November Rain

function setup() {

  createCanvas(800, 800);

  noLoop(); // Draw only one time

  strokeWeight(2); // Set line thickness

}

​

function draw() {

  background(25);

  let tileSize = 100;

  for (let x = 0; x < width; x += tileSize) {

    for (let y = 0; y < height; y += tileSize) {

      drawLinePattern(x, y, tileSize);

    }

  }

}

​

function drawLinePattern(x, y, size) {

  let centerX = x + size / 2;

  let centerY = y + size / 2;

​

  // Number of lines per tile

  let lineCount = random(2, 15);

​

  for (let i = 0; i < lineCount; i++) {

    // Random angle for each line

    let angle = random(TWO_PI);

    // Starting point for the line (in the center of the tile)

    let startX = centerX + cos(angle) * size * 0.1;

    let startY = centerY + sin(angle) * size * 0.1;

    // Ending point for the line (at the edge of the tile)

    let endX = centerX + cos(angle) * size * 0.5;

    let endY = centerY + sin(angle) * size * 0.5;

    // Set a random color for each line

    stroke(random(255), random(255), random(255));

    // Draw the line

    line(startX, startY, endX, endY);

  }

}

​