pub struct Timer { /* private fields */ }
Expand description
Tracks elapsed time. Enters the finished state once duration
is reached.
Non repeating timers will stop tracking and stay in the finished state until reset.
Repeating timers will only be in the finished state on each tick duration
is reached or
exceeded, and can still be reset at any given point.
Paused timers will not have elapsed time increased.
Implementations
impl Timer
impl Timer
pub fn new(duration: Duration, repeating: bool) -> Timer
pub fn new(duration: Duration, repeating: bool) -> Timer
Creates a new timer with a given duration.
See also Timer::from_seconds
.
pub fn from_seconds(duration: f32, repeating: bool) -> Timer
pub fn from_seconds(duration: f32, repeating: bool) -> Timer
Creates a new timer with a given duration in seconds.
Example
let mut timer = Timer::from_seconds(1.0, false);
pub fn finished(&self) -> bool
pub fn finished(&self) -> bool
Returns true
if the timer has reached its duration.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.tick(Duration::from_secs_f32(1.5));
assert!(timer.finished());
timer.tick(Duration::from_secs_f32(0.5));
assert!(timer.finished());
pub fn just_finished(&self) -> bool
pub fn just_finished(&self) -> bool
Returns true
only on the tick the timer reached its duration.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.tick(Duration::from_secs_f32(1.5));
assert!(timer.just_finished());
timer.tick(Duration::from_secs_f32(0.5));
assert!(!timer.just_finished());
pub fn elapsed(&self) -> Duration
pub fn elapsed(&self) -> Duration
Returns the time elapsed on the timer. Guaranteed to be between 0.0 and duration
.
Will only equal duration
when the timer is finished and non repeating.
See also Stopwatch::elapsed
.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.elapsed(), Duration::from_secs_f32(0.5));
pub fn elapsed_secs(&self) -> f32
pub fn elapsed_secs(&self) -> f32
Returns the time elapsed on the timer as a f32
.
See also Timer::elapsed
.
pub fn set_elapsed(&mut self, time: Duration)
pub fn set_elapsed(&mut self, time: Duration)
Sets the elapsed time of the timer without any other considerations.
See also Stopwatch::set
.
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.set_elapsed(Duration::from_secs(2));
assert_eq!(timer.elapsed(), Duration::from_secs(2));
// the timer is not finished even if the elapsed time is greater than the duration.
assert!(!timer.finished());
pub fn duration(&self) -> Duration
pub fn duration(&self) -> Duration
Returns the duration of the timer.
Examples
use std::time::Duration;
let timer = Timer::new(Duration::from_secs(1), false);
assert_eq!(timer.duration(), Duration::from_secs(1));
pub fn set_duration(&mut self, duration: Duration)
pub fn set_duration(&mut self, duration: Duration)
Sets the duration of the timer.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.5, false);
timer.set_duration(Duration::from_secs(1));
assert_eq!(timer.duration(), Duration::from_secs(1));
pub fn repeating(&self) -> bool
pub fn repeating(&self) -> bool
Returns true
if the timer is repeating.
Examples
let mut timer = Timer::from_seconds(1.0, true);
assert!(timer.repeating());
pub fn set_repeating(&mut self, repeating: bool)
pub fn set_repeating(&mut self, repeating: bool)
Sets whether the timer is repeating or not.
Examples
let mut timer = Timer::from_seconds(1.0, true);
timer.set_repeating(false);
assert!(!timer.repeating());
pub fn tick(&mut self, delta: Duration) -> &Timer
pub fn tick(&mut self, delta: Duration) -> &Timer
Advance the timer by delta
seconds.
Non repeating timer will clamp at duration.
Repeating timer will wrap around.
See also Stopwatch::tick
.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
let mut repeating = Timer::from_seconds(1.0, true);
timer.tick(Duration::from_secs_f32(1.5));
repeating.tick(Duration::from_secs_f32(1.5));
assert_eq!(timer.elapsed_secs(), 1.0);
assert_eq!(repeating.elapsed_secs(), 0.5);
pub fn pause(&mut self)
pub fn pause(&mut self)
Pauses the Timer. Disables the ticking of the timer.
See also Stopwatch::pause
.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.pause();
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.elapsed_secs(), 0.0);
pub fn unpause(&mut self)
pub fn unpause(&mut self)
Unpauses the Timer. Resumes the ticking of the timer.
See also Stopwatch::unpause()
.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.pause();
timer.tick(Duration::from_secs_f32(0.5));
timer.unpause();
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.elapsed_secs(), 0.5);
pub fn paused(&self) -> bool
pub fn paused(&self) -> bool
Returns true
if the timer is paused.
See also Stopwatch::paused
.
Examples
let mut timer = Timer::from_seconds(1.0, false);
assert!(!timer.paused());
timer.pause();
assert!(timer.paused());
timer.unpause();
assert!(!timer.paused());
pub fn reset(&mut self)
pub fn reset(&mut self)
Resets the timer. the reset doesn’t affect the paused
state of the timer.
See also Stopwatch::reset
.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, false);
timer.tick(Duration::from_secs_f32(1.5));
timer.reset();
assert!(!timer.finished());
assert!(!timer.just_finished());
assert_eq!(timer.elapsed_secs(), 0.0);
pub fn percent(&self) -> f32
pub fn percent(&self) -> f32
Returns the percentage of the timer elapsed time (goes from 0.0 to 1.0).
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(2.0, false);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.percent(), 0.25);
pub fn percent_left(&self) -> f32
pub fn percent_left(&self) -> f32
Returns the percentage of the timer remaining time (goes from 0.0 to 1.0).
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(2.0, false);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.percent_left(), 0.75);
pub fn times_finished(&self) -> u32
pub fn times_finished(&self) -> u32
Returns the number of times a repeating timer
finished during the last tick
call.
For non repeating-timers, this method will only ever return 0 or 1.
Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, true);
timer.tick(Duration::from_secs_f32(6.0));
assert_eq!(timer.times_finished(), 6);
timer.tick(Duration::from_secs_f32(2.0));
assert_eq!(timer.times_finished(), 2);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.times_finished(), 0);
Trait Implementations
impl GetTypeRegistration for Timer
impl GetTypeRegistration for Timer
impl Reflect for Timer
impl Reflect for Timer
fn any_mut(&mut self) -> &mut (dyn Any + 'static)
fn any_mut(&mut self) -> &mut (dyn Any + 'static)
Returns the value as a &mut dyn Any
.
fn clone_value(&self) -> Box<dyn Reflect + 'static, Global>ⓘNotable traits for Box<F, A>impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
fn clone_value(&self) -> Box<dyn Reflect + 'static, Global>ⓘNotable traits for Box<F, A>impl<F, A> Future for Box<F, A> where
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
Clones the value as a Reflect
trait object. Read more
fn set(
&mut self,
value: Box<dyn Reflect + 'static, Global>
) -> Result<(), Box<dyn Reflect + 'static, Global>>
fn set(
&mut self,
value: Box<dyn Reflect + 'static, Global>
) -> Result<(), Box<dyn Reflect + 'static, Global>>
Performs a type-checked assignment of a reflected value to this value. Read more
fn apply(&mut self, value: &(dyn Reflect + 'static))
fn apply(&mut self, value: &(dyn Reflect + 'static))
Applies a reflected value to this value. Read more
fn reflect_ref(&self) -> ReflectRef<'_>
fn reflect_ref(&self) -> ReflectRef<'_>
Returns an enumeration of “kinds” of type. Read more
fn reflect_mut(&mut self) -> ReflectMut<'_>
fn reflect_mut(&mut self) -> ReflectMut<'_>
Returns a mutable enumeration of “kinds” of type. Read more
fn serializable(&self) -> Option<Serializable<'_>>
fn serializable(&self) -> Option<Serializable<'_>>
Returns a serializable version of the value. Read more
fn reflect_hash(&self) -> Option<u64>
fn reflect_hash(&self) -> Option<u64>
Returns a hash of the value (which includes the type). Read more
fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
fn reflect_partial_eq(&self, value: &(dyn Reflect + 'static)) -> Option<bool>
Returns a “partial equality” comparison result. Read more
impl Struct for Timer
impl Struct for Timer
fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
fn field(&self, name: &str) -> Option<&(dyn Reflect + 'static)>
Returns a reference to the value of the field named name
as a &dyn Reflect
. Read more
fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>
fn field_mut(&mut self, name: &str) -> Option<&mut (dyn Reflect + 'static)>
Returns a mutable reference to the value of the field named name
as a
&mut dyn Reflect
. Read more
fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>
fn field_at(&self, index: usize) -> Option<&(dyn Reflect + 'static)>
Returns a reference to the value of the field with index index
as a
&dyn Reflect
. Read more
fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>
fn field_at_mut(&mut self, index: usize) -> Option<&mut (dyn Reflect + 'static)>
Returns a mutable reference to the value of the field with index index
as a &mut dyn Reflect
. Read more
fn iter_fields(&self) -> FieldIter<'_>ⓘNotable traits for FieldIter<'a>impl<'a> Iterator for FieldIter<'a> type Item = &'a (dyn Reflect + 'static);
fn iter_fields(&self) -> FieldIter<'_>ⓘNotable traits for FieldIter<'a>impl<'a> Iterator for FieldIter<'a> type Item = &'a (dyn Reflect + 'static);
Returns an iterator over the values of the struct’s fields.
fn clone_dynamic(&self) -> DynamicStruct
fn clone_dynamic(&self) -> DynamicStruct
Clones the struct into a DynamicStruct
.
Auto Trait Implementations
impl RefUnwindSafe for Timer
impl Send for Timer
impl Sync for Timer
impl Unpin for Timer
impl UnwindSafe for Timer
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Downcast for T where
T: Any,
impl<T> Downcast for T where
T: Any,
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F: Future + Unpin + ?Sized,
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I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
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F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
F: Future + Unpin + ?Sized,
A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where
I: Iterator + ?Sized,
A: Allocator, type Item = <I as Iterator>::Item;
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
. Read more
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more
fn as_any(&self) -> &(dyn Any + 'static)
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. Read more
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
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. Read more
impl<T> FromWorld for T where
T: Default,
impl<T> FromWorld for T where
T: Default,
fn from_world(_world: &mut World) -> T
fn from_world(_world: &mut World) -> T
Creates Self
using data from the given World
impl<S> GetField for S where
S: Struct,
impl<S> GetField for S where
S: Struct,
impl<T> GetPath for T where
T: Reflect,
impl<T> GetPath for T where
T: Reflect,
fn path(
&'r self,
path: &'p str
) -> Result<&'r (dyn Reflect + 'static), ReflectPathError<'p>>
fn path(
&'r self,
path: &'p str
) -> Result<&'r (dyn Reflect + 'static), ReflectPathError<'p>>
Returns a reference to the value specified by path
. Read more
fn path_mut(
&'r mut self,
path: &'p str
) -> Result<&'r mut (dyn Reflect + 'static), ReflectPathError<'p>>
fn path_mut(
&'r mut self,
path: &'p str
) -> Result<&'r mut (dyn Reflect + 'static), ReflectPathError<'p>>
Returns a mutable reference to the value specified by path
. Read more
fn get_path<T>(&'r self, path: &'p str) -> Result<&'r T, ReflectPathError<'p>> where
T: Reflect,
fn get_path<T>(&'r self, path: &'p str) -> Result<&'r T, ReflectPathError<'p>> where
T: Reflect,
Returns a statically typed reference to the value specified by path
.
fn get_path_mut<T>(
&'r mut self,
path: &'p str
) -> Result<&'r mut T, ReflectPathError<'p>> where
T: Reflect,
fn get_path_mut<T>(
&'r mut self,
path: &'p str
) -> Result<&'r mut T, ReflectPathError<'p>> where
T: Reflect,
Returns a statically typed mutable reference to the value specified by
path
. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
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sourcefn 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;
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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sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> TypeData for T where
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T: 'static + Send + Sync + Clone,
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F: Future + Unpin + ?Sized,
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impl<V, T> VZip<V> for T where
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sourceimpl<T> WithSubscriber for T
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where
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where
S: Into<Dispatch>,
T: Future, type Output = <T as Future>::Output;
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
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T: Future, type Output = <T as Future>::Output;
Attaches the current default Subscriber
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