// -----------------------------------------------------------------
// Simulates a pluck by replace all the values in the queue with
// a value from -0.5 to 0.5
// -----------------------------------------------------------------
public void pluck() {
Random rand = new Random();
for (int i = 0; i < frequency; i++) {
chord.dequeue();
double randomNum = -0.5 + rand.nextDouble();
chord.enqueue(randomNum);
}
}
// -----------------------------------------------------------------
// Dequeues, takes the average of it and the sample, then multiplies
// by .944 to create an energy decay factor
// -----------------------------------------------------------------
public void tic() {
try {
double note = chord.dequeue();
double newnote = ((note + chord.first()) * 0.994) / 2;
chord.enqueue(newnote);
} catch (NullPointerException exception) {
System.out.println("Empty array");
}
}
// -----------------------------------------------------------------
// Constructor takes a frequency to build around
// -----------------------------------------------------------------
public GuitarString(double frequency) {
this.frequency = frequency;
final int sampleRate = 44100;
int capacity = (int) Math.round(44100 / frequency);
chord = new BoundedQueue<Double>(capacity);
for (int i = 0; i < capacity; i++) {
chord.enqueue((double) 0);
}
}
// -----------------------------------------------------------------
// Returns the first value in the queue
// -----------------------------------------------------------------
public double sample() {
return chord.first();
}