Function now_us

packages/server/src/simulators/session.rs:567–572

()

}

fn now_us() -> u64 {
    SystemTime::now()
        .duration_since(UNIX_EPOCH)
        .unwrap_or(Duration::ZERO)
        .as_micros() as u64
}

fn shared_refresh_interval() -> Duration {
    let target_fps = std::env::var("SIMDECK_REALTIME_FPS")