public IEnumerable <Pitch> BuildScale(int startingMidiPitch, Pitch.MidiPitchTranslationMode translationMode, int startingStep, int numberOfSteps)
{
if (startingStep < 1)
{
throw new ArgumentException("Starting step must be greater than 0.", "startingStep");
}
if (numberOfSteps < 1)
{
throw new ArgumentException("Number of steps must be greater than 0.", "numberOfSteps");
}
var pitches = new List <Pitch>();
var midiPitch = startingMidiPitch;
for (int step = startingStep; step < startingStep + numberOfSteps; step++)
{
pitches.Add(Pitch.FromMidiPitch(midiPitch, translationMode));
midiPitch = midiPitch + GetIntervalAfterStep(step);
}
return(pitches);
}
/// <summary>
/// Initializes a new instance of BoundInterval which is generated by translation of specific pitch by specific interval.
/// </summary>
/// <param name="pitch">Pitch to translate</param>
/// <param name="interval">Interval</param>
/// <param name="translationMode">Translation mode</param>
public BoundInterval(Pitch pitch, Interval interval, Pitch.MidiPitchTranslationMode translationMode)
: base(interval.Steps, interval.Halftones)
{
StartingPitch = pitch;
EndingPitch = pitch.Translate(interval, translationMode);
}
/// <summary>
/// Initializes a new instance of BoundInterval that represents an interval between two pitches.
/// </summary>
/// <param name="pitch1"></param>
/// <param name="pitch2"></param>
public BoundInterval(Pitch pitch1, Pitch pitch2) : base(Pitch.StepDistance(pitch1, pitch2) + 1, pitch2.MidiPitch - pitch1.MidiPitch)
{
StartingPitch = pitch1;
EndingPitch = pitch2;
}
/// <summary>
/// Returns an interval between two pitches.
/// </summary>
/// <param name="p1">First pitch</param>
/// <param name="p2">Second pitch</param>
/// <returns>Interval between two pitches.</returns>
public static Interval Between(Pitch p1, Pitch p2)
{
return(new Interval(p2.ToStep().ToStepNumber() - p1.ToStep().ToStepNumber() + 1, (p2.MidiPitch - p1.MidiPitch) % 12));
}
public Pitch ToPitch(int octaveNumber = 4)
{
return(Pitch.FromStep(this, octaveNumber));
}
/// <summary>
/// Creates a new instance of step from specified pitch
/// </summary>
/// <param name="pitch"></param>
/// <returns></returns>
public static Step FromPitch(Pitch pitch)
{
return(new Step {
StepName = pitch.StepName, Alter = pitch.Alter
});
}
/// <summary>
/// Initializes a new instance of TunedPitch with specific pitch and frequency.
/// </summary>
/// <param name="pitch">Pitch</param>
/// <param name="freq">Frequency [Hz]</param>
public TunedPitch(Pitch pitch, double freq) : base(pitch.StepName, pitch.Alter, pitch.Octave)
{
Frequency = freq;
}
public Pitch TranslatePitch(Pitch pitch, Interval interval)
{
return(Pitch.FromMidiPitch(pitch.MidiPitch + interval.Halftones, MidiPitchTranslationMode));
}