gistfile1.swift

    var angle = 0.0
    for view in uiViews {
      viewContainer.addSubview(view)
      var sine: CGFloat = CGFloat(sin(Float(angle)))
      var cosine: CGFloat = CGFloat(cos(Float(angle)))
      var r: CGFloat = view.superview!.frame.height / 2.0
      var x: CGFloat = sine * r
      var y: CGFloat = cosine * r
      layout (view) { view in
        view.centerX == view.superview!.centerX + Float(x)
        view.centerY == view.superview!.centerY + Float(y)
        // set some size for the views
        view.height == 75
        view.width == 75
      }
      angle += Double((360.0 / Double(uiViews.count)) * 3.14/180.0)
    }