nParticles instances and roation

[Janak Thakker]

Seriously, how hard can it be?

By using this nice little script: http://www.tokeru.com/t/pub/Maya/MayaParticles/km_randomInstanceRotation.mel

...I get it almost working but:

I would like it so spin slower- how do I adjust this with the above scripted expressions/settings?

I have a turbulence field affecting the particles and when this kicks in the roation stops?

Any ideas?

I have to say that it's almost fascinating how hard something this simple can be in Maya...

Thanks guys!

//J

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janak thakker | web: http://www.fatlittleindianboy.com/
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[Kostas Strevlos]

Hi Janak

Yep unfortunately maya particles are not the most intuitive to work with. You will need a lot of scripting mainly expressions but you could use mel I guess, even for the most basic things, e.g random rotations. 

Concerning your questions. I don't know how you control the rotation, but there is an attribute in the particleShape node. The last attribute on the list is called "Rot Max" with default value 0. By changing this value, it affects the rotational velocity of each particle, a value of 10000 would give a good start. I am a little bit confused because if you used that attribute you should be able to slow down / speed up the particles with no problem, so I am not sure how you control it.

As for the second question, maybe the field force that you are using is overriding the rotational values. Try copying the expressions in the "Runtime before dynamics" to the "Runtime after dynamics" and see what you get. It might solve the problem. 

Hope that helps

Kostas

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[Janak Thakker]

Hey guys,

I found this actually: http://www.creativecrash.com/maya/script/particle-setup

Works a treat :-)

Cheers,

Janak

2016-01-27 14:45 GMT+01:00 Cosku Ozdemir <co...@robotika.com.tr>:

Can you send your maya file too?

It'd be easier to look at it, instead of setting up from scratch.

-Cosku Ozdemir

Founder / Supervisor, Robotika Films

Maçka Talim Yeri Sok. 8/1, Maçka, İstanbul / Turkey

t: 2122277230   ///   f: 2122277231

www.robotika.com.tr /// co...@robotika.com.tr

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