Struct Schedule 

pub struct Schedule { /* private fields */ }

Ordered list of systems with optional labels and run conditions.

Implementations

impl Schedule

pub fn new() -> Self

Creates an empty schedule.

pub fn add_system(&mut self, s: Box<dyn System>) -> &mut Self

Adds a system.

pub fn add_system_with_label( &mut self, s: Box<dyn System>, label: impl Into<SystemLabel>, ) -> &mut Self

Adds a labelled system.

pub fn add_system_with_condition( &mut self, s: Box<dyn System>, cond: impl Fn(&World) -> bool + Send + Sync + 'static, ) -> &mut Self

Adds a system with a run condition.

pub fn add_system_full( &mut self, s: Box<dyn System>, label: impl Into<SystemLabel>, cond: impl Fn(&World) -> bool + Send + Sync + 'static, ) -> &mut Self

Adds a labelled system with a run condition.

pub fn remove_system(&mut self, label: &SystemLabel)

Removes all systems with label.

pub fn system_count(&self) -> usize

Number of system slots.

pub fn run(&mut self, world: &mut World)

Runs all systems, incrementing the world tick first.

pub fn labels(&self) -> Vec<Option<&SystemLabel>>

Labels of all systems in order.

Trait Implementations

impl Default for Schedule

fn default() -> Self

Returns the “default value” for a type.