Artem Smirnov

Try using stopped attrib on particles. You can use pop awake node to awake or put particles to sleep by different conditions

Hello Steve, Here's a quick solution. But maybe I'm overcomplicating things as always). Check the hip file attached. Edit: I have just realized that you need scene in houdini 14) arrowSimpleN.hip arrowSimpleHou14.hip

Hello, Sergio. As you might know, things are getting better with every release of houdini.) Verlet integration is just another word for position based physics, so now we have this kind of solver implemented by sesi in houdini 14 grain solver. You can do exactly what I have done with pbd, constraints and couple of lines in wrangle nodes)

Hi, Oleg. I realy don't know what it was but I've fixed a couple of params in your file and now selfcollision works) Also I think you should try doing ropes with new PBD solver maybe it will be faster and more directable selfcollision_wiresolverFix.hip

Just change the "overwrite with sop" parameter on your constraintnetwork1 DOP to something like $SF==1

Kind of working solution. Anyway, I think that achiving this effect with vex rotate function is more clear way then pure trigonometry... Ivy_growingArchi.hip

Just sort your primitives by x axis with sort node before join

I wrote a small tool for attaching pieces to other geos. But it was done really long long ago. So dont ask me how it works and why it is done this way.)) I guess I was just young and unexperienced. Anyway it may help and it works. trans_and _rot_matrixArchiFollow.hip

first thing that comes to my mind frustrum.hip

Use reorder chop shift_chops_1_.hip

I have assembled a simple example for you to start with. For soft body effects you should push it a bit further. Edit. and another example of cutting thin soft body sheets. It is even more simple. cuttingSys_1_.hip cuttingSys_2_.hip

Hi, Fabien. The system in my video is very old and not valid nowadays. I think now it can be done much more easily with a sort of dynamc fracturing system. I would try using packed prims with bullet in your case (I use it to have a fast fake of FEM soft body behaviour). Please look at this thread for the reference on fracturing packed prims at the sim time, and also have a look on the attached video for faking FEM with a bullet.

Hi, I think there is no simple solution to this problem. Any ideas I have will only get you to a certain point with a draft quality and many errors. What I would try first is to process it through straight skeleton algorithm. You can find a fairly good starting point in this post. Hope it help and good luck)

Hi Kleer, Don't know if it helps but here is the same thing you do in a for loop but implemented in vex. I guess it is faster... puzzleBox_01dd.hipnc

Hi Alvaro! Great to see you on odforce forums. There are ton of ways to do wave in houdini. I'm VEX fan so my version is in vex=) waveTrivial.hip