cocos2dx Lua利用scrollview实现自动滚动效果动画

function UIFlowerFish:ctor()
        self.rootWidget  = cc.CSLoader:createWidget("UI/flowerFish.csb");
        --获取scrollview控件：
        local scroll_view = ccui.Helper:seekWidgetByName(self.rootWidget,"ScrollView_1");
        --设置scollview的滚动区域：
        scroll_view:setInnerContainerSize(cc.size(200,170*12))
    --设置滚动区域的图片（分别是数字0，9，8，7，6，5，4，3，2，1，0，9）
    for i =1 , 4 do
            for n=-1,10 do
                    if n == 10 then
                        local sp = cc.Sprite:create("UI/Image/slot/roll0.png")
                        sp:setPosition(100,170*12-(n+1)*170)
                        scroll_view:addChild(sp)
                    elseif n == -1 then
                        local sp = cc.Sprite:create("UI/Image/slot/roll9.png")
                        sp:setPosition(100,170*12-(n+1)*170)
                        scroll_view:addChild(sp)    
                    else
                        local sp = cc.Sprite:create("UI/Image/slot/roll"..n..".png")
                        sp:setPosition(100,170*12-(n+1)*170)
                        scroll_view:addChild(sp)


                    end    
        end
        scroll_view:jumpToBottom()
        self:slotRun(i,scroll_view,0.01 ,1)
    end
    self.rate_nums = {2,5,4,9}; --代表四个转盘需要停下时代表的数字
    self.Percent_Num = {20,30,40,50,60,70,80,90,100}--设置scrollview停下的位置百分比，假设这几个百分比分别代表0，1，2，3，4，5，6，7，8，9
    self.Percent_Num[0] = 10;
end




function UIFlowerFish:slotRun(tag,slot_scroll,time,round)


    local percent = 0
    local m_round = 0

    local function run() 

       percent = percent + 5

        local index = 100-percent;

        slot_scroll:jumpToPercentVertical(100-percent)
        if percent == 100 then
                  percent = 0  
                 m_round=m_round+1  
        end
        if m_round                return;
        end
        if  index>=self.Percent_Num[self.rate_nums[tag]]  then --转盘停下的位置的百分比
                slot_scroll:scrollToPercentVertical(80,(10-self.rate_nums[tag])*0.1,false) --scrollview1秒滚到80%的位置
                cc.Director:getInstance():getScheduler():unscheduleScriptEntry(self.waitHandler[tag])--停止计时器
                self.waitHandler[tag] = nil;
          end

    end

    self.waitHandler[tag] = cc.Director:getInstance():getScheduler():scheduleScriptFunc(run, 0.02, false) --启动定时器


end