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179 строки
4.5 KiB
179 строки
4.5 KiB
--拖住功能
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DragViewMgr = DragViewMgr or BaseClass()
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local DragViewMgr = DragViewMgr
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DragViewMgr.TouchType =
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{
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TouchDown = 1,
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TouchMove = 2,
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TouchUp = 3,
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}
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function DragViewMgr:__init()
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self.base_file = false
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self.layout_file = false
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self.begin_callback = false
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self.draging_callback = false
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self.end_callback = false
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self.item_class = false
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self.drag_cache_item = false
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self.start_drag = false
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self.draging = false
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self.old_pos = false
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end
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function DragViewMgr:Init(info)
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self.base_file = info.base_file
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self.layout_file = info.layout_file
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self.begin_callback = info.begin_callback
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self.draging_callback = info.draging_callback
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self.end_callback = info.end_callback
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self.item_class = info.item_class
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self.item_parent = info.item_parent or MainUIController:GetInstance().GoodsFlyView.transform
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end
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function DragViewMgr:__delete()
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if self.drag_cache_item then
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self.drag_cache_item:DeleteMe()
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self.drag_cache_item = nil
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end
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end
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function DragViewMgr:Start()
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self.start_drag = true
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self.draging = false
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Runner.Instance:AddRunObj(self, 1)
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end
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function DragViewMgr:Stop()
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Runner.Instance:RemoveRunObj(self)
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self.start_drag = false
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self.draging = false
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self.old_pos = false
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end
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function DragViewMgr:OnDragBegin(pos)
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if not pos then return end
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if not self.drag_cache_item then
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self.drag_cache_item = self:CreatDragItem()
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end
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if not self.drag_cache_item then
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print(">>>>>>>>>>>> 拖拽物体没有创建成功")
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return
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end
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if self.begin_callback then
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self.begin_callback(self.drag_cache_item)
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end
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self.drag_cache_item:SetVisible(true)
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local w = ScreenWidth
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local h = ScreenHeight
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pos.x = w / 2 + pos.x
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pos.y = h / 2 + pos.y
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self.drag_cache_item:SetPosition(pos.x, pos.y)
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end
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function DragViewMgr:CreatDragItem()
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local item = nil
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if self.item_class ~= nil then
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item = self.item_class.New(self.item_parent)
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self.drag_cache_item = item
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end
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return item
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end
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function DragViewMgr:OnDragIng(pos)
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local w = ScreenWidth
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local h = ScreenHeight
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pos.x = w / 2 + pos.x
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pos.y = h / 2 + pos.y
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if self.drag_cache_item then
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self.drag_cache_item:SetPosition(pos.x, pos.y)
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end
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if self.draging_callback then
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self.draging_callback(self.drag_cache_item, pos)
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end
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end
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function DragViewMgr:OnDragEnd(pos)
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Runner.Instance:RemoveRunObj(self)
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if self.end_callback then
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self.end_callback(self.drag_cache_item, pos)
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end
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if self.drag_cache_item then
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self.drag_cache_item:SetVisible(false)
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end
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end
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function DragViewMgr:Update()
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if not self.start_drag then return end
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local touch_type, pos = self:GetDragTouchTypeAndPos()
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if not pos or not touch_type then
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if self.draging then
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self:Stop()
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self:OnDragEnd(self.old_pos)
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end
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end
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if touch_type == DragViewMgr.TouchType.TouchDown or touch_type == DragViewMgr.TouchType.TouchMove then
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if not self.draging then
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self:OnDragBegin(pos)
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self.draging = true
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self.old_pos = pos
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return
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end
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self.old_pos = pos
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self:OnDragIng(pos)
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else
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self:OnDragEnd(pos)
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self:Stop()
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end
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end
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function DragViewMgr:GetDragTouchTypeAndPos()
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local touch_type = nil
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local pos = nil
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if Input.touchCount > 0 then
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local touch = Input.GetTouch(0)
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if touch then
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pos = touch.position
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pos.x = pos.x / ScreenConvertRatio - ScreenWidth*0.5
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pos.y = pos.y / ScreenConvertRatio - ScreenHeight*0.5
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if touch.phase == TouchPhase.Began then
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touch_type = DragViewMgr.TouchType.TouchDown
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elseif touch.phase == TouchPhase.Moved then
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touch_type = DragViewMgr.TouchType.TouchMove
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elseif touch.phase == TouchPhase.Ended then
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touch_type = DragViewMgr.TouchType.TouchUp
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end
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end
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else
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if Input.GetMouseButtonDown(0) then
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-- print(">>>>>>>>>>>> GetMouseButtonDown")
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pos = Vector2(0,0)
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pos.x = Input.mousePosition.x / ScreenConvertRatio - ScreenWidth*0.5
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pos.y = Input.mousePosition.y / ScreenConvertRatio - ScreenHeight*0.5
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touch_type = DragViewMgr.TouchType.TouchDown
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elseif Input.GetMouseButtonUp(0) then
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-- print(">>>>>>>>>>>> GetMouseButtonUp")
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pos = Vector2(0,0)
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pos.x = Input.mousePosition.x / ScreenConvertRatio - ScreenWidth*0.5
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pos.y = Input.mousePosition.y / ScreenConvertRatio - ScreenHeight*0.5
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touch_type = DragViewMgr.TouchType.TouchUp
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elseif Input.GetMouseButton(0) then
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--print(">>>>>>>>>>>> GetMouseButton")
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pos = Vector2(0,0)
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pos.x = Input.mousePosition.x / ScreenConvertRatio - ScreenWidth*0.5
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pos.y = Input.mousePosition.y / ScreenConvertRatio - ScreenHeight*0.5
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touch_type = DragViewMgr.TouchType.TouchMove
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end
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end
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return touch_type, pos
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end
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