第一种方式，是用样条线，简明扼要，但是打包后就消失了。 AActor*actor=world->SpawnActor(ActorClass); actor->AttachToActor(this,FAttachmentTransformRules::KeepRelativeTransform); USplineComponent*splineComponent=this->GenerateSplineComponent(info,radius,actor); splineComponent->AttachToComponent(actor->GetRootComponent(),FAttach