// title: Vowel space by formants f2 f1
// author: grirgz
// description:
// Code by Andrea Valle
// code:
// Vowel space by formants f2 f1
(
	SynthDef(\vocali, { arg f1, f2, fund = 70, amp = 0.25 ;
		var source = Saw.ar(fund);
		var vowel = Normalizer.ar(BPF.ar(source, f1, 0.1))
		+
		Normalizer.ar(BPF.ar(source, f2, 0.1))
		* amp ;
		Out.ar(0, vowel.dup)
	}).add ;
)

(
	~synth = Synth(\vocali) ;

	d = 600; e = 400; f;
	w = Window("Spazio formantico", Rect(100, 100, d+20, e+20) ).front ;
	Array.series(21, 2500, 100.neg).do{|i,j|
		StaticText(w, Rect(j*(d/21)+5, 10, 30,10 ))
		.font_(Font("Helvetica", 8))
		.string_(i.asString)
	} ;
	Array.series(14, 200, 50).do{|i,j|
		StaticText(w, Rect(d, j*(e/14)+20, 30, 10 ))
		.font_(Font("Helvetica", 8))
		.string_(i.asString)
	} ;
	u = UserView(w, Rect(0, 20, d, e)).background_(Color.white) ;
	f = {|v, f2, f1| StaticText(u,
		Rect(f2.linlin(500, 2500, d, 0),
		f1.linlin(200, 800, 0, e)-18, 40,40))
		.string_(v).font_(Font("Helvetica", 18))
	} ;
	~vow = (
		// no unicode alas
		\i:[2300, 300], \e: [2150, 440], \E: [1830, 580],
		\a: [1620, 780], \O: [900, 580], \o: [730, 440],
		\u: [780, 290],\y: [1750, 300],\oe: [1600, 440],
		\OE: [1400, 580]
	) ;

	~vow.keys.asArray.do{|key|
		var f2 = ~vow[key].postln[0] ;
		var f1 = ~vow[key][1] ;
		f.value(key.asString, f2, f1)
	} ;

	w.acceptsMouseOver = true ;
	u.mouseOverAction_({|v,x,y|
		~synth.set(
			\f2, x.linlin(0, d, 2500, 500).postln,
			\f1, y.linlin(0, e, 200, 850).postln,
		)
	})
)