class Drawers {
  int maxsize;
  Drawer[] all;
  
  Drawers(int maxs) {
    maxsize = maxs; init();
  }
  void init() {
    
    all = new Drawer[maxsize];
    for(int i=0; i<maxsize; i++) all[i] = new Drawer(i,' ',false,99);
    //for(int i=0; i<maxsize; i++) all[i].mutate();
  }
  void go() {
    for(int i=0; i<maxsize; i++) {
      if(all[i].activ) {
        all[i].update(); all[i].draw();
        //if(all[i].start) print(i+" . ");
      }
    }
  }
  
  void restart() {
    for(int i=0; i<maxsize; i++) {
        all[i].init();
    }
  }
  
  void filterin(String txt) {
    char before = ' ';
    int len = txt.length();
    boolean start = true;
    int attached = 0;
    for(int i=0; i<maxsize; i++) {
      if(i<len) {
        if(before==' ') {
          start = true; attached = i;
        } else {
          start = false;
        }
        all[i].reset(txt.charAt(i), start, attached);
        before = txt.charAt(i);
      } else {
        all[i].reset(' ', false, 0);
      }
    }
  }
}


class Drawer {
  boolean activ;
  char letter;
  String word;
  boolean start;
  int attached;
  float maxvel = 2.0;
  float maxacc = 0.1;
  float maxsiz = 12.0;
  float minsiz = 2.5;
  int no;
  
  color col = color(0,0,0,15);
  float siz;                   // size, radius
  float grow;                  // grow radius
  Vector3D vel;                  // velocity
  Vector3D pos;                   //  position
  Vector3D acc;                   // acceleration
  
  Drawer(int n, char le, boolean st, int at) {
    no = n;
    start = st;
    attached = at;
    letter = le;
    init();
  }
  
  void init() {
    word = " ";
    siz = minsiz;
    grow = 1.0;
    pos = new Vector3D(width/2 + centerx,(height-50)/2 + centery);
    vel = new Vector3D(0,0);
    acc = new Vector3D(0,0);  //random(0.1)-0.05,random(0.1)-0.05
  }
  
  void mutate() {
    //color,size,grow,pos,vel,acc
    //grow = (start) ? grow+0.1 : grow-0.02;
    //siz = float(letter)*0.1;
    
    //int d = constrain(int(letter),1,drawers.maxsize-1);
    //acc = Vector3D.sub(drawers.all[d].pos,pos);
    //acc.mult(0.01);
    
    //if(!start) siz = minsiz;
    
    if(!vocal(letter)) {
    if(!start) pos.setXYZ(drawers.all[attached].pos.x,drawers.all[attached].pos.y,0);
    }
    //else pos.setXYZ(width/2,height/2,0);
    
    grow = int(letter)%40/400.0 + 0.94;
    grow = (start) ? grow+0.02 : grow-0.015;
    float deg = ( (letter*25)%360 );
    //if(no==0) println(deg);
    acc.setXYZ(sin(deg),cos(deg),0);
    acc.normalize();
    if(!start) vel.mult(2.0);
    if(no==0) vel.mult(0.8);
    //if(no==0) siz = constrain(siz,minsiz,maxsiz/5);
  }
  
  void reset( char c, boolean st, int at) {
    letter = c;
    start = st;
    attached = at;
    activ = (letter==' ') ? false : true;
    mutate();
  }
  
  void update() {
    if(activ) {
      if(vocal(letter)) {
        Vector3D ablenk = Vector3D.sub(drawers.all[attached].pos,pos);
        ablenk.mult(0.1);
        acc.add(ablenk);
      } else {
        //acc = Vector3D.sub(new Vector3D(width/2,height/2,0),pos);
        //acc.mult(0.01);
      }
      acc.limit(maxacc);
      vel.add(acc);
      vel.limit(maxvel);
      pos.add(vel);
      siz = constrain(siz*grow,minsiz,maxsiz);
      
      //  check drawing boundaries  WRAP

      if(pos.x < 0) pos.setXYZ(pos.x+width,pos.y,pos.z);
      else if(pos.x > width) pos.setXYZ(pos.x-width,pos.y,pos.z);
      if(pos.y < 0) pos.y+=(height-50);
      else if(pos.y > (height-50)) pos.y-=(height-50);
   }
  }
  void draw() {
    fill(col); noStroke();
    ellipse(pos.x,pos.y,siz,siz);
  }
  void drawword() {
    fill(0); noStroke();
    text(word,pos.x,pos.y);
  }
  void drawletter() {
    fill(0); noStroke();
    text(letter,pos.x,pos.y);
  }
}

boolean vocal(char c) {
  switch(c) {
    case 'a': 
    case 'A':
    case 'e':
    case 'E':
    case 'i':
    case 'I':
    case 'o':
    case 'O':
    case 'u':
    case 'U': return true; 
    default : return false;
  }
}
boolean kleinb(char c) {
  if(int(c)>=int('a') && int(c)<=int('z')) return true;
  else return false;
}
boolean grossb(char c) {
  if(int(c)>=int('A') && int(c)<=int('Z')) return true;
  else return false;
}