// Read data from the serial port and assign it to a variable. Set the fill a
// rectangle on the screen using the value read from a light sensor connected
// to the Wiring or Arduino board

import processing.serial.*;

Serial port;  // Create object from Serial class
int val;   // Data received from the serial port
PImage img;   // Background image

void setup() {
  size(1366,768);
  noStroke();
  frameRate(10);  // Run 10 frames per second
  String portName = Serial.list()[1]; //retrieving data from COM14
  port = new Serial(this, portName, 115200);   // Open the port that the board is connected to and use the same speed (9600 bps)
   
  img = loadImage("background.jpg");  //loading the background image
}

void draw() {
  if (port.available()>0) {          // If data is available to read
    val = port.read();         // read it and store it in val
  }
  if (val != 0) {
    background(img);
    fill(204, 102, 0);               // Set fill color with the value read 
    textSize(100);
    //val = val.replace('\n', ' ');
    circle(200, 400, val);
  }
  else{
      println("null");}  
}