//this code generates a cool looking circle-within-a-circle-within-a-circle type fractal
//written in Processing 0135 Beta

void setup()
{
  size(300,200);
  noStroke();
  smooth();
  noLoop();
}

void draw()
{
  circle(4*width/10, height/2 ,width,8);
}

void circle(int x, int y, int rad, int level)
{
  float colr=70*level/4;
  fill(colr);
  ellipse(x, y, rad*2, rad*2);
  if (level>1) {
    level-=1;
    circle(x-rad/2, y, rad/2, level);
    circle(x+rad/2, y, rad/2, level);
    circle(x, y-rad/2, rad/2, level);
    circle(x, y+rad/2, rad/2, level);
  }
}