The Filter by Volume node has this set up already, if you wanted to steal it from somewhere. I may have done this :)
On 10 September 2015 at 12:24, Olivier Jeannel <[email protected]> wrote: > Brillant ! > > On Thu, Sep 10, 2015 at 9:22 AM, Oscar Juarez <[email protected]> > wrote: > >> Get closest location to the grid, subtract this location position from >> the particle position, dot product to the location normal, depending on the >> value you can know if it's back face or front face. >> On Sep 10, 2015 8:58 AM, "Olivier Jeannel" <[email protected]> >> wrote: >> >>> That's something I've wondered for while and since I'm waiting in a >>> starbuck... >>> Let's say you have a fied of particles. In the middle of the field you >>> put a grid. >>> How do I recognize the particles that are on the front side and the >>> particles that are on the back side of the grid ? >>> >>> :) >>> >> >
