For working with multi-state objects within an iterator, I've found that
the QC3 "graphic animation" preset has some good pointers. It creates a
series of sprites that smoothly interpolate between an on/off state, and
creates each sprite at a semi-random location.
For the spheres problem, you could try using that same mechanism to
modulate x/y instead of scale and alpha to create the effect your after.
Hoping this isn't too late: Gavin, you might find it helpful to use a
"Directory Scanner" patch to create a list of image URL's and then pass
those into your iterator through a published input. The next step is to
use a "Structure Count" to set the number of iterations from the number
of items in the image list structure, and then use the "Iterator
Variables" from within the iterator to key each subsequent iteration
index to the corresponding image. This method is fairly flexible, and
work with images, movies, and (many) Quartz Compositions.
- Neb
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