[UE4]Constructor与Runtime两种环境下创建Component并Attach的方式

1 · 王爱国 · May 29, 2016, 7:47 a.m.
Component MyActor.h: UShapeComponent * CollisionMesh; Constructor中 Create & Attach MyActor.cpp: CollisionMesh = CreateDefaultSubobject<UBoxComponent>(TEXT("TestCollision")); if(CollisionMesh) { CollisionMesh->SetupAttachment(GetRootComponent()); } Runtime中(非构造) Create & Attach MyActor.cpp: CollisionMesh = NewObject<UBoxComponent>(this); if (CollisionMesh) { CollisionMesh->RegisterComponent(); CollisionMesh->AttachToComponent(GetRootComponent(), FAttachmentTransformRules::KeepRelativeTransform)...