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 Post subject: Particles
PostPosted: Sun Dec 30, 2007 5:31 pm 
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I'm working on particles simulation. This is the first attempt of the particles simulation. I'll create a wiki page to show how to manage the parameters. I'm having problems on make the particles free floating when the source moves. I still working on them. Once finished I'll release a particle layer template.

For the moment enjoy watching them!

http://www.youtube.com/watch?v=V9EDol07WLE

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PostPosted: Sun Dec 30, 2007 7:25 pm 
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Genete - that's beautiful!
How responsive was Synfig with 1000 layers? How long did it take to render?


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PostPosted: Sun Dec 30, 2007 9:20 pm 
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pxegeek wrote:
Genete - that's beautiful!
How responsive was Synfig with 1000 layers? How long did it take to render?


Test it by yourself ;)

The sifz file needs a svn r1240 or higher. There are lot of parameters exported. Here is a brief explanation.

X0, Y0 : Position at t=0
X0spread, Y0spread: X/Y size of particles source.
V0, alpha: Radial components of velocity at t=0
V0spread, alphaspread: random range of velocity components of each random particle
G: gravity acceleration amount
beta: gravity orientation. It is reversed (need fixing)
lifetime: amount of time of a particle's life.
timerate=seconds of equation time per seconds of animation time
b: Damping factor (>0) keep it between 0 and 1 is sane.

Threre are also two boolean:
particles on/off: partially works. activates particles or not.
Damping =0: Not working by the moment. I have to composite the non damping equations. Don't change.

feather and amount are exported from the particle layer itself. Should not be there.

The rest are exported converted values so they cannot be modified.

Once I finish the template I'll write a wiki page and upload a clean file and some examples.
Enjoy! :D
-G

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 Post subject:
PostPosted: Sun Dec 30, 2007 11:56 pm 
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Whoosh - I think I'm going to have to wait for the wiki explanation...
Can you export the canvas so that other pictures can be duplicated?

/me has visions of crowd scenes... :)


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 Post subject:
PostPosted: Wed Jan 02, 2008 8:11 pm 
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New template sample. Now they can floate freely. The basic parameters are the same. Maybe you can see other parameters exported but useless.

http://www.darthfurby.com/genete/synfig ... ample.sifz

and the movie:

http://www.darthfurby.com/genete/synfig ... sample.avi

Enjoy!
-G

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 Post subject:
PostPosted: Wed Jan 02, 2008 9:16 pm 
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Now I've added "particles off" parameter.

http://www.darthfurby.com/genete/synfig ... sample.avi
http://www.darthfurby.com/genete/synfig ... ample.sifz

:D

-G

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 Post subject:
PostPosted: Wed Jan 02, 2008 11:18 pm 
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One funny test increasing the damping forces...

http://www.youtube.com/watch?v=xpUBrWc36tQ

-G

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 Post subject:
PostPosted: Tue Jan 08, 2008 9:50 am 
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A demo reel:
http://www.youtube.com/watch?v=YJV3xMP24fc

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