    # File ../lib/fox/glshapes.rb, line 533
        def drawshape(viewer)
          quad = GLU::NewQuadric()
          GLU::QuadricDrawStyle(quad, GLU::FILL)
          GL::PushMatrix()
          GL::Rotate(-90, 1, 0, 0)
          GLU::Cylinder(quad, @radius, @radius, @height, @slices, @stacks)
          GLU::QuadricOrientation(quad, GLU::INSIDE)
          GLU::Disk(quad, 0, @radius, @slices, @loops)
          GL::Translate(0, 0, @height)
          GLU::QuadricOrientation(quad, GLU::OUTSIDE)
          GLU::Disk(quad, 0, @radius, @slices, @loops)
          GL::PopMatrix()
          GLU::DeleteQuadric(quad)
        end