Zombie drop body parts

Assets/Scripts/EnemyManager.cs

@@ -6,12 +6,15 @@ using UnityEngine.AI;
 public class EnemyManager : MonoBehaviour
 {
     public float health = 100;
+    public float actualHealth;
     private NavMeshAgent navMeshAgent;
     private PlayerManager player;
+    public List<GameObject> bodyParts = new List<GameObject>();
 
     // Start is called before the first frame update
     void Start()
     {
+        actualHealth = health;
         player = FindObjectOfType<PlayerManager>();
         navMeshAgent = GetComponent<NavMeshAgent>();
     }
@@ -20,9 +23,32 @@ public class EnemyManager : MonoBehaviour
     void Update()
     {
         navMeshAgent.SetDestination(player.transform.position);
-        if (health <= 0)
+        DropBodyPart();
+        if (actualHealth <= 0)
         {
-            Destroy(this.gameObject);
+            if (bodyParts.Count > 0) {
+                foreach (GameObject bodyPart in bodyParts)
+                {
+                    Destroy(bodyPart, 3);
+                }
+            }
+            navMeshAgent.isStopped = true;
+            navMeshAgent.enabled = false;
+            gameObject.AddComponent<Rigidbody>();
+            Rigidbody rigidBodyEnemy = gameObject.GetComponent<Rigidbody>() as Rigidbody;
+            rigidBodyEnemy.velocity = -gameObject.transform.forward;
+            rigidBodyEnemy.mass = 50;
+            Destroy(this.gameObject, 3);
+        }
+    }
+
+    void FixedUpdate()
+    {
+        if (actualHealth > 0)
+        {
+            Vector3 _dir = player.transform.position - transform.position;
+            _dir.Normalize();
+            transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(_dir), 5 * Time.deltaTime);
         }
     }
 
@@ -30,7 +56,26 @@ public class EnemyManager : MonoBehaviour
     {
         WeaponManager weaponManager = player.weaponList[player.selectedWeapon].GetComponent<WeaponManager>();
         if (weaponManager != null) {
-            health -= weaponManager.damage;
+            actualHealth -= weaponManager.damage;
+        }
+    }
+
+    void DropBodyPart()
+    {
+        if (bodyParts.Count > 0)
+        {
+            float number = health / (bodyParts.Count + 1);
+            for (int i = 0; i < bodyParts.Count; i++)
+            {
+                if ((health - actualHealth) / number > i)
+                {
+                    bodyParts[i].transform.parent = null;
+                    bodyParts[i].AddComponent<Rigidbody>();
+                    Rigidbody rigidBodyEnemy = bodyParts[i].GetComponent<Rigidbody>() as Rigidbody;
+                    bodyParts[i].AddComponent<BoxCollider>();
+                    rigidBodyEnemy.mass = 10;
+                }
+            }
         }
     }