# 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