destActors)
                {
                                 AMyChar* mychar = Cast< AMyChar>(elem );
                                 if (mychar )
                                {
                                                 UE_LOG(GolbalFuncLogger, Warning , TEXT("--- mychar uuid:%d"), mychar->GetUuid ());
                                                 //这里绘制一下，才能看出半径究竟有多长
                                                :: DrawDebugLine(GWorld , _actor-> GetActorLocation(), mychar->GetActorLocation (), FColor:: Red, true , 5.f);
                                }
                }
}

c++版效果图：

img