Ah yes...thanks..I'll check that out for sure. Kris
On Wed, Sep 18, 2013 at 6:29 PM, Vincent Ullmann < [email protected]> wrote: > Another thing you could try: > > Vector Flow (by Paul Smith) > Part 1: https://vimeo.com/36709750 > Part 2: https://vimeo.com/36710386 > > Am 19.09.2013 00:27, schrieb Kris Rivel: > > That kind of works...but some are still pointed in random directions. But > good to know how it should work! > > Kris > > > On Wed, Sep 18, 2013 at 6:19 PM, Kris Rivel <[email protected]> wrote: > >> oh so you basically lay out the UV like a grid...so everything is lined >> up? This surface is too high res and detailed to do that. But perhaps I >> can use a neighboring surface that is a simple tube to extract the value >> from. >> >> Kris >> >> >> On Wed, Sep 18, 2013 at 5:54 PM, Vincent Ullmann < >> [email protected]> wrote: >> >>> How is your UV-Map set up? You should make sure the UV-Shells are all >>> aligned along the same Axis (U or V). >>> As i build this compound, i made 2 UV-Sets. One for Texturing and one >>> for Particle-Alignment. >>> >>> Vincent >>> >>> >>> Am 18.09.2013 23:40, schrieb Kris Rivel: >>> >>> Oh and I took a look at this but it doesn't work well for me for some >>> reason. They're just pointing in various directions. And I have a good uv >>> map: https://vimeo.com/46081934 >>> >>> >>> On Wed, Sep 18, 2013 at 5:39 PM, Kris Rivel <[email protected]> wrote: >>> >>>> Ugh, sounds like its going to be a head trip for me :-/ The deformed >>>> mesh is a polymesh tube. I can't change that. But maybe I can have a >>>> nurbs tube deformed along the curve too and extract its values? I'm fine >>>> with getting point normals but not sure the best way to translate and apply >>>> it. >>>> >>>> Kris >>>> >>>> >>>> On Wed, Sep 18, 2013 at 5:33 PM, Alok Gandhi <[email protected] >>>> > wrote: >>>> >>>>> They wont because in effect what you are doing is just taking the >>>>> normal, World Yup and crossing them which will result in a vector >>>>> perpendicular to both the normal and the Yup. So during a bend, this >>>>> result >>>>> vector is not tangential to the surface. >>>>> >>>>> You definitely need a vector which is tangential to the surface at >>>>> the point where the normal is coming out of the surface. >>>>> >>>>> I would suggest looking in the approach of getting neighbour points >>>>> closest to the normal location and generating a vector from that instead >>>>> of >>>>> using a cross product at all. Though you have to take care of the logic >>>>> around edge vertex. But it can be a good start. >>>>> >>>>> >>>>> On Wed, Sep 18, 2013 at 5:09 PM, Vincent Fortin <[email protected]>wrote: >>>>> >>>>>> Do you want the axis perpendicular to the normal? If so use a cross >>>>>> product, plug the normal in the first input and try something like 0,1,0 >>>>>> for the second input. >>>>>> >>>>>> >>>>>> On Wed, Sep 18, 2013 at 4:05 PM, Kris Rivel <[email protected]>wrote: >>>>>> >>>>>>> I'm trying to make a simple setup where I can align particles >>>>>>> along a deformed/animated surface based on another vector. No problem >>>>>>> aligning them on their normal but I want them to all flow in the same >>>>>>> direction along their other axis...all point forward. Is there anyway >>>>>>> to >>>>>>> do this with a polymesh? Maybe through UV data? >>>>>>> >>>>>>> Kris >>>>>>> >>>>>>> -------------------------- >>>>>>> To unsubscribe: mail [email protected] with >>>>>>> subject "unsubscribe" and reply to the confirmation email. >>>>>>> >>>>>> >>>>>> >>>>>> -------------------------- >>>>>> To unsubscribe: mail [email protected] with >>>>>> subject "unsubscribe" and reply to the confirmation email. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> -------------------------- >>>>> To unsubscribe: mail [email protected] with >>>>> subject "unsubscribe" and reply to the confirmation email. >>>>> >>>> >>>> >>> >>> >>> -------------------------- >>> To unsubscribe: mail [email protected] with subject >>> "unsubscribe" and reply to the confirmation email. >>> >>> >>> >>> -------------------------- >>> To unsubscribe: mail [email protected] with >>> subject "unsubscribe" and reply to the confirmation email. >>> >> >> > > > -------------------------- > To unsubscribe: mail [email protected] with subject > "unsubscribe" and reply to the confirmation email. > > > > -------------------------- > To unsubscribe: mail [email protected] with subject > "unsubscribe" and reply to the confirmation email. >
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