private void OnEnable() { m_Target = target as Ladder; m_RestrictedArea = serializedObject.FindProperty("m_RestrictedArea"); m_HasRestrictedArea = serializedObject.FindProperty("m_HasRestrictedArea"); m_IsRestrictedAreaTopIgnored = serializedObject.FindProperty("m_IsRestrictedAreaTopIgnored"); m_TopAreaHeight = serializedObject.FindProperty("m_TopAreaHeight"); m_BottomAreaHeight = serializedObject.FindProperty("m_BottomAreaHeight"); m_ChildCollider = new List <BoxCollider2D>(m_Target.GetComponentsInChildren <BoxCollider2D>()); }