class GamePlay extends Board {
    constructor(ctx, key) {
        super(ctx, key);

        this.controls = {
            'KeyX': ()=>{ 
                            this.balls.push(new Ball(this.ctx, this.bar)); 
                            this.balls[this.balls.length - 1].start(); 
                        },
            'Space': ()=>{
                            this.balls[0].moving = true;
                        }
        }

        this.score = new Score(ctx);
        this.lives = new Lives(ctx);
        this.bar = new Bar(ctx, key);
        this.newGame();
    }

    newGame() {
        this.lives.reset();
        this.score.reset();
        this.bar.reset();
        this.balls = [];
        this.balls.push(new Ball(this.ctx, this.bar));
    }

    update() {
        if(this.lives.get()==0) {
            gameOver.update();
        } else {
            this.balls = this.balls.filter(ball => ball.update());
            if (this.balls.length==0) {
                if ( !this.lives.lost() ) this.balls.push(new Ball(this.ctx, this.bar));
            }
            this.bar.update();
        }
        this.score.update();
        this.lives.update();
    }
}