FairyGUI.Transition.UpdateFromRelations C# (CSharp) Method

        internal void UpdateFromRelations(string targetId, float dx, float dy)
        {
            int cnt = _items.Count;
            if (cnt == 0)
                return;

            for (int i = 0; i < cnt; i++)
            {
                TransitionItem item = _items[i];
                if (item.type == TransitionActionType.XY && item.targetId == targetId)
                {
                    if (item.tween)
                    {
                        item.startValue.f1 += dx;
                        item.startValue.f2 += dy;
                        item.endValue.f1 += dx;
                        item.endValue.f2 += dy;
                    }
                    else
                    {
                        item.value.f1 += dx;
                        item.value.f2 += dy;
                    }
                }
            }
        }