[Sidefx-houdini-list] varying mass and drag in white water

Adrian Lee dryrainstudios at gmail.com
Thu Sep 11 14:33:04 EDT 2014


Thanks Jason. That helped alot.

On Thursday, 11 September 2014, jason slabber <jason.slabber at gmail.com>
wrote:

> you could use this expression in the POP Drag, toggle on "use
> VEXpressions":
> airresist *= fit01(rand(@id),1,100);
>
> for mass you can drop a POP Property, there is a preset VEXpression on the
> right side of the VEXpression box, the little down arrow, it gives you
> this:
> float seed = 0.12345;
> mass *= fit01(rand(@id+seed), 0.7, 1);
>
>
> On Thu, Sep 11, 2014 at 12:35 AM, Adrian Lee <dryrainstudios at gmail.com
> <javascript:;>>
> wrote:
>
> > Hi guys
> >
> > Im using white water spray in dops for the first time. Using vop pops
> more
> > niw but how do I vary the mass and drag of the particles as the usual "
> > rand ($ID)" isnt work on the wall of spray I have
> > Cheers
> > Ed
> >
> >
> > --
> > Adrian Ed Lee
> >
> >
> > Dryrainstudios.com
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>
>
> --
> .................................
> //sim+light+render
>   // https://vimeo.com/jasonslabber
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-- 
Adrian Ed Lee


Dryrainstudios.com



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