fabsberry
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Thank you, this was very helpful, it was more tricky than I thought Here is my less complex implementation but also more transparent dynamic_constraints_bullet.hiplc
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First, for volume collisions, you have to use distance VDB (SDF), not fog VDB. I think the collision function inside the "volume source" node is only for smoke, for example when a fast-moving object adds turbulence to your simulation. You can easily use the "static object" node for FLIP collisions.
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Hello, I'm trying to create a dynamic constraint network, to achieve a kind of sticky wall. The basic concept is working but it is very "wobbly", it seems there is an offset or something else. I tried to scale the constraint primitive to zero and reduce the restlength without success. Is there another way to influence the constraints? debug.hiplc
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Thank you, Johannes! The gas wind node was a great hint. I found an additional mistake that I made: the border type of my fields was set to streak but it had to be constant. my_solver_fixed.hiplc
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Hey dudes, I'm trying to build a simple smoke solver from scratch to understand more how they work. I created a simple setup with density, temperature and buoyancy. Now I want to add a second velocity volume as a force to my simulation. But when I add the force, the velocity is increasing massively in a few frames. I have to mix my force with the existing velocity but I don't understand how to do this my_solver.hiplc
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how to make Mesh growth Transformation
fabsberry replied to ashu_tosh_m's topic in General Houdini Questions
For the hexagonal pattern, you can use the divide node and set compute dual. -
Maybe Vellum was not the best idea Nowadays I would use RBDs + constraints rope.hiplc
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not perfect, but that would be my approach knot.hipnc
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Hello, I have a problem with a FLIP fluid scene. I fill a sphere and move it down and upwards. After this movement, I have the same amount of particles but not the same volume… By the way, are there any good practice collections for flip fluid? I'm still struggling with it. flip.hiplc
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Thank you. I expected the new boolean tool to create loops for me if necessary. This is how I know it from other 3d packages.
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Hello, I tried to subtract these tubes and bevel the edges. Simple task But after that, I got a broken shading. How can I fix this? I tried a few nodes: normal, edge cusp, poly doctor... still get this ugly shading. boolean.hiplc
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Entagma: Find Shortest Path jumpy lines
fabsberry replied to zjie's topic in General Houdini Questions
Hey, I would use time shift to freeze the lines and point deform to transfer the movement. Greetings -
Hello, I have been playing around with the wire solver for a while. But I still have a problem with the wire tension: I have two parts of a wire and a constraint. When I break the constraint the wire should snap back, like an elastic band with a lot of tension. @restlength has no effect and other workarounds don't give me a nice result... no snapping How would you do that? Is there any attribute?
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Great, it works! Thank you! The operations order is still confusing me...
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Yeah there are some points. I recreate the setup, still the same problem... debug.hipnc
