ok .. did some experiments and made it work. Now I am seeing it the same with Texture1D. Any ideas how this texture should look like?
Nick http://www.linkedin.com/in/tnikolov Sent from Gümüşsuyu, İstanbul, Turkey On Fri, Dec 11, 2009 at 12:10 PM, Trajce Nikolov <[email protected]>wrote: > Hi Robert, > > 1D texture approach with attenuation, based on your state should do the > work. However, I am not familiar with this technique. Could you give more > words on this, or point me what is to search for > > Thanks ! > > Nick > > http://www.linkedin.com/in/tnikolov > Sent from Gümüşsuyu, İstanbul, Turkey > > On Fri, Dec 11, 2009 at 12:06 PM, Robert Osfield <[email protected] > > wrote: > >> Hi Nick, >> >> On Fri, Dec 11, 2009 at 9:40 AM, Trajce Nikolov >> <[email protected]> wrote: >> > I mimic the code from osgspotlight and here are the results. To me it >> looks >> > like one half of the lobe is mirrored. Any idea ? >> >> This is a classic issue with projective texturing - the way around it >> is either to use a shader to disable the lighting behind, or to use a >> 1D texture along the axis of the light that clips out the light from >> behind. Such a texture would also enable you to attenuate the light. >> >> Robert. >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > >
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