Thanx Erik! glDepthMask solve this problem ----- Original Message ----- From: "Erik Hofman" <[EMAIL PROTECTED]> To: "FlightGear developers discussions" <[EMAIL PROTECTED]> Sent: Friday, October 03, 2003 4:38 PM Subject: Re: [Flightgear-devel] Alpha sorting again
> Roman Grigoriev wrote: > > Hi guys! > > I implement smokes and missile trails on flightgear and come across to > > following problem: > > ALPHA sorting > > could you please describe me why we have this problem? > > so here is two screenshots one from plib viewer > > http://fgfs.narod.ru/snap2.jpg > > and one from flightgear. > > http://fgfs.narod.ru/snap1.jpg > > Maybe I should adjust state? > > Probably, try setting glDepthMask(GL_FALSE) just prior to drwing the > trails and set glDepthMask(GL_TRUE) when finished. > > This might work, but is not guaranteed. > Otherwise you have to sort the objects based on distance to the viewer > before drawing them. > > This could be done by applying this patch to plib: > > http://www.a1.nl/~ehofman/fgfs/download/Plib_ssgDList2-20020718.diff > > Erik > > > > _______________________________________________ > Flightgear-devel mailing list > [EMAIL PROTECTED] > http://mail.flightgear.org/mailman/listinfo/flightgear-devel > _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
