// Based on Listing 4-3, Generative Art float x, y, radius, centX, centY; float t = 0; void setup() { size(500, 500); strokeWeight(5); centX = width / 2; centY = height / 2; frameRate(5); } void draw() { background(255); float lastx = -999, lasty = -999; radius = 20; t = random(10); for (float ang = 0; ang <= 360 * 4; ang += 5) { // loop for four times float rad = radians(ang); radius += 0.5; float r_noise = radius + noise(t) * 100; x = centX + (r_noise * cos(rad)); y = centY + (r_noise * sin(rad)); if (lastx > 0 ) line(x, y, lastx, lasty); lastx = x; lasty = y; t += 0.05; } }