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Scott Erickson edited this page Aug 31, 2017 · 3 revisions

In our Thang Component System architecture, the Thangs are the units, the things, the actors, the entities. A Thang can be an ogre, a rock, an arrow, a land, an invisible obstacle, a goal trigger--whatever. Thangs are specific to Levels and have just three properties:

  1. id: the Thang's unique name within the Level
  2. thangType: a pointer to a ThangType in the database, which holds all the art and sound information needed to display the Thang, but which has no impact on the Level's World simulation itself.
  3. components: a list of Components and their configuration, which together determine everything about how the Thang behaves in the game engine.

A very simple Thang might be a land. Let's look at a default Dungeon Floor Thang. Its id might be "DungeonFloor3" if there were a few other floors placed before it. Or you could rename it to "Top Left Floor"--doesn't matter, as long as it's unique. Its thangType will point to the latest Dungeon Floor ThangType. And it'll just have three Components:

Dungeon Floor Thang example

Represented as JSON, these Components are simply:


A more complex Thang might have 20+ Components, and its ThangType might have many animations and sounds associated.

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