anchor.diff:  }
   
   /// Spawn a new fish and add it to the school
  -void spawnFish() {
  +void spawn() {
     ImageElement fish = new ImageElement()
       ..classes.add('abs')
       ..src = "media/fish_right.png"
  
positive.code:     school.forEach((Fish fish) => fish.setBait(mouseX, mouseY));
    });
  
    window.onKeyPress.listen((KeyboardEvent e) {
      switch (e.keyCode) {
        case KeyCode.SPACE:
          spawnFish();
          break;
        default:
          break;
      }
    });
  
    document.onMouseLeave.listen((e) {
      school.forEach((Fish fish) => fish.setBait(
          rand.nextInt(window.innerWidth) + 1,
  
negative.code:   count = querySelector('#count');
    count.text = 1.toString();
  
    // Set the bait the current mouse location
    document.onMouseMove.listen((e) {
      int x = e.client.x;
      int y = e.client.y;
  