Completed course 2 adn 3, working on 4

Assets/Scripts/UnitHealthBar.cs

@@ -0,0 +1,31 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+public class UnitHealthBar : MonoBehaviour
+{
+    public GameObject healthContainer;
+    public RectTransform healthFill;
+    private float maxSize;
+    void Awake()
+    {
+        maxSize = healthFill.sizeDelta.x;
+        healthContainer.SetActive(false);
+    }
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+    public void UpdateHealthBar(int curHp, int maxHp)
+    {
+        healthContainer.SetActive(true);
+        float healthPercentage = (float)curHp / (float)maxHp;
+        healthFill.sizeDelta = new Vector2(maxSize * healthPercentage, healthFill.sizeDelta.y);
+    }
+}