Trait bevy_ecs::Stage

pub trait Stage: Downcast + Send + Sync {
    pub fn initialize(&mut self, world: &mut World, resources: &mut Resources);
    pub fn run(&mut self, world: &mut World, resources: &mut Resources);
}

Required methods

pub fn initialize(&mut self, world: &mut World, resources: &mut Resources)

Stages can perform setup here. Initialize should be called for every stage before calling Stage::run. Initialize will be called once per update, so internally this should avoid re-doing work where possible.

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

Runs the stage. This happens once per update (after Stage::initialize is called).

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Implementations

impl dyn Stage

pub fn is<__T: Stage>(&self) -> bool

Returns true if the trait object wraps an object of type __T.

pub fn downcast<__T: Stage>(self: Box<Self>) -> Result<Box<__T>, Box<Self>>

Returns a boxed object from a boxed trait object if the underlying object is of type __T. Returns the original boxed trait if it isn't.

pub fn downcast_rc<__T: Stage>(self: Rc<Self>) -> Result<Rc<__T>, Rc<Self>>

Returns an Rc-ed object from an Rc-ed trait object if the underlying object is of type __T. Returns the original Rc-ed trait if it isn't.

pub fn downcast_ref<__T: Stage>(&self) -> Option<&__T>

Returns a reference to the object within the trait object if it is of type __T, or None if it isn't.

pub fn downcast_mut<__T: Stage>(&mut self) -> Option<&mut __T>

Returns a mutable reference to the object within the trait object if it is of type __T, or None if it isn't.

Implementors

impl Stage for Schedule

pub fn initialize(&mut self, world: &mut World, resources: &mut Resources)

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

impl Stage for SystemStage

pub fn initialize(&mut self, world: &mut World, resources: &mut Resources)

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

impl<T: Resource + Clone> Stage for StateStage<T>

pub fn initialize(&mut self, world: &mut World, resources: &mut Resources)

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

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