zumbi-game/Assets/Scripts/PanController.cs

using UnityEngine;

[RequireComponent(typeof(AudioSource))]
public class PanController : MonoBehaviour
{
    private AudioSource audioSource;

    void Start()
    {
        audioSource = GetComponent<AudioSource>();
    }

    void OnCollisionEnter(Collision collision)
    {
        audioSource.Play();

        if (collision.gameObject.CompareTag("Zombie"))
        {
            collision.gameObject.SendMessage("TakeDamage", 100, SendMessageOptions.DontRequireReceiver);
        }
    }
}