squiggle[] s = new squiggle[100];
void setup(){
  size(800,600);
  smooth();
  for(int i = 0; i < s.length; i++){
    s[i] = new squiggle();
  }
  fill(0,20);
  stroke(255,70);
}


void draw(){
  //background(0);
  translate(mouseX,mouseY);
  for(int i = 0; i < s.length; i++){
    s[i].draw();
  }
}

class squiggle{
  float rad;
  float x,y;
  float rand_turn;
  boolean turn = false;
  float speed;
  squiggle(){
    x = 0;
    y = 0;
    rad = random(0,2*PI);
    speed = random(.2,3);
  }
  void draw(){
    line(x,y,cos(rad) * speed + x, sin(rad) * speed + y);
    ellipse(x,y,rad,rad);
    x = cos(rad) * speed + x;
    y = sin(rad) * speed + y;  
    if(sqrt(sq(x - (0)) + sq(y - (0))) < 100){
      rad += random(-.25,.25); 
      turn = false;
    } 
    else {
      if(turn == false){
        rand_turn = random(.1,.3);
        turn = true;
      }
      rad += rand_turn;
    }
  }
}