Trigger → Game 关系

文件在 Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Trigger	在 Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Game 中引用
FrictionTrigger.h	CarlaEpisode.h
TriggerFactory.cpp	CarlaGameInstance.h
TriggerFactory.cpp	CarlaStatics.h