/// <summary>
/// Generate a random note.
/// Same probability of being left or right (50% left 50% right)
/// 60% of probability of being a standard note, 30% of being a pause
/// 10% of being special.
/// </summary>
/// <returns>The note instance</returns>
public override INote NextNote()
{
Random rnd = new Random();
INote.notePosition pos;
INote outNote;
// right or left position is determined with a random boolean
if (rnd.Next(0, 2) == 0)
{
pos = INote.notePosition.Left;
}
else
{
pos = INote.notePosition.Right;
}
// note type is determined with a random number from 1 to 10
int noteType = rnd.Next(1, 11);
// if the random number is in the range [1, 6] a standard note is generated
// if in the range [7, 9] a pause note is generated
// if in the range (9, 10] a special note is generated
if (noteType <= 6)
{
outNote = new StandardNote(pos);
}
else if (noteType <= 9)
{
outNote = new PauseNote(pos);
}
else
{
outNote = new SpecialNote(pos);
}
return(outNote);
}
/// <summary>
/// Generate the next note. The probability of it being special is 20%.
/// </summary>
/// <returns>The note instance</returns>
public override INote NextNote()
{
Random rnd = new Random();
INote outNote;
this._lastHand = (this._lastHand == INote.notePosition.Right) ?
INote.notePosition.Left :
INote.notePosition.Right;
// if note is special is determined with a random number from 1 to 5
int noteType = rnd.Next(1, 5);
// if the random number is in the range [1, 4] a standard note is generated
if (noteType <= 4)
{
outNote = new StandardNote(this._lastHand);
}
else
{
outNote = new SpecialNote(this._lastHand);
}
return(outNote);
}