First Person Footstep Sound

Hi everyone,
I'm having some trouble with my first person character. I would like to add the footstep sound when the player moves, but I don't know how to connect the public void Sound with the movement.
My Player doesn't have a rigidbody, but just a character controller.
Here's my script

Code (CSharp):

1. public class Player : MonoBehaviour
2. {
3.     public CharacterController controller;
4.  
5.     public float speed;
6.     public float gravity;
7.     public float jumpHeight;
8.  
9.     public Transform groundCheck;
10.     public float groundDistance;
11.     public LayerMask groundMask;
12.  
13.     Vector3 velocity;
14.     bool isGrounded;
15.  
16.  
17.     public AudioSource Footstep;
18.     public AudioClip[] FootstepSound;
19.  
20.     void Update()
21.     {
22.         isGrounded = Physics.CheckSphere(groundCheck.position, groundDistance, groundMask);
23.  
24.         if (isGrounded && velocity.y < 0)
25.         {
26.             velocity.y = -2f;
27.            
28.         }
29.  
30.         velocity.y += gravity * Time.deltaTime;
31.  
32.         float x = Input.GetAxis("Horizontal");
33.         float z = Input.GetAxis("Vertical");
34.  
35.         Vector3 move = transform.right * x + transform.forward * z;
36.        
37.  
38.         controller.Move(move * speed * Time.deltaTime);
39.  
40.         //jump
41.  
42.         if(Input.GetKeyDown(KeyCode.Space) && isGrounded)
43.         {
44.             velocity.y = Mathf.Sqrt(jumpHeight * -2f * gravity);
45.  
46.         }
47.  
48.  
49.         controller.Move(velocity * Time.deltaTime);
50.  
51.         //run
52.  
53.         if (Input.GetKeyDown(KeyCode.LeftShift))
54.         {
55.             speed = speed * 2;
56.        
57.         }
58.         else if (Input.GetKeyUp(KeyCode.LeftShift))
59.         {
60.             speed = speed / 2;  
61.  
62.         }
63.        
64.  
65.     }
66.  
67.  
68.     public void Sound()
69.     {
70.         int random = UnityEngine.Random.Range(0, FootstepSound.Length);
71.         Footstep.PlayOneShot(FootstepSound[random]);
72.  
73.     }
74.  
75. }

Thanks in advance!

 

If you're using an Animator you can add callbacks in the animation at the point when the foot touches the ground. If you're not then it's just a matter of checking how much distance has been covered and play a sound if so.

 

No, I don't have an animation because it's a first-person game. So should I calculate my player's distance across space?

 

You could calculate the distance traveled each frame, then add it to a counter. When the counter passes whatever distance you want to play the sound, you reset the counter and play the sound.

 

Thanks a lot, I'll try