[Sidefx-houdini-list] Flip collision in normal direction only?
dk at shedmtl.com
Mon Feb 24 08:52:57 EST 2014
How can I chose in which FLIP object the source volume will emit is
There is a Particle fluid object parameter under the source
volume/particle operation, but even if I forced a FLIP object there ie
Milk_OUTSIDE, Milk_INSIDE also contain the particle of the other source
I've attached an image to show what I want to achieve.
Le 24/02/2014 7:38 AM, Nick Nimble a écrit :
> Hi Dominik,
> How about splitting it into two simulations? You can source the fluid
> from your desired location outside the sphere, when particles collide
> with the sphere you kill them. Then in SOP's you build a new source
> from the particles that die on the current frame, but slightly
> displaced by the normal of the sphere, so they are inside. Then in the
> second simulation you can source from those points and have this fluid
> collide with the inside of the sphere.
> The cool thing about this, is that it can work in any situation with
> any piece of enclosed geometry :-)
> Nick, be Nimble
> -- 2014 the year where things become clearer --
> +31 622 4243 94 | www.nicknimble.com | www.facebook.com/nicknimble
> On 24/02/14 13:30, Dominik wrote:
>> Hey list,
>> Is it possible to make flip collide but only from the normal
>> direction. Let me explain. Ie: I want to pour liquid from the outside
>> of a sphere, but when the liquid enter the sphere, I want it to start
>> colliding with the sphere interior.
>> I'm thinking about giving a group to particles inside the collision
>> object and use this group in my static object. But I'm not sure it
>> will work because the collision is apply to the flip object and not
>> per particle. I will try some ideas today, but if you think to a
>> solution, let me know.
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