Instead of emitting from the grid, could you not create a weightmap on the uneven surface based on your grids raycast?
Then emit directly on the uneven surface with a filter by weightmap.. I think. On Tuesday, 18 March 2014, olivier jeannel <olivier.jean...@noos.fr> wrote: > In order to better help (It's so noisy these days) Can you post a screen > grab of what you want ? What's the matter with deleting particles ? > > > Le 18/03/2014 20:06, Simon van de Lagemaat a écrit : > >> Hey guys, >> >> I'm trying to do something simple, just emitting a flat grid on a uneven >> surface that can have it's heading changed. Currently I'm just creating a >> grid in a point cloud and raycasting it down on to my surface but I'm >> having to kill off the particles outside the surface which is a pita. >> >> Is there a simple way to emit a rotatable grid from the surface directly >> rather than raycasting? Even being able to kill off the particles that >> aren't raycasting on to the surface would suffice. >> > >
