Forum: Poser - OFFICIAL


Subject: GRRRR! Strand based hair and calculating dynamics

rokket opened this issue on Feb 28, 2011 · 7 posts


rokket posted Mon, 28 February 2011 at 6:38 AM

I have a scene that I have animated that has Sydney asleep on a bed, in the middle of a nightmare. I figured out the animation side pretty easily. The scene looks natural and she moves and twitches just like a hollywood nightmare scene. The problem comes in calculating the dynamics for the hair. I checked the boxes for collision detection on the pillow prop, the bed, and her skull cap. The hair prop itself doesn't have that option. When I do the calculation, her hair still pokes through the pillow and the bed, and drapes as if she is hanging in midair during a magician's levitation act.

What am I missing? I want to pull may own hair out. I figured out how to do an animation with the hair when walking, and even have one that is walking, talking, dynamic clothing (skirt and blouse), and a little wind blowing though her hair. But I can't seem to get past this little problem. HELP!!!

If I had a nickle for ever time a woman told me to get lost, I could buy Manhattan.


ShaaraMuse3D posted Mon, 28 February 2011 at 6:54 AM

I had this problem with dynamic clothing, and I solved it by making a box with the same size as the bed and parented to it. Then I chose the box/cube as collision object then hide it after the simulation.  Also a lot cheaper and faster than a complex object like the bed. Works with chairs too. :)

Try it and tell me if it works.


rokket posted Mon, 28 February 2011 at 6:59 AM

I don't seem to be having the problem with the clothing. Just the hair. But I will give it a go and see what happens.

Thanks!

If I had a nickle for ever time a woman told me to get lost, I could buy Manhattan.


RedPhantom posted Mon, 28 February 2011 at 7:16 AM Site Admin

There is a spot or 2 where you need to turn on collisions besides on the objects. I don't remember where though and I don't have poser in front of me to check. I think it might be in that drop down menu on the side of your scene window.


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corinthianscori posted Mon, 28 February 2011 at 2:01 PM

Go into the HAIR ROOM(no agression meant) and look for a DO COLLISIONS checkbox. That's your culprit. Turn it ON for each hair group. Do a Calculate All Hair and Cloth sim or just for a few hairs to test. OH! And do the CLOTH SIMS FIRST!!!!! Seriously...don't mess that one up! LOL! http://www.youtube.com/user/corinthianscori?feature=mhum


rokket posted Mon, 28 February 2011 at 9:14 PM

Quote - Go into the HAIR ROOM(no agression meant) and look for a DO COLLISIONS checkbox. That's your culprit. Turn it ON for each hair group. Do a Calculate All Hair and Cloth sim or just for a few hairs to test. OH! And do the CLOTH SIMS FIRST!!!!! Seriously...don't mess that one up! LOL! [http://www.youtube.com/user/corinthianscori?feature=mhum/quote] I have Do Collisions checked on each hair prop. And when I did the cloth sims first, the hair sim messed up the cloth sim. So I do it the other way around. I don't know why it's not working and it's driving me nuts. I want her hair to drape over the pillow and spill onto the bed.

I even tried messing with the dynamic settings and seeing if I could get it to work by changing the bend resistance setting up a little higher... no go. I guess I am going to mess with the whole thing and see what I can come up with.

 

Oh, and I tried the box idea. Still got the same result... 

If I had a nickle for ever time a woman told me to get lost, I could buy Manhattan.


rokket posted Mon, 28 February 2011 at 9:18 PM

Oh, and one important thing I forgot to mention: I am using Poser 8 with all the updates installed.

If I had a nickle for ever time a woman told me to get lost, I could buy Manhattan.