/*
 * circulate
 * by Matt Katz
 * after I saw this http://butdoesitfloat.com/2280711/Turn-Turn-Turn
 * I wanted to do it.
 * The source image kindle provided by Gordon Griffiths [<a href="www.creativecommons.org/licenses/by-sa/2.0">CC-BY-SA-2.0</a>], <a href='http://commons.wikimedia.org/wiki/File%3AOatenfields_Pasture_-_geograph.org.uk_-_443325.jpg'>via Wikimedia Commons</a>
 * 
 */


PImage source;
PImage table;
PImage img;
PImage maskImg;
boolean render;
boolean showOriginal;
int bands;
int bandWidth;
int bandSpace;

float bandTwist;
ScrollPanel panel;
int cX, cY;

void setup(){
  //size(403,603);
  String file = "Oatenfields_Pasture_-_geograph.org.uk_-_443325.jpg";
  source = loadImage(file);
  img = loadImage(file);
  //comment out the previous size and uncomment this
  //if you are playing with various photos in 
  //processing ide
  size(source.width, source.height);
  //print(source.width);
  //print (source.height);
  background(source);
  smooth();
  render = true;
  showOriginal = true;
  bands = 12;
  bandWidth = 60;
  bandSpace = 8;
  
  panel = new ScrollPanel(4);
  //panel.addBar("bands", 0,20,width,10,16,width);
  panel.addIBar("Bands", 12);
  panel.addIBar("Width",100);
  panel.addIBar("Space", 50);
  panel.addBBar("Twist",30);
  cX = width/2;
  cY = height/2;
}
void keyPressed(){
  println("pressed " + key);
  if(key == 'g'){
   render = !render; 
   if(render){background(255);}else{background(source);}
   println("render is " + render);
  }

}


void draw(){
  //panel.displayScrolls();
  //info("1");
  panel.updateScrolls();
  if(panel.overScrolls()){
   panel.displayScrolls();
  }
  else if(mousePressed){
    showOriginal = !showOriginal;
    render = true;
  }
  
  if(render){
    if(showOriginal){
      revertBack();
    }
    else{
      background(source);
      makePic(mouseX, mouseY);
      if(! online){
        saveFrame("seriousbusiness-####.jpg");
      }
    }

  render = false;
  

  }

}

void updateValuesFromPanel(){
  bands = (int)panel.getVal("Bands");
  bandWidth = (int)panel.getVal("Width");
  bandSpace = (int)panel.getVal("Space");
  bandTwist = panel.getVal("Twist");
   
}

void revertBack(){
 background(source); 
}


void makePic(int mX, int mY ){
  updateValuesFromPanel();
  int startWidth = width * bandWidth/100;
  for(int band = 0; band <bands; band++){
    circleRotate(img, mX,mY, startWidth - (band * bandSpace), radians(( band) * bandTwist  ));
  }
}