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Particle Dynamics

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jorchert
Particle Dynamics
on Dec 4, 2006 at 9:50:44 pm

To whom it may concern.

Wondering if this is possible. Might be a simple thing but I'm going to ask it anyway. Is there a way to turn off particle dynamics in PI. Example. I animate particles moving on the screen from left to right about 30 frames. The particles start leaning towards the left because of the momentum. Is there a way I can turn this off and just have the forces do the work.

Thanks in advance.

Jim Orcherton
CADmark Technologies
http://www.cadmarktechnologies.com



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Alan Lorence
Re: Particle Dynamics
on Dec 4, 2006 at 10:37:44 pm

If you set "velocity" to 0, then the particles won't move until they enter the force area. Is this what you mean?




Alan.
wondertouch


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jorchert
Re: Particle Dynamics
on Dec 6, 2006 at 8:40:46 pm

No. All I was wondering is, can you disable the dynamics on an animated emitter. Example: Animating an emitter from left to right on the screen and as the emitter is moving it will tend to lean to the left as the emitter moves across the screen. Is it possible to disable this?


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Alan Lorence
Re: Particle Dynamics
on Dec 6, 2006 at 9:01:09 pm

I don't understand what you mean by "lean to the left". Can you post an image?

Particles only move with an emitter if the "attach to emitter" control in the emitter properties dialog is non-zero.



Alan.
wondertouch


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Jorchert
Re: Particle Dynamics
on Dec 6, 2006 at 10:28:53 pm

Sorry Alan. How do I post an image on this thread?


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Elvis Deane
Re: Particle Dynamics
on Dec 6, 2006 at 11:32:45 pm

You'd either have to upload it to your own webspace and provide a link, or use a site service like ImageShack.us and paste the link to it in a post.

--
Elvis Deane!

The Apprentice Magician's Guide to particleIllusion


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Alan Lorence
Re: Particle Dynamics
on Dec 6, 2006 at 11:57:12 pm

If it's just an image, you can email that to wondertouch support too.




Alan.
wondertouch


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Greg Flowers
Re: Particle Dynamics
on Dec 7, 2006 at 6:24:56 pm

I think in this case you could accomplish what you want by moving the smoke particle using "Offset" at the top of the list just under "Layer." I believe this moves the entire layer and should eliminate the "leaning" you don't want. The smoke should stay completely straight up (or at whatever angle) with no leaning. The layer "Angle" setting may also be of help at some point too.


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