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////////////////////////////////////////////////////////////////////////////////////////////////////
// SCANNER = passing smoothly between 'n' input to 1 output. ///////////////////////////////////////
// Version for a maximum of 4 inputs :
scanner4(nb, position) = -(_,soustraction) : *(_,coef) : cos : max(0)
with {
coef = 3.14159 * ((nb-1)*0.5);
soustraction = select2( position>0, 0, (position/(nb-1)) );
};
// Version for more than 4 inputs.
scanner(nb, position) = _ <: (_ , scan) : compare
with {
coef = 3.14159 * ((nb-1)*0.5);
soustraction = select2( position>0, 0, (position/(nb-1)) );
minimum = ((1/(nb-1))*(position-1)); //
maximum = ((1/(nb-1))*(position+1)); //
compare(in, sig) = select2(in>minimum, 0, sig) : select2(in<maximum, 0, _);
scan = _ : (-(_,soustraction) : *(_,coef) : cos);// : max(0)
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Wavetable generator, for waveshapping or wavetable synthesis ////////////////////////////////////
WF(tablesize, rang) = abs((fmod ((1+(float(ba.time)*rang)/float(tablesize)), 4.0))-2) -1.;
////////////////////////////////////////////////////////////////////////////////////////////////////
// RS latch (Reset-Set) ////////////////////////////////////////////////////////////////////////////
RSLatch(S, R) = latch(S,R)
with {
trig = _<:_,mem: >;
latch(S,R) = _~(ba.if(S>0.5,1,_) : ba.if(R>0.5, 0, _));
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Count until a number, then wait until Reset to re-start /////////////////////////////////////////
counterUpReset(nb, in, reset) = (in:trig), reset : (routage : memo2,_)~_
with {
trig = _<:_,mem: >;
memo2(a, b) = (ba.if(b>0.5, 0, _))~(+(a));
compare(value) = ba.if(value>nb, 1, 0); // :trig;
routage(d,e,f) = e, (f, compare(d) : RSLatch : +(f) <: _,_);
};
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