// title: Cheap Screen Saver (randomness free)
// author: rukano
// description:
// Messing around with pen, trying not to use randomness. Turned out like a 90's screen saver.
// code:
w = Window("screensaver", Window.screenBounds).front.fullScreen;
w.view.keyDownAction = { w.close };
u = UserView(w, w.view.bounds);
u.background = Color.black;
u.animate = true;
u.clearOnRefresh = false;
u.drawFunc = { |u|
	var width = u.bounds.width;
	var height = u.bounds.height;
	var size = 2;
	Pen.fillColor = Color.black.alpha_(sin(u.frame).abs/100);
	Pen.fillRect(u.bounds);
	Pen.strokeColor = Color(u.frame/1e3%1,sin(u.frame/100).abs,cos(u.frame/666).abs,0.1);
	Pen.rotate(u.frame/(360/4), width/2, height/2);
	Pen.scale(size, size);
	Pen.use{
		Pen.moveTo(Point(0,0));
		100.do{ |i| Pen.lineTo(Point(u.frame * cos(i) % 400, u.frame / sin(i) % 400)) };
		Pen.stroke;
	};
};