public void Fingering_In_Single_Area_Is_One_Hand_Position()
{
var f = new Fingering();
f.Add(new FingerPosition(1, 1));
f.Add(new FingerPosition(2, 1));
f.Add(new FingerPosition(3, 1));
Assert.Single(f.HandPositions());
}
public void Fingering_Of_Octave_Is_Three_Hand_Positions()
{
var f = new Fingering();
foreach (int fret in Enumerable.Range(1, 12))
{
f.Add(new FingerPosition(fret, 1));
}
Assert.Equal(3, f.HandPositions().Count);
}
public void Fingering_Along_Single_String_Scores_Lower_Than_Across_Three_Strings()
{
var oneString = new Fingering();
// do they all fit under one hand position.
// one fret per finger
oneString.Add(new FingerPosition(0, 1));
oneString.Add(new FingerPosition(1, 1));
oneString.Add(new FingerPosition(2, 1));
oneString.Add(new FingerPosition(3, 1));
oneString.Add(new FingerPosition(4, 1));
oneString.Add(new FingerPosition(5, 1));
var spread = new Fingering();
spread.Add(new FingerPosition(10, 3));
spread.Add(new FingerPosition(11, 3));
spread.Add(new FingerPosition(12, 3));
spread.Add(new FingerPosition(8, 2));
spread.Add(new FingerPosition(9, 2));
spread.Add(new FingerPosition(10, 2));
var scorer = new FingeringScorer();
Assert.True(scorer.Score(oneString) < scorer.Score(spread));
}
public void Fingering_Repeated_Notes_Are_Included_In_Hand_Positions()
{
var f = new Fingering();
foreach (int fret in Enumerable.Range(1, 12))
{
foreach (int @string in Enumerable.Range(1, 6))
{
f.Add(new FingerPosition(fret, @string));
}
}
Assert.Equal(3, f.HandPositions().Count);
}
static void Main(string[] args)
{
var instrument = new SixStringGuitarInstrument();
// create a simple melody.
var walkingBassFingering = new Fingering();
walkingBassFingering.Add(new FingerPosition(0, 1));
walkingBassFingering.Add(new FingerPosition(1, 1));
walkingBassFingering.Add(new FingerPosition(2, 1));
walkingBassFingering.Add(new FingerPosition(3, 1));
Console.WriteLine(FingeringPrinter.Print(walkingBassFingering, instrument));
// build the list of notes
var melody = walkingBassFingering.ToMelody(instrument);
// can we build the simples reconstruction ?
var roundTripFingering = FingeringCreator.CreateFingeringFor(instrument, melody, new FixedValueSelector());
Console.WriteLine(FingeringPrinter.Print(roundTripFingering, instrument));
Console.ReadKey();
}
public static Fingering CreateFingeringFor(this FingerboardInstrument instrument, Melody piece, ISelectValue randomness)
{
var notes = piece.Notes;
var fingering = new Fingering();
foreach (Note p in notes)
{
var possibleAlternatives = instrument.PositionsFor(p);
int randomIndex = randomness.BetweenZeroAnd(possibleAlternatives.Count - 1);
FingerPosition selected = possibleAlternatives[randomIndex];
fingering.Add(new FingerPosition(selected.Fret, selected.String));
}
return(fingering);
}
public void Fingering_In_High_Then_Low_Area_Is_Two_Hand_Positions()
{
var f = new Fingering();
f.Add(new FingerPosition(10, 1));
f.Add(new FingerPosition(11, 1));
f.Add(new FingerPosition(12, 1));
f.Add(new FingerPosition(1, 1));
f.Add(new FingerPosition(2, 1));
f.Add(new FingerPosition(3, 1));
Assert.Equal(2, f.HandPositions().Count);
}