​

function setup() {

  createCanvas(600, 600); // Adjusted width for better visibility

  // Generate the Padovan sequence up to P(12) to match the 12 rows

  for (let i = 0; i < 12; i++) {

    padovan[i] = padovanNumber(i);

  }

  noLoop(); // Draw only once

}

​

function draw() {

  background(255);

  let rectWidth = 2; // Width of each rectangle

  let rectHeight =   20

  let spacing = 2; // Space between rectangles in the same row

  let rowSpacing = 22; // Fixed space between rows

​

  for (let i = 0; i < 12; i++) { // 12 rows

    let yPosition = i * rowSpacing + 100; // Calculate Y position for each row

​

    for (let j = 0; j < 50; j++) { // 50 rectangles in each row

      // Randomize the height for a barcode effect

       // Height between 10 and scaled Padovan number

      //let rowSpacing = padovan[i] * 20;

      let rectWidth = padovan[i] + 2;

      fill(0),

      // Draw rectangle

      rect(j * (rectWidth + spacing), yPosition - rectHeight, rectWidth, rectHeight); 

    }

  }

}

​

// Function to calculate Padovan number

function padovanNumber(n) {

  if (n === 0 || n === 1 || n === 2) {

    return 1;

  } else {

    return padovanNumber(n - 2) + padovanNumber(n - 3);

  }

}

​