dyei nightmare

im starting to wonder if FEM is obsolete against vellum

is it posible to use FEM target constraints per point? i dont even know if this is deprecated by vellum workflows, but assuming it isnt, im talking about this node. https://www.sidefx.com/docs/houdini/nodes/dop/targetconstraint.html is it posible to define a float values that determines the strenght of the soft target? using "stiffness" as variable doesnt work, and there is just a targetP attribute vector that doesnt help on this and "targetstiffness" is not very acurate, even if you have such a big numbers like 1000000000 it doesnt follow your target very preciselly

i came up with a solution with target constraint, but it is not the most elegant solution, i would like to find a solution based on a "falloff" attribute like targetstiffness but an acurrate one edit: it looks strange, but dont dont look at is as... "that" ............ fem_for_od2.hip

the situation is this: basically "targetstiffness" doesnt work at all, even if you have very high value, the only thing that works is fem target constraint, but it doesnt have a per point attribute, is just a boolean, yes or no, and i want to set up a falloff -----------> fem_for_od .hip

YEAH! IT WORKED! thanks!!! YOU ARE THE MAN

whassap dudes, i come here with this new issue, i have this bullet setup where i have some noise, and a flock system, the thing is, i have here a system where im changing all the time the rotation with this vex expression: matrix3 mtx = dihedral({0,0,1}, normalize(@v)); setprimintrinsic(0, "transform", @ptnum, mtx); this transforms each packed particle so it always keeps the z axis in front, and this is cool, but the problem is that some particles are trembling while they are rotating, is like a small flickering in some particles, and i want it to interpolate rotations in a smoother way, maybe flock force is interfering with the rotations? how can this be fixxed? i want a smooth rotation interpolation. the trembling is subtle, but it is there, when particles are rotating. HEEEEELLLLLLPPPPPP!! flock_odforce.hip

another little thing, how could you keep the up vector point to global 0,1, 0 ? much like a fish crowd?

thanks a lot!! basically you fixed it!

thanks a lot, it just keeps spining around, think the local z axis request causes this, letme see

seems like qconvert only acepts matrix 4 to convert to a matrix 3, do you think it is necesary? https://www.sidefx.com/docs/houdini/vex/functions/qconvert.html on the other hand, looks like applying local z to a force just spins each particle faster each frame

thanks for the help, ill try it and coment my result haha

thanks you a lot for help, ill try it

im looking to do something like this, whch aproach you would follow to acomplish this kind of behavior??? just like the video.

im on this situation where i need to rotate a lot of RBD stuff inside dops transforming from Euler to Matrix at the same time, do you know whats the best way to do it?,

its done

a secret clearance?!! im pretty sure they are making some jets with extraterrestrial tecnology then!!

finished

ok, i have to admit that this is harder than i thought!!, i realized that i have to use apply relationship for this, but i just cant figure out how to set up it exacty for many wire conections, that node usage is harder than you think!! i need a set up where many nodes conected to other smaller nodes with wires are pulling with certain force or velocity, but smaller conected nodes are pulling to the oposite side, so each node is draging and fighting against smaller nodes velocity or force. is very hard to pass the hierarchy of data to the apply rel then to the SBD constraint of many objects with diferent "parents" do you know how?

continuing with the look

continuing with the look

something im on

nop, but what works is doing everything in sop solver, ignoring $SF and simulation stuff vars, just doing things with $F,

this doesnt work in H17

-