title: Drag to change position of a 3D model object in Three.js scene
body: <p>I am using an example of three.js in which I can rotate, zoom in and zoom out the 3D object but I need to change its position by dragging. I am stuck in this for a very long time any help would be appreciated.</p>
  
  <p>here is the link of example:</p>
  
  <p><a href="http://public.manuelwieser.com/female_croupier_2013-03-26.htm" rel="nofollow">http://public.manuelwieser.com/female_croupier_2013-03-26.htm</a></p>