class PowerUpBall {
    constructor(game, cx, cy) {
        this.game = game;
        this.cx = cx;
        this.cy = cy;
        this.anim = 0.1;
        this.animChange = 0.025;
    }

    draw() {
        this.game.ctx.fillStyle = '#fff';
        this.game.ctx.strokeStyle = '#fff';
        this.game.ctx.beginPath();
        this.game.ctx.arc(this.cx, this.cy, this.game.powerUpRadius * .6, 0, 2 * Math.PI);
        this.game.ctx.fill();

        this.game.ctx.beginPath();
        this.game.ctx.arc(this.cx, this.cy, this.game.powerUpRadius * (.6 + this.anim), 0, 2 * Math.PI);
        this.game.ctx.stroke();

        this.anim = this.anim + this.animChange;
        if (this.anim >= .4 || this.anim <= 0.1) {
            this.animChange *= -1;
        }
    }

    hit() {
        sounds.hitBall.play();
        this.game.newBalls++;
        this.remove();
    }

    remove() {
        this.game.powerUps.splice(this.game.powerUps.findIndex(powerUp => powerUp === this), 1);
    }
}