[Sidefx-houdini-list] Triggering events in an RBD sim
Spencer.Lueders at framestore.com
Thu Aug 26 09:21:56 EDT 2010
you can use the point()/prim() expressions
but AFAIK, you cannot have part of your rbd object have a glue strenth be 10 and another be 1000. Each rbd object can only have a single value.
you can do something like this in the value you want to control.
prim($OBJID, 0, "Cd", 0)
Also, if your color value is changing over time then you do need to have "deforming geo" ticked on, or Im sure you can just import your color attr via a SOP Geometry/apply data DOP to avoid having to rebuild your collision SDFs and whatnot.
----- Original Message -----
From: "Georg Duemlein" <rdg at preset.de>
To: sidefx-houdini-list at sidefx.com
Sent: Thursday, 26 August, 2010 12:23:48 AM
Subject: Re: [Sidefx-houdini-list] Triggering events in an RBD sim
point() in glue strength?
I remember experimenting with per point glue values on rbd point objects
... but no convincing results.
On 10-08-25 4:31 PM, Sean Lewkiw wrote:
> I have an RBD sim in which some objects are glued to an empty object. I want to unglue them at a particular time based on something happening in SOP-land, (point colour changing). Now, I used to know how to do this, but it's been years since I touched RBDs.
> In fact, I searched the Mail List Archive, and there is a message from ME saying that this is possible and I'd post an example in a few days.
> Unfortunately, it looks like I lied, there is no trace of this alleged technique.
> Can anyone help? Schivers, you still here?
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