On mardi 30 septembre 2008, Vivian Meazza wrote: > gerard robin wrote > > > > > On lundi 29 septembre 2008, Vivian Meazza wrote: > > > > > gerard robin wrote > > > > > > > > > > > > > > > > > > > > So, if I understand you correctly, there are no missing features, > > > > just > > > > > > the > > > > > > > > > 2 bugs: z buffer and jitter. Tim has submitted a fix for both those > > > > to > > > > > > OSG. > > > > > > > > > I've been using it for some time now. Works perfectly, but AFAIKS > > > > have > > > > > > not > > > > > > > > > been taken aboard by OSG. > > > > > > > > > > Before: > > > > > > > > > > ftp://ftp.abbeytheatre2.org.uk/fgfs/Screen-shots/bucc-particles.jpg > > > > > > > > > > After: > > > > > > > > > > ftp://ftp.abbeytheatre2.org.uk/fgfs/Screen-shots/bucc-particles- > > > > 2.jpg > > > > > > > Vivian > > > > > > > > Not exactly what i mean. > > > > Yes, with xml, had bug with the z buffer > > > > > > > > No ,xml don't gives every feature which are available with OSG > > > > script, The result from FG xml script is very simple ( not far from > > > > we had > > > > with > > > > > > PLIB > > > > effects ). > > > > OSG script can be very complex with animations into animations > > > > regarding > > > > > > particles shapes, particles colors ... and so on. > > > > > > I'm not sure I understand the problems that you describe - the xml > > > particles do particle colour, size, transparency, texture, and the > > > > gravity, > > > > > fluid, and wind programs all work (which they don't in the .osg script) > > > > - > > > > > I'm not aware of anything missing? Only 2 shapes are available: QUAD > > > > and > > > > > LINE. I would guess that they cover pretty much all our needs; do you > > > > have > > > > > an example of requirement for another shape? > > > > > > > For instance, the effect does not need any texture which is processed > > > > randomly, according the OSG script. > > > > > > Sorry you lost me there - random texture? Language difficulty perhaps? > > > > sorry, my language is not good ( out from the hospital, i need some > > rest :) , same problem in French :( ) > > > > > > To me (and today) there is only one way to get the best nice effects > > > > (more realistic): > > > > => it is to use the OSG script, but if it will be fully translated > > > > to > > > > > > XML > > > > (which could give some "heavy" coding). > > > > > > If you could describe what is missing in your opinion, we could perhaps > > > > at > > > > > least put it on the TODO list. Don't think the coding would be too > > > > heavy. > > > > > > I had tried to get the effect that i get with the Catalina wakes OSG, > > without any success. > > When testing the xml scripts, i never got the same result ( may be i am > > wrong), the result was very poor. > > > > The content of the OSG scripts (when reading it) shows that there is an > > animation into an other animation, and a processing of shape colors and > > transparencies which avoid any texture ( the texture looks to be created > > randomly). > > > > We can notice that, these OSG examples are a very low level examples ( > > even > > they are better than my XML translation) > > With it we can have an higher complexity ( i am working on it) and i hope > > to > > get better and better effects, without any limitations, but the know how > > the "writer" and the power of the CPU. > > > > So, i concluded that only OSG script is able to answer the requested > > complexity. > > > > > > So up to now, because OSG opened a wide door to many features, i > > > > guess that we > > > > must not reduce the size of that door :) > > > > > > > > Again, i agree with the common usage of it, like trailing smoke, or > > > > some dust on the wheel when touching the ground, however we can do > > > > more > > > > > > than we did with PLIB. > > > > > > I haven't found an effect I couldn't do yet, but perhaps you have? Let > > > > us > > > > > know and we will look into it. > > > > You are right, if we only want the basic ones, which answer today to > > most of > > the "generic" requests, in addition to it, we still have Plib which > > answer too ( the Catalina water bomber use it, i don't need to translate > > it in OSG) > > > > However with OSG we can do more and better, the wake effects , the fire > > effect, exploding effect are other specific cases which wants more > > complexity. > > Sorry to read that you have been in hospital - hope you are well now, > > Regards > > Vivian > Thanks, I feel being like a program in CVS, when a lot of persons are working on me It is never finished :)
Unfortunately the comparison stops here, because there is not any improvement, only repair. Cheers -- Gérard http://pagesperso-orange.fr/GRTux/ "J'ai décidé d'être heureux parce que c'est bon pour la santé. Voltaire " ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
