// circular placement
// by aaron siegel (10-18-05)

int nodes, radx, rady, offsetx, offsety;
float cnt, detail, xpos, ypos, rotation;

void setup(){
  framerate(60);
  size(500,500);
  smooth();
  offsetx = 250;   // center of ellipse
  offsety = 250;
}

void draw(){
  background(255);
  ellipse(offsetx, offsety, 10, 10);
  // inner ring (ie: google results)
  detail = 6.28 / 10;   
  ring(100, 100, -3.14, 10, detail);
  // second ring (second generation results)
  detail = 6.28 / 20;   
  ring(150, 150, -3.14, 20, detail);
  // third ring (third generation results)
  detail = 6.28 / 60;
  ring(200, 200, -3.14, 100, detail);
}

void ring(int radx, int rady, float cnt, int nodes, float detail){
  for(int i=0; i<nodes; i++){
    xpos = sin(cnt) * radx + offsetx;
    ypos = cos(cnt) * rady + offsety;
    rotation = -cnt*180/3.14+90;  // this angles any text appropriately
    ellipse(xpos,ypos,5,5);
    cnt = cnt + detail;
    if (cnt > 3.14){
      cnt = -3.14;
    }
  }
}