RenderTexture 截图不全

RenderTexture 截图不全

local view = cc.Director:getInstance():getRunningScene():getChildByTag(INDEX_SHOPVIEW)
local scene = cc.Director:getInstance():getRunningScene()

local winSize = cc.Director:getInstance():getWinSize()

local renderTexture=cc.RenderTexture:create(winSize.width, winSize.height,
                                            cc.TEXTURE2_D_PIXEL_FORMAT_RGB_A8888)
renderTexture:retain()
renderTexture:setGlobalZOrder(0)
renderTexture:begin()
view:visit()
//scene:visit()
renderTexture:endToLua()

无论是view的visit或者scene的visit 都无法完成截取整个屏幕, 有些控件截取不到, 求引擎组解释下