kill enemies

Assets/Prefabs/Enemies/GreenBoy1.prefab

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Assets/Prefabs/Enemies/GreenBoy2.prefab

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Assets/Prefabs/Enemies/GreenBoyBoss.prefab

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Assets/Prefabs/Enemies/GreenBoyJetpack.prefab

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Assets/Scripts/Tower/Projectile.cs

@@ -48,6 +48,8 @@ public class Projectile : MonoBehaviour
     private void OnCollisionEnter(Collision collision)
     {
         HealthComponent hitHealthComp = collision.gameObject.GetComponent<HealthComponent>();
+        if (hitHealthComp == null)
+            hitHealthComp = collision.transform.root.GetComponentInChildren<HealthComponent>();
         // if (hitHealthComp == comingFrom) return;
         if (hitHealthComp)
         {