// CircleRandom
// John Clavin, August 2008

Pencil adumbrate1;
Pencil adumbrate2;
Pencil adumbrate3;
Pencil adumbrate4;
Pencil adumbrate5;
Pencil adumbrate6;
int widthSeg;
int heightSeg;
int drawCount;

void setup(){
  size(664, 498);
  background(220);
  smooth();
  strokeWeight(1);
  frameRate(18);
  widthSeg = width/4;
  heightSeg = height/3;
  adumbrate1 = new Pencil(widthSeg, heightSeg);
  adumbrate2 = new Pencil(widthSeg*2, heightSeg);
  adumbrate3 = new Pencil(widthSeg*3, heightSeg);
  adumbrate4 = new Pencil(widthSeg, heightSeg*2);
  adumbrate5 = new Pencil(widthSeg*2, heightSeg*2);
  adumbrate6 = new Pencil(widthSeg*3, heightSeg*2);
}

void draw() {
  adumbrate1.work();
  adumbrate2.work();
  adumbrate3.work();
  adumbrate4.work();
  adumbrate5.work();
  adumbrate6.work();
  drawCount++;
  if(drawCount > 200) {
    delay(6000);
    background(220);
    drawCount = 0;
    adumbrate1.reset();
    adumbrate2.reset();
    adumbrate3.reset();
    adumbrate4.reset();
    adumbrate5.reset();
    adumbrate6.reset();
  }
}

class Pencil {
  int centerX, centerY;
  int numPoints = 16;
  float radius, angle; 
  float segment1, segment2;
  float x1, y1, x2, y2;
  int angleIndex = 0;
  color objColor;

  Pencil(int centerX, int centerY) {
    this.centerX = centerX;
    this.centerY = centerY;
    angle = TWO_PI/float(numPoints);
    objColor = color(random(210), random(210), random(210));
  }
  
  void work() {
    stroke(objColor);
    radius = random(20, 100);
    segment1 = random(angle*angleIndex, angle*(angleIndex+1));
    x1 = radius*cos(segment1)+centerX; 
    y1 = radius*sin(segment1)+centerY;
    segment2 = random(angle*(angleIndex+8), angle*(angleIndex+9));
    x2 = radius*cos(segment2)+centerX; 
    y2 = radius*sin(segment2)+centerY;
    line(x1, y1, x2, y2);
    angleIndex++;
  }
  
  void reset() {
    angleIndex = 0;
    objColor = color(random(210), random(210), random(210));
  }
}