gistfile1.txt

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

			SCNView view = new SCNView (View.Frame);
			view.Scene = new SCNScene ();

			var sphere = SCNSphere.Create (10);
			var node = new SCNNode () { Geometry = sphere };

			view.Scene.RootNode.Add (node);
			view.AutoenablesDefaultLighting = true;
			view.AllowsCameraControl = true;

			sphere.FirstMaterial.Diffuse.ContentColor = NSColor.Blue;
			Task.Factory.StartNew (() =>
			{
				for (int i = 0; i < 1000; ++i)
				{
					BeginInvokeOnMainThread (() =>
					{
						int x = (int)Math.Floor (i * 2.4);
						if (i % 4 == 0)
							sphere.FirstMaterial.Diffuse.ContentColor = NSColor.FromRgba (x, 0, 0, 192);
						else if (i % 4 == 1)
							sphere.FirstMaterial.Diffuse.ContentColor = NSColor.FromRgba (0, x, 0, 192);
						else if (i % 4 == 2)
							sphere.FirstMaterial.Diffuse.ContentColor = NSColor.FromRgba (0, 0, x, 192);
						else
							sphere.FirstMaterial.Diffuse.ContentColor = NSColor.FromRgba (x, x, x, 192);
					});

					System.Threading.Thread.Sleep (25);
				}
				GC.Collect (2);
			});
			View.AddSubview (view);
		}