public bool SetNote(MeasureElementInfo mei)
{
try
{
switch (mei.Type)
{
case MeasureElementInfoType.Time:
timeInfo = (TimeInfo)mei.Element;
return(false);
case MeasureElementInfoType.Note:
var noteInfo = (NoteInfo)mei.Element;
motor.Speed = Pitch.GetFrequency(noteInfo.Name);
if (OctaveOffset < 0)
{
motor.Speed /= 2 * Math.Abs(OctaveOffset);
}
else if (OctaveOffset > 0)
{
motor.Speed *= 2 * Math.Abs(OctaveOffset);
}
BeatsRemaining = noteInfo.Duration / timeInfo.Divisions;
return(true);
}
}catch (Exception)
{
}
return(false);
}
//int currTrack = 0;
//public void MultiPlay(long tick)
//{
// for (int i = 0; i < Tracks.Count; i++)
// {
// var data = Tracks[i];
// if (data.Count > 0)
// {
// SeqData curr = data.Peek();
// if (tick > curr.TickTime)
// {
// data.Dequeue();
// if (curr.Play)
// {
// if ((i == 0 || i < currTrack || currTrack == -1) && motor.Speed == 0)
// {
// motor.Speed = Pitch.GetFrequency(curr.NoteId);
// if (OctaveOffset < 0)
// {
// motor.Speed /= 2 * Math.Abs(OctaveOffset);
// }
// else if (OctaveOffset > 0)
// {
// motor.Speed *= 2 * Math.Abs(OctaveOffset);
// }
// currTrack = i;
// }
// }
// else
// {
// if (i == 0 || i == currTrack)
// {
// motor.Speed = 0;
// currTrack = -1;
// }
// }
// }
// //else if (curr.TickTime - tick < 10)
// //{
// // motor.Speed = 0;
// //}
// }
// }
// motor.Run();
//}
public void PlayScale()
{
int[] scaleNotes =
{
40, 42, 44, 45, 47, 49, 51, 52
};
Stopwatch time = new Stopwatch();
time.Start();
for (int i = 0; i < scaleNotes.Length; i++)
{
motor.Speed = Pitch.GetFrequency(40 + i - 12);
long start = time.ElapsedMilliseconds;
while (time.ElapsedMilliseconds - start < 100)
{
motor.Run();
}
}
for (int i = scaleNotes.Length - 1; i >= 0; i--)
{
motor.Speed = Pitch.GetFrequency(40 + i - 12);
long start = time.ElapsedMilliseconds;
while (time.ElapsedMilliseconds - start < 100)
{
motor.Run();
}
}
}
public static async Task <Note[]> ReadNotesFromFile(string filePath)
{
//string musicFile = @"Assets\Do_You_Wanna_Build_A_Snowman_piano_Part1_1.txt";
try
{
StorageFolder InstallationFolder = Windows.ApplicationModel.Package.Current.InstalledLocation;
var file = await InstallationFolder.GetFileAsync(filePath);
var read = await FileIO.ReadLinesAsync(file);
List <Note> notes = new List <Note>();
foreach (string str in read)
{
var temp = str.Split(',');
if (temp.Length == 2)
{
double pitch = Pitch.GetFrequency(temp[0]);
double duration = Convert.ToDouble(temp[1]);
notes.Add(new Note {
Name = temp[0], Pitch = pitch, Length = duration
});
}
}
return(notes.ToArray());
}
catch (Exception)
{
return(null);
}
}
public void SinglePlay(long tick)
{
if (Track.Count > 0)
{
SeqData curr = Track.Peek();
if (tick > curr.TickTime)
{
Track.Dequeue();
if (curr.Play && (prev == null || !prev.Play))
{
motor.Speed = Pitch.GetFrequency(curr.NoteId) / 2;
//if (OctaveOffset < 0)
//{
// motor.Speed /= 2 * Math.Abs(OctaveOffset);
//}
//else if (OctaveOffset > 0)
//{
// motor.Speed *= 2 * Math.Abs(OctaveOffset);
//}
prev = curr;
}
else if (!curr.Play && prev.NoteId == curr.NoteId)
{
motor.Speed = 0;
prev = curr;
}
}
else if (curr.TickTime - tick < 10)
{
motor.Speed = 0;
}
}
else
{
motor.Speed = 0;
Done = true;
return;
}
motor.Run();
}
public void MultiPlay(long tick)
{
if (Track.Count > 0)
{
SeqData curr = Track.Peek();
if (tick > curr.TickTime)
{
// Stop playing note
if (!curr.Play)
{
for (int i = 0; i < instruments.Length; i++)
{
// Find motor that was playing this note and stop it
if (instruments[i].Note.NoteId == curr.NoteId)
{
instruments[i].Motor.Speed = 0;
instruments[i].Note = curr;
break;
}
}
Track.Dequeue();
}
// Play note
else
{
// Figure out if this is a chord
List <SeqData> chordNotes = new List <SeqData>();
while (Track.Peek().TickTime == curr.TickTime && Track.Peek().Play)
{
chordNotes.Add(Track.Dequeue());
}
chordNotes = chordNotes.OrderByDescending(n => n.NoteId).ToList();
foreach (SeqData chordNote in chordNotes)
{
for (int i = 0; i < instruments.Length; i++)
{
// Find a motor that is free and play the note
if (instruments[i].Note == null || !instruments[i].Note.Play)
//|| (instruments[i].Note.NoteId < curr.NoteId)) // if the new note is a higher pitch, play the new note(I'm assuming it's the melody)
{
double freq = Pitch.GetFrequency(chordNote.NoteId);
while (freq < Pitch.GetFrequency(39) / 2)
{
freq *= 2;
}
while (freq > Pitch.GetFrequency(51) * 2)
{
freq /= 2;
}
instruments[i].Motor.Speed = freq / 2;
if (OctaveOffset < 0)
{
instruments[i].Motor.Speed /= 2 * Math.Abs(OctaveOffset);
}
else if (OctaveOffset > 0)
{
instruments[i].Motor.Speed *= 2 * Math.Abs(OctaveOffset);
}
instruments[i].Note = chordNote;
break;
}
}
}
}
}
}
else
{
foreach (Instrument inst in instruments)
{
inst.Motor.Speed = 0;
}
Done = true;
return;
}
foreach (Instrument inst in instruments)
{
inst.Motor.Run();
}
}
