For Weapon Swapping: If we want to add more weapons, we must edit...

For Weapon Swapping: If we want to add more weapons, we must edit WeaponSwapScript.cs to accomodate for number button weapon swapping.

Assets/AutoGunScript.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+//We 'aquired' some code from our awesome director Andrew Conn, thanks buddy!
+
+    public class AutoGunScript : MonoBehaviour
+    {
+
+        public float damage = 7f;    // this used to be  10f from GunScript
+        public float range = 100f;    // this used to be  100f from GunScript
+        public float fireRate = 20f;  // this used to be   15f from GunScript
+
+        public Camera fpsCam;
+        public ParticleSystem muzzleFlash;
+
+        private float nextTimeToFire = 0f;
+
+
+        // Update is called once per frame
+        void Update()
+        {
+
+            if (Input.GetButton("Fire1") && Time.time >= nextTimeToFire)
+            {
+                nextTimeToFire = Time.time + 1f / fireRate;
+                Shoot();
+            }
+
+        }
+
+        // This makes sure that the gun is shot!  (Unchanged from GunScript)
+        void Shoot()
+        {
+            muzzleFlash.Play();
+
+            RaycastHit hit;
+            if (Physics.Raycast(fpsCam.transform.position, fpsCam.transform.forward, out hit, range))
+            {
+                Debug.Log(hit.transform.name);
+
+                Enemy enemy = hit.transform.GetComponent<Enemy>();
+                if (enemy != null)
+                {
+                    enemy.TakeDamage(damage);
+                }
+            }
+        }
+    }

Assets/SemiAutoGunScript.cs

+using System;
+using UnityEngine;
+//We 'aquired' some code from our awsome director Andrew Conn, thanks buddy!
+
+    public class SemiAutoGunScript : MonoBehaviour
+    {
+
+        public float damage = 15f;    // this used to be 10f  from GunScript
+        public float range = 100f;    // this used to be 100f from GunScript
+        public float fireRate = 10f;  // this used to be 15f from GunScript
+
+        public Camera fpsCam;
+        public ParticleSystem muzzleFlash;
+
+        private float nextTimeToFire = 0f;
+
+
+        // Update is called once per frame
+        void Update()
+        {
+
+            if (Input.GetButton("Fire1") && Time.time >= nextTimeToFire)
+            {
+                nextTimeToFire = Time.time + 1f / fireRate;
+                Shoot();
+            }
+
+        }
+
+        //  This makes sure the gun shoots!  (Unchaged from GunScript)
+        void Shoot()
+        {
+            muzzleFlash.Play();
+
+            RaycastHit hit;
+            if (Physics.Raycast(fpsCam.transform.position, fpsCam.transform.forward, out hit, range))
+            {
+                Debug.Log(hit.transform.name);
+
+                Enemy enemy = hit.transform.GetComponent<Enemy>();
+                if (enemy != null)
+                {
+                    enemy.TakeDamage(damage);
+                }
+            }
+        }
+    }

Assets/WeaponSwapScript.cs

+using System;
+using UnityEngine;
+
+/*  
+ * This WeaponSwapScript makes sure that, if the player wants to swap weapons,
+ * they can swap weapons!  
+ * 
+ * WARNING:  If we want to add more weapons, we have to modify this script to 
+ * accomodate for swapping weapons with the number buttons. Currently, it can
+ * swap through 3 weapons.
+ */
+public class WeaponSwapScript : MonoBehaviour
+{
+
+    public int selectedWeapon = 0;
+
+    //  Start makes sure a weapon is selected at the start of a level
+    void Start()
+    {
+        SelectWeapon();
+    }
+
+    // Update is called once per frame.
+    // Update checks to see if either:
+    //   -the scroll wheel is changing what weapon is active
+    //   -the number buttons (not the num pad) are changing what weapon is active
+    void Update()
+    {
+        //This is used at the bottom of Update to check and make sure that the 
+        //current weapon is the same as the newly selected weapon.
+        //If they're different, then the current weapon will update.
+        int previousSelectedWeapon = selectedWeapon;
+
+        //When the scroll wheel goes up.
+        if (Input.GetAxis("Mouse ScrollWheel") > 0f)
+        {
+            //If the selected weapon is already at the top of list, 
+            //then it'll wrap around to the bottom of the list. Else, keep 
+            //going up the list of weapons.
+            if (selectedWeapon >= transform.childCount - 1)
+                selectedWeapon = 0;
+            else
+                selectedWeapon++;
+        }
+
+        //When the scroll wheel goes down.
+        if (Input.GetAxis("Mouse ScrollWheel") < 0)
+        {
+            //If the selected weaopn is already at the bottom of the list, 
+            //then it'll wrap around to the top of the list. Else, keep
+            //going down the list of weapons.
+            if (selectedWeapon <= 0)
+                selectedWeapon = transform.childCount - 1;
+            else
+                selectedWeapon--;
+        }
+
+
+        //These will alllow the nubmer buttons to change what weapon you're using.
+        //WARNING: If we plan to add more weapons and want them to be able to swap with them
+        //in game, then we must add to this!!!!
+        if (Input.GetKeyDown(KeyCode.Alpha1))
+        {
+            selectedWeapon = 0;
+        }
+
+        if (Input.GetKeyDown(KeyCode.Alpha2) && transform.childCount >= 2)
+        {
+            selectedWeapon = 1;
+        }
+
+        if (Input.GetKeyDown(KeyCode.Alpha3) && transform.childCount >= 3)
+        {
+            selectedWeapon = 2;
+        }
+
+
+
+        //This calls SelectWeapon to change weapons
+        if (previousSelectedWeapon != selectedWeapon)
+        {
+            SelectWeapon();
+        }
+    }
+
+    //This is what actually changes the weapons.  It loops through all of the weapons
+    //and either toggles the weapon active or not active
+    void SelectWeapon()
+    {
+        int x = 0; //the 'iterator' of the foreach loop
+        foreach (Transform weapon in transform)
+        {
+            if (x == selectedWeapon) //if this is the weapon the player wants, then it becomes true.
+                weapon.gameObject.SetActive(true);
+            else //if this weapon is NOT what the player wants, then it becomes false.
+                weapon.gameObject.SetActive(false);
+            x++;
+        }
+    }
+}