moneitor
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maybe with a draw or something would be easier to understand what you need.
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Constraints mixing pops and bullet
moneitor replied to moneitor's topic in General Houdini Questions
Hi Matt, thanks very much, I haven't seen your answer, sorry, it was months ago haha, at the end I used a different approach, something that wikipedia calls harmonic damped oscillation, or something like that, basically is F = -KX -CV, I used that formula to drive the position of the rbds to the goal position. Also used a modified version of that formula to make an orientation follow, the result of that research are this two videos. Thanks very much for your answer by the way. -
Hi all, I am trying to create a setup where a set of rbds are following a specific animation, so far is working, jittering is something I can look into later, but for now the big problem is creating the constraints, if I bring the boxes the usual way with the rbd packed object the constraints will work, but bringing them with the popsource they don't work. Would love to get some help here. Thanks. constraintProblemsTest.hiplc
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This one should also work if you increase the substeps. LoopParticlesTEST.hip
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if you do it with the hittotal attribute alone, its gonna work only during the first collision though. Check if maybe this helps LoopParticlesTEST.hip
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Do you need to use pops, or can it be done in a procedural approach that doesn't involve simulation?
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you could do this in a Python sop maybe, although I am not very good with python oldPath = /shop/blablabla lastPart = oldPath.split("/") newPath = "/mat/" + lastPart[-1]
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Add roation /spin to POP Grain particles based on clump possible?
moneitor replied to viki164's topic in Effects
Any chance to have a sample file to give it a try? -
This one have a vop that allow you to change the shape of the whirlpool using a ramp armFX_experinemtal2.hipnc
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what about a more procedural approach like this, I am not saying that it couldn't be done using particles, but this seems like the kind of things I would approach splitting the effect in different parts, one would be the waterfall, and the other one would be the wrilpool, and then at the end I would mix everything with secondary particles, spray and stuff like that. armFX_experinemtal2.hipnc
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I just tried another approach building the transformation matrix itself, the transform contains the transformation values of the set of points B pc_match_001.hip
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This is probably more like that. pointsOnPrimitiveGroups.hip
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No I misunderstood the question, I am gonna prepare something else. Sorry about that.
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Is it something like this?, I am doing it inside a for each, maybe is not what you are looking for, but have a look. pointsOnPrimitiveGroups.hip
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You could paint colors in the geometry that you get from dops before the vdb process, and then attribute transfer the colors from that mesh into your vdb mesh.
