Btw. if you want to have a custom width for your crawler I recommend using a Render In Image patch.
Cheers, Oli On 04.11.2010, at 15:22, Charlie Francis wrote: > Hi Guys, > > I have just finished creating a little text crawler, and was wondering if > anyone has any ways of improving it. I know this isn't exactly the place for > Code Reviews, but I'd be very grateful to anyone who has the time to look > over my compositions and help me improve and understand the wonderful world > of Quartz a bit more. > > > I built the composition to animate the text across the whole width of the > composition, but it can easily be change to run on another fixed size. The > text scrolls from the right to left, using the image crop path. I did it this > way, instead of just moving the x position, because with very long text > strings the quality of the image degrades quite considerably, and using the > image crop patch seems to keep the text rendering clear. > > You can specify a speed at which the text travels across the screen, instead > of a fixed duration period. I thought this would be better as you can change > the text, and not worry about it whizzing across the screen, or taking a > million years to move. > > > I do have a few issues I'd like to fix, the first is that it can be a bit > juddery, but I expect that this can't be fixed due to how quartz animates. > > The second issues I would like to solve is that the text animates all the way > off, before the animation starts again. I would like the crawler to be > seamless, or (wishful thinking) be able to set a specific width to leave as a > gap. > I was thinking about generating 2 images from the string, animating one, then > animating the next, then pausing the first, and so on. But I'm not sure how > this would effect performance. > > > Once again, thanks to any one that replies! > > Regards, > Charlie > <text_crawler.qtz> _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/quartzcomposer-dev/oliver.busch%40googlemail.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Quartzcomposer-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/quartzcomposer-dev/archive%40mail-archive.com This email sent to [email protected]
