Unity 3d Gun Script by allunityscripts

Gun Script

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

public class Gun : MonoBehaviour {

    public Transform bulletSpawn;
    public Rigidbody bullet;
    public float bulletSpeed;

// Update is called once per frame
void Update () {
        if (Input.GetButtonDown("Fire1"))
        {
            Rigidbody bulletRigidbody;
            bulletRigidbody = Instantiate(bullet, bulletSpawn.position, bulletSpawn.rotation) as Rigidbody;
            bulletRigidbody.AddForce(bulletSpawn.forward * bulletSpeed);
        }   
}
}