SynthDef("oscillator", {| out = 0, in = 16, amp = 0, freq = 440, form = 0, mix = 1, pre = 1|
	var input, frq_interp, amp_interp, osc, forms;
	input = InFeedback.ar(in)*Lag.kr(pre, 1/8);
	frq_interp = Lag.kr(freq, 1/8);
	frq_interp = frq_interp*(input+1);
	amp_interp = Lag.kr(amp, 1/8);
	forms = 
		[
			SinOsc.ar(frq_interp, 0, amp),
			Pulse.ar(frq_interp.clip(0.001, 22050), 0.5, amp),
			Saw.ar(frq_interp.clip(0.001, 22050), amp)
		];
	osc = Select.ar(Silent.ar + form, forms);
	XOut.ar(out, mix, osc)
	}).store;
	
SynthDef("output", {|vol = 1|
	var input;
	input = InFeedback.ar(16);
	Out.ar(0, Limiter.ar(input, 0.9)!2);
	}).store;
	
~panel = Conductor.make{|con|
	var amps, forms, mixes, outs, pres, freqs;
	con.valueKeys_(#[]);

//===========amps==================	
	~amps = amps = (0..15).collect{CV.new.sp(0,0,1);};
	con.gui.keys = con.gui.keys.add(\amps);
	con.gui.guis.put(\amps, [\vslider]++amps);
//	con.valueKeys = con.valueKeys ++ \amps;
	con.gui.guis.put(\namps, [\numerical]++amps);
	con.gui.keys = con.gui.keys.add(\namps);
	
//===========forms=================
	~forms = forms = ~amps.collect{CV.new.sp(0,0,2,1);};
	con.gui.keys = con.gui.keys.add(\forms);
	con.gui.guis.put(\forms, [\hslider]++forms);
//	con.valueKeys = con.valueKeys ++ \forms;
	
//===========mixes=================
	~mixes = mixes = ~amps.collect{CV.new.sp(0.0625,0,1);};
//	con.valueKeys = con.valueKeys ++ \mixes;
	
//===========outs==================
	~outs = outs = ~amps.collect{CV.new.sp(0, 0, 16, 1);};
	con.gui.keys = con.gui.keys.add(\outs);
	con.gui.guis.put(\outs, [\numerical]++outs);
//	con.valueKeys = con.valueKeys ++ \outs;
	outs.do{|x, i|
		x.action_({
			var mix, sub, ind;
			sub = outs.select({|y| x.value == y.value});
			mix = sub.size;
			if(mix!=0, {
				mix = 1/mix;
				ind = sub.collect{|z|
					outs.indexOf(z);
				};
				ind.do{|z| mixes[z].value_(mix); };
			});
		});
	};

//===========pres==================
	~pres = pres = ~amps.collect{CV.new.sp(1,0,1024)};
	con.gui.keys = con.gui.keys.add(\pres);
	con.gui.guis.put(\pres, [\numerical]++pres);
//	con.valueKeys = con.valueKeys ++ \pres;

//===========freqs=================
	~freqs = freqs = ~amps.collect{CV(\freq)};
	con.gui.keys = con.gui.keys.add(\freqs);
	con.gui.guis.put(\freqs, [\vslider]++freqs);
//	con.valueKeys = con.valueKeys ++ \freqs;
	con.gui.guis.put(\nfreqs, [\numerical]++freqs);
	con.gui.keys = con.gui.keys.add(\nfreqs);

//===========gui===================
	con.gui.use 
		{
			~numericalRect = Rect(0, 0, 40, 16);
			~vsliderRect = Rect(0, 0, 40, 120);
			~popupRect = Rect(0, 0, 40, 16);
			~sliderRect = Rect(0, 0, 40, 16);
		 };

//===========synths=================
	~synths = amps.collect({|x, i|
		con.synth_(
			(
				instrument:\oscillator
			), [amp: amps[i], freq: freqs[i], form:forms[i], out:[outs[i], (outs[i]+16)], mix:1/16, in:17+i, pre:pres[i], freq:freqs[i]]
		)
	});
	con.synth_(
		(
			instrument:\output,
			addAction:\addToTail
		)
	);	
	con.name_("ON");
	con.preset.items = amps ++ forms ++ outs ++ freqs ++ pres;
}.show("keith's drone engine", 128, 64, 900);

~labels = (0..17).collect{|x| SCStaticText(~panel, Rect(0, 0, 40, 16)); };
~labels.do{|x, i|
	if(i<2, {
		x.string_("");
		}, {
		x.string_("ch"+(i-1)) 
		};
	);
};