// All Examples Written by Casey Reas and Ben Fry // unless otherwise stated. void setup() { size(200, 200); noStroke(); smooth(); noLoop(); } void draw() { drawCircle(126, 170, 6); } void drawCircle(int x, int radius, int level) { float tt = 126 * level/4.0; fill(tt); ellipse(x, 100, radius*2, radius*2); if(level > 1) { level = level - 1; drawCircle(x - radius/2, radius/2, level); drawCircle(x + radius/2, radius/2, level); } }