use crate::prelude::*;
use crate::ecs::{Cooler, Temperature};

pub fn heat_cooling_plugin(app: &mut App) {
    app.add_systems(Update, cool_part);
}

fn cool_part(
    time: Res<Time>,
    mut parts: Query<(&mut Temperature, &Cooler)>
) {
    for (mut temperature, cooler) in parts.iter_mut() {
        temperature.0 += cooler.heat_cooling_constant * (cooler.cool_temperature - temperature.0)
            * time.delta_secs() as f64;
    }
}