[−]Struct bevy::ecs::EntityBuilder
Helper for incrementally constructing a bundle of components with dynamic component types
Prefer reusing the same builder over creating new ones repeatedly.
let mut world = World::new(); let mut builder = EntityBuilder::new(); builder.add(123).add("abc"); let e = world.spawn(builder.build()); // builder can now be reused assert_eq!(*world.get::<i32>(e).unwrap(), 123); assert_eq!(*world.get::<&str>(e).unwrap(), "abc");
Implementations
impl EntityBuilder
pub fn new() -> EntityBuilder
Create a builder representing an entity with no components
pub fn add<T>(&mut self, component: T) -> &mut EntityBuilder where
T: Component,
T: Component,
Add component
to the entity
pub fn build(&mut self) -> BuiltEntity<'_>
Construct a Bundle
suitable for spawning
pub fn clear(&mut self)
Drop previously add
ed components
The builder is cleared implicitly when an entity is built, so this doesn't usually need to be called.
Trait Implementations
impl Default for EntityBuilder
pub fn default() -> EntityBuilder
impl Drop for EntityBuilder
pub fn drop(&mut self)
impl Send for EntityBuilder
impl Sync for EntityBuilder
Auto Trait Implementations
impl RefUnwindSafe for EntityBuilder
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impl Unpin for EntityBuilder
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impl UnwindSafe for EntityBuilder
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Any for T where
T: Any,
T: Any,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> Component for T where
T: 'static + Send + Sync,
T: 'static + Send + Sync,
impl<T> Downcast for T where
T: Any,
T: Any,
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub fn as_any(&self) -> &(dyn Any + 'static)
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
impl<T> DowncastSync for T where
T: Send + Sync + Any,
T: Send + Sync + Any,
impl<T> From<T> for T
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impl<T> FromResources for T where
T: Default,
T: Default,
pub fn from_resources(_resources: &Resources) -> T
impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
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Notable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
pub fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
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Notable traits for Instrumented<T>
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Resource for T where
T: 'static + Send + Sync,
T: 'static + Send + Sync,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,