//    Instruction Example :     objectid mesh.ring.create (float,float,long)

    Screen.Resolution.Set(512, 384)

        Screen.Set(BACK)
          Pattern.Display("avo\bubble.gif")
    Screen.End()

        @camera   = Camera.Create(0.0, 0.0, -100.0, 0.0, 0.0, 0.0)

        @viewport = Viewport.Create()
        Viewport.Camera.Set(@viewport, @camera)

    Mesh.Rotation.Stack(-30, 30, 0)
        @mesh = Mesh.Ring.Create(30, 20, 16)

        Mesh.Display(@mesh)
        Viewport.Display(@viewport)

        Screen.Set(FRONT)
          Text.Display("Press a key to exit.", CENTER, 350)
        Keyboard.Wait()
    Screen.End()

        Mesh.Kill(@mesh)
        Viewport.Kill(@viewport)
        Camera.Kill(@camera)
    Script.Stop()