one more question. What are the possible values for shadow2DProj( shadow_texture, projShadow ).r ? I am trying to put the light attenuation back ..... and to avoid the shimmering Nick
http://www.linkedin.com/in/tnick Sent from Devlet, Ankara, Turkey On Fri, Jan 15, 2010 at 3:35 PM, Trajce Nikolov <[email protected]>wrote: > Hey Wojtek !!!! Thanks a lot. !! I will tune it to fix the shimmering > > > Nick > > http://www.linkedin.com/in/tnick > > > On Fri, Jan 15, 2010 at 3:08 PM, Wojciech Lewandowski < > [email protected]> wrote: > >> Trajce, >> >> Attached is a fixed source code. There is a lots of shadow shimmering on >> my GF8800. You will have to add some depth bias while rendering shadow map. >> Selection proper PolygonOffset values is usually a matter of trial and error >> so leave this for you. >> >> Wojtek >> >> ----- Original Message ----- >> >> *From:* Trajce Nikolov <[email protected]> >> *To:* OpenSceneGraph Users <[email protected]> >> *Sent:* Friday, January 15, 2010 9:58 AM >> *Subject:* Re: [osg-users] light lobes and shadow maps >> >> ABout the code. I use shader to simulate lght lobes thru phong lighting in >> the shader. Then I use shadow maps to detect the area behind the obstacles >> that need not to be lighten. Most is mixture of shadow maps technique with >> lighting scheme. Code snippets borrowed from all around >> >> Nick >> >> http://www.linkedin.com/in/tnick >> Sent from Devlet, Ankara, Turkey >> >> On Fri, Jan 15, 2010 at 10:54 AM, Trajce Nikolov < >> [email protected]> wrote: >> >>> Hi Guys, >>> >>> here is the code. >>> >>> Nick >>> >>> http://www.linkedin.com/in/tnick >>> Sent from Devlet, Ankara, Turkey >>> >>> On Thu, Jan 14, 2010 at 11:42 PM, Wojciech Lewandowski < >>> [email protected]> wrote: >>> >>>> Hi Nick, >>>> >>>> Post the troublesome code and elaborate a bit more about the problem. If >>>> its really a minute or two I am sure someone will be able to help. >>>> >>>> Wojtek Lewandowski >>>> >>>> *From:* Trajce Nikolov <[email protected]> >>>> *Sent:* Thursday, January 14, 2010 8:58 PM >>>> *To:* OpenSceneGraph Users <[email protected]> >>>> *Subject:* [osg-users] light lobes and shadow maps >>>> >>>> Hi community, >>>> >>>> I have some shader that does some lighting in the scene. Now studying >>>> osgShadow and the techniques. I want to a shadow map technique to disable >>>> the lightening of the scene behind obstacles. I have some code done, but >>>> not >>>> working. I need some help, someone experienced with GLSL to spend a minute >>>> or to to have a look and if possible to spot the problem. Anyone? >>>> >>>> Thanks a lot >>>> >>>> Nick >>>> >>>> http://www.linkedin.com/in/tnick >>>> Sent from Izmit, 41, Turkey >>>> >>>> ------------------------------ >>>> >>>> _______________________________________________ >>>> 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 >> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >
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