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setVisible() doesn't set child objects — Gideros Forum
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    setVisible() doesn't set child objects

    BlueByLiquidBlueByLiquid Member
    edited March 2013 in General questions
    I call setVisible(false) on a parent sprite and then call "isVisible()" on the objects children but the children returns true. The child objects disappear just as expected but any calls to their isVisible() method returns true. any ideas?
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    Comments

    • hgvyas123hgvyas123 Guru
      I think this is the what we [ atleast me :D ] are expecting when parent is invisible make all its children also invisible and when again we make it visible all the children must have visibility which was set previously means if 5 are visible and 3 are invisible then they must have to come in same way.

      all you need to do is find a way to get visibility of parent sprite

      :)
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    • BlueByLiquidBlueByLiquid Member
      Well it seems like there should be a "visibleOnScreen()" call then as checking the parent in many situations checking the parent multiple levels would create a huge amount of coupling that would be thrown off if moved to another sprite.
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    • hgvyas123hgvyas123 Guru
      Accepted Answer
      ohh yes i had made one quick function try it i think it will work i had tested it upto 3 parent
       
function Sprite:isVisibleOnScreen()
	local mySprite = self
 
	if mySprite:isVisible() == false then
		return false
	else
		while mySprite ~= nil do
			local dummySprite = mySprite
			mySprite = dummySprite:getParent()
			if mySprite ~= nil then
				if mySprite:isVisible() == false then
					return false
				end
			end
		end
	end
	return true
end

      :)
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    • BlueByLiquidBlueByLiquid Member
      @hgvyas123,

      Thanks! i will check it out. Seems so handy it should be in the SDK proper
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    • hgvyas123hgvyas123 Guru
      Welcome dude

      :)
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    • bowerandybowerandy Guru
      Have you checked out @ar2rsawseen 's GiderosCodingEasy library. It includes many enhancements that people have thought should really be part of the base SDK. One of them is a method, Sprite:isVisibleDeeply(), which does what you want, I think.

      Best regards

      Likes: hgvyas123

      tweets: @ insidebowerhaus blog: http://bowerhaus.eu/blog/blog.html
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    • ar2rsawseenar2rsawseen Maintainer
      @bowerandy funny that you mention it, because lots of stuff coming from you (I think even including isVisibleDeeply :D )
      http://appcodingeasy.com/Gideros-Mobile
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