协程跑进度条

function BgMap:AsyncLater()
    self:loadEasyTileMap(self._mapData)
    --self:addMapSpriteFram()

    --self:loadBottomSkyMap(self._mapData)
    --self:loadUpSkyMap(self._mapData)
    --local moveBy = cc.MoveBy:create(0, cc.p(0, 5))

    self.m_runCoroutine = coroutine.wrap(function()
        
        --做加载逻辑
        self:loadNpcMap(self._mapData)
        coroutine.yield()
                --做加载逻辑
        self:changeNpcToIdx()
        coroutine.yield()
                --做加载逻辑
        self:loadEffectMap(self._mapData)
        coroutine.yield()
        self:changeEffectToIdx()
        coroutine.yield()
        self:loadTouchMap(self._mapData)
        coroutine.yield()
        self:loadMaskMap(self._mapData)
        coroutine.yield()
        self:loadAreaMap(self._mapData)
        coroutine.yield()
        
        self.m_gameView:AsyncLater()--2.8秒
        
        self:loadBuildMap(self._mapData)
        
        self.m_runCoroutine = nil
    end)

    self.m_runCoroutine()

    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 5) end
    print("pos 5")
    self.m_runCoroutine()
        --更新进度条
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 25) end
    print("pos 25")

    self.m_runCoroutine()
        --更新进度条
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 45) end
    print("pos 45")

    self.m_runCoroutine()
        --更新进度条
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 65) end
    print("pos 65")


    self.m_runCoroutine()
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 85) end
    print("pos 85")

    self.m_runCoroutine()
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 105) end
    print("pos 105")


    self.m_runCoroutine()
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 125) end
    print("pos 125")


    self.m_runCoroutine()
    if g_sceneEff then g_sceneEff:setPosition(display.cx, display.cy - 145) end
    print("pos 145")

    g_endLoading() 
end