/// <summary>
/// Generates the "<paramref name="tone"/>"th note of a 3-octave C Scale
/// </summary>
public FeedbackChords(
bool major,
int tone,
NoteProgression progression = NoteProgression.Scale,
int octaveOffset = 0,
int octaveSpan = 3)
{
this.major = major;
IReadOnlyList <FrequencySet> scale = GetSequence(progression);
//Note spans 3 octaves of CMajor scale.
int notes = scale.Count * octaveSpan + 1;
int note = GeneralMath.Clamp(tone, 0, notes - 1);
int octaves = octaveOffset + note / scale.Count;
int noteIndex = note % scale.Count;
fundamentalFreq = BaseFreqLB * Math.Pow(2, octaves) * scale[noteIndex].freqRatio;
Duration = major ? 0.2 : 0.4;
//Place sound Forward
angle = 0.0;
BuildStream();
}
/// <summary>
/// Collapses the tone to the nearest chromatic note
/// </summary>
public FeedbackChords(
bool major,
double lateralization,
double tone,
NoteProgression progression = NoteProgression.Scale,
int octaveOffset = 0,
int octaveSpan = 3)
{
this.major = major;
IReadOnlyList <FrequencySet> scale = GetSequence(progression);
int notes = scale.Count * octaveSpan + 1;
int note = (int)Math.Floor(notes * tone);
note = GeneralMath.Clamp(note, 0, notes - 1);
int octaves = octaveOffset + note / scale.Count;
int noteIndex = note % scale.Count;
fundamentalFreq = BaseFreqLB * Math.Pow(2, octaves) * scale[noteIndex].freqRatio;
Duration = major ? 0.2 : 0.4;
//Angle is between -Range/2 and +Range/2
angle = Range * (lateralization - 0.5);
BuildStream();
}
protected static IReadOnlyList <FrequencySet> GetSequence(NoteProgression progression)
{
switch (progression)
{
case NoteProgression.Chromatic: return(Chromatic);
case NoteProgression.Scale: return(Scale);
case NoteProgression.Arpeggio: return(Arpeggio);
default:
UnityEngine.Debug.LogError($"Unexpected NoteProgression: {progression}");
return(Scale);
}
}
public HarmonicComplex(
int toneNum,
NoteProgression progression = NoteProgression.Scale,
int octaveOffset = 0,
int octaveSpan = 3,
double duration = 0.2)
{
IReadOnlyList <FrequencySet> scale = GetSequence(progression);
int notes = scale.Count * octaveSpan + 1;
int note = GeneralMath.Clamp(toneNum, 0, notes - 1);
int octaves = octaveOffset + note / scale.Count;
int noteIndex = note % scale.Count;
fundamentalFreq = BaseFreqLB * Math.Pow(2, octaves) * scale[noteIndex].freqRatio;
Duration = duration;
angle = 0.0;
BuildStream();
}
