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track time since startup

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This commit is contained in:
Carter Anderson 2020-05-30 21:32:47 -07:00
parent a463c040d7
commit 19bf386de9
1 changed files with 11 additions and 0 deletions
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11
crates/bevy_core/src/time.rs
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@ -6,6 +6,8 @@ pub struct Time {
pub instant: Option<Instant>, pub instant: Option<Instant>,
pub delta_seconds_f64: f64, pub delta_seconds_f64: f64,
pub delta_seconds: f32, pub delta_seconds: f32,
pub seconds_since_startup: f64,
pub startup: Instant,
} }
impl Default for Time { impl Default for Time {
@ -13,7 +15,9 @@ impl Default for Time {
Time { Time {
delta: Duration::from_secs(0), delta: Duration::from_secs(0),
instant: None, instant: None,
startup: Instant::now(),
delta_seconds_f64: 0.0, delta_seconds_f64: 0.0,
seconds_since_startup: 0.0,
delta_seconds: 0.0, delta_seconds: 0.0,
} }
} }
@ -28,8 +32,15 @@ impl Time {
self.delta.as_secs() as f64 + (self.delta.subsec_nanos() as f64 / 1.0e9); self.delta.as_secs() as f64 + (self.delta.subsec_nanos() as f64 / 1.0e9);
self.delta_seconds = self.delta_seconds_f64 as f32; self.delta_seconds = self.delta_seconds_f64 as f32;
} }
let duration_since_startup = now - self.startup;
self.seconds_since_startup = duration_since_startup.as_secs() as f64 + (duration_since_startup.subsec_nanos() as f64 / 1.0e9);
self.instant = Some(now); self.instant = Some(now);
} }
pub fn time_since_startup(&self) -> Duration {
Instant::now() - self.startup
}
} }
pub fn timer_system(mut time: ResMut<Time>) { pub fn timer_system(mut time: ResMut<Time>) {