SpawnBomb

using UnityEngine;
using System.Collections;
using System;


[RequireComponent(typeof(AudioSource))]
public class SpawnBomb : MonoBehaviour
{

    //Drag in the Bomb into the Component Inspector.
    public GameObject Bombs;

    //Enter the Speed of the Bomb from the Component Inspector.
    public float Bomb_Forward_Force;
    //Max ammo until you need to reload
    public int MaxAmmo;
    //Current ammo
    protected int Ammo;
    Rigidbody rb;
    //AudioSource
    AudioSource Sounds;
    public double m_ReArmTimer = 2;
    // Use this for initialization
    void Start()
    {
        //Get the rigidbody of the ship
        rb = GetComponentInParent<Rigidbody>();
        Sounds = GetComponent<AudioSource>();
        //Set the current ammo to be equal to the max ammo.
        Ammo = MaxAmmo;
    }
.
    // Update is called once per frame
    void Update()
    {
        //Start a timer to see how long it has been since we fired the bullet
        m_ReArmTimer += Time.deltaTime;

        if (Input.GetMouseButtonDown(1))
        {
            if (Ammo >= 1)
            {
                //Reset the timer of when we last shot
                m_ReArmTimer = 0;
                //The Bullet instantiation happens here.
                GameObject Temporary_Bullet_Handler;
                Temporary_Bullet_Handler = Instantiate(Bombs, transform.position, transform.rotation) as GameObject;
                Ammo = Ammo - 1;
                //Sometimes bullets may appear rotated incorrectly due to the way its pivot was set from the original modeling package.
                //This is EASILY corrected here, you might have to rotate it from a different axis and or angle based on your particular mesh.
                //Temporary_Bullet_Handler.transform.Rotate(Vector3.down * 90);

                //Retrieve the Rigidbody component from the instantiated Bullet and control it.
                Rigidbody Temporary_RigidBody;
                Temporary_RigidBody = Temporary_Bullet_Handler.GetComponent<Rigidbody>();

                //Set the velocity of the bomb to the same as the ship, this effectively prevents you from running into your own bombs
                Temporary_RigidBody.velocity = rb.velocity;

                //Tell the bullet to be "pushed" forward by an amount set by Bullet_Forward_Force.
                Temporary_RigidBody.AddForce(transform.forward * Bomb_Forward_Force);

                //Basic Clean Up, set the Bullets to self destruct after 10 Seconds, I am being generous here, normally 3 seconds is plenty.
                Destroy(Temporary_Bullet_Handler, 10.0f);
                //Play our fire sound
                Sounds.Play();
            }
        }
        //If you have no ammo reload!
        if (Ammo <= 0)
        {
            //Start out couroutine
            StartCoroutine(Reload());
        }
    }
    // This is the reload function that we call when out of ammo
    private IEnumerator Reload()
    {
        yield return new WaitForSeconds(3);
        Ammo = MaxAmmo;
    }
}