Browser docs

Dirty Flag

April 14, 2023 1 min read Behavioral Game programming Performance
On this page

Also known as

  • IsDirty pattern

Intent

To avoid expensive re-acquisition of resources. The resources retain their identity, are kept in some fast-access storage, and are re-used to avoid having to acquire them again.

Class diagram

alt text

Applicability

Use the Dirty Flag pattern when

  • Repetitious acquisition, initialization, and release of the same resource causes unnecessary performance overhead.

Credits