EmptyActor.cpp

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// Copyright (c) 2020 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#include "EmptyActor.h"
 
// 为 AEmptyActor 类设置一个静态（不需要Tick）的根组件，并确保根组件是可移动的。
AEmptyActor::AEmptyActor(const FObjectInitializer &ObjectInitializer)
  : Super(ObjectInitializer)
{
  PrimaryActorTick.bCanEverTick = false;
  RootSceneComponent = CreateDefaultSubobject<USceneComponent>(TEXT("SceneRootComponent"));
  RootComponent = RootSceneComponent;
  RootComponent->SetMobility(EComponentMobility::Movable);
}