I need some help. 
I wan to draw lines in instruments layer. I made a new subclass of 
FGInstrumentLayer and in draw method I do 
 glDisable ( GL_TEXTURE_2D );
 glBegin(GL_LINES);
        glVertex2f(-100,0);
        glVertex2f(100,0);
 glEnd();

but it doesn't draw anything. But when I draw something with GL_POLYGON it 
draw fine.

What I should to change, please?

Thanks,
MaDr


-- 
      Martin Dressler

e-mail: [EMAIL PROTECTED]
http://www.musicabona.com/martin

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