tinybit 0.3.0

terminal drawing / game library
Documentation 
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use std::sync::mpsc::{self, Receiver};
use std::thread;
use std::time::Duration;

use crossterm::event::{read, Event as CrossTermEvent};

pub use crossterm::event::{KeyCode, KeyEvent};

type Rx = Receiver<Event>;

pub enum Event {
    Tick,
    Key(KeyEvent),
}

// -----------------------------------------------------------------------------
//     - Events -
// -----------------------------------------------------------------------------
pub struct Events {
    rx: Rx,
}

impl Iterator for Events {
    type Item = Event;

    fn next(&mut self) -> Option<Self::Item> {
        self.rx.recv().ok()
    }
}

// -----------------------------------------------------------------------------
//     - Init events -
// -----------------------------------------------------------------------------
/// Produce events.
///
/// ```
/// # use crate::*;
/// let fps = 20;
/// for event in events(fps) {
///     match event {
///         Event::Tick => {
///     #       break
///         }
///         _ => {}
///     }
/// }
/// ```
pub fn events(fps: u64) -> Events {
    let (tx, rx) = mpsc::channel();

    // Input events
    let tx_clone = tx.clone();
    thread::spawn(move || loop {
        if let Ok(ev) = read() {
            if let CrossTermEvent::Key(k) = ev {
                let _ = tx_clone.send(Event::Key(k));
            }
        }
    });

    // Frames
    thread::spawn(move || loop {
        let _ = tx.send(Event::Tick);
        thread::sleep(Duration::from_millis(1000 / fps));
    });

    Events { rx }
}