let connect = true;

​

function preload(){

  title = loadImage("title.png"); 

  mov = loadImage("movement.png");

  brk = loadImage("break.png");

  play = loadImage("play.png");

  arrow = loadImage("arroww.png");

  choose = loadImage("choose.png");

}

​

function setup() { 

  createCanvas(640, 480);

  textSize(18);

}

​

function draw() {

  background(0);

  fill(255);

  textStyle(BOLD);

  imageMode(CENTER);

  image(title, width/2, height/8, 300, 50);

  image(mov, width/4, height* 3/8, 160, 25);

  image(arrow, width* 3/4, height * 3/8, 100, 65);

  image(brk, width/5, height * 4.5/8, 90, 24);

  fill(0);

  stroke(255);

  strokeWeight(4);

  rectMode(CENTER);

  rect(width* 3/4, height * 4.5/8, 140, 30, 5);  

  if (connect) {

    if (!serialActive) {

      image(choose, width/2, height * 6.5/8, 400, 20);

      fill(0);

      rect(width/3 + 10, height*6.5/8, 35, 35, 9);

      fill(255);

      strokeWeight(0);

      textSize(28);

      text("A", width/3 +0.5, height*6.5/8 + 9);

    }

    else {

      text("Connected", 20, 50);

    }

  }

  else {

    rect(width/2, height * 6.5/8, 100, 40, 5);  

    image(play, width/2, height * 6.5/8, 80, 23);

  }

​

}

​

function keyPressed() {

  if (key == "a") {

    // important to have in order to start the serial connection!!

    setUpSerial();

  }

  else if (keyCode == UP_ARROW) {

    dir = 0;

  }

  else if (keyCode == LEFT_ARROW) {

    dir = 1;

  }  

  else if (keyCode == RIGHT_ARROW) {  

    dir = 2;

  }  

  else if (keyCode == DOWN_ARROW) {

    dir = 3;

  }

  else if (key == " ") {

    dir = 4;

  }

}

​

function readSerial(data) {

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

  //READ FROM ARDUINO HERE

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

  if (data != null) {

    if (data != "0") {

      let sendToArduino = dir + "\n";

      console.log(sendToArduino)

      writeSerial(sendToArduino);

    } 

    else {

      dir = 4

      let sendToArduino = dir + "\n";

      console.log(sendToArduino)

      writeSerial(sendToArduino);

    }

  }

  //console.log(data);

}

​

​