BigBadGuy.OnParticleCollision C# (CSharp) Method

    void OnParticleCollision (GameObject obj)
    {
        AmpicillinCollider collider = obj.GetComponent<AmpicillinCollider> ();
        if (null != collider) {
      
            Vector3 newScale = Vector3.Max (transform.localScale - new Vector3 (step, step, step), Vector3.zero);
            transform.localScale = newScale;
            life--;
      
            if (life == 0) {
                EnemiesManager.unregister(this);
                Destroy (gameObject);
            }
        }
    }