Struct bones_framework::time::Timer

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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§

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impl Timer

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pub fn new(duration: Duration, mode: TimerMode) -> Self

Creates a new timer with a given duration.

See also Timer::from_seconds.

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pub fn from_seconds(duration: f32, mode: TimerMode) -> Self

Creates a new timer with a given duration in seconds.

§Example
let mut timer = Timer::from_seconds(1.0, TimerMode::Once);
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pub fn finished(&self) -> bool

Returns true if the timer has reached its duration at least once. See also Timer::just_finished.

§Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, TimerMode::Once);
timer.tick(Duration::from_secs_f32(1.5));
assert!(timer.finished());
timer.tick(Duration::from_secs_f32(0.5));
assert!(timer.finished());
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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, TimerMode::Once);
timer.tick(Duration::from_secs_f32(1.5));
assert!(timer.just_finished());
timer.tick(Duration::from_secs_f32(0.5));
assert!(!timer.just_finished());
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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, TimerMode::Once);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.elapsed(), Duration::from_secs_f32(0.5));
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pub fn elapsed_secs(&self) -> f32

Returns the time elapsed on the timer as an f32. See also Timer::elapsed.

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pub fn set_elapsed(&mut self, time: Duration)

Sets the elapsed time of the timer without any other considerations.

§Example
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, TimerMode::Once);
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());
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pub fn duration(&self) -> Duration

Returns the duration of the timer.

§Examples
use std::time::Duration;
let timer = Timer::new(Duration::from_secs(1), TimerMode::Once);
assert_eq!(timer.duration(), Duration::from_secs(1));
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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, TimerMode::Once);
timer.set_duration(Duration::from_secs(1));
assert_eq!(timer.duration(), Duration::from_secs(1));
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pub fn mode(&self) -> TimerMode

Returns the mode of the timer.

§Examples
let mut timer = Timer::from_seconds(1.0, TimerMode::Repeating);
assert_eq!(timer.mode(), TimerMode::Repeating);
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pub fn set_mode(&mut self, mode: TimerMode)

Sets the mode of the timer.

§Examples
let mut timer = Timer::from_seconds(1.0, TimerMode::Repeating);
timer.set_mode(TimerMode::Once);
assert_eq!(timer.mode(), TimerMode::Once);
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pub fn tick(&mut self, delta: Duration) -> &Self

Advance the timer by delta seconds. Non repeating timer will clamp at duration. Repeating timer will wrap around. Will not affect paused timers.

See also Stopwatch::tick.

§Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(1.0, TimerMode::Once);
let mut repeating = Timer::from_seconds(1.0, TimerMode::Repeating);
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);
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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, TimerMode::Once);
timer.pause();
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.elapsed_secs(), 0.0);
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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, TimerMode::Once);
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);
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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, TimerMode::Once);
assert!(!timer.paused());
timer.pause();
assert!(timer.paused());
timer.unpause();
assert!(!timer.paused());
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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, TimerMode::Once);
timer.tick(Duration::from_secs_f32(1.5));
timer.reset();
assert!(!timer.finished());
assert!(!timer.just_finished());
assert_eq!(timer.elapsed_secs(), 0.0);
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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, TimerMode::Once);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.percent(), 0.25);
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pub fn percent_left(&self) -> f32

Returns the percentage of the timer remaining time (goes from 1.0 to 0.0).

§Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(2.0, TimerMode::Once);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.percent_left(), 0.75);
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pub fn remaining_secs(&self) -> f32

Returns the remaining time in seconds

§Examples
use std::cmp::Ordering;
use std::time::Duration;
let mut timer = Timer::from_seconds(2.0, TimerMode::Once);
timer.tick(Duration::from_secs_f32(0.5));
let result = timer.remaining_secs().total_cmp(&1.5);
assert_eq!(Ordering::Equal, result);
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pub fn remaining(&self) -> Duration

Returns the remaining time using Duration

§Examples
use std::time::Duration;
let mut timer = Timer::from_seconds(2.0, TimerMode::Once);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.remaining(), Duration::from_secs_f32(1.5));
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pub fn times_finished_this_tick(&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, TimerMode::Repeating);
timer.tick(Duration::from_secs_f32(6.0));
assert_eq!(timer.times_finished_this_tick(), 6);
timer.tick(Duration::from_secs_f32(2.0));
assert_eq!(timer.times_finished_this_tick(), 2);
timer.tick(Duration::from_secs_f32(0.5));
assert_eq!(timer.times_finished_this_tick(), 0);

Trait Implementations§

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impl Clone for Timer

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fn clone(&self) -> Timer

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Timer

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for Timer

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fn default() -> Timer

Returns the “default value” for a type. Read more
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impl HasSchema for Timer

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fn schema() -> &'static Schema

Get this type’s [Schema].
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fn register_schema()

Register this schema with the global schema registry. Read more
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fn cast<T>(this: &Self) -> &T
where T: HasSchema,

Cast a reference of this type to a reference of another type with the same memory layout. Read more
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fn try_cast<T>(this: &Self) -> Result<&T, SchemaMismatchError>
where T: HasSchema,

Cast a reference of this type to a reference of another type with the same memory layout. Read more
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fn cast_mut<T>(this: &mut Self) -> &mut T
where T: HasSchema,

Cast a mutable reference of this type to a reference of another type with the same memory layout. Read more
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fn try_cast_mut<T>(this: &mut Self) -> Result<&mut T, SchemaMismatchError>
where T: HasSchema,

Cast a mutable reference of this type to a reference of another type with the same memory layout. Read more
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fn as_schema_ref(&self) -> SchemaRef<'_>
where Self: Sized,

Converts a reference of T to a SchemaRef
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fn as_schema_mut(&mut self) -> SchemaRefMut<'_>
where Self: Sized,

Converts a reference of T to a SchemaRefMut

Auto Trait Implementations§

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impl Freeze for Timer

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impl RefUnwindSafe for Timer

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impl Send for Timer

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impl Sync for Timer

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impl Unpin for Timer

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impl UnwindSafe for Timer

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

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Gets the TypeId of self. Read more
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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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Causes self to use its Display implementation when Debug-formatted.
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