Class EntityRegistry

Count active entities

Whether spatial indexing is enabled

Destroy all entities and clear registry

Enable spatial indexing for proximity queries. Only entities tagged with the spatial tag (default: 'spatial') are tracked.

Get the first entity with a given component

Get the first entity matching a tag

Get the first entity matching a type

Get all entities

Query by component name — O(1) via index

Query by tag — O(1) via index

Query by entity type — O(1) via index

Query entities within a rectangular area. Requires enableSpatial().

Query entities near a point within a radius. Requires enableSpatial().

Called by Entity when a component is added

Called by Entity when a component is removed

Called by Entity when a tag is added

Called by Entity when a tag is removed

Remove destroyed entities from the registry

Update all registered entity components, then refresh spatial positions