/********************************************************************
  File:         ball.h
  Author:       Dana Vrajitoru
                
  Project:      A simple 2D animation program based on the Breakout game.
  Last updated: February 3, 2011.

  A class handling a 2D circle moving on the screen.

********************************************************************/

#ifndef BALL_H
#define BALL_H

class Ball {
 public:
  // The ball's position
  float x, y;
  // How big the ball is
  float radius;
  // Velocity over x and y
  float vx, vy;
  // Color of the ball
  float r, g, b;
  // Bounding box
  float bwidth, bheight;

  GLUquadric *disk;

  // default constructor with given 
  Ball(float rad = 1.0);
  // Define the boundaries for the window
  void set_box(float bw, float bh);
  // Set the color of the object
  void set_color(float valr, float valg, float valb);
  // Change its coordinates
  void move_to(float posx, float posy);
  // Initialize the speed to some values.
  void set_speed(float tx, float ty);
  // Reset the value of the speed with random values between 0 and the limit.
  void randomize_speed(float limit);
  // Move the ball from the current position based on its velocity
  void move();
  // Draw the ball at given coordinates
  void draw();
};

#endif