title: How to move uiview on circle trajectory with rotating?
body: <p>just like the path in the picture</p>
  
  <p>(new users aren't allowed to post images, sorry  i can only give the link)</p>
  
  <p><a href="http://cdn.dropmark.com/30180/3bd0f0fc6ee77c1b6f0e05e3ea14c821f8b48a82/questiong1-1.jpg" rel="nofollow">http://cdn.dropmark.com/30180/3bd0f0fc6ee77c1b6f0e05e3ea14c821f8b48a82/questiong1-1.jpg</a></p>
  
  <p>Thanks a lot for any help</p>