 | | | hair dynamics | hair dynamics 2005-05-08 - By Oz Adi
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Amazing Helge!
I was wondering if your new engine, can do hair-to-hair collision?
we are in the middle of a project that involves alot of fur, and the most
noticable problem with
xsi's dynamics, is the lack of hair2hair collision.
when for instance, the character's leg bend, the hair is not squashed in the
compressed areas of the back of the knees,
it goes thorugh each other, and it looks weird...
if you can make this hair to hair collision, you are the king! :)
cant wait for it to be released...
Oz.
www.coolcalb.com
-- -- Original Message -- --
From: Helge Mathee
To: XSI@(protected)
Sent: Friday, May 06, 2005 9:25 PM
Subject: Re: hair dynamics
that's a neat idea.
Each hair has it's own density which is used for avoidance, which is
controllable with a weightmap and along each hair.
This way you can have different hairs collide differently.
-- -- Original Message -- --
From: Brad Friedman
To: XSI@(protected)
Sent: Friday, May 06, 2005 12:26 PM
Subject: Re: hair dynamics
indeed... the rigging possibilities are already clogging up my cortex so I
can't get anything done but think about when I can get my hands on this and
play :)
Amazing stuff Helge.
Question: for collision is there any way to give the curve a thickness
(just for collision, not for drawing the curve or anything). If so, could the
curve's thickness be controlled by a per CV weight map of sorts so it has
different thickness at different points (smooth interpolation between the
points)? I'm thinking in terms of using it for simple dynamic elements of a
rig instead of using cloth ribbons. I'm also thinking in terms of it being
useful for muscle systems with actual collision between simple muscles.
-brad
Andre DeAngelis wrote:
Wow, I love the fact that we can now have a dynamic curves equivalent to
Maya.
The rigging possibilities are very exciting!!
Aweome job Helge.
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf
Of Helge Mathee
Sent: Friday, May 06, 2005 2:21 PM
To: XSI@(protected)
Subject: Re: hair dynamics
Yes. You can use curves for the simulation and then rig
the hair to follow the curves or create hair from curves.
-- -- Original Message -- --
From: "todd akita" <takita@(protected)>
To: <XSI@(protected)>
Sent: Friday, May 06, 2005 7:26 AM
Subject: Re: hair dynamics
Wow, Helge - super cool. Shave/Haircut limitations aside does this
mean
that you could potentially get around the 14 point limit as well?
-T
Helge Mathee wrote:
Hey gang, just wanted to let you know that there's a new article at
www.xsi-blog.com <http://www.xsi-blog.com> about my new hair
dynamics
engine...!
cheers!
-H
-- ------
Helge Mathee
Research & Development
Omation Studios
hmathee@(protected) <mailto:hmathee@(protected)>
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<DIV><FONT face=Arial size=2>Amazing Helge!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I was wondering if your new engine, can do
hair-to-hair collision?</FONT></DIV>
<DIV><FONT face=Arial size=2>we are in the middle of a project that involves
alot of fur, and the most noticable problem with</FONT></DIV>
<DIV><FONT face=Arial size=2>xsi's dynamics, is the lack of hair2hair
collision.</FONT></DIV>
<DIV><FONT face=Arial size=2>when for instance, the character's leg bend, the
hair is not squashed in the compressed areas of the back of the
knees,</FONT></DIV>
<DIV><FONT face=Arial size=2>it goes thorugh each other, and it looks
weird...</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>if you can make this hair to hair collision, you
are the king! :) </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>cant wait for it to be released...</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Oz.</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.coolcalb.com">www.coolcalb.com</A></FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT:
#000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">-- -- Original Message -- -- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=helge.mathee@(protected) href="mailto:helge.mathee@(protected)">Helge
Mathee</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=XSI@(protected)
href="mailto:XSI@(protected)">XSI@(protected)</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, May 06, 2005 9:25 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: hair dynamics</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>that's a neat idea.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Each hair has it's own density which is used for
avoidance, which is controllable with a weightmap and along each
hair.</FONT></DIV>
<DIV><FONT face=Arial size=2>This way you can have different hairs collide
differently.</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT:
#000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">-- -- Original Message -- -- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:<
/B>
<A title=xsibrad@(protected) href="mailto:xsibrad@(protected)">Brad Friedman</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=XSI@(protected)
href="mailto:XSI@(protected)">XSI@(protected)</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, May 06, 2005 12:26
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: hair dynamics</DIV>
<DIV><BR></DIV>indeed... the rigging possibilities are already clogging up
my cortex so I can't get anything done but think about when I can get my
hands on this and play :)<BR><BR>Amazing stuff Helge.<BR><BR>Question: for
collision is there any way to give the curve a thickness (just for
collision, not for drawing the curve or anything). If so, could the
curve's thickness be controlled by a per CV weight map of sorts so it has
different thickness at different points (smooth interpolation between the
points)? I'm thinking in terms of using it for simple dynamic
elements
of a rig instead of using cloth ribbons. I'm also thinking in terms
of
it being useful for muscle systems with actual collision between simple
muscles.<BR><BR>-brad<BR><BR>Andre DeAngelis wrote:
<BLOCKQUOTE
cite=mid4ABFB5DF384CA040B8AD71AD64BD6063C1AF55@(protected)
type="cite"><PRE wrap="">Wow, I love the fact that we can now have a
dynamic curves equivalent to
Maya.
The rigging possibilities are very exciting!!
Aweome job Helge.
-- --Original Message-- --
From: <A class=moz-txt-link-abbreviated href="mailto:owner-xsi@(protected)"
>owner-xsi@(protected)</A> [<A class=moz-txt-link-freetext href="mailto:owner
-xsi@(protected)">mailto:owner-xsi@(protected)</A>] On Behalf
Of Helge Mathee
Sent: Friday, May 06, 2005 2:21 PM
To: <A class=moz-txt-link-abbreviated href="mailto:XSI@(protected)">XSI
@(protected)</A>
Subject: Re: hair dynamics
Yes. You can use curves for the simulation and then rig
the hair to follow the curves or create hair from curves.
-- -- Original Message -- --
From: "todd akita" <A class=moz-txt-link-rfc2396E href="mailto:takita@(protected)
.net"><takita@(protected)></A>
To: <A class=moz-txt-link-rfc2396E href="mailto:XSI@(protected)"><XSI
@(protected)></A>
Sent: Friday, May 06, 2005 7:26 AM
Subject: Re: hair dynamics
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Wow, Helge - super cool. Shave
/Haircut limitations aside does this
</PRE></BLOCKQUOTE><PRE wrap=""><!---->mean
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">that you could potentially get
around the 14 point limit as well?
-T
Helge Mathee wrote:
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Hey gang, just wanted to let you
know that there's a new article at
<A class=moz-txt-link-abbreviated href="http://www.xsi-blog.com">www.xsi-blog
.com</A> <A class=moz-txt-link-rfc2396E href="http://www.xsi-blog.com"><http:
//www.xsi-blog.com></A> about my new hair
</PRE></BLOCKQUOTE></BLOCKQUOTE><PRE wrap=""><!---->dynamics
</PRE>
<BLOCKQUOTE type="cite">
<BLOCKQUOTE type="cite"><PRE wrap="">engine...!
cheers!
-H
-- ------
Helge Mathee
Research & Development
Omation Studios
<A class=moz-txt-link-abbreviated href="mailto:hmathee@(protected)">hmathee
@(protected)</A> <A class=moz-txt-link-rfc2396E href="mailto:hmathee@(protected)
"><mailto:hmathee@(protected)></A>
</PRE></BLOCKQUOTE><PRE wrap="">
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</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">unsubscribe xsi
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