Try to assign a signle color and BIND_OVERALL-it to the sphere. Change then the transparency dynamically, and tell me what happens!
Sukender PVLE - Lightweight cross-platform game engine - http://pvle.sourceforge.net/ Le Wed, 19 Nov 2008 17:32:52 +0100, Vincent Bourdier <[EMAIL PROTECTED]> a écrit: > Hi, > > 2008/11/19 Sukender <[EMAIL PROTECTED]> > >> > Yes, I have a partially white sphere. I cannot set specular OFF, I need >> it >> > for others nodes in the scene. I cannot modify light in fact. >> > So I need to change skymap parameters. >> >> Yes, set the material of your sky sphere to have no specular component. >> >> >> > If I put lighting OFF, the opacity do not seems to work... >> >> Did you use GL_BLEND and TRANSPARENT_BIN as David said ? >> Try to set a color for the vertices (forget about the material, that's for >> lighting). >> > > Okay, it changes the color, that's true. With this, I do not need no > material anymore. But ... (see next) > >> >> >> > How can I combine : no ligthing area visible on skymap and opacity >> which >> > can be changed ? >> >> I don't understand your sentence... (sorry). Do you mean you wish your sky >> sphere to have a transparency that you change over time? >> If so, there nothing special to do. Just try to make transparency work when >> disable lighting. >> > > Exactly ! ...But to change opacity I use material to set my own transparency > value... So I need material to do that. > > So for now, the problem is : I need material to change opacity value along > the time, and I need no material to avoid lighting on the sphere... > > Nice dilemma, isn't it ? :-( > > thanks, > > Vincent. > > >> >> > Thanks for help. >> >> De rien (= you're welcome = de nada = etc.). >> >> >> Sukender >> PVLE - Lightweight cross-platform game engine - >> http://pvle.sourceforge.net/ >> >> >> >> Hi Vincent, >> >> >> >> I'm not sure I understand... do you mean your blue sky sphere appears >> >> partially white because of lighting? If yes, try disabling specular >> >> components (on both light and sphere material if needed), this may be >> that >> >> white spot. Or did you set light colors components >1? >> >> And as far that I know, opacity is not related to lighting: you can have >> a >> >> semi-transparent sphere with lighting disabled. >> >> >> >> Sukender >> >> PVLE - Lightweight cross-platform game engine - >> >> http://pvle.sourceforge.net/ >> >> >> >> Le Wed, 19 Nov 2008 16:28:41 +0100, Vincent Bourdier < >> >> [EMAIL PROTECTED]> a écrit: >> >> >> >> > Hi, >> >> > >> >> > Making a new king of skymap, I have this problem : the light source, >> >> closer >> >> > to the skymap (sphere with blue material only), make it render white, >> >> > because of the lighting... >> >> > I want to obtain the same thing without this white area... >> >> > >> >> > I need to manage opacity of this sphere, so Lighting ON seems to be >> >> > necessary, no ? >> >> > >> >> > The fact is I need a coloredsphere, not having this lighting area >> >> becoming >> >> > white, and able to be set transparent. >> >> > >> >> > Any Idea ? >> >> > >> >> > I've tried changing lighting ON/OFF, material FRONT, BACK, FRONT and >> >> BACK, >> >> > Emission component, Ambiant component... >> >> > >> >> > Thanks. >> >> > >> >> > Regards, >> >> > Vincent. >> >> >> >> _______________________________________________ >> >> osg-users mailing list >> >> [email protected] >> >> >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
