Processing - Punctuation

Processing - Punctuation

import processing.serial.*;     // import the Processing serial library
Serial myPort;                  // The serial port

float bgcolor = #FAE312;               // Background color
float fgcolor;               // Fill color
float xpos, ypos;            // Starting position of the ball

int sensors[];

void setup() {
  size(800, 600);

  // List all the available serial ports
  println(Serial.list());

  // I know that the first port in the serial list on my mac
  // is always my  Arduino module, so I open Serial.list()[0].
  // Change the 0 to the appropriate number of the serial port
  // that your microcontroller is attached to.
  String portName = Serial.list()[0];
  myPort = new Serial(this, portName, 9600);

  // read bytes into a buffer until you get a linefeed (ASCII 10):
  myPort.bufferUntil('\n');
}

void draw() {
  background(bgcolor);
  fill(fgcolor);
  // Draw the shape
  ellipse(xpos, ypos, 20, 20);
  
  // make sure there are three values before you use them:
 if (sensors.length > 1) {
      xpos = sensors[0];
      ypos = sensors[1];
      // the switch values are 0 and 1.  This makes them 0 and 255:
      fgcolor = sensors[2] * 255;
    }
}

void serialEvent(Serial myPort) {
  // read the serial buffer:
  String myString = myPort.readStringUntil('\n');
  if (myString != null) {
    myString = trim(myString);

    // split the string at the commas
    // and convert the sections into integers:
     sensors = int(split(myString, ','));

    // print out the values you got:
    for (int sensorNum = 0; sensorNum < sensors.length; sensorNum++) {
      print("Sensor " + sensorNum + ": " + sensors[sensorNum] + "\t");
    }
    // add a linefeed after all the sensor values are printed:
    println();
  }
}