You could also do something like this (see attachment). It uses iterator, lfo, and line to make an arch. I set it to modulate between a circle and arch. The interpolation all have built in curves, and one can build custom curves as well. Double also, the timelines patch can be used in the same way.
(I can't remember 100%, but I think that I used GL Tools plugin on the composition that was attached by James, and you can find that plugin (patch) at http://kineme.net ) On Mon, Feb 7, 2011 at 10:01 PM, James Sheridan <james.sheri...@anu.edu.au>wrote: > > Attached is a composition by Geroge Toledo that may provide some insight > > > > On 8/02/11 12:51 PM, Jim Thomason wrote: > >> What's my best bet for drawing some sort of an arc? The only built in >> "primitive" type I could find are straight lines. I'd most need to >> draw parabolas, so I can always use some javascript to solve the >> quadratic equation and spit out a bunch of small line segments to draw >> one, but I wasn't sure if that was the best approach. Am I on the >> right track, or is there something built in that I missed? >> >> -Jim.... >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> >> http://lists.apple.com/mailman/options/quartzcomposer-dev/james.sheridan%40anu.edu.au >> >> This email sent to james.sheri...@anu.edu.au >> > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com > > This email sent to gtole...@gmail.com > -- George Toledo gtole...@gmail.com www.georgetoledo.com The information contained in this E-mail and any attachments may be confidential. If you have received this E-mail in error, please notify us immediately by telephone or return E-mail. You should not use or disclose the contents of this E-mail or any of the attachments for any purpose or to any persons.
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