freya_core/
animation_clock.rs

1use std::{
2    sync::{
3        Arc,
4        atomic::{
5            AtomicU32,
6            Ordering,
7        },
8    },
9    time::Duration,
10};
11
12use tracing::info;
13
14use crate::prelude::consume_root_context;
15
16#[derive(Clone)]
17pub struct AnimationClock(Arc<AtomicU32>);
18
19impl Default for AnimationClock {
20    fn default() -> Self {
21        Self::new()
22    }
23}
24
25impl AnimationClock {
26    pub const DEFAULT_SPEED: f32 = 1.0;
27    pub const MIN_SPEED: f32 = 0.05;
28    pub const MAX_SPEED: f32 = 5.0;
29
30    pub fn get() -> Self {
31        consume_root_context()
32    }
33
34    pub fn new() -> Self {
35        Self(Arc::new(AtomicU32::new(Self::DEFAULT_SPEED.to_bits())))
36    }
37
38    pub fn speed(&self) -> f32 {
39        let bits = self.0.load(Ordering::Relaxed);
40        (f32::from_bits(bits).clamp(Self::MIN_SPEED, Self::MAX_SPEED) * 100.0).round() / 100.0
41    }
42
43    pub fn set_speed(&self, speed: f32) {
44        let speed = speed.clamp(Self::MIN_SPEED, Self::MAX_SPEED);
45        self.0.store(speed.to_bits(), Ordering::Relaxed);
46        info!("Animation clock speed changed to {:.2}x", speed);
47    }
48
49    pub fn correct_elapsed_duration(&self, elapsed: Duration) -> Duration {
50        let scaled_secs = elapsed.as_secs_f32() * self.speed();
51        Duration::from_secs_f32(scaled_secs)
52    }
53}
freya_core/animation_clock.rs

freya_core/
animation_clock.rs
