fold animatio (shape animation?) 2004-02-27 - By Robert Moodie
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Kim's right about the bones tho'.
It is the better way, I even use bones just to bend geometry for modelling
sometimes.
-- -- Original Message -- --
From: "+" <softimage@(protected)>
To: <XSI@(protected)>
Sent: Friday, February 27, 2004 11:21 AM
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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