import processing.serial.*; //import processing library

int linefeed = 10;
Serial myPort; //the serial port

float pot1; //variable for potentiometer position
float pot2; //variable for potentiometer position

Firefly[] fireflies = new Firefly[2]; //call Firefly class

void setup() {
  size(800,600);
  smooth();
  frameRate(30);
  fireflies[0] = new Firefly(20,20,30);
  fireflies[1] = new Firefly(200,400,40);
  
  //plug in the serial port number that is attached to Arduino, should be 0 on Mac
  myPort = new Serial(this, Serial.list()[0], 9600);
  //read bytes into a buffer until linefeed (ASCII 10)
  myPort.bufferUntil(linefeed);
  //initialize sensor value
  pot1 = 0;
  pot2=0;
}

void draw() {
  background(0);
  for (int i = 0; i < fireflies.length; i++) {
    fireflies[i].move();
    fireflies[i].display();
  }
}

void serialEvent(Serial myPort) {
  //read serial buffer
  String myString = myPort.readStringUntil(linefeed);

  //if you have any bytes other than linefeed
  if (myString != null) {
    myString = trim(myString);

    //convert sensor values into integers
    int sensors[] = int(split(myString, ','));
    //print out the values from the variable sensor
    for (int sensorNum = 0; sensorNum < sensors.length; sensorNum++) {
      print("Sensor " + sensorNum + ": " + sensors[sensorNum] + "\t");
      pot1 = sensors[0];
      pot2 = sensors[1];
    }
    //add a linefeed after all the sensor values are printed
    println();
  }
}