making particles freeze/static

Discussions about the use of Realflow 5
toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 9:46 am

hello ,

there is one thing that i want to achieve, but i do not know how to.....:
i want have have a fully calculated particle emitter (like in the image attached)
which just freezes but still interacts with a new emitter.

i want to have a second emitter which shoots particles through the first one, which isn´t moving anymore.

can this be achieved?

do i make sense?

all best and thanks in advance

tim



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Otuama
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Location: Swansea
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making particles freeze/static

Postby Otuama » Mon Oct 10, 2011 10:06 am

Hi.

Do you want to just freeze already simulated particles (like the pic) or do you want them to freeze at a certain time?

If they're already simulated and you want to freeze them, open the Batch Editor (F10) and paste in the following:

Code: Select all

emitter = scene.getEmitter("TYPE EXACT NAME OF EMITTER HERE")

p = emitter.getFirstParticle()

while p:
   p.freeze()
   p = p.getNextParticle()

-Sean
Otuama - Vimeo
'Strength does not come from physical capacity. It comes from an indomitable will.' - Gandhi
'Realism is in the eye of the beholder' - Me ;)

toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 10:46 am

Hi sean,

thanks for your quick replay...
i tried that, but the moment i add a 2nd emitter the freezing is gone.

i want interaction between emitter 1 and 2, but 2 to be frozen/static.

thanks!!!!

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Otuama
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making particles freeze/static

Postby Otuama » Mon Oct 10, 2011 1:32 pm

Ok, I've put a video to Vimeo. It will take about 30mins to upload.

What I did in the scene was have a noise daemon effect emitter 1.

After 100 frames I stopped the sim and ran the batch script to freeze the particles. I then set the speed of emitter 1 to 0.

I then turned on the 2nd emitter and those particles collided with the frozen particles.

Is the effect in the video what you wanted?

-Sean
Otuama - Vimeo
'Strength does not come from physical capacity. It comes from an indomitable will.' - Gandhi
'Realism is in the eye of the beholder' - Me ;)

toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 1:41 pm

woooah,

i am waiting in anticipation, sean, sounds like i want to have this special effect...

get back , once it is uploaded.

thanks!

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Otuama
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Joined: Fri Apr 02, 2010 12:56 am
Location: Swansea
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making particles freeze/static

Postby Otuama » Mon Oct 10, 2011 1:50 pm

Trust me, it isn't an award winner.

Something I still can't understand is whether you want the particles to emit and suddenly freeze or emit and slow down and freeze.

The effect I've done at the moment it suddenly freezing.
Otuama - Vimeo
'Strength does not come from physical capacity. It comes from an indomitable will.' - Gandhi
'Realism is in the eye of the beholder' - Me ;)

toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 1:56 pm

it´s the language gap, sean....i am german!
the result will be a still image not an animation,
so i want the particles to freeze at a certain point.
but : i still want the frozen particles to be able to react to another emitter...

sense...does it make any?

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Otuama
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making particles freeze/static

Postby Otuama » Mon Oct 10, 2011 2:01 pm

That's fine then if it's for a still. If it's for a video it looks quite odd suddenly freezing.

There was one point where I ran the script which froze the particles but I think I noticed the particles still moving. I ran the script again and it worked fine.

It's online now by the way :).
Otuama - Vimeo
'Strength does not come from physical capacity. It comes from an indomitable will.' - Gandhi
'Realism is in the eye of the beholder' - Me ;)

toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 2:13 pm

mmh,,,,

not exactly sean, the frozen particles do not react, they are plain obstacles....

any way to make am physical but static?

thanks for your effort!

toxicbueffel
Posts: 17
Joined: Mon Oct 10, 2011 9:36 am

making particles freeze/static

Postby toxicbueffel » Mon Oct 10, 2011 2:16 pm

perhaps better worded as static – not moving anymore


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