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weird particle jump on camera move

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craig hellen
weird particle jump on camera move
on Jul 8, 2013 at 9:17:11 am

Hi Guys,

Just started a new project with a 3d particular field, camera pulling back through it.

the first couple of animations work well, particles moving as they should as the camera moves... BUT

when i do the 3rd movement of pulling back the camera moves (i know this as there is some 3d text that moves appropriately) but we have no particle movement till I hit the next stop point and the particles then jump to their end point.

Please COW help!

Craig


EDIT

it only seems to happen on ram preview not final render. Hope this additional information helps!
Tried with and without multi processing

Co-Director Podchains Ltd
Video Producer / Motion graphics designer http://bexmedia.net


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John Cuevas
Re: weird particle jump on camera move
on Jul 8, 2013 at 11:26:21 am

Have you cleared out your disc cache?

Johnny Cuevas, Editor
Thinkck.com

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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craig hellen
Re: weird particle jump on camera move
on Jul 8, 2013 at 11:30:13 am

yup all the usual suspects...

Co-Director Podchains Ltd
Video Producer / Motion graphics designer http://bexmedia.net


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Walter Soyka
Re: weird particle jump on camera move
on Jul 8, 2013 at 4:47:42 pm

Are you up-to-date on Particular (currently v2.2)? Earlier versions were a bit buggy with the global performance cache.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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craig hellen
Re: weird particle jump on camera move
on Jul 10, 2013 at 8:47:37 am

Updated and it seems to have helped but I have just hit into the same issue with particle size and key frames.

Really bugging me that I cant do what i need :-S

Are there any other settings that could affect it?

Co-Director Podchains Ltd
Video Producer / Motion graphics designer http://bexmedia.net


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Walter Soyka
Re: weird particle jump on camera move
on Jul 10, 2013 at 1:53:41 pm

[craig hellen] "Updated and it seems to have helped but I have just hit into the same issue with particle size and key frames. "

Sorry, I'm not quite following what problem you're seeing. Can you explain or post a couple screenshots?

Just to make sure we're on the same page -- the particle size property applies to a particle at its birth; animating it will not change the size of particles that have already been born.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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craig hellen
Re: weird particle jump on camera move
on Jul 10, 2013 at 4:45:27 pm

hey thanks for the reply

Its nothing to do with particle life, its more for when im interacting with certain properties, its not reflecting these interactions in the preview window.

I change things, it shows but then when i scrub or ram preview it glitches out, particles jumping from one keyframe to the next but not showing the animation between the key frames.

Ive reinstalled ae, tried it in a different version of AE and its still the same...

Not fun :-(

Co-Director Podchains Ltd
Video Producer / Motion graphics designer http://bexmedia.net


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Walter Soyka
Re: weird particle jump on camera move
on Jul 11, 2013 at 3:21:14 pm

[craig hellen] "Its nothing to do with particle life, its more for when im interacting with certain properties, its not reflecting these interactions in the preview window. I change things, it shows but then when i scrub or ram preview it glitches out, particles jumping from one keyframe to the next but not showing the animation between the key frames. "

Does that problem clear up if you disable the disk cache and then purge RAM?


[craig hellen] "Ive reinstalled ae, tried it in a different version of AE and its still the same..."

What versions of Ae have you tried? If you're on CS6, have you installed all the updates? (There were some cache bugs that were fixed.)

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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