How to make a sound play when pressing R?

Questions & Answers
1

Hi, i am making a FPS and I made it were it can play a sound when you are shooting, but i can’t make it play a reload sound when i press R. Any help? Here is my script.
Sorry if it is really long.

public bool isShotgun;
public Camera fpsCam;

[Header("Animations")]

public Animation am;
public AnimationClip undrawA;
public AnimationClip fireA;
public AnimationClip reloadA;
[Space(5)]

[Header("Weapon Settings")]

public int totalAmmo = 120;
public int clipSize = 30;
public int ammo;
public int cooldown = 11;
int _cooldown = 0;
public float bulletForce = 30f;
public float range = 1000f;

public Weapon.fireMode mode;

public bool canReload = false;
[Space(5)]

[Header ("Damage")]

public float damage = 10f;

public int headDamage = 70;
public int maxHeadDamage = 90;

public int bodyDamage = 5;
public int maxBodyDamage = 9;

public int legDamage = 3;
public int maxLegDamage = 5;

public GameObject thisWep;
[Space(5)]

[Header("Audio")]

public AudioSource audFire;
public AudioSource smallVerb;
public AudioClip fireSound;
public AudioClip reloadSound;
public AudioClip emptySound;
[Space (5)]

[Header("Recoil")]
public Transform recoilCam;

public float recoilSpeed = 45f;
public float recoilBackSpeed = 45f;
public float maxRecoil = 5f;

public float recoilBack = -20f;
public float recoilBackPosSpeed = 10f;

public float recoilPower = 30f;

float currentAngle = 0f;
[Space(5)]

[Header("Fire")]

public Camera cam;
public GameObject muzzleFlash;
public Transform muzzleTrans;
public GameObject impactEffect;
GameObject mz;
[Space(5)]

[Header("Crosshair")]

public float crossHairSize;
[Space(5)]

[Header("Aiming")]

public Vector3[] aimPoints;

public static Weapon instance;

public enum fireMode
{
	AUTOMATIC,
	SEMI_AUTOMATIC
}

void Awake () 
{
	if (recoilCam == null && transform.parent != null)
		recoilCam = transform.parent;
	instance = this;
}

void Start()
{
	if (thisWep.activeSelf) 
	{
		UIManager.instance.UpdateAmmo (ammo);
		UIManager.instance.UpdateTotalAmmo (totalAmmo);
	}

	ammo = clipSize;
	InvokeRepeating ("UpdateCooldown", 0.01f, 0.01f);
}

void UpdateCooldown()
{
	if (_cooldown > 0)
		_cooldown--;
}

void reload()
{
	if (ammo == clipSize || totalAmmo <= 0)
		return;

    StartCoroutine(updateReload());
    am.CrossFade (reloadA.name);

    if (totalAmmo >= (clipSize - ammo))
	{
		totalAmmo -= (clipSize - ammo);
		ammo += (clipSize - ammo);
	}
	else
	{
		ammo += totalAmmo;
		totalAmmo = 0;
	}

	canReload = false;
}

IEnumerator updateReload ()
{
    yield return new WaitForSeconds(reloadA.length);
    UIManager.instance.UpdateAmmo(ammo);
    UIManager.instance.UpdateTotalAmmo(totalAmmo);

}

void fire()
{
    if (ammo <= 0 || Input.GetKey(KeyCode.LeftShift) || am.IsPlaying(reloadA.name))
    {
        return;
    }

    if (!isShotgun)
    {
        if (ammo <= 0)
            smallVerb.PlayOneShot(emptySound);
        GameObject muzzle = Instantiate(muzzleFlash, muzzleTrans.position, muzzleTrans.rotation);
        Destroy(muzzle, 2);
        Destroy(mz, 2);
        currentAngle = Mathf.LerpAngle(currentAngle, maxRecoil, recoilSpeed * Time.deltaTime);
        _cooldown = cooldown;

        ammo -= 1;
        UIManager.instance.UpdateAmmo(ammo);

        cam.transform.Rotate(Vector3.forward, Random.Range(20, 30) * Time.deltaTime);

        am.Stop();
        am.Play(fireA.name);

        //muzzleFlash.Play();

        RaycastHit hit;
		if (Physics.Raycast (fpsCam.transform.position, fpsCam.transform.forward, out hit, range)) {
			Debug.Log (hit.transform.name);

			Target target = hit.transform.GetComponent<Target> ();
			if (target != null) {
				target.TakeDamage (damage);
			}

			if (hit.rigidbody != null) {
				hit.rigidbody.AddForce (-hit.normal * bulletForce);
			}

			GameObject impactParticles = Instantiate (impactEffect, hit.point, Quaternion.LookRotation(hit.normal));
			Destroy (impactParticles, 2f);
		}

    }
}

public void playSound () 
{
    audFire.PlayOneShot (fireSound);
}

IEnumerator PlayEmptyDown () 
{
	yield return new WaitForSeconds (0.01f);
	if (ammo == 0 || totalAmmo == 0) 
	{
        
	}
}

void Update()
{
	if (Input.GetMouseButton (0) && ammo > 0 && !am.IsPlaying (reloadA.name)) 
	{
		//cam.transform.localPosition = new Vector3 (-0.008f, 1.03f, recoilBack * Time.deltaTime);
	} else 
	{
		//cam.transform.localPosition = new Vector3 (-0.008f, 1.03f, 0.195f * Time.deltaTime);
		currentAngle = Mathf.LerpAngle (currentAngle, 0f, recoilBackSpeed * Time.deltaTime);
	}
	if (ammo <= 0) 
	{
		currentAngle = Mathf.LerpAngle (currentAngle, 0f, recoilBackSpeed * Time.deltaTime);
	}

    if (Input.GetMouseButtonDown(1))
        Aiming.instance.Aim(aimPoints);

	if(mode == Weapon.fireMode.AUTOMATIC && Input.GetMouseButton (0) && _cooldown <= 0)
	{
		AudioSource shoot = GetComponent<AudioSource> ();
		shoot.Play ();
		fire ();
	}
	else if(mode == Weapon.fireMode.SEMI_AUTOMATIC && Input.GetMouseButtonDown (0) && _cooldown <= 0)
	{
		AudioSource shoot = GetComponent<AudioSource> ();
		shoot.Play ();
		fire ();

	}

	if(!am.IsPlaying (fireA.name) && ((undrawA != null && !am.IsPlaying (undrawA.name)) || undrawA == null) && !am.IsPlaying (reloadA.name) && Input.GetKeyDown (KeyCode.R))
	{
		canReload = true;
		reload ();
	}
	recoilCam.transform.localRotation = Quaternion.AngleAxis (currentAngle, Vector3.left);

	if (ammo == clipSize || totalAmmo <= 0)
		canReload = false;
}

}

2

Attach a Audio source component to the Gun that you are using and then assign reload audio to audio source and through the script access the Audio source of Gun and play sound in reload function like this

private void Reload()
{
     gun.getComponent<AudioSource>().play();
}