 | | | emitter driven by angle on edges. | emitter driven by angle on edges. 2005-05-12 - By Robert Moodie
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You may have some success using Tension Map/Curvature Map tools from Claus...
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-- -- Original Message -- --
From: Pingo
To: XSI@(protected)
Sent: Thursday, May 12, 2005 1:28 PM
Subject: emitter driven by angle on edges.
ok, don't quite know how to ask this question, so here's an example...
say I got a grid that deforms... like an ocean surface. so there's
waves with ridges and slopes.
Now I want to emit particles if the angle on an edge is larger
than... say 180 degrees - so where ever the waves are sharp
there's... foam.
I'm kinda looking for something like what the dirt shader does, only
inverted, but it doesn't quite do what I want it to do... not even
sure I can use it to drive an emission...
I'm also assuming I need something that can drive a weight map... So
can I get XSI to calculate the angle on edges (or between polygon
normals... something) and make the map?
anyone?
cheers all!
pingo
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<DIV><FONT face=Tahoma size=2>You may have some success using Tension
Map/Curvature Map tools from Claus...</FONT></DIV>
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href="http://www.claus-figuren.de/">http://www.claus-figuren.de/</A></FONT><
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<DIV style="FONT: 10pt arial">-- -- Original Message -- -- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=pingo@(protected) href="mailto:pingo@(protected)">Pingo</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> Thursday, May 12, 2005 1:28
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> emitter driven by angle on
edges.</DIV>
<DIV><BR></DIV>ok, don't quite know how to ask this question, so here's an
example...<BR><BR>say I got a grid that deforms... like an ocean surface. so
there's <BR>waves with ridges and slopes.<BR><BR>Now I want to emit
particles if the angle on an edge is larger <BR>than... say 180 degrees
- so where ever the waves are sharp <BR>there's... foam.<BR><BR>I'm
kinda looking for something like what the dirt shader does, only
<BR>inverted, but it doesn't quite do what I want it to do... not even
<BR>sure I can use it to drive an emission...<BR><BR>I'm also assuming I need
something that can drive a weight map... So <BR>can I get XSI to
calculate the angle on edges (or between polygon <BR>normals...
something) and make the map?<BR><BR>anyone?<BR><BR>cheers
all!<BR><BR>pingo<BR>---<BR>Unsubscribe? Mail <A
href="mailto:Majordomo@(protected)">Majordomo@(protected)</A> with the
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