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 > >> osg-users@lists.openscenegraph.org > >> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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