let pulse = 255;

let left = 0;

let right = 0;

let r = 200;

let customFont;

​

function preload() {

  // Load a font file

  customFont = loadFont('Arial.ttf');

}

​

function setup() {

  createCanvas(600,600,WEBGL);

  angleMode(DEGREES) // degrees for easier calculations

  colorMode(HSB);

  frameRate(30)

  stroke(199, 190, 88)

  strokeWeight(3)

  noFill();

  textFont(customFont);

  textSize(18);

}

​

function draw() {

//   one value from Arduino controls the background's red color

//   background(0);

​

//   the other value controls the text's transparency value

// fill(255, 255, 255);

//   strokeWeight(0);

​

  if (!serialActive) {

    text("Press Space Bar to select Serial Port", 20, 30);

  } else {

    text("Connected", 20, 30);

  }

​

  // drawingContext.shadowBlur = 80;

  // drawingContext.shadowColor = color(255);

  // ellipse(width/2, height/2, map(pulse, 0, 255, 10, 100))

  rotateX(frameCount%360)

  rotateY(frameCount%360)

  background(230,50,15);

  orbitControl(4,4) // allows rotation + value 4 is for the speed of the rotation or perhaps how much the camera rotates per "mouse swipe"

  for(let a1 = 0; a1 < 180; a1 += 5 ){ //a1 = phi

    beginShape(POINTS);

    for(let a2 = 0; a2<360; a2 += 5){ //a2 = theta

      let rtx = 25000

      let x = r * (3+1*sin(a2*6)*cos(a1*9))*cos(a1)

      let y = r * (3+1*sin(a2*6)*cos(a1*9))*sin(a1) * sin(a2);

      let z = r * (3+1*sin(a2*6)*cos(a1*9))*sin(a1) * cos(a2);

      fill(255);

      vertex(x,y,z)

    } 

    endShape(CLOSE)

  }

​

}

​

  translate(0, 0, 0); // Translate to the center of the canvas

  noStroke();

  fill(255); 

  background(10);

  sphere(100);

​

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function keyPressed() {

  if (key == " ") {

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

    setUpSerial();

  }

}

​

// This function will be called by the web-serial library

// with each new *line* of data. The serial library reads

// the data until the newline and then gives it to us through

// this callback function

function readSerial(data) {

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

  //READ FROM ARDUINO HERE

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

​

  if (data != null) {

    // make sure there is actually a message

    // split the message

    let fromArduino = split(trim(data), ",");

    // if the right length, then proceed

    if (fromArduino.length == 2) {

      // only store values here

      // do everything with those values in the main draw loop

      rVal = fromArduino[0];

      pulse = fromArduino[1];

      print(pulse);

    }

​

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

    //SEND TO ARDUINO HERE (handshake)

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

    let sendToArduino = left + "," + right + "\n";

    writeSerial(sendToArduino);

  }

}