// Considering that the base chord is a coordinates (0,0), this method adds to the base note one fifth per +1 along X,
// and flips the chord color for each value along Y, like so:
// -1,1 0,1 1,1 Cm Gm Dm
// -1,0 0,0 1,0 FM CM GM
// -1,-1 0,-1 1,-1 Dm Am Em
public Chord GetChordAtXY(int x, int y)
{
Note n = baseNote;
ChordColor c = color;
byte tmp = baseNote.Octave;
//Moving along the X axis: one fifth per column (one fifth = 7 semitones).
n = n.Pitch(7 * x);
//Moving along the Y axis: switch for the opposite color every row.
//Considering any given row: the tone two rows above should be one second (2 semitones) below.
//Considering any row of the original color: the tone one row below should be one minor third (3 semitones) below.
if (y > 0)
{
int rowPairs = y / 2;
n = n.PitchDown(rowPairs * 2);
if (y % 2 == 1)
{
n = n.PitchUp(7);
c = c.Opposite();
}
}
else if (y < 0)
{
int rowPairs = (-y) / 2;
n = n.PitchUp(rowPairs * 2);
if (-y % 2 == 1)
{
n = n.PitchDown(3);
c = c.Opposite();
}
}
n.Octave = tmp;
return(new Chord(n, c));
}
public ChordScheme(Chord c)
{
baseNote = c.baseNote;
color = c.color;
}
public ChordScheme()
{
baseNote = Note.DefaultNote;
color = ChordColor.Major;
}
public ChordScheme(Note n, ChordColor c = ChordColor.Major)
{
baseNote = n;
color = c;
}
public Chord(Note n, ChordColor c = ChordColor.Major)
{
baseNote = n;
color = c;
init();
}
public Chord(Chord c)
{
baseNote = c.baseNote;
color = c.color;
_collection = c._collection;
}
public Chord()
{
baseNote = Note.DefaultNote;
color = ChordColor.Major;
init();
}
public MIDIChordSender(Note n, ChordColor c = ChordColor.Major)
{
baseChord = new Chord(n, c);
init();
}
public static ChordColor Opposite(this ChordColor c)
{
switch (c)
{
case ChordColor.Major:
return(ChordColor.Minor);
case ChordColor.Minor:
return(ChordColor.Major);
case ChordColor.Augmented:
return(ChordColor.Diminished);
case ChordColor.Diminished:
return(ChordColor.Augmented);
case ChordColor.FullAugmented:
return(ChordColor.DiminishedSeventh);
case ChordColor.MinorSeventhFlatFive:
return(ChordColor.MajorSeventhFlatFive);
case ChordColor.AugmentedNinth:
return(ChordColor.MinorSeventhNinth);
case ChordColor.MinorSeventhNinth:
return(ChordColor.AugmentedNinth);
case ChordColor.MajorSeventh:
return(ChordColor.MinorSeventh);
case ChordColor.MinorSeventh:
return(ChordColor.MajorSeventh);
case ChordColor.MajorSixth:
return(ChordColor.MinorSixth);
case ChordColor.MinorSixth:
return(ChordColor.MajorSixth);
case ChordColor.MajorSixthNinth:
return(ChordColor.MinorSixthNinth);
case ChordColor.MinorSixthNinth:
return(ChordColor.MajorSixthNinth);
case ChordColor.MajorNinth:
return(ChordColor.MinorNinth);
case ChordColor.MinorNinth:
return(ChordColor.MajorNinth);
case ChordColor.MajorEleventh:
return(ChordColor.MinorEleventh);
case ChordColor.MinorEleventh:
return(ChordColor.MajorEleventh);
case ChordColor.DominantSeventh:
return(ChordColor.MinorMajorSeventh);
case ChordColor.MinorMajorSeventh:
return(ChordColor.DominantSeventh);
default:
return(c);
}
}
public static int GetResolution(this ChordColor c)
{
// The resolution is the number of bits in the literals of the enum.
// They are stored on 32-bit integers, so 32 is returned.
return(32);
}
public static string ToString(this ChordColor c)
{
switch (c)
{
case ChordColor.Major:
return("");
case ChordColor.Minor:
return("-");
case ChordColor.Augmented:
return("aug");
case ChordColor.Diminished:
return("dim");
case ChordColor.FullAugmented:
return("aug");
case ChordColor.MinorSeventhFlatFive:
return("-7b5");
case ChordColor.AugmentedNinth:
return("add9");
case ChordColor.MinorSeventhNinth:
return("-7,9");
case ChordColor.MajorSeventh:
return("7");
case ChordColor.MinorSeventh:
return("-7");
case ChordColor.MajorSixth:
return("6");
case ChordColor.MinorSixth:
return("-6");
case ChordColor.MajorSixthNinth:
return("6,9");
case ChordColor.MinorSixthNinth:
return("-6,9");
case ChordColor.MajorNinth:
return("9");
case ChordColor.MinorNinth:
return("-9");
case ChordColor.MajorEleventh:
return("11");
case ChordColor.MinorEleventh:
return("-11");
case ChordColor.DominantSeventh:
return("Maj7");
case ChordColor.MinorMajorSeventh:
return("-7Maj");
case ChordColor.Mu1:
return("Mu1");
case ChordColor.Mu2:
return("Mu2");
case ChordColor.Mu3:
return("Mu3");
case ChordColor.Powerchord:
return("P");
case ChordColor.SeventhSuspensionFour:
return("7add4");
case ChordColor.Suspended:
return("sus4");
default:
return("");
}
}