robotcritter/hypoloop
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Added nanosecond-accuracy time debug

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skyeshroom 2021-08-11 11:47:06 -07:00
parent d748a8fe2d
commit 38a9f8f2c7
1 changed files with 5 additions and 3 deletions
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8
src/main.rs
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@ -7,7 +7,7 @@ use std::time::{Duration, Instant};
// if REALTIME is false, the simulation runs as fast as possible and doesn't run the display function // if REALTIME is false, the simulation runs as fast as possible and doesn't run the display function
const UPDATE_INTERVAL: u32 = 40; const UPDATE_INTERVAL: u32 = 40;
const TIMESCALE: f32 = 1.0; const TIMESCALE: f32 = 1.0;
const REALTIME: bool = false; const REALTIME: bool = true;
// debug constants // debug constants
const DEBUG_LOOP: bool = false; const DEBUG_LOOP: bool = false;
@ -33,12 +33,12 @@ fn main() {
// mutable delta time and timescale for flexibility // mutable delta time and timescale for flexibility
let mut current_timescale: f32; let mut current_timescale: f32;
let mut current_delta_time: u32; let mut current_delta_time: u32;
let elapsed_time = Instant::now().duration_since(last_tick);
// update clocks // update clocks
if REALTIME { if REALTIME {
current_timescale = TIMESCALE; current_timescale = TIMESCALE;
current_delta_time = delta_time(last_tick); current_delta_time = delta_time(last_tick);
let elapsed_time = Instant::now().duration_since(last_tick);
sim_time += elapsed_time.mul_f32(TIMESCALE); sim_time += elapsed_time.mul_f32(TIMESCALE);
irl_time += elapsed_time; irl_time += elapsed_time;
} else { } else {
@ -50,7 +50,9 @@ fn main() {
// DEBUG // DEBUG
if DEBUG_TIME { if DEBUG_TIME {
println!("REALTIME: {} | IRL time: {}ms | Sim time: {}ms | Delta time: {}ms", REALTIME, irl_time.as_millis(), sim_time.as_millis(), current_delta_time); let loop_delay_ms = elapsed_time.as_nanos() as f32 / 1_000_000.0;
let loop_rate_hz = 1000.0 / loop_delay_ms;
println!("REALTIME: {} | IRL time: {}ms | Sim time: {}ms | Tick delay/rate: {}ms/{}hz", REALTIME, irl_time.as_millis(), sim_time.as_millis(), loop_delay_ms, loop_rate_hz);
} }
// update // update