Ejemplo n.º 1
0
        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));
        }
Ejemplo n.º 2
0
        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);
        }
Ejemplo n.º 3
0
 public Pitch TranslatePitch(Pitch pitch, Interval interval)
 {
     return(Pitch.FromMidiPitch(pitch.MidiPitch + interval.Halftones, MidiPitchTranslationMode));
 }