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TimePlugin

Struct TimePlugin 

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pub struct TimePlugin;
Expand description

Plugin that provides time tracking for the game loop.

This plugin sets up the Time resource which tracks delta time, elapsed time, frame count, time scaling, and fixed timestep support.

§Resources Provided

  • Time - Frame timing and game time information

§Example

use astrelis::prelude::*;

let engine = Engine::builder()
    .add_plugin(TimePlugin)
    .build();

// In your app:
fn update(&mut self, ctx: &mut AppCtx, time: &Time) {
    let dt = time.delta_seconds();
    position += velocity * dt; // Frame-independent movement
}

Trait Implementations§

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impl Plugin for TimePlugin

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type Dependencies = ()

Type-safe plugin dependencies. Read more
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fn name(&self) -> &'static str

Returns the unique name of this plugin. Read more
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fn build(&self, resources: &mut Resources)

Called when the plugin is added to the engine. Read more
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fn finish(&self, resources: &mut Resources)

Called after all plugins have been built. Read more
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fn cleanup(&self, resources: &mut Resources)

Called when the plugin is removed from the engine. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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where U: From<T>,

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<P> PluginDyn for P
where P: Plugin,

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fn name(&self) -> &'static str

Returns the unique name of this plugin.
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fn dependencies(&self) -> Vec<&'static str>

Returns the names of plugins this plugin depends on.
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fn build(&self, resources: &mut Resources)

Called when the plugin is added to the engine.
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fn finish(&self, resources: &mut Resources)

Called after all plugins have been built.
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fn cleanup(&self, resources: &mut Resources)

Called when the plugin is removed from the engine.
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impl<P> PluginSet for P
where P: Plugin,

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fn names() -> Vec<&'static str>

Returns the type names of all plugins in this set.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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impl<T> WasmNotSync for T
where T: Sync,