import processing.opengl.*;
import controlP5.*;
ControlP5 controlP5;
PImage img;
String[] palettes;
color[] imageColors;
color[] colores = new color[4];
float a = 0;
int ancho = 800;
int alto =400; 
float rmax;
float rmaxinit = 180;
float rmin = 10;
float yy = alto/2;
float r;
boolean limpiarPantalla = false;
int incremento  =ancho/20;
void setup() 
{
  size(ancho,alto);
  frameRate(20); 
  
 
  setupPalettes();
  noCursor();
  smooth();

  initPalette();
  rmax = rmaxinit;
 
  initRender();
  setColor();
background(0); 
  Texto();
}

void draw() 
{

  render();
  display();  



}
// draw
void drawLine(){
  stroke(40);
  for(int i=0; i<width; i=i+int(rmax)) {
    line(a,yy,a,rmax);
  }

}
void display(){
  smooth();
  r= random(rmax-incremento,rmax);
  ellipse(a,random(yy,yy-30),r,r);

}
//-------------------------
//renders
void render(){
  setColor();
  a = a + incremento;
  if (a > width) { 
    initRender();
  }  

}
void initRender(){
  setColor();
  a = 0; 
  if (rmax <= rmin) {

    limpiarPantalla = true;
    //yy =alto-rmaxinit;;
    rmax= rmaxinit;
    println("------------rmax"+rmax);
    ;
  }
  else
  {
    limpiarPantalla = false;
    rmax = rmax - 10;
  }

  println("rmax:"+rmax);


}

//-------------------------

// colores
void setColor(){


  if (limpiarPantalla) {

    initPalette();
  }
  else
  {
    if (rmax <rmaxinit-50){
      noStroke();
      int randomColor = int(random(0,colores.length));
      int r = int(random(imageColors.length));
      fill(imageColors[r]);

    }
    else
    {
      stroke(150);
      noFill();
      // fill(colores[0]);
    }

  }
}
void setupPalettes(){
  palettes = new String[5];
  palettes[0] ="Peanut_Butter_Cup.png" ;
  palettes[1] ="palette10x10.jpg" ;
  palettes[2] ="chili_octopus.png";
  palettes[3] ="Itslatewannagohome.png";
  palettes[4] ="Zebras_in_the_Shade.png";  



}
void initPalette(){

  int p = int(random(palettes.length));
  img = loadImage(palettes[p]);
  imageColors = new color[img.width*img.height];
  for (int y = 0; y < img.height; y++) {
    for (int x = 0; x < img.width; x++) {
      imageColors[y*img.height + x] = img.get(x, y);
    }
  }
}

void Texto(){
  PFont font  = loadFont("Verdana-10.vlw"); ;
  textFont(font,10); 
  fill(255,255, 255);
 String s = "L.I.A.ndola con el código - oct 2007 - barcelona - Alba G. Corral.";
  //text(s, margen, 20, 70, 70);
  text(s, 10, 10,350,200); 
  fill(255,255, 0);
 

}