let bloomSize = 0;

let maxBloomSize = 100; // Maximum size of bloom

let serial;

let butterflyX, butterflyY; // Butterfly position

let butterflySpeedX, butterflySpeedY; // Butterfly speed

​

function setup() {

  createCanvas(400, 400);

  background(20);

  // Initialize butterfly position and speed

  butterflyX = random(width);

  butterflyY = random(height);

  butterflySpeedX = random(1, 3);

  butterflySpeedY = random(1, 3);

​

  // Serial communication setup

  serial = new p5.SerialPort();

  serial.open("/dev/tty.usbmodem14101"); // Replace with your Arduino port

  serial.on("data", serialEvent);

}

​

function draw() {

  background(20, 30, 50, 20); // Dark blue background with a slight fade effect

​

  // Blooming effect when heartbeat is detected

  if (isBlooming) {

    bloomSize += 5; // Increase bloom size on heartbeat

    drawFlower(width / 2, height / 2, bloomSize);

  } else {

    bloomSize = max(bloomSize - 2, 0); // Gradually reduce bloom size

    drawFlower(width / 2, height / 2, bloomSize);

    drawButterfly(); // Draw butterfly when no heartbeat is detected

  }

}

​

// Function to draw a flower with pink petals

function drawFlower(x, y, size) {

  push();

  translate(x, y);

​

  // Draw multiple petals

  for (let angle = 0; angle < 360; angle += 45) {

    push();

    rotate(radians(angle));

    fill(255, 102, 178, 150); // Soft pink color with some transparency

    noStroke();

    ellipse(0, size / 4, size, size * 0.6); // Petal shape

    pop();

  }

​

  // Draw center of flower

  fill(255, 182, 193); // Light pink color for center

  ellipse(0, 0, size / 4, size / 4);

  pop();

}

​

// Function to draw a butterfly

function drawButterfly() {

  // Update butterfly position

  butterflyX += butterflySpeedX;

  butterflyY += butterflySpeedY;

  // Bounce off the edges of the canvas

  if (butterflyX > width || butterflyX < 0) butterflySpeedX *= -1;

  if (butterflyY > height || butterflyY < 0) butterflySpeedY *= -1;

  // Draw butterfly wings

  push();

  translate(butterflyX, butterflyY);

  fill(255, 153, 204, 200); // Light pink color for butterfly wings

  noStroke();

  // Left wing

  ellipse(-10, 0, 20, 30);

  // Right wing

  ellipse(10, 0, 20, 30);

  // Butterfly body

  fill(100);

  ellipse(0, 0, 5, 15);

  pop();

}

​

// Event function that triggers when heartbeat data is received

function serialEvent() {

  let data = serial.readStringUntil("\n");

  if (data.trim() === "1") { // "1" signifies a heartbeat

    isBlooming = true;

  } else {

    isBlooming = false;

  }

}

​