Integrating 3D models with photography
Interested in integrating your 3D work with the real world? This might help
# 1 07-03-2009 , 12:41 PM
bendingiscool's Avatar
Join Date: Jul 2006
Location: London
Posts: 567

particles follow on texture


I am after a way to have particles flow along a surface via a texture map, for instance if I had a strip of black down the centre of a texture, I would like the particles to flow down the black strip only.

What would be the best way to go about this.

Thanks, Chris

# 2 07-03-2009 , 01:55 PM
ragecgi's Avatar
Registered User
Join Date: Sep 2002
Location: Minnesota, USA
Posts: 3,709
Back in 2003, Alex Alvarez of Gnomon had a FREE video tutorial on this EXACT subject called:
"Water Flow using Parametrization in Maya"

Alex long-since removed it due to the technique being depreciated and replaced with newer features in the "Surface Flow" feature.

I have the video on my server so PM me and I'll get you the link to download it if you wantuser added image

You can also try checking the help for texture emission attributes, and try controlling rgb surface texture emission particle flow with well placed/animated fields:

*Use a texture to color emission or scale the rate:

User Guide > Dynamics and Effects > Dynamics > Particles > Work with emitters > Use a texture to color emission or scale the rate

Come to think of it, if a simple flow is all you need, why not just try using the particle flow node along a path on your surface?

Good luck!

Israel "Izzy" Long
Motion and Title Design for Broadcast-Film-DS
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