Re: [osg-users] Colors and Lighting

Hi Renan, On Fri, Mar 28, 2008 at 4:39 PM, Renan Mendes [EMAIL PROTECTED] wrote: I'm new at OSG and computer graphics in general, so I'd like to ask a few very simple questions: 1) When I use an osg::Vec4 for setting the clear color, I have, of course, 4 parameters. The first three

[osg-users] Colors and Lighting

Hi, I'm new at OSG and computer graphics in general, so I'd like to ask a few very simple questions: 1) When I use an osg::Vec4 for setting the clear color, I have, of course, 4 parameters. The first three are the proportion of red, green and blue. But what does the last one do? 2)