CrispyPin/marble-machinations
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reduce simulation steps in a frame if time exceeds 30fps, to avoid freezing the application

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Crispy 2024-12-07 19:52:28 +01:00
parent c1094980a6
commit e0d0a297b9
1 changed files with 7 additions and 1 deletions
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8
src/editor.rs
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@ -2,6 +2,7 @@ use std::{
fs::{read_dir, read_to_string},
mem::transmute,
ops::Rem,
time::Instant,
};
use raylib::prelude::*;
@ -30,6 +31,7 @@ const MAX_ZOOM_IN: i32 = 3;
const BOARD_MARGIN: isize = 3;
const MAX_SPEED_POWER: u8 = 16;
const SPEED_DIGITS: u8 = 5;
const MAX_FRAME_TIME_MICROS: u128 = 1000_000 / 30;
#[derive(Debug)]
pub struct Editor {
@ -178,7 +180,7 @@ impl Editor {
}
fn step(&mut self) {
let start_time = std::time::Instant::now();
let start_time = Instant::now();
self.machine.step();
self.step_time = start_time.elapsed().as_micros();
@ -334,11 +336,15 @@ impl Editor {
let step_size = 1. / (1 << self.sim_speed) as f32;
if self.time_since_step > step_size {
let step_count = (self.time_since_step / step_size) as u32;
let start_time = Instant::now();
for _ in 0..step_count {
if self.sim_state != SimState::Running {
// pause on level completion
break;
}
if start_time.elapsed().as_micros() > MAX_FRAME_TIME_MICROS {
break;
}
self.step();
}
self.time_since_step -= step_count as f32 * step_size;