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Found 3 results

  1. particles creating objects

    hey all! I'm starting to think on how to replicate an effect like this one attached. I'm starting to think about particles attracted by an object, and when particles are close enough or hit the object they inject opacity into the mesh and reveal the object itself. In houdini I'm starting with a simple POP attractor, but I'm having some back and forth elastic effect with particles (I supposed that is due to the pop force node that is keeping particles moving...). So what I'm trying to do is something that is snapping particles to their goal once they are close enough, and also how can I tell to the particles to get the color of their goal from the beginning, and how to kill them when they are close to the goal, and also how can I transfer the hit information to the mesh so I can make it appear...so many questions! thanks to anyone who can drop an idea! attractor_v001.hiplc SAMSUNG Pixel_1.mp4 SAMSUNG Pixel_2.mp4
  2. Looking for floating object ideas

    Genius Houdini Community! I'm having a hard time wrapping my head around something so I thought it best to ask the experts out there. We're about to do a project where a rigid object ( like a box or a tea kettle ) is floating weightlessly in a room. It is being blown around by wind and bumping into objects as it goes. What we would like to do is loosely keyframe the object for basic choreography and timing but have the dynamic object "follow" it, like a target. This way you get the benefit of having keyframed motion influencing the dynamics. Would a sop solver be the right way to go here? Field force? It's been a while since I used dops so any advice or examples would be appreciated. I'm sure there's an elegant solution out there but I'm just not able to think of it. Thanks very much!
  3. Rbd or wire sim with 2d shape goal

    Hello everybody, I've been studying Houdini for quite a while now but still I find situations where I get terribly stuck. I need to produce a controlled simulation of a simple pearl bracelet which, after falling and landing on the ground, gets a precise 2d shape (a number for instance). I thought about creating a wire simulation and then copy spheres of the points after the sim, or make a rbd constraint of every pearl (which I realized I am not able). Yet, I don't understand how to drive the second part of the simulation, the one in which the bracelet moves to adapt to the 2d shape. I've worked with POP Attract or using a single point to advect RBD objects through a constant force but I feel these are far away from the solution. Could anyone help? An example scene would be much appreciated. Thanks a lot.