/*
 * File: paddle.h
 * Purpose: Contains the prototype for the paddle class
 *          for the game of pong.
 */
#ifndef PADDLE_H
#define PADDLE_H
#include "ball.h"

#define PADDLE_HEIGHT 5

class Paddle {
public:
  //constructor
  Paddle(int player);

  //movement functions
  void moveUp();
  void moveDown();

  //collision detection 
  bool checkCollision(Ball b);

  //screen commands
  void draw();
  void erase();
  void update();

  //report position
  int getX();
  int getY();

private:
  int x, y;
  /*
    
    Paddle position specified by:

    #
    #
    # <-- (x,y)
    #
    #
    
   */
};


class PlayerPaddle : public Paddle {
public:
  PlayerPaddle(int player);
  void update();  //overrides parent  update
};


class ComputerPaddle  : public Paddle {
public:
  ComputerPaddle(int player);
  void update(int ballY);
};

#endif