Erik Hofman writes: > Particles (in OpenGL) are a large number of polygons which have the > same characteristics. By updating the particles in one shot you > should be able to get the best perfomance out of the hardware.
Do you mean that all of the billboarded trees would be under the same transformation? That wouldn't work, because each tree has to turn to a slightly different angle to face the camera, and each has to rotate about its own centrepoint. All the best, David -- David Megginson, [EMAIL PROTECTED], http://www.megginson.com/ _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
