StatusIndicator.cs

using UnityEngine;
//using System.Collections;
using UnityEngine.UI;

public class StatusIndicator : MonoBehaviour {

    [SerializeField]
    private RectTransform healthBarRect;
    private Text healthText;

    void Start()
    {
        if (healthBarRect == null)
        {
            Debug.LogError("STATUS INDICATOR: No health bar object referenced!");
        }

        if (healthText == null)
        {
            Debug.LogError("STATUS INDICATOR: No health text object referenced!");
        }
    }

    public void SetHealth(int _cur, int _max) 
    {
        float _value = (float) _cur / _max; 

        healthBarRect.localScale = new Vector3(_value, healthBarRect.localScale.y, healthBarRect.localScale.z); //this will change the scale of our health bar
        healthText.text = _cur + "/" + _max + "HP";//change our text
    }

}