uiscrollview and cocos2d sticking

Question

I am having trouble using a uiscrollview with cocos2d.

I followed this: http://bitbattalion.com/2011/09/uikit-uiscrollview-and-cocos2d/

Then, I completed it with this: Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone

It seems to work fine on the simulator but gets weird on the iPod: it is very jerky and does not keep scrolling when you flick it. This behavior goes away after you flick it around a while and sometimes it starts up fine.

I am using iOS 5.1 and cocos2d 2.x.

Any ideas?

score 3 · Accepted Answer · answered Sep 14 '12 at 18:00

3

Try setting the animation interval to half of your current frame rate while displaying the scroll view:

CCDirector* director = [CCDirector sharedDirector];
director.animationInterval = director.animationInterval * 2.0f;

Then later when you are no longer displaying the scroll view, reset it back to the original interval.

I also found that in my case the second link (OpenGL freezes) didn't work. I had to actually use GCD and a semaphore to in cocos2d's main rendering method to allow Cocoa enough time to animate and render its own stuff.

answered Sep 14 '12 at 18:00

CodeSmile

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Wow! That did it. Thanks a lot buddy. But why did it not work in your situation, out of curiosity? – user1437403 Sep 14 '12 at 19:11
see also: http://stackoverflow.com/questions/15185720/uitableview-and-cocos2d/15185848#15185848 – CodeSmile Jul 06 '13 at 22:25

uiscrollview and cocos2d sticking

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