private ToneRelationship GetBasicToneRelationship(Tone tone)
{
for (int i = 0; i < tone.Neighbors.Count; i++)
{
ToneRelationship toneRelationship = tone.Neighbors.ElementAt(i);
if (ToneGraph.IsBasicTone(toneRelationship.Tone2))
{
return(toneRelationship);
}
}
return(null);
}
private ToneRelationship GetDerivedToneRelationship(Tone tone, int halftoneDifference)
{
for (int i = 0; i < tone.Neighbors.Count; i++)
{
ToneRelationship toneRelationship = tone.Neighbors.ElementAt(i);
if (!ToneGraph.IsBasicTone(toneRelationship.Tone2) &&
Math.Abs(halftoneDifference - toneRelationship.NumberOfHalftones) < Math.Abs(halftoneDifference))
{
return(toneRelationship);
}
}
return(null);
}
