Only attack if target is not null

Assets/Scripts/Entity.cs

@@ -29,9 +29,12 @@ public class Entity : MonoBehaviour
     protected virtual void Attack(){
 	    // jason: TODO Either have target be Entity instead of transform, or skip Attack when GetComponent<Entity>() is null
         Entity targetEntity = target.GetComponent<Entity>();
+        if(targetEntity != null){
             bool isTargetAlive = targetEntity.TakeDamage(attackDmg);
         }
         
+    }
+
     protected virtual void SpecialAttack(){
 
     }