int frames = 0;
float newx[];
float newy[];
int newi = 0;
int newn;

int ncounts[];
int nlens[];
int nbase[];
float nlastx[];
float nlasty[];

int ncurls;


void setup() { 
  size ( 600, 400 );
  smooth();

  newn = 70;
  newi = 0;
  newx = new float [newn];
  newy = new float [newn];

  ncurls = 30;
  ncounts = new int[ncurls];
  nbase   = new int[ncurls];
  nlens   = new int[ncurls];
  nlastx  = new float[ncurls];
  nlasty  = new float[ncurls];

  int i;
  for ( i = 0; i < ncurls; i++ ) { 
    nlastx[i] = 0;
    nlasty[i] = 0;
    ncounts[i] = 0;
    nbase[i] = 0;
    nlens[i] = 5  + i * 2;
  }
  
  stroke ( 200 );
  background ( 232 );
  framerate (30);

}


void loop() { 

  int i;

   newi++;
   
   if ( newi < newn ) { 
     newx[newi] = mouseX;
     newy[newi] = mouseY;
     line( newx[newi-1] , newy[newi-1] , newx[newi], newy[newi] );
   }

  
  for ( i = 0 ; i < ncurls ; i++ ) { 
    if ( ncounts[i] > nlens[i] ) { 
      nlens[i] = (int) random ( 0, newn -3  );
      fill ( 255, 128, 128 );
      stroke ( 255, 64, 64 );
      int s = (int) sqrt ( nlens[i] );
      ellipse ( nlastx[i] - s/2, nlasty[i] - s/2 , s , s );
      ncounts[i] = 0;  
      nbase[i] = (int) random ( 0, max ( 2,  min ( newi, newn-1 ) - nlens[i] )  );
    }
    int ind = ncounts[i] + nbase[i];
    float dx = newx[ind+1] - newx[ind]; 
    float dy = newy[ind+1] - newy[ind];
    stroke ( 232  -  0.15 * (nlasty[i] + dy) ) ;
    line ( nlastx[i], nlasty[i] , nlastx[i] + dx, nlasty[i] + dy );
    nlastx[i] += dx;
    nlasty[i] += dy;
    ncounts[i]++;
  }

}

int lclikx = 0;
int lcliky = 0;

void mouseReleased()  {
  newi = 0;
  newx[newi] = mouseX;
  newy[newi] = mouseY;
  
  if ( lclikx == mouseX && lcliky == mouseY ) { 
    background ( 232 );
  }
  
  lclikx = mouseX;
  lcliky = mouseY;
  
//  background ( 6 );

  stroke ( 200 );
//  background ( 232 );
//  stroke ( random(0,255), random(0,255), random(0,255) );

  for ( int i = 0; i < ncurls; i++ ) { 
    nlastx[i] = mouseX;
    nlasty[i] = mouseY;
    ncounts[i] = 0;
    nbase[i] = 0;
  }  

}