Re: [osg-users] How to make sure that both the back and the frontside of a polygon are lit...

Jason Daly writes: Alberto Luaces wrote: If I reverse the normals the opposite side lights up as expected .. Am I doing something wrong.. Just a clarification: I didn't wrote this, it was Sunil :) Good point, Jason. I didn't thought about the case in that OP's light could not be

Re: [osg-users] How to make sure that both the back and the frontside of a polygon are lit...

Alberto Luaces wrote: If I reverse the normals the opposite side lights up as expected .. Am I doing something wrong.. Are you expecting both sides to be lit identically (i.e.: the front lit as brightly as the back) ? Keep in mind that OpenGL doesn't do global illumination (that is,