class rotating {
    #sideways;
    #up_down;

    static get top() {
        return 1;
    }

    static get bottom() {
        return -1;
    }   

    static get left() {
        return -1;
    }

    static get right() {
        return 1;
    }

    constructor() {
        this.stop();
    }

    stop() {
        this.#sideways = 0;
        this.#up_down = 0;
    }

    add_top() {
        this.#up_down = rotating.top;
    }

    add_bottom() {
        this.#up_down = rotating.bottom;
    }

    add_left() {
        this.#sideways = rotating.left;
    }

    add_right() {
        this.#sideways = rotating.right;
    }

    stop_sideways() {
        this.#sideways = 0;
    }

    stop_up_down() {
        this.#up_down = 0;
    }

    get is_left() {
        return this.#sideways === rotating.left;
    }

    get is_right() {
        return this.#sideways === rotating.right;
    }

    get is_top() {
        return this.#up_down === rotating.top;
    }   

    get is_bottom() {
        return this.#up_down === rotating.bottom;
    }
}

export { rotating }