let portName = "COM7"; // fill in your serial port name here

​

let wind = 0;

​

let ballobj;

​

function setup() {

  createCanvas(640, 480);

  frameRate(60); 

  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

  // construct a ball object

  ballobj = new ball();

}

​

function draw() {

  background(255);

  wind = map(inputVal, 0, 1023, 0, 6);

}

​

// get the list of ports:

function printList(portList) {

  // portList is an array of serial port names

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

    // Display the list the console:

    print(i + " " + portList[i]);

  }

}

​

function serverConnected() {

  print("connected to server.");

}

​

function portOpen() {

  print("the serial port opened.");

}

​

function serialEvent() {

  // read a string from the serial port

  // until you get carriage return and newline:

  let inString = serial.readLine();

  print(inString);

}

​

function serialError(err) {

  print("Something went wrong with the serial port. " + err);

}

​

function portClose() {

  print("The serial port closed.");

}

​

class ball {

  constructor() {

    this.wind = 0;

    this.gravity = -5;

    this.speed = 0;

    this.yPos = height/2;

  }

  display() {

    noFill();

    circle(width/2, this.yPos, 50);

  }

  move() {

    if (this.yPos < 430){

      this.yPos += this.speed;

      this.speed += this.gravity - windPower;

    }

  }

}

​

/*

Arduino code

void setup() {

  Serial.begin(9600);

  while (Serial.available() <= 0) {

    Serial.println("0"); // send a starting message

    delay(300);              // wait 1/3 second

  }

}

void loop() {

  while (Serial.available() > 0) {

    // read the incoming byte:

    int inByte = Serial.read();

    int WindPower = analogRead(A0);

    Serial.println(WindPower);

  }

}

*/