[Flightgear-devel] Getting the right View position and orientation

2005-01-25 Thread Luca Masera
Hi Jim, >It may help for you to explain more about what you are trying to do. Is this >exhaust smoke from a moving aircraft model? Probably I'm the one to help you >since I rewrote most of the viewer a couple years ago, but I just don't >understand what you are asking. > >This is may not help,

Re: [Flightgear-devel] Getting the right View position and orientation

2005-01-21 Thread Jim Wilson
Luca Masera said: > Hi everyone, > > I've added a particle system to FlightGear that simulates the smoke via a PLIB object > (I adapted the class ssgaParticleSystem to meet some requirements). > However, I've in trouble with billboarding. Used alone, with a PLIB's example, the code > that rota

[Flightgear-devel] Getting the right View position and orientation

2005-01-21 Thread Luca Masera
Hi everyone, I've added a particle system to FlightGear that simulates the smoke via a PLIB object (I adapted the class ssgaParticleSystem to meet some requirements). However, I've in trouble with billboarding. Used alone, with a PLIB's example, the code that rotates the particles following the