bevy/examples/app/custom_loop.rs
Alice Cecile 6f5a4d9deb
Rename add_resource to insert_resource (#1356)
* Renamed add_resource to insert_resource

* Changed usage of add_resource to insert_resource

* Renamed add_thread_local_resource
2021-01-30 12:55:13 -08:00

29 lines
757 B
Rust

use bevy::prelude::*;
use std::{io, io::BufRead};
struct Input(String);
/// This example demonstrates you can create a custom runner (to update an app manually). It reads
/// lines from stdin and prints them from within the ecs.
fn my_runner(mut app: App) {
println!("Type stuff into the console");
for line in io::stdin().lock().lines() {
{
let mut input = app.resources.get_mut::<Input>().unwrap();
input.0 = line.unwrap();
}
app.update();
}
}
fn print_system(input: Res<Input>) {
println!("You typed: {}", input.0);
}
fn main() {
App::build()
.insert_resource(Input(String::new()))
.set_runner(my_runner)
.add_system(print_system.system())
.run();
}