genart.lol

let cols, rows;
let scales = [];
let offsetIncrement;
let time = 0;
function setup() {
  createCanvas(windowWidth, windowHeight);
  cols = width / 10;
  rows = height / 10;
  offsetIncrement = 0.05;
  
  for (let i = 0; i < cols * rows; i++) {
    scales[i] = random(TWO_PI);
  }
  
  colorMode(HSB, 360, 100, 100, 100);
  noStroke();
}
function draw() {
  background(0, 0, 0);
  let xoff = 0;
  
  for (let i = 0; i < cols; i++) {
    let yoff = 0;
    for (let j = 0; j < rows; j++) {
      let index = i + j * cols;
      let scale = map(sin(scales[index] + time), -1, 1, 0, 1);
      let angle = noise(xoff, yoff, time) * TWO_PI * 2;
      let myColor = map(sin(angle), -1, 1, 180, 360);
      let brightness = map(cos(angle), -1, 1, 50, 100);
      let radius = map(sin(scales[index] + time), -1, 1, 0, 20);
      fill(myColor, 100, brightness, 50);
      ellipse(
        i * 10 + 5,
        j * 10 + 5,
        radius + scale * 15,
        radius + scale * 15
      );
      scales[index] += offsetIncrement;
      yoff += offsetIncrement;
    }
    xoff += offsetIncrement;
  }
  time += 0.01;
}
function windowResized() {
  resizeCanvas(windowWidth, windowHeight);
  cols = width / 10;
  rows = height / 10;
  scales = [];
  for (let i = 0; i < cols * rows; i++) {
    scales[i] = random(TWO_PI);
  }
}

let angle = 0;
let scaleFactor = 1;
function setup() {
    createCanvas(windowWidth, windowHeight);
    frameRate(30);
}
function draw() {
    background(0, 10);
    translate(width / 2, height / 2);
    strokeWeight(2);
    noFill();
    
    for (let i = 0; i < 200; i++) {
        let x = (cos(angle + i * 0.1) * (i * scaleFactor)) % width;
        let y = (sin(angle + i * 0.1) * (i * scaleFactor)) % height;
        stroke(255, random(100, 255), random(100, 255), 150);
        ellipse(x, y, i * 0.5, i * 0.5);
    }
    angle += 0.02;
    scaleFactor += 0.01 * sin(angle);
    if (scaleFactor > 1.5) {
        scaleFactor = 1;
    }
}
function windowResized() { 
    resizeCanvas(windowWidth, windowHeight); 
}