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

  The interface of the program, keeping all the objects together and
  definisng their interaction.

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

#include <GL/glut.h>
#include <cstdlib>
#include "ball.h"
#include "brickbreak.h"

const float bwidth = 100, bheight = 100, rad = 2;
Ball the_ball(rad);

// Draws all the objects in the scene
void draw()
{
  glClear(GL_COLOR_BUFFER_BIT);
  the_ball.draw();
  glutSwapBuffers();

}

// Moves all the objects in the scene
void move()
{
  the_ball.move();
  if (the_ball.y < -rad)
    glutIdleFunc(NULL);
  glutPostRedisplay();
}



// Callback function for an Ascii key being pressed
void key(unsigned char key, int x, int y)
{
  switch (key) {
  case 'q':
  case 'Q':
    exit(0);
  case '1':
    glutPostRedisplay();
    break;
  }
}

// Callback function for a special key being pressed
void spkey(int key, int x, int y)
{
  switch (key) {
  case GLUT_KEY_LEFT:
    glutPostRedisplay();
    break;
  case GLUT_KEY_RIGHT:
    glutPostRedisplay();
    break;
  }
}

// Initializes all the objects with their initial positions.
void reset_obj()
{
  the_ball.set_box(bwidth, bheight);
  the_ball.move_to(bwidth/2, rad);
  //the_ball.set_speed(1, 1);
  the_ball.randomize_speed(2);
}

// Application parameters
void myinit()
{
  reset_obj();

  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluOrtho2D(0, bwidth, 0, bheight);
  glMatrixMode(GL_MODELVIEW);
  glClearColor (0, 0, 0, 1.0);
  glColor3f(1.0,0.0,0.0);
  //glLineWidth(2);
  glPolygonMode( GL_FRONT_AND_BACK, GL_FILL);
}