Query data with EntityQuery
An EntityQuery finds archetypes that have a specified set of component types. It then gathers the archetype's chunks into an array which a system can process.
| Topic | Description |
|---|---|
| EntityQuery overview | Understand what an EntityQuery is. |
| Create an EntityQuery | Create an an entity query, filter by archetype or write group, execute the query. |
| EntityQuery filters | Use EntityQuery filters to sort information. |
| Write groups | Use write groups for one system to overwrite another, even when you can't change the other system. |
| Version numbers (change filtering) | Use version numbers to detect potential changes and to implement efficient optimization strategies. |