Expand description
Event handling types.
Structs§
- An
EventId
uniquely identifies an event stored in a specificWorld
. - An iterator that yields any unread events from an
EventReader
orManualEventReader
. - An iterator that yields any unread events (and their IDs) from an
EventReader
orManualEventReader
. - A parallel iterator over
Event
s. - Reads events of type
T
in order and tracks which events have already been read. - A registry of all of the
Events
in theWorld
, used byevent_update_system
to update all of the events. - Sends events of type
T
. - An event collection that represents the events that occurred within the last two
Events::update
calls. Events can be written to using anEventWriter
and are typically cheaply read using anEventReader
. - Stores the state for an
EventReader
.
Traits§
- A type that can be stored in an
Events<E>
resource You can conveniently access events using theEventReader
andEventWriter
system parameter.
Functions§
- A run condition for
event_update_system
. - A system that calls
Events::update
on all registeredEvents
in the world. - Signals the
event_update_system
to run afterFixedUpdate
systems.