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RBD's
... I dare you.
A.
-----Original Message-----
From: owner-xsi(at)Softimage.COM
[mailto:owner-xsi(at)Softimage.COM]On Behalf Of Oz Adi
Sent: 15
February 2007 16:21
To: XSI(at)Softimage.COM
Subject: Re:
particles "morph" by B/W silhouette sequence
actually do
you know those stop motion Sand animations? where you see the sand changing
each frame to create
a walking woman, for instance, so the animator is
moving the sand around each frame.
I need to do something similar, but
instead of sand, it should be little spheres, or little MNMs :)
(it's not a
commercial for MNM :) )
Oz Adi wrote:
yes.. think of a
container filled with little balls, and now the contour of this container is
changing its shape,
and balls inside it, conform to the new shape,
spreading and squeezing to fill the "white" area..
one a sphere is
visible, it stays visible, no popping of new spheres, or
disappearing.
something like a goal for particles, but a texture as
a goal.
Doug Nicola wrote:
Just to make sure I understand what you are getting at:
You want the spheres within the silhouette to actually move
with the animation? (spheres both fill the silhouette and spheres move
around as silhouette moves?)
And once a sphere is visible, it stays visible? Or do the spheres come and
go?
~Doug
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM]On Behalf
Of Oz Adi
Sent: Thursday, February 15, 2007 8:38 AM
To: XSI(at)Softimage.COM
Subject: Re: particles "morph" by B/W silhouette sequence
the problem is that I got a lot of this to do, and I am looking for a
more automatic way to do this according to an image sequence
of the silhouette... so I dont have to "trace" it every couple of frames.
Let the particles fill the white area as it changes.
Eric Lampi wrote:
You can envelope a cloud, throw a lattice or a cage deformer over it. You
might try shape animation too,
E
Freelance 3-D Animator, F/X Artist
----- Original Message ----
From: Oz Adi <oz(at)broadcast.co.il>
To: "XSI(at)Softimage.COM" <XSI(at)Softimage.COM>
Sent: Thursday, February 15, 2007 10:11:10 AM
Subject: particles "morph" by B/W silhouette sequence
Hi,
I was thinking of a way to approach this:
I got a 2D animation of a character doing something. The sequence is a
white silhouette over a black background.
what I need to do is fill the white area with spheres, and have those
spheres actually act out what the silhouette is doing.
I know I can attach an image map to a grid, and use it's intensity to
emit particles, then give those particles zero speed.
The problem with that, is that when I'll instance those particles with
sphere, those sphere will show the animated silhouette,
but the spheres will be popping every frame, and it wouldn't look like
they are moving around to fill the white silhouette.
I thought it might be possible to have a pre initialized cloud, and have
it morph from frame to frame, to fill the silhouette.
I got some knowledge of scripting in XSI, but I never did particle
scripting.
If anyone has an idea, or a tip how to achieve this effect, with
particles scripting, or in a whole different way' I would really
appreciate some help :)
Thanks,
Oz
www.ozadi.com
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