[Haskell-beginners] help opengl object

[Song Zhang]

Hi
     in Graphics.UI.GLUT.Objects
     there are some pre-defined object such as cube or cone
     I tried to draw objects in haskell but get black screen
     who can give me some examples to draw these objects
     and for drawing Cylinder  in the documentation what is (*freeglut
only) *means. do I need glut32.dll to render these object in windows?
     thanks

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