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Particles traveling along a surface?


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I need help with this effect. I'm trying to get particles to emit and follow along the surface. I have a piece of geo. and a emitter with a POP VOP that should be creating the creep along the surface part. but it seems that the particles are sticking to one edge of the mesh. I'm sure its an easy fix. prolly a world space issue but I can't lock it down. I have attached the geo and the scene that might help with the explanation.

 

any help is much appreciated. 

 

Thanks 

 

Rob 

CreepTest_02.rar

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Hmm..still trying to understand your setup.

 

You are taking the particle life and dividing it by the age and using that for the U coordinate of the UVs. Then you are taking the particle number as a seed for a random number which becomes the V coordinate. This UV then gets routed to the position leaving the Z value set to 0.0. So all the particles are always going to sit on the Z groundplane right?

Edited by Atom
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