private void Awake()
 {
     flammableBehaviour  = gameObject.GetComponentIfUnassigned(flammableBehaviour);
     npcSpawnerBehaviour = gameObject.GetComponentIfUnassigned(npcSpawnerBehaviour);
 }
 private void Awake()
 {
     npcSpawnerBehaviour = GetComponent <NPCSpawnerBehaviour>();
 }