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# 1 11-12-2009 , 03:59 AM
mtnhome3d's Avatar
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Join Date: Jun 2008
Posts: 57

breath in cold air

hi, I have a project for class involving cold weather, and i wanted my character to have his breath showing for the close up scene. the rest would be moving too fast to see it so it can be a cheap quick effect. i am trying to do this with a 2d fluid and have it set up to look the way i want it, except i don't know how to make it pause for his breathing. currently its always emitting and i need it to pause for a moment. how would i go about doing this? is there a emitter speed attribute? i couldn't find one, though i may be blind. thanks for help in advanced.
 
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# 2 11-12-2009 , 04:35 AM
ragecgi's Avatar
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Join Date: Sep 2002
Location: Minnesota, USA
Posts: 3,709
There used to be a tutorial on this exact effect by a guy who had a site called "painfulurination.com".

Back in April of last year his site went down, HOWEVER I found it on the wayback machine for you.

Give it time to loaduser added image

LINK TO ARCHIVED BREATH VAPOR TUTORIAL
Israel "Izzy" Long
Motion and Title Design for Broadcast-Film-DS
izzylong.com
 
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# 3 11-12-2009 , 04:55 AM
mtnhome3d's Avatar
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Posts: 57
I just found the slider i need. but thanks for the tutorial. i will look through it and see if there is anything i can do better.
 
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# 4 11-12-2009 , 05:54 PM
EduSciVis-er
Join Date: Dec 2005
Location: Toronto
Posts: 3,374
There is a speed attribute (is that the one you found?) but it might make more sense to key the particles/sec emission rate, otherwise you'll have a bunch of particles building up right at the emitter while it's "off". Does that make any sense?
 
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