public static List <Tone> ApplyMotif(this List <Note> key, Motif motif, int?startIndex = null, int startOctave = 4)
{
int start = startIndex ?? motif.Pitches[0];
var translatedMotif = new Motif();
var translationAmount = start + startOctave * key.Count - motif.Pitches[0];
translatedMotif.Pitches = motif.Pitches.Select(i => i == -1 || i + translationAmount < 0 ? i : i + translationAmount).ToList();
var appliedMotif = new List <Tone>();
var octaves = 100;
var keyRange = key.KeyRange(octaves);
for (int i = 0; i < translatedMotif.Pitches.Count; i++)
{
var tone = new Tone();
if (translatedMotif.Pitches[i] == -1)
{
tone.Note = Note.Rest;
tone.Octave = null;
}
else
{
var octave = keyRange[translatedMotif.Pitches[i]].Octave;
int?octaveToUse;
if (octave < Sound.MinOctave)
{
octaveToUse = Sound.MinOctave;
}
else if (octave > Sound.MaxOctave)
{
octaveToUse = Sound.MaxOctave;
}
else
{
octaveToUse = octave;
}
tone.Note = keyRange[translatedMotif.Pitches[i]].Note;
tone.Octave = octaveToUse;
}
tone.Length = motif.Rhythm[i];
appliedMotif.Add(tone);
}
return(appliedMotif);
}
public static double FrequencyByTone(Tone tone)
{
var lookup = new Dictionary <string, double>
{
{
Note.C.ToString() + "2", 65.41
},
{
Note.CsharpDflat.ToString() + "2", 69.30
},
{
Note.D.ToString() + "2", 73.42
},
{
Note.DsharpEflat.ToString() + "2", 77.78
},
{
Note.E.ToString() + "2", 82.41
},
{
Note.F.ToString() + "2", 87.31
},
{
Note.FsharpGflat.ToString() + "2", 92.50
},
{
Note.G.ToString() + "2", 98.00
},
{
Note.GsharpAflat.ToString() + "2", 103.83
},
{
Note.A.ToString() + "2", 110.00
},
{
Note.AsharpBflat.ToString() + "2", 116.54
},
{
Note.B.ToString() + "2", 123.47
},
{
Note.C.ToString() + "3", 130.81
},
{
Note.CsharpDflat.ToString() + "3", 138.59
},
{
Note.D.ToString() + "3", 146.83
},
{
Note.DsharpEflat.ToString() + "3", 155.56
},
{
Note.E.ToString() + "3", 164.81
},
{
Note.F.ToString() + "3", 174.61
},
{
Note.FsharpGflat.ToString() + "3", 185.00
},
{
Note.G.ToString() + "3", 196.00
},
{
Note.GsharpAflat.ToString() + "3", 207.65
},
{
Note.A.ToString() + "3", 220.00
},
{
Note.AsharpBflat.ToString() + "3", 233.08
},
{
Note.B.ToString() + "3", 246.94
},
{
Note.C.ToString() + "4", 261.63
},
{
Note.CsharpDflat.ToString() + "4", 277.18
},
{
Note.D.ToString() + "4", 293.66
},
{
Note.DsharpEflat.ToString() + "4", 311.13
},
{
Note.E.ToString() + "4", 329.63
},
{
Note.F.ToString() + "4", 349.23
},
{
Note.FsharpGflat.ToString() + "4", 369.99
},
{
Note.G.ToString() + "4", 392.00
},
{
Note.GsharpAflat.ToString() + "4", 415.30
},
{
Note.A.ToString() + "4", 440.00
},
{
Note.AsharpBflat.ToString() + "4", 466.16
},
{
Note.B.ToString() + "4", 493.88
},
{
Note.C.ToString() + "5", 523.25
},
{
Note.CsharpDflat.ToString() + "5", 554.37
},
{
Note.D.ToString() + "5", 587.33
},
{
Note.DsharpEflat.ToString() + "5", 622.25
},
{
Note.E.ToString() + "5", 659.25
},
{
Note.F.ToString() + "5", 698.46
},
{
Note.FsharpGflat.ToString() + "5", 739.99
},
{
Note.G.ToString() + "5", 783.99
},
{
Note.GsharpAflat.ToString() + "5", 830.61
},
{
Note.A.ToString() + "5", 880.00
},
{
Note.AsharpBflat.ToString() + "5", 932.33
},
{
Note.B.ToString() + "5", 987.77
},
{
Note.C.ToString() + "6", 1046.50
},
{
Note.CsharpDflat.ToString() + "6", 1108.73
},
{
Note.D.ToString() + "6", 1174.66
},
{
Note.DsharpEflat.ToString() + "6", 1244.51
},
{
Note.E.ToString() + "6", 1318.51
},
{
Note.F.ToString() + "6", 1396.91
},
{
Note.FsharpGflat.ToString() + "6", 1479.98
},
{
Note.G.ToString() + "6", 1567.98
},
{
Note.GsharpAflat.ToString() + "6", 1661.22
},
{
Note.A.ToString() + "6", 1760.00
},
{
Note.AsharpBflat.ToString() + "6", 1864.66
},
{
Note.B.ToString() + "6", 1975.53
}
};
return(lookup[tone.Id]);
}
