//結束Drag:定位
void OnEndDrag()
{
graggingObj.transform.position = uiLayoutOriginPos_list[graggingObj.ui_sort_order];
uiLayout_list.Sort((x, y) => x.ui_sort_order.CompareTo(y.ui_sort_order));
graggingObj = null;
//結束
if (eEndDrag != null)
{
eEndDrag(uiLayout_list);
}
}
List <Vector2> uiLayoutOriginPos_list = new List <Vector2>(); //原本的位置(一開始固定，別改)
private void Start()
{
//取得子物件+排列
int i = 0;
foreach (Transform child in transform)
{
uiLayout_list.Add(child.GetComponent <GamePlay_UI_btn>());
uiLayoutOriginPos_list.Add(child.transform.position);
//下排UI產生
if (uiLayout_list.Count > i)
{
GamePlay_UI_btn _ui_btn = uiLayout_list[i].GetComponent <GamePlay_UI_btn>();
_ui_btn.ui_sort_order = i;
}
else
{
//跳過
uiLayout_list[i].gameObject.SetActive(false);
uiLayout_list[i].GetComponent <GamePlay_UI_btn>().ui_sort_order = 999 + i;
i++;
continue;
}
//掛上event監聽
EventTrigger trigger = child.GetComponent <EventTrigger>();
EventTrigger.Entry entry = new EventTrigger.Entry();
EventTrigger.Entry entry_dragging = new EventTrigger.Entry();
EventTrigger.Entry entry_end = new EventTrigger.Entry();
//entry.eventID = EventTriggerType.PointerDown;
entry.eventID = EventTriggerType.InitializePotentialDrag;
entry_dragging.eventID = EventTriggerType.Drag;
entry_end.eventID = EventTriggerType.EndDrag;
entry.callback.AddListener((eventdata) => { btn_OnSelected(); });
entry_dragging.callback.AddListener((eventdata) => { SortWhenDragging(); });
entry_end.callback.AddListener((eventdata) => { OnEndDrag(); });
trigger.triggers.Add(entry);
trigger.triggers.Add(entry_dragging);
trigger.triggers.Add(entry_end);
child.name = i++.ToString();
}
GamePlay_FingerControler.OnTouched += Gragging;
}
//移動時交換位置:
void SwapOriginPos(GamePlay_UI_btn tra1, GamePlay_UI_btn tra2)
{
tra1.transform.position = uiLayoutOriginPos_list[tra2.ui_sort_order];
tra2.transform.position = uiLayoutOriginPos_list[tra1.ui_sort_order];
string _temp = tra1.ui_sort_order.ToString();
tra1.name = tra2.ui_sort_order.ToString();
tra2.name = _temp;
int _temp_order = tra1.ui_sort_order;
tra1.ui_sort_order = tra2.ui_sort_order;
tra2.ui_sort_order = _temp_order;
}
public void btn_OnSelected()
{
if (EventSystem.current.currentSelectedGameObject == null)
{
return;
}
;
GamePlay_UI_btn selected = EventSystem.current.currentSelectedGameObject.GetComponent <GamePlay_UI_btn>();
if (selected == null)
{
return;
}
graggingObj = selected;
}
