/**
 * Complexity, Intensity, Disorder 
 * Demo for the Instruction Set website [05/2008]
 * by Xavier Gouchet (http://www.xgouchet.fr/)
 *
 * Dependencies : ControlP5 library (http://www.sojamo.de/libraries/controlP5/)
 */
 
import controlP5.*;

public ControlP5 cp5;

public float complexity, intensity, disorder;

public int hueval;
 
void setup(){
  // init applet
  size(640,480);
  frameRate(12);
  smooth();
  
  // init GUI
  cp5 = new ControlP5(this);
  Slider sliderCo = cp5.addSlider("complexity", 0.0, 1.0, 0.5, 10, 160, 8, 64);
  Slider sliderIn = cp5.addSlider("intensity", 0.0, 1.0, 0.5, 65, 160, 8, 64);
  Slider sliderDi = cp5.addSlider("disorder", 0.0, 1.0, 0.5, 120, 160, 8, 64);
  complexity = intensity = disorder = 0.5;
  hueval = (int)random(256);
}

public void draw(){
  colorMode(RGB,256);
  noStroke();
  fill(192,192,192,64);
  rect(0,0,width,height);
  
  int count = (int) (25*complexity) + 2;
  for (int j=0; j<count; j++){
    float x = (width/2) + (disorder*random(-width/5,width/5));
    float y = (height/2) + (disorder*random(-height/5,height/5));
  
    beginShape();
    
    for (int i=0; i<24; i++){
      float rad = (intensity*100) + (complexity*random(50));
      float vx = x + (cos((i*2*PI)/24) * rad);
      float vy = y + (sin((i*2*PI)/24) * rad);
    
      colorMode(HSB,256);
      stroke(0);
      int brightnessval = 255;
      if (count>0)
        brightnessval = (int) ((j*256.0)/count);
      fill((hueval+(random(-30,30) * complexity)), intensity*256, brightnessval);
      vertex(vx,vy);
    }
    endShape(CLOSE);
  }
  
  hueval += random(-30,30) * disorder;
  if (hueval<0) hueval += 256;
  if (hueval>=256) hueval -= 256;
  
}