45 lines
1005 B
Rust
45 lines
1005 B
Rust
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//! Keep track of the time we spent in each part of the game loop.
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use std::time::Instant;
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/// Utility struct.
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/// Keeps track of the time we spent in each part of the game loop.
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pub struct Timing {
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timer: Option<Instant>,
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/// The time we spent simulating game state
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pub galaxy: f32,
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/// The time we spent simulating physics
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pub physics: f32,
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}
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impl Timing {
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/// Create a new timing struct
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pub fn new() -> Self {
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Self {
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timer: None,
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galaxy: f32::NAN,
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physics: f32::NAN,
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}
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}
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/// Start the timer
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pub fn start(&mut self) {
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self.timer = Some(Instant::now());
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}
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/// Clear timer and record galaxy simulation time.
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/// Assumes timer has been started
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pub fn mark_galaxy(&mut self) {
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self.galaxy = self.timer.unwrap().elapsed().as_secs_f32();
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self.timer = None;
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}
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/// Clear timer and record physics simulation time
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/// Asumes timer has been started
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pub fn mark_physics(&mut self) {
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self.physics = self.timer.unwrap().elapsed().as_secs_f32();
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self.timer = None;
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}
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}
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