\\ some basic templates for envelopes, amplitude and frequency modulations
\\ lp, 4/99




\\ simple enveloping

(
	{
		var freq = 220, e, e1;
		e = Env.linen(0.02, 1, 2.1);
		e1 = Env.perc(0.52, 1.5, 370);
		Formant.ar(freq, EnvGen.kr(e1) + 500, 50 , EnvGen.kr(e))
	}.scope

)


\\ spawning time
\\ try changing the envelope durations to be a lot longer than spawning!
( 
var freq, amp = 0.25, e; 
 e = Env.new([0.001,1,0.3,0.8,0.001],[0.2,0.01,0.5,0.02],'exponential');
{ Spawn.ar({ SinOsc.ar(800.rand, 0, EnvGen.ar(e) ) }, 1, 2, 15) }.scope; 

) 




\\ very basic, two operator frequency modulation
( 


	{

		var freqc = 200, freqm = 5, ampc = 0.5, ampm = 0.15;
		l = LFSaw.ar(freqm, ampm );
		s = SinOsc.ar( (l * freqc) + freqc, 0, ampc);
		s
	}.scope;

)


\\ very basic, two operator frequency modulation, with gui
( 

 var w, s1, s2;
	w = GUIWindow.new("simple freq mod.", Rect.newBy( 128, 64, 377, 116 ));
	s1 = SliderView.new( w, Rect.newBy( 24, 28, 128, 20 ), "SliderView", 0, 0, 200, 0.5, 'linear');
	s2 = SliderView.new( w, Rect.newBy( 178, 29, 128, 20 ), "SliderView", 0, 0, 1, 0.01, 'linear');
	StringView.new( w, Rect.newBy( 26, 57, 128, 20 ), "Mod. freq ");
	StringView.new( w, Rect.newBy( 181, 61, 128, 20 ), "Mod.amp ");
	{

		var freqc = 200, freqm = 2, ampc = 0.5, ampm = 0.05;
		l = LFSaw.ar( ControlIn.kr(s1), ControlIn.kr(s2) );
		s = SinOsc.ar( (l * freqc) + freqc, 0, ampc);
		s
	}.scope;
w.close;

)

\\ very basic, two operator amplitude modulation
( 

 var w, s1, s2;
	w = GUIWindow.new("simple amp mod.", Rect.newBy( 128, 64, 377, 116 ));
	s1 = SliderView.new( w, Rect.newBy( 24, 28, 128, 20 ), "SliderView", 0, 0, 400, 1, 'linear');
	s2 = SliderView.new( w, Rect.newBy( 178, 29, 128, 20 ), "SliderView", 0, 0, 1, 0.01, 'linear');
	StringView.new( w, Rect.newBy( 26, 57, 128, 20 ), "Mod. freq ");
	StringView.new( w, Rect.newBy( 181, 61, 128, 20 ), "Mod.amp ");
	{

		var freqc = 200, freqm = 2, ampc = 0.5, ampm = 0.05;
		l = SinOsc.ar( ControlIn.kr(s1), 0, ControlIn.kr(s2) );
		s = SinOsc.ar( freqc, 0, l + ampc );
		s
	}.scope;
w.close;

)