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Found 4 results

  1. Particle collision Physics with RBD

    I'm trying to get good physical interaction between a baked RBD geo and a particle system and the particles seem like they are either all stuck or all slide with nothing in between? I'm bringing in the RBD as a static object collider, with deforming geometry turn on, and set the collisions to Use Surface Collisions (the green guide one). The particles collide but for the most part they stick really harshly even when friction is turned down all the way. If I go onto the pop solver and in the collision behaviour tab, set the response to slide.. they slide but then it looks like its on ice and the friction controls are disabled. Any ideas how to get a good setup? I'm trying to make something like rock debris on a cracking ground surface. so there should be some tumble and roll but eventually come to a stop, maybe a slight bit of bounce but not really too "bouncy" either.
  2. Basically, I'm creating a scatter points in a surface and I plug a POP Network, so I want that the Pop Network import those scatter points as particles, but I don't know how to do that. Can some help me to do it?. So I want to put the scatter points and use it as particles.
  3. POPs: pre solve vs post Solve

    Hi! This is me trying to understand the popSolver in houdini. What is the difference between this two inputs and why they are both wired like that by the shelf (Check the attached image) The particles seems to do the same thing if I rewired as I showed in the second network and they don't do anything at all with the 3rd one. Also why is the wire dotted between the popsource and the popstream, They only work together is both inputs (pre and post) are wired like that. Thanks and pardon my English :$
  4. what is meaning of rehome particle? I've read help but still cannot understand. I know we usually set "leftmost" option with flip-solver. but I don't know why. And what is "new particle generator" option actually do? when I tested it, only thing I need is a null node (as replacement of source pop). it hasn't to be set as new particle generator. thank you.
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