Creation Of snake Game Using C++

#include <stdio.h>

#include <stdlib.h>

#include <windows.h>

#include <conio.h>

#include <time.h>

 

void draw(char main[][75], int score);

void reset(char main[][75]);

void move(char main[][75], int &parts, int pastCounter, int past[][2], int &apples, int &score, int &quit);

void check (int &direction);

void directionn(int direction, int &pastCounter, int past[][2]);

void apple (int &apples, char main[][75]);

void quitGame (int score);

 

int main()

{   //past is an array to help direct when the snakes body will go,

    //did it like this so the behind pieces will follow the snakes head

    int past[1000][2]; //second bracket: 0 is up, 1 is side

    int parts = 3; //number of snake pieces

    char main[23][75];   // 23 down, 73 wide is appropriate screen size

    int pastCounter = 6;  //used in the use of past

    int direction = 0;

    int apples = 0;

    int score = 0;

    int quit = 0;

    int playAgain = 1;

    srand(time(0));

 

    //SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),2);  -- color if wanted

 

    for (int x = 0; x < 1000; x ++)

    {

        for (int y = 0; y < 2; y ++)

        {

            past [x][y] = 0;

        }

    }

    past[pastCounter][0] = 1; //keep the game from crashing because if you hit the wall it kicks you from the wall

    past[pastCounter][1] = 1;

    while(quit == 0)

    {  //main rotation through all the game's functions.

        draw(main, score);

        check(direction);

        directionn(direction, pastCounter, past);

        reset(main);

        move(main, parts, pastCounter, past, apples, score, quit);

        Sleep(25); //pause to keep the game a normal speed...

        if (apples == 0)

        {  //place more apples only if they are all gone

            apple(apples, main);

        }

         

    }

    quitGame(score);

    Sleep (10000);

    //getch();

 

}

void draw(char main[][75], int score)

{//draws the screen

    system("cls");

    printf ("Score : %d\n", score);

    for (int x = 0; x < 23; x ++)

    {

        for (int y = 0; y < 75; y ++)

        {

            printf ("%c", main[x][y]);

        }

        printf ("\n");

    }

 

}

 

void reset(char main[][75])

{//resets the array to keep it from being filled with parts of snake that shouldn't be there after the snake has moved on

    for (int x = 0; x < 23; x++)

        {

            for (int y = 0; y < 75; y++)

            {

                if (main[x][y] == '@')

                {  //doesn't reset the apples

                    main[x][y] == '@';

                }

                else

                {

                    if (x == 0 || x == 22 || y == 0 || y == 74)

                    {//doesnt reset the border

                        main[x][y] = 177;

                    }

                    else

                    {

                        main[x][y] = ' ';

                    }

                }

            }

        }

}

 

void move(char main[][75], int &parts, int pastCounter, int past[][2], int &apples, int &score, int &quit)

{//moves the snake head, and has the body follow it

    if (past[pastCounter][0] == 22 || past[pastCounter][0] == 0)

    {  //if te snake is on the border of the game you loose

        quit = 1;

    }

    if (past[pastCounter][1] == 74 || past[pastCounter][1] == 0)

    {

        quit = 1;

    }

 

    for (int x = 0; x < parts; x++)

    {

        if (main[past[pastCounter - x][0]][past[pastCounter - x][1]] == '@')

        {  //if the snake (technically any part of the snake) eats and apple...

            apples--;

            parts++;

            score += 10;

        }

        if (main[past[pastCounter - x][0]][past[pastCounter - x][1]] == 'o')

        {  //if the snake eats itself

            quit = 1;

        }

        else

        {  //else the snakes new location is determined

        main[past[pastCounter - x][0]][past[pastCounter - x][1]] = 'o';

        }

    }

}

void check (int &direction)

{//checks if there has been user input

    int key = 0;

    if (kbhit())

    {

        key = -getch();

        switch (key)

        {

        case -72:

            direction = 2;

            break;  //up

        case -77:

            direction = 0;

            break; //right

        case -80:

            direction = 3;

            break; //down

        case -75:

            direction = 1;

            break; //left

        }

    }

         

}

void directionn(int direction, int &pastCounter, int past[][2])

{//based on user input, detects which directing the snake head should be going

    int right;//adding to the array itself did not work, so i worked around it.

    int down;

    right = past[pastCounter][1];

    down = past[pastCounter][0];

    switch (direction)

    {  //directs the snake based on direction

    case 0:

        right ++;

        break;

    case 1:

        right --;

        break;

    case 2:

        down --;

        break;

    case 3:

        down ++;

    }

 

    pastCounter ++;

    past[pastCounter][0] = down;

    past[pastCounter][1] = right;

}

void apple (int &apples, char main[][75])

{//places apples on the screen

    int up = 0;

    int left = 0;

    apples = 3;

 

    for (int x = 0; x < apples; x ++)

    { //places appples, only if theres no border of part of the snake already in the space

        up = (rand() % 22);

        left = (rand() % 74);

 

        if (main[up][left] == 'o')

        {

            apple(apples, main);

        }

        if (main[up][left] == '*')

        {

            apple(apples, main);

        }

        else

        {

            main[up][left] = '@';

        }

    }

}

 

 

 

 

void quitGame (int score)

{//quits and displays score

    int quit = 0;

    system ("cls");

    printf ("GAME OVER!!!!\n\n");

    printf ("You got a score of %d\n", score);

 

 

}