~numsprings = 41;
(
SynthDef(\scansynth41, { arg amp=0.1, gate=1, pan=0, freq=440, spring, damp;
    var in, ou;
    var springs;
    var sel;
	var env;
	in = LPF.ar(LocalIn.ar(1), XLine.ar(1,10,0.3)) * 0.97 + (LPF.ar(Trig.ar(gate, 0.01),200) * WhiteNoise.ar.range(0.98,1));
	spring = spring.dup(~numsprings);
	damp = damp.dup(~numsprings);
    ou = in;
    springs = spring.collect { arg spr, i;
        ou = Spring.ar(ou, spr, damp[i]);
    };
    LocalOut.ar(ou);
	sel = VarSaw.ar(freq * [0.999,1,0.499,2,1.01] * 0.5, width: LFNoise2.ar(1/2).range(0.2,0.5)).range(0, spring.size-1);
	SendReply.ar(Impulse.ar(30), cmdName: '/sel', values: sel);
	SendReply.ar(Impulse.ar(30), cmdName: '/springs', values: springs);
	ou = Splay.ar(SelectX.ar(sel, springs), 1);
	env = EnvGen.ar(Env.adsr(0.3,0.1,0.8,0.1, peakLevel:1),gate:gate,doneAction:2);
	ou = Pan2.ar(ou, pan, amp);
	// ou.poll(label:"out");
	Out.ar(0, ou[0]);
	Out.ar(0, ou[1]);
}).load;
)

(
var window, view, redraw;

// OSC bridge from synth to language
if ( ~updateSelector != nil, {~updateSelector.free});
if ( ~updateSprings != nil, {~updateSprings.free});
o = OSCFunc({|msg, time, addr, recvPort|
	~sel = msg[3..];
}, '/sel');
n = OSCFunc({|msg, time, addr, recvPort|
	// ~springs = msg[3..];
	msg[3..].do { |item, i|
		~springs[i] = item;
	}
	// ~springs.postln;
}, '/springs');
~springs=Array.fill(~numsprings, 0);
~sel = Array.fill(5, 0);

// simulation window drawing
if (~max == nil) { ~max = 0.001; "max".postln; };
window = Window.new(bounds:Rect(0,0,800,600),server:s);
window.front;
CmdPeriod.doOnce({window.close});
view = UserView(window, window.bounds);
view.background = Color.white;
view.resize = 5;
view.drawFunc = {
	|view|
	var jumpwidth = view.bounds.width / (~numsprings-1);
	Pen.fillColor = Color.black;
	Pen.strokeColor = Color.black;
	~springs.do({
		|spring, i|
		var height = (spring/~max*view.bounds.height/2) + (view.bounds.height/2);
		var circlesize = (view.bounds.height.pow(2) + view.bounds.width.pow(2)).sqrt / 50;

		if (spring.abs > ~max, {
			~max = spring.abs;
			"maxspring"+~max.postln;
		});

		if (i == 0, {Pen.moveTo(Point(0, height))},
		{Pen.lineTo(Point(i*jumpwidth, height))});
		Pen.addOval(Rect(i*jumpwidth-(circlesize/2), height-(circlesize/2), circlesize, circlesize));
	});
	Pen.fillStroke;
	Pen.color = Color.red;
	~sel.do({
		|sel, i|
		Pen.moveTo(Point(sel*jumpwidth, view.bounds.height));
		Pen.lineTo(Point(sel*jumpwidth, 0));
	});
	Pen.fillStroke;
};
view.frameRate = 30;
view.animate = true;
~charmap = Dictionary.new(17);
~charmap.put($a, 45); // C
~charmap.put($w, 46); // C#
~charmap.put($s, 47); // D
~charmap.put($e, 48); // D#
~charmap.put($d, 49); // E
~charmap.put($f, 50); // F
~charmap.put($t, 51); // F#
~charmap.put($g, 52); // G
~charmap.put($y, 53); // G#
~charmap.put($h, 54); // A
~charmap.put($u, 55); // Bb
~charmap.put($j, 56); // B
~charmap.put($k, 57); // C
~charmap.put($o, 58); // C#
~charmap.put($l, 59); // D
~charmap.put($p, 60); // D#
~charmap.put($;, 61); // E

view.keyDownAction = {
	|view, char|
	//	("keydown" + char).postln;

	~lastchar = char;
	if (~charmap.at(char) != nil, {
		("kd freeing" + ~syn).postln;
		~syn.release(0.02);
		~max = 0.001;
		~syn = Synth(\scansynth41, [\freq, ~charmap.at(char).midicps, \spring, ~spring, \damp, ~damp, \pan, ~pan], s);
		("kd creating" + ~syn).postln;
	});
};
)

( // control window
var window, dampknob, damptext, springknob, springtext, resetbutton, panknob, pantext, newbounds;
window = Window.new(server:s);
damptext = StaticText.new();
damptext.string = "damping\n";
dampknob = Knob.new(window);
dampknob.mode = \vert;
dampknob.action = {
	|knob|
	var value = 100.pow(knob.value)*0.01;
	damptext.string_("damping\n"++value);
	value.postln;
	~damp = value;
	~syn.set(\damp, value);
};
springtext = StaticText.new();
springtext.string = "spring\n";
springknob = Knob.new(window);
springknob.mode = \vert;
springknob.action = {
	|knob|
	var value = 12.pow(knob.value)*0.01;
	springtext.string_("spring\n"++value);
	value.postln;
	~spring = value;
	~syn.set(\spring, value);
};
pantext = StaticText.new();
pantext.string = "pan\n";
panknob = Knob.new(window);
panknob.mode = \vert;
panknob.action = {
	|knob|
	var value = knob.value * 2 - 1;
	pantext.string_("pan\n"++value);
	value.postln;
	~pan = value;
	~syn.set(\pan, value);
};
springknob.valueAction_(0.5);
dampknob.valueAction_(0.5);
panknob.valueAction_(0.5);
resetbutton = Button(window).states_([['Reset', Color.black]]).action_({ ("resetting max to 0, was" + ~max).postln; ~max = 0;});
window.layout = VLayout(HLayout(springknob, springtext), HLayout(dampknob, damptext), HLayout(panknob, pantext), resetbutton);
window.bounds = Rect(800,0,400,400);
window.front;
)