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Old 08-27-2013, 05:55 AM   #1
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Kim Alex Nielsen
Technical Artist
Vancouver, Canada
Join Date: Jun 2011
Posts: 19
Moving particles around mesh with Data Operator


I was wondering if it is possible to move particles around the surface normals of an object.

For instance have a cylinder. Now I want to create particles at frame 0 and then move them around the cylinder and gradually up, using the normals position. is this possible ?
I was thinking if it could be achieved by using a simple UV to guide the particles.

Thanks for your time
Old 09-12-2013, 05:37 AM   #2
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Jeff Lim
Join Date: Oct 2004
Posts: 572
You might not be able to move the particles along the surface using the normals, since normals tend to point outwards the surface. (unless you calculate the axis out of the normals)

For moving it using UV's, I've attached something that hopefully you could use..

There are 2 Data Ops, one for moving the particles towards the nearest surface, and the other one for moving the particles using the UV direction.
Attached Files
File Type: zip Move Around Cylinder (2011).zip (33.0 KB, 36 views)
Old 09-17-2013, 08:41 PM   #3
Nickolay Shchetinkin
Senior Fx Artist
Encore VFX
Los Angeles, USA
Join Date: May 2008
Posts: 243
Such a clean example Jeff!
Old 09-17-2013, 08:41 PM   #4
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