Group ​

Fast iterator for viewing entities and components in a registry.

type ecr.Group<T...>

Iteration ​

Iterates over all entities in the group.

• Type

  lua

  for id: Entity, ...: T... in Group<T...> do

• Details

  The entity followed by the component values are returned.

  Components can be added, changed and removed during iteration. Components added during iteration are not returned for that iteration.

  WARNING

  During iteration, adding or removing components from entities not currently being iterated can invalidate the iterator.

Length ​

Returns the amount of entities in the group.

• Type

  lua

  #Group<T...>: number