public void Init(FormsHost host, FrameworkElement overlay)
{
context = new ContextStateProcessor();
context.AddState(0, x => new GenneralContextState(x, notificator));
context.SwitchTo(0);
scene = new SceneView(host, overlay, context, notificator);
scene.RenderStarted += OnRenderStarted;
primitiveDrawer.SetContext(context);
VisualTreeviewer.RenderModeSwither = new RenderModeSwitherCommand(context);
}