Basic Class Structure

Articles explaining basic classes

• Object
  • Actor
    • Pawn
    • Controller
  • Component
    • Actor Component
      • Scene Component

Basic diagram of classes

Extended diagram of classes

The diagram above is a simplified overview of the class structure used to compose the game world. Obviously the engine comes with more classes, thousands of them.

• Open original diagram on Creately to view an extended version of the diagram. It presents a few more classes like collision components, Player Controller, etc.
• Check entire hierarchy of UObject-derived classes by browsing the official API documentation. Type any class in a search bar there, it will get you to page for a specific class. You can easily check what classes are "above" and "under" in the hierarchy of a given class.