 | | | fold animatio (shape animation?) | fold animatio (shape animation?) 2004-02-27 - By Adam Seeley
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Maybe we could get Soft to include Rotational shape animation which used to
be implemented in Symbolics to solve exactly what you're trying to do.
You might get the right results by animating the fold using cluster centres
(rather than weighting to skeletons), but swapping to a simpler model at the
end of each fold to avoid the messiness.
A.
-- --Original Message-- --
From: + [mailto:softimage@(protected)]
Sent: 27 February 2004 16:22
To: XSI@(protected)
Subject: Re: fold animatio (shape animation?)
thanks kim, i know what straight interpolation does... it's the same in
every
animation package, even in flash. but i thought there was probably an option
to
maybe keep the shape same (calculated starting & ending points, A & B) while
using only one key from A to B. i would use bones, but there is so much of a
mix
with those shape that it would be messy.
anyway, thanks
--
+ mato
kim aldis wrote:
> Shape animation does a straight interpolation between point 1 of shape A
to
> point 1 of shape B, so on for each point in the geometry so the corners of
> your page are traveling in a straight line from 1 shape to the next,
> resulting in the apparent shortening of the page size. I'm curious as to
why
> you don't think bones are up to the task, normally you get less control
with
> shapes, as you're finding. You could, I suppose, use an extra key shape in
> the middle of the two you already have and force spline based
interpolation
> but if it was me I'd use 5 or 6 bones and turn the page with FK,
> time-lagging the rotation of each bone to get the curve of the page. Help?
>
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On Behalf Of +
> > Sent: 24 February 2004 18:56
> > To: XSI@(protected)
> > Subject: fold animatio (shape animation?)
> >
> > hi all
> >
> > i'm animating folds...
> > imagine point A and point B - point A is closed, point B is
> > open. - when i do a direct transition (shape animation) from
> > A to B the shape of the corner-fold get's shorter in the
> > middle of the transition, which is wrong. i unfortunately
> > can't really use bone-envelopes, since it's not just a simple
> > linear fold. - what would you suggest to use for
> > fold-animation to remain original size of the shapes? are
> > there any settings i forgot? or should i simply put another
> > shape-key in between of A to B so it remains it shape and
> > doesnt get shorter there until it reaches B? it should be a
> > smooth transition though...
> >
> > thanks for your info
> >
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