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import { Thread } from 'sphere-runtime';
import { EventEmitter } from 'events';

const maxListeners = 32;
const escOnlyOnce = true;
let ei = new EventEmitter(maxListeners);

export default class Game extends Thread {
    constructor() {
        super();
        ei.addListener("escEvent", () => {
            Sphere.shutDown();
        }, escOnlyOnce);
    }

    on_update() {
        if(kb.isPressed(Key.Escape)) ei.emit("escEvent");
     }   
}

ei.addListener("escEvent", Sphere.shutDown, escOnlyOnce, () => {
    return kb.isPressed(Key.Escape);
});