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Showing results for tags 'mass'.
Found 10 results
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Hello everyone, I have some floating RBD pieces on FLIP fluid particles, and I would like to manually define the mass (density) attribute for each piece. Is this possible? Thanks for helping.
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hi, in houdini when ever i add grain and add some constraints between them (glue constraint ) i face problem that the grains rise up in Y axis infinetly. and to fix it i increase mass in those glue constraints by 8888888 mass which became too heavy on cloth, is there any solution or i missed up som...
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Hey Everyone! I'm doing an RBD sim of multiple objects colliding. I am merging them and plugging then into the rbdbulletsolver. Does anyone know how I can modify the weight/density of one of the objects so it reacts differently to the other objects? Thanks so much!!
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Hello Everyone I noticed that many parameters have a "Use VEXpressions" checkbox and i try to understand them. In my example i would like to remap the mass of the pieces by VEX. Preferably using a Ramp! And all that inside the local VEX of the POP Force :-) So that there is a better d...
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HI Houdini Guys, Does anyone know , how to add random mass to vellum grain clumps, so that the bigger clumps falls fast. "context is that is that a creature comes out of ground and i need to add mass for the clumps, which is done with vellum grains." i tried using drag with mass opti...
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Hey! I have a bunch of pieces from a fractured geo, and I plug them into a rbd bullet sim. I have very big and very small pieces, which is fine, but the problem is that if I let the rbd packed object to calculate the mass obviously I get very different mass result (and that is absolutely correc...
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Hi people, I'm trying out Vellum in Houdini and I was wondering how mass works. I noticed that the mass is a point attribute. That said, if I want to know the total mass of the object, do I need calculate the sum of all the points ? Thank you.
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hey! I have a fractured object I'm trying to blow up, one thing I noticed is all pieces have a mass of 1, how can I calculate a proper mass based on the size of the bounding box or at least randomize it? cheers!
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Hi. I have a question about how mass is calculated for a RBD fracture dop. when using bullet, is the mass being calculated for the actual volume of the object itself, or for the collision geo (convex hull) that represents it? I do notice sometimes, that on some smaller pieces, the collision geome...
