Unreal Engine 4 Scripting with C++ Cookbook

Chapter 4. Actors and Components

In this chapter, we will cover following recipes:

• Creating a custom Actor in C++
• Instantiating an Actor using SpawnActor
• Destroying an Actor using Destroy and a Timer
• Destroying an Actor after a delay using SetLifeSpan
• Implementing the Actor functionality by composition
• Loading assets into components using FObjectFinder
• Implementing the Actor functionality by inheritance
• Attaching components to create a hierarchy
• Creating a custom Actor Component
• Creating a custom Scene Component
• Creating a custom Primitive Component
• Creating an InventoryComponent for an RPG
• Creating an OrbitingMovement Component
• Creating a building that spawns units

Introduction

Actors are classes which have some presence in the game world. Actors gain their ...