// change the relationships between amps., two closely related sines
// lp


(
	{
	x = Line.kr(0.001, 1, 8);
	s = SinOsc.ar(220, 0, x);
	t = SinOsc.ar(225, 0, 1 - x);
	(s + t) * 0.5
	}.scope

)
	

// similar, but add a simple gui to two sine waves... play with beats...
(


 	var w, s1, s2, n1, n2;
	w = GUIWindow.new("Runnemeede sine waves", Rect.newBy( 128, 64, 409, 140 ))
		.backColor_(rgb(166,17,176));
	s1 = SliderView.new( w, Rect.newBy( 43, 45, 128, 20 ), "SliderView", 220, 5, 20000, 1, 'linear')
		.backColor_(rgb(166,17,176)).knobColor_(rgb(176,155,49));
	s2 = SliderView.new( w, Rect.newBy( 44, 84, 128, 20 ), "SliderView", 221,  5, 20000, 1, 'linear')
		.backColor_(rgb(176,44,79)).knobColor_(rgb(176,97,47));
StringView.new( w, Rect.newBy( 188, 50, 136, 17 ), "Sine wave 1 frequency ")
		.backColor_(rgb(49,100,176));
	StringView.new( w, Rect.newBy( 190, 85, 138, 17 ), "Sine wave 2 frequency ")
		.backColor_(rgb(63,112,176));
	n1 = NumericalView.new( w, Rect.newBy( 334, 49, 64, 20 ), "NumericalView", 220,  5, 20000, 1, 'linear');
	n2 = NumericalView.new( w, Rect.newBy( 335, 83, 64, 20 ), "NumericalView", 221,  5, 20000, 1, 'linear');
	StringView.new( w, Rect.newBy( 117, 13, 197, 24 ), "Let's get with da' beat!!!!")
		.backColor_(rgb(60,161,176));
	
	n1.action = { s1.value = n1.value };
	s1.action = { n1.value = s1.value };
	n2.action = { s2.value = n2.value };
	s2.action = { n2.value = s2.value };
	
	{
	s = SinOsc.ar(ControlIn.kr(s1));
	t = SinOsc.ar(ControlIn.kr(s2));
	(s + t) * 0.5
	}.scope



)