var portName = 'COM6'; //port for Arduino

var sensorValue = 0; //for incoming serial

​

function preload() {

  wall = loadImage('images/brick_wall.jpg');

  splat = loadImage('images/target_splat.png');

}

​

function setup() {

  serial = new p5.SerialPort();                      //make a new instance of the serialport library

  serial.on('list', printList);                      //set a callback function for the serialport list event

  serial.on('connected', serverConnected); //callback for connecting to the server

  serial.on('open', portOpen);                       //callback for the port opening

  serial.on('data', serialEvent);                    //callback for when new data arrives

  serial.on('error', serialError);               //callback for errors

  serial.on('close', portClose);                     //callback for the port closing

  serial.list();                                                     //list the serial ports

  serial.open(portName);                     //open a serial port

  createCanvas(600, 600);

}

​

// function draw() {

//   background(wall);

//   stroke(0);

//   strokeWeight(2);

//   fill(255);

//   textSize(20);

//   text(sensorValue, 20, 20);

//   if (sensorValue <= 745 && sensorValue >= 350); {

//    image(splat, 175,110);

//   }

//   if (sensorValue >= 0 && sensorValue <= 350);{

//       fill(255,0);

//     ellipse(0,0,1,1);

//   }

// }

​

///////////////

​

function draw() {

  background(wall);

  stroke(0);

  strokeWeight(2);

  fill(255);

  textSize(20);

  text(sensorValue, 20, 20);

  if (sensorValue <= 745 || sensorValue >= 350); {

   image(splat, 175,110);

  }

  if (sensorValue >= 0 || sensorValue >= 350);{

      fill(255,0);

    ellipse(0,0,1,1);

}

}

​

​

​

​

​

// ellipse.X = map(sensorValue, 600, 900, 255, 0);

// ellipse.Y = map(sensorValue, 600, 900, 255, 0);

// noStroke();

// fill(0, 0, 255);

​

// get the list of ports:

function printList(portList) {

  //portList is an array of serial port names

  for (var i = 0; i < portList.length; i++) {

    //Display the list in the console: 

    println(i + " " + portList[i]);

  }

}

​

function serialEvent() {

  //read a string from the serial port:

  var inString = serial.readLine();

  //check to see that there's actually a string there:

  if (inString.length > 0) {

    //convert it to a number:

    sensorValue = Number(inString);

  }

}

​

function serverConnected() {

  println('connected to server.');

}

​

function portOpen() {

  println('the serial port opened.');

}

​

​

function serialError(err) {

  println('Something went wrong with the serial port. ' + err);

}

​

function portClose() {

  println('The serial port closed.');

}