title: Creating a circle mesh in c#
body: <p>I am creating in programm in which the users can create 2d shapes (circle, triangle, rectangle) in a 3d room.</p>
  
  <p>For an 2d rectangle i can use <code>Mesh.Box</code> but how can I create a triangle or a circle?</p>
  
  <p>I found that website: <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/bb153276(v=vs.85).aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/windows/desktop/bb153276(v=vs.85).aspx</a></p>
  
  <p>Can I transform that infos on my problem? can someone give me an example?</p>