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BaseEntitySystem
Daan van Yperen edited this page Sep 29, 2015
·
4 revisions
BaseEntitySystem tracks a subset of entities, but does not implement any sorting or iteration.
public class MySystem extends BaseEntitySystem {
public MySystem() {
super(Aspect.all()); // match all entities.
}
@Override
protected final void processSystem() {
IntBag actives = subscription.getEntities();
int[] ids = actives.getData();
for (int i = 0, s = actives.size(); s > i; i++) {
// my custom iteration.
}
}
}
Upon calling world.process()
, your systems are processed in sequence. Override the following methods to integrate your game logic.
-
initialize()
- Manually initialize. (odb injects what you need, see @Wire!) -
begin()
- Called before the entities are processed. -
processSystem()
- Called once per cycle. -
end()
- Called after the entities have been processed. -
inserted(int e)
- entity matches composition (created or altered). -
removed(int e)
- entity lost composition (deleted or altered).
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