import toxi.geom.*;
import toxi.math.*;

Curver[] curvers;
int NUMCURVERS=5 ;
int NUMCENTERS=25;
int[][] grid;
color[][] colorGrid;
int count;

void setup(){
  size(800,800);
  smooth();
  noStroke();
  reset();
}

void draw(){
  boolean resetNeeded=true;
  for(int i=0;i<NUMCURVERS*NUMCENTERS;i++){
    resetNeeded&=curvers[i].inactive;
    if(!curvers[i].inactive){

      curvers[i].drawFrill(colorGrid);

    }
  }
  noStroke();
    fill(0);
  for(int i=0;i<NUMCURVERS*NUMCENTERS;i++){
    if(!curvers[i].inactive){
      curvers[i].drawCenter();
      curvers[i].update(grid);
    }
  }
  if (resetNeeded){
    filter(BLUR,1);
    //fill(0,100);
    //rect(0,0,width,height);
    count++;
    newCurvers();
    if(count>8)noLoop();
  }

}

void reset(){
  background(0);
  count=0;
 grid = new int[width][height];
  
  newColorGrid();
  newCurvers();
    loop(); 


}

void newCurvers(){
   curvers = new Curver[NUMCURVERS*NUMCENTERS];
  Vec3D pos = new Vec3D(width/2,height/2,0f);
  Vec3D hdg = new Vec3D();
  for(int c=0;c<NUMCENTERS;c++){
    float rw=random(4f,(float)width-4f);
    float rh=random(4f,(float)height-4f);
    for(int i=0;i<NUMCURVERS;i++){
      float angle = random(TWO_PI);
      pos.set(rw,rh,0f);
      hdg.set(cos(angle),sin(angle),0f);
      hdg.normalize();
      curvers[i+c*NUMCURVERS] = new Curver(pos,hdg);
    }
  }
  
  
  
  }

void newColorGrid(){
  colorGrid = new color[width][height];
  color cul = color(random(256f),random(256f),random(256f));
  color cur = color(random(256f),random(256f),random(256f));
  color cll = color(random(256f),random(256f),random(256f));
  color clr = color(random(256f),random(256f),random(256f));  

  for(int w=0;w<width;w++){
    for(int h=0;h<height;h++){  

      colorGrid[w][h]=color((1f-(float)w/width)*(1f-(float)h/height)*red(cul)+((float)w/width)*(1f-(float)h/height)*red(cur)+(1f-(float)w/width)*((float)h/height)*red(cll)+((float)w/width)*((float)h/height)*red(clr),(1f-(float)w/width)*(1f-(float)h/height)*green(cul)+((float)w/width)*(1f-(float)h/height)*green(cur)+(1f-(float)w/width)*((float)h/height)*green(cll)+((float)w/width)*((float)h/height)*green(clr),(1f-(float)w/width)*(1f-(float)h/height)*blue(cul)+((float)w/width)*(1f-(float)h/height)*blue(cur)+(1f-(float)w/width)*((float)h/height)*blue(cll)+((float)w/width)*((float)h/height)*blue(clr),60);
    }
  }
  
  
  }

void mousePressed(){
  reset();

}

void keyPressed(){
  if((key=='s')||(key=='S')) saveFrame();

}