Calling this code inside the didMoveToView() of my SKScene: let frame = CGRect(x: 30, y: 200, width: 100, height: 100) let path = UIBezierPath(rect: frame) UIColor.blackColor().setStroke() path.stroke() self.addChild(SKShapeNode(path: path.CGPath)) does absolutely nothing. The scene is empty (it has the default SKScene grey background). Here I'm just trying to draw a black unfilled rectangle (this