Particles driven by animated texture

[Do particles fall under “Visual Effects”?]

I’m trying to use an image texture (white square on black background) to drive particle emission from selected parts of a mesh. This works fine for static textures (usually). Now I want this texture to move, hoping the particle emission will also move across the mesh. I mapped the texture to the position of another animated object; Map Input is set to Object, with the name of the moving mesh entered. On rendering, I see the texture move across as expected, but the particles act as if the image is mapped to ORCO, and the emitting portion doesn’t move.

Has anyone gotten such a system to work?

Try playing with Nabla:

http://www.samguzman.com/upload/data/FlighTexOffPart.blend

Personally I can never get texture driven particles to do what I want (except for frizzing hair).

%<

Thanks for the blend fligh, that’s getting closer. However it seems to be generating just the very first particles, and these are moving only in the plane of the object. I still can’t give them a normal vector that’s driven by the location of the texture. Imma go check the development logs and bugtracker.