particle plotting possible? 2005-04-19 - By Juan Brockhaus
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you're welcome,
happy scripting! :)
cheers,
Juan
-- --Original Message-- --
From: Matt Morris [mailto:matt@(protected)]
Sent: 19 April 2005 14:51
To: XSI@(protected)
Subject: RE: particle plotting possible?
Hey Juan,
thanks a mill for the script! Just had a play over lunch and it does exactly
what I was looking for... Will save it for future ref, it's a nicely laid
out script so I can even disect it a little and try to figure out some of
this black art (vb-whatsit?) ;)
thanks again,
Matt
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf
Of Juan Brockhaus
Sent: 19 April 2005 12:55
To: 'XSI@(protected)'
Subject: RE: particle plotting possible?
Hi,
here it comes.
select cloud and run script.
Juan
-- --Original Message-- --
From: Matt Morris [mailto:matt@(protected)]
Sent: 19 April 2005 11:47
To: XSI@(protected)
Subject: RE: particle plotting possible?
Hey Vince and Fabian, thanks for the in-depth explaination. I'll have a look
at this over the next couple of days, last thing I want to do is become a
particle specialist but there are some things that would save me a bucket
load of time so I need to bite the bullet and deal with them! Thanks for the
help :)
Juan - if you could post that script I'd love to take a look, thanks!
Matt
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf
Of Vince Fortin
Sent: 19 April 2005 04:09
To: XSI@(protected)
Subject: Re: particle plotting possible?
Hi Matt, sorry for the delay!
It's been some time now since I've tried that and honestly I'm not
sure I can guide you precisely but it's worth giving it a try:
Cache your particles, load them with the particle player
(Create>Particle>From File). That creates an independant particle
cloud without the simulation operator. (very cool, for more info about
that check out the sim doc)
Then you have to create a clip to the mixer and, from memory, I think
I did that by storing an action. It could have been a shape clip but I
doubt it because it would most probably have led to crazy results due
to the dying & newborn indexes.
Anyways once it's in there you've reached your goal.
I wish I could test it while writing this but I know I've done it in
the past. The idea came from a discussion we had on this list so you
might wanna search the archives.
I think things would be much easier it we had keyframing access to
XSI's global time variable. I mean, unless I'm missing something,
that's the whole point of the particle player: reading, duplicating,
warping & offsetting in time particle systems without the pain.
Hope this helps Matt, keep us posted...
Vincent
On 4/18/05, Matt Morris <matt@(protected)> wrote:
> Hi Vince,
> I actually have no idea what you're talking about concerning the particle
> player, but it sounds like exactly what I was looking for! I don't suppose
> you would care to elaborate a little? The job is finished and the clients
> are happy which is the main thing, but I'd prefer not to put myself
through
> that much pain again if poss :)
> matt
>
> -- --Original Message-- --
> From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On Behalf
> Of Vince Fortin
> Sent: 16 April 2005 17:36
> To: XSI@(protected)
> Subject: Re: particle plotting possible?
>
> You can also create mixer clips with the cache via the particle player.
>
> On 4/15/05, peterb <peter_b@(protected)> wrote:
> >
> > > Hey Eric, congrats! What are you doing on the list, go out and party
> man!
> > >
> > > I'm kind of getting there with the old constrain objects to particles,
> > plot
> > > objects, remove constraints etc and then mirror f-curves
> >
> > if its at all usefull for you:
> > you can select the particles (select the cloud, go to tag point mode,
tag
> > the particles) and plot their curves.
> > no messing about with attaching objects to particles, which is way to
slow
> > to be fun.
> > Mind that when they die, and new particles are generated, the particle
ID
> > gets recycled so this messes up the plotted curves! So this works best
> with
> > clouds that generate loads of particles in the beginning and then stop
> > generating.
> >
> > You can then with a simple "for i = 1 to x" loop path-constrain objects
to
> > the curves with tangency and all.
> > And by using the point count of the curve, you know how many frames are
> > needed to animate from 0 to 100% on the curve, and you can script
placing
> > those keyframes...
> > (havent got the script I made once for this at hand, but it was very
> simple
> > in the end)
> >
> >
> > - the cloud has to
> > > explode out, slow down, freeze and reverse back in once the camera has
> > > rotated around it so not quite as simple as it could be, but doable.
> I'll
> > > carry on in my lo-fi way, just had to stay a few extra hours than
> needed!
> > >
> > > Cheers
> > > Matt
> > >
> > > -- --Original Message-- --
> > > From: owner-xsi@(protected) [mailto:owner-xsi@(protected)]On
Behalf
> > > Of Eric Lampi
> > > Sent: 16 April 2005 01:46
> > > To: XSI@(protected)
> > > Subject: Re: particle plotting possible?
> > >
> > >
> > > Oops. That was supposed to go to Matt, not Lyn.
> > > Psyop is 5 years old today... I've had a few glasses
> > > of wine. 8)
> > >
> > > I found that just opening the f-curve editor, and
> > > using the "flip in x" function for all of your
> > > animated elements is perfect for this sort of thing.
> > > Animate backwards! The fun part is discussing how you
> > > need to change your animation, thinking about it
> > > backwards and explaining it forwards makes me feel
> > > like I am having a seizure.
> > >
> > > Not as unpleasant a sensation as you may initially
> > > think.
> > >
> > > E
> > >
> > >
> > > --- Matt Morris <matt@(protected)> wrote:
> > > > Hi all,
> > > >
> > > > please help, I'd love to go home now but I really
> > > > need to figure out a way
> > > > to plot out a particle sim and be able to reverse it
> > > > - is this possible with
> > > > mixer clips somehow?
> > > >
> > > > I can't find a way to plot the particles atm except
> > > > to constrain objects to
> > > > them and plot those... would like to avoid that if
> > > > at all poss, any
> > > > suggestions really, really, really appreciated!
> > > >
> > > > ta,
> > > > Matt
> > > >
> > > > P.S. RTFM and searched the net, can't find anything
> > > > useful...
> > > >
> > >
> > > Freelance 3-D Animator, F/X Artist, Particle Man
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