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Re: Small animation
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Re: Small animation


  • Subject: Re: Small animation
  • From: Lorenzo <email@hidden>
  • Date: Wed, 21 Jan 2004 19:33:47 +0100

Hi,
thank you. I set 25 frame per second. It's better but it's so slow. And if I
increment the x step and the y step of the movement to 2 pixels (it was 1),
I get the same previous bad result.
I presume there should be a better way to do that.

Somebody know?

Best Regards
--
Lorenzo
email: email@hidden

> Le mercredi, 21 jan 2004, ` 17:28 Europe/Paris, Lorenzo a icrit :
>
>> Hi,
>> I would like to animate an NSImageView on the screen. Just a small
>> animation. So I don't want to use openGL because it's not easy and it
>> requires modern Video Boards.
>>
>> I remember a sample at the WWDC 2001 which showed how to the speed-up
>> an
>> animation. There was a "train" of characters rotating along the
>> borders of
>> the window. I remember that animation was so fast, smooth and fine.
>> Even
>> faster at any new concept introduced by the speaker-man.
>>
>> And I cannot get that nice result. The image flicks. Can you show me
>> the
>> finest way to animate my image? Thank you.
>>
>> I did the following rude code:
>> ------------------------------
>> In my NSView subclass I have a timer that each 0.005 NSTimeInterval
>> calls
>
> 200 frames / second ?!?!?
>
> setFrameOrigin is calling another display method anyway.
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