public Pitch TranslatePitch(Pitch pitch, DiatonicInterval interval)
{
var stepNumber = StepToStepNumber(pitch.ToStep());
var halfTones = 0;
if (interval.Steps == 0)
{
throw new ArithmeticException("There is no interval with 0 steps.");
}
if (interval.Steps > 0)
{
for (var i = 0; i < interval.Steps - 1; i++)
{
halfTones += Mode.GetIntervalAfterStep(stepNumber + i);
}
}
else if (interval.Steps < 0)
{
for (var i = 0; i > interval.Steps + 1; i--)
{
halfTones -= Mode.GetIntervalBeforeStep(stepNumber + i);
}
}
return(Pitch.FromMidiPitch(pitch.MidiPitch + halfTones, MidiPitchTranslationMode));
}
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);
}
public Pitch TranslatePitch(Pitch pitch, Interval interval)
{
return(Pitch.FromMidiPitch(pitch.MidiPitch + interval.Halftones, MidiPitchTranslationMode));
}