anchor.diff:        snake.move(direction);
         gold.gameAction();
       }
  +
  +
  +    if ((gameLoop.frame % tailClock) == 0) {
  +       snake.increaseTail();
  +      }
     }
   }
   
  
positive.code:     this.snake = new Snake(canvas);
      this.gold = new Gold(this.snake);
      this.speed = 10;
    }
  
    Coord getDirectionFromKeyboardEvent(KeyboardEvent e) {
  
negative.code:   String name;
    Snake snake;
    int speed;
    int tailClock;
  
    static Coord right = new Coord(1, 0);
    static Coord left = new Coord(-1, 0);
  