hanoi drawing

#include <stdio.h>
#include <stdlib.h>
#include "primlib.h" /*This is graphics library*/

#define BACKGROUND_COLOR BLACK
/*This variable represents the color ofthe background*/
#define FLOOR_COLOR YELLOW
/*This variable represents the color of the floor*/
#define TOWERS_COLOR RED
/*This variable represents the color of the towers*/
#define DISKS_COLOR MAGENTA
/*This variable represents the color of the disks*/
#define FRAME_COLOR BLUE
/*This variable represents the color of the frames of the disks*/
#define TEXT_COLOR YELLOW
/*This variable represents the color ofthe text used in the programm */
#define TOWERS_NUMBER 5
/*This variable represents the number of towers */
#define DISKS_NUMBER 4
/*This variable represents the number of disks */
#define TOWERS_WIDTH 6
/*This variable represents the width of the towers */
#define FLOOR_HEIGHT 30
/*This variable represents the height of the floor */
#define DISKS_WIDTH 3
/*This variable represents the width of the smallest disk minus tower's width and divided by two*/
#define STEP 2
/*This variable represents the step per iteration of the moving disks */
#define DISKS_HEIGHT 10
/*This variable represents the height of the disks */

/******************************************************************************************************************************************************************************************/
/* global variables */

int how_many_disks_arr[TOWERS_NUMBER];
/*This array stores information about how many disks are on the current tower*/

int disks_arr[DISKS_NUMBER+1][TOWERS_NUMBER];
/*In this array we store the sizes of individual disks which occupy current position on towers */

float nr_towers=TOWERS_NUMBER; /*This variable represents the number of towers*/

float nr_disks=DISKS_NUMBER; /*This variable represents the numbe*/








void drawing(void) /*This function is drawing on the screen everything that is going on in the programm: backgroung, floor, disks, towers */
{
    int row,column;
    /*row - counter in operations concerning number of rows
      column - counter in operations concerning number of columns*/

    filledRect(0, 0, screenWidth(), screenHeight(), BACKGROUND_COLOR);
    /*This function creates the background*/
    filledRect(0, screenHeight()-FLOOR_HEIGHT, screenWidth(), screenHeight(), FLOOR_COLOR);
    /*This function creates the floor*/

    for(column=0;column<TOWERS_NUMBER;column++)   /*This for loop draws towers*/
        {
        filledRect((column*2+1)*screenWidth()/(nr_towers*2)-TOWERS_WIDTH/2, screenHeight()-((nr_disks+1)*DISKS_HEIGHT+FLOOR_HEIGHT), (column*2+1)*screenWidth()/(nr_towers*2)+TOWERS_WIDTH/2, screenHeight()-FLOOR_HEIGHT-1, TOWERS_COLOR);
        }

    for(column=0;column<TOWERS_NUMBER;column++)  /*This two loops create disks and their frames according to the current position of disks written in the array*/
        {
        for(row=0;row<DISKS_NUMBER;row++)
                {
            if(disks_arr[row][column]!=0)
                {
                filledRect(screenWidth()/(nr_towers*2)*(1+2*column)-DISKS_WIDTH*disks_arr[row][column]-TOWERS_WIDTH/2,      screenHeight()-(nr_disks-row)*DISKS_HEIGHT-FLOOR_HEIGHT, screenWidth()/(nr_towers*2)*(1+2*column)+DISKS_WIDTH*disks_arr[row][column]+TOWERS_WIDTH/2, screenHeight()-((nr_disks-row-1)*DISKS_HEIGHT)-FLOOR_HEIGHT-1, DISKS_COLOR);

                rect(screenWidth()/(nr_towers*2)*(1+2*column)-DISKS_WIDTH*disks_arr[row][column]-TOWERS_WIDTH/2,      screenHeight()-(nr_disks-row)*DISKS_HEIGHT-FLOOR_HEIGHT, screenWidth()/(nr_towers*2)*(1+2*column)+DISKS_WIDTH*disks_arr[row][column]+TOWERS_WIDTH/2, screenHeight()-((nr_disks-row-1)*DISKS_HEIGHT)-FLOOR_HEIGHT-1, FRAME_COLOR);
                }
                }
            }
}






















int main(int argc, char* argv[])
{

    //initial_state(); /*This function writes the initial position of the disks into the array*/

    if(initGraph()) /*Initialization of graphics. Exit on error*/
       exit(3);

    do
        {
        drawing(); /*This function is drawing on the screen everything that is going on in the programm: backgroung, floor, disks, towers */
        updateScreen();

        //winning(); /* This function prints the text when the user wins the game*/
        //if(winning()==1) /*Function 'winning()' returns value 1 if the user won the game so the main loop of the game is terminated by the 'break' expression*/
        //  break;

    //  array_transport(); /*This function is responsible for operations on disks_array. If the conditions to move a disk from one towers to the other are satisfied then it launches the moving() function*/
        //updateScreen();

        }while(pollkey()!=SDLK_ESCAPE); /*This loop makes the programm to work until the user will close the window*/

    return 0;
}