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This article is about the world modeling concept of containment. For the CGDC7 game by Kevin Mintmier, see Containment (game).

The nesting of one object inside another. When a room contains objects (e.g. tables, cabinets, pedestals, canvas bags), which can, in turn, contain other objects or even secret levels.

Knowing how objects are stacked inside one another (and which objects are open or transparent) allows the game to calculate, for instance, whether a light source is visible to the player.

See also object tree and scope.

Code Compare: Container
ADRIFT 4:(checked) Object is a container
Hugo:The container attribute
Inform 6:The container attribute
Inform 7:The container kind
TADS 2:The container and qcontainer classes
TADS 3:The Container class