public int[] Play(Note note)
{
var wave = instrument.Play(note);
for (int i = 0; i < duration; i++)
{
wave[i] *= (int)(i / (double)duration);
}
return(wave);
}
static void Main(string[] args)
{
InstrumentFactory factory = new ConcreteInstrumentFactory();
IInstrument guitar = factory.GetInstrument("Guitar");
guitar.Play(96);
guitar.Sell(120);
IInstrument piano = factory.GetInstrument("Piano");
piano.Play(80);
piano.Sell(1000);
IInstrument bass = factory.GetInstrument("Bass");
bass.Play(75);
bass.Sell(150);
}
private int[] PlaySineWave(Note[] notes, IInstrument instrument)
{
var length = notes.Sum(GetNoteDuration);
var wave = new int[length];
var i = 0;
foreach (var note in notes)
{
var result = instrument.Play(note);
for (int j = 0; j < result.Length; j++)
{
if (i + j >= wave.Length)
{
return(wave);
}
wave[i + j] += Convert.ToInt32(result[j]);
}
i += GetNoteDuration(note);;
}
return(wave);
}
