paintingMoods

let a, b, c, s, n, w, h, k, p;
function setup() {
  c = min(windowWidth, windowHeight);
  cnv = createCanvas(c, c);
  angleMode(DEGREES);
  background(255);
  noLoop();
  a = random(1, 9);
  b = random(2, 9);
  c = random(0, 20);
  s = random(10, 55);
  n = int(random(1, 13));
  k = random(50, 120);
  p = (-180, 180);
}
function draw() {
  for (let i = 0; i < 7000; i++) {
    x = random(width * 0.25, width * 0.95);
    y = random(height * 0.25, height * 0.95);
    r = random(10 + (10 * a) / 4, 150 * abs(cos(y + x * a) * sin(x * b + x)));
    g = random((60 * a) / 4, 100 + 150 * abs(sin(x * b + y / a)));
    b = random(200, 200 + 150 * abs(sin(x * a + y * b)));
    randomStroke(x, y, r, g, b);
  }
  for (let i = 0; i < n; i++) {
    randomBox();
  }
}

function randomStroke(x, y, r, g, b) {
  noFill();
  for (let i = 0; i < 25; i++) {
    strokeWeight(random(0.1, 3));
    stroke(r + random(-10, 10), g + random(-10, 10), b + random(-10, 10), 50);
    arc(x - k, y - k + i * random(0, 1), k, k, p, p + s);
  }
}
function randomBox() {
  a = random(0, 2);
  b = random(0, 9);
  w = random(5, width / 4);
  h = random(5, height / 4);
  x1 = random(width * 0.3, width * 0.9 - w);
  y1 = random(height * 0.3, height * 0.9 - h);
  for (let i = 0; i < 1000; i++) {
    x = random(x1, x1 + w);
    y = random(y1, y1 + h);
    r = random(h + 50, 150 * abs(cos(10 * a) * cos(y1 / w - x1 / a)));
    g = random(w + 50, 100 + 150 * abs(cos((y * x) / a + y / y1)));
    b = random(w + 50, 200 + 150 * abs(cos(a * b + x1 * b)));
    randomStroke(x, y, r, g, b);
  }
}

function keyPressed() {
  setup();
  draw();
}