PaddleMove

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PaddleMove : MonoBehaviour
{
    public float speed = 5f;
    public GameObject bullet;
    public int fireRate;
    float timeFromLastShoot = 0;

    void Update()
    {
        Move();
        Shoot();
    }

    //Movement function
    void Move()
    {
        //Get which way we want to move from GetAxisRaw
        float x = Input.GetAxisRaw("Horizontal");
        //calculate the speed in the set direction
        float speedDir = x * speed * Time.deltaTime;
        transform.position += new Vector3(speedDir, 0, 0);
    }

    void Shoot()
    {
        //calculating time from last shot
        timeFromLastShoot += Time.deltaTime;
        //calculating where should the bullet appear
        Vector3 pos = transform.position + new Vector3(0, 1, 0);
        //if the time from the last shot is long enough
        if (timeFromLastShoot >= (1 / fireRate))
        {
            //After pressing the fire button
            if (Input.GetButtonDown("Fire1"))
            {
                //create a bullet
                Instantiate(bullet, pos, Quaternion.identity);
                //reset time from last shot
                timeFromLastShoot = 0;
            }
        }
    }
}