/*
Hackpact Arte Generativo 2011
Dia 7

Martin Zumaya Hernandez
*/

Wheel[] wheel;
int N = 2;
float ang = 0.1;
float R = 2;

void setup(){
  frameRate(30);
  smooth();
  colorMode(HSB);
  size(700,500);
  background(200);
  wheel = new Wheel[N];
  for( int i = 0; i <N; i++){
    wheel[i] = new Wheel();
    wheel[i].start();
  }
}

void draw(){
  
  fill(200,10);
  rect(0,0,width,height);
  
  translate(width/2,height/2);
  rotate(ang);
    
  for( int i = 0; i < N; i++){
    wheel[i].draws();
    wheel[i].w += R*sin(ang);
  }  
    
  ang += 0.1;
  
}

void keyPressed() {

  if ( key == ' ') {
    saveFrame("  #### imagen.png");
  }
}

class Wheel {

  int N;
  float w;
  float xc,yc;
  float posx[], posy[], velx[], vely[];
  color cl;
  float r; 

  Wheel() {    
    N = 30;
    posx = new float[N];
    posy = new float[N];
    velx = new float[N];
    vely = new float[N];
    r = random(80, 150);
  }

  void start() {

    noFill();

    float tetha = TWO_PI/N;
    
    xc = 0;
    yc = 0;
    w = r+20;

    for ( int i = 0; i < N; i++) {
      velx[i] = random(-0.5,0.5);
      vely[i] = random(-0.5,0.5);
      vely[i] = velx[i];
      posx[i] = r*cos(i*tetha);
      posy[i] = r*sin(i*tetha);
     cl = color(random(180,220),180,180);
    }
  }

  void mmove(float dt) {

    for (int i = 0; i < N; i ++) {
      posx[i] += velx[i]*dt;
      posy[i] += vely[i]*dt;
      ellipse(xc + posx[i], yc + posy[i], w, w);
    }
  }
  
  void draws(){  
    for( int i = 0; i < N; i ++){
     stroke(cl);
     ellipse(xc + posx[i], yc + posy[i], w, w);
    line(posx[i]+xc, posy[i]+yc, xc, yc);
    }
  }

  
};