Chicken Game

playerHealth.cs

using UnityEngine;
using UnityEngine.UI;

public class playerHealth : MonoBehaviour 
{
    public const int maxHealth = 100;
    public int currentHealth = maxHealth;

	public Text hp;
	public Text maxHP;
    void Update(){
        hp.text = currentHealth.ToString();
        maxHP.text = maxHealth.ToString();
    }
   public void TakeDamage(int amount)
    {
        currentHealth -= amount;
        if (currentHealth <= 0)
        {
            currentHealth = 0;
            Debug.Log("Dead!");
        }

        
    }
}

wolfAI.cs

using UnityEngine;
using System.Collections;

public class wolfAI : MonoBehaviour {
	
	public float moveSpeed;
	public Transform target;
	
	void Update(){
		
	}

	
	void OnTriggerStay(Collider other)
	{
		if(other.gameObject.name == "Player"){
			transform.LookAt(target);
			transform.Translate(Vector3.forward*moveSpeed*Time.deltaTime);
		}

	}

	 void OnCollisionEnter(Collision collision)
    {
        var hit = collision.gameObject;
        var health = hit.GetComponent<playerHealth>();
        if (health  != null)
        {
            health.TakeDamage(10);
        }

    }
}