#include <stdio.h>
#include <stdlib.h>
#include <conio.h>  // For _kbhit() and _getch()
#include <windows.h> // For Sleep()

#define WIDTH 20
#define HEIGHT 20

// Global variables
int x, y, fruitX, fruitY, score, gameOver;
int tailX[100], tailY[100];
int tailLength;
enum Direction { STOP = 0, LEFT, RIGHT, UP, DOWN };
enum Direction dir;

// Function to setup the game
void setup() {
    gameOver = 0;
    dir = STOP;
    x = WIDTH / 2;
    y = HEIGHT / 2;
    fruitX = rand() % WIDTH;
    fruitY = rand() % HEIGHT;
    score = 0;
    tailLength = 0;
}

// Draw the game board
void draw() {
    system("cls");  // Clear the console

    for (int i = 0; i < WIDTH + 2; i++) printf("#");
    printf("\n");

    for (int i = 0; i < HEIGHT; i++) {
        for (int j = 0; j < WIDTH; j++) {
            if (j == 0) printf("#");

            if (i == y && j == x)
                printf("O"); // Snake head
            else if (i == fruitY && j == fruitX)
                printf("F"); // Fruit
            else {
                int print = 0;
                for (int k = 0; k < tailLength; k++) {
                    if (tailX[k] == j && tailY[k] == i) {
                        printf("o");
                        print = 1;
                    }
                }
                if (!print) printf(" ");
            }

            if (j == WIDTH - 1) printf("#");
        }
        printf("\n");
    }

    for (int i = 0; i < WIDTH + 2; i++) printf("#");
    printf("\n");
    printf("Score: %d\n", score);
}

// Handle input
void input() {
    if (_kbhit()) {
        switch (_getch()) {
            case 'a': dir = LEFT; break;
            case 'd': dir = RIGHT; break;
            case 'w': dir = UP; break;
            case 's': dir = DOWN; break;
            case 'x': gameOver = 1; break;
        }
    }
}

// Game logic
void logic() {
    int prevX = tailX[0];
    int prevY = tailY[0];
    int prev2X, prev2Y;
    tailX[0] = x;
    tailY[0] = y;

    for (int i = 1; i < tailLength; i++) {
        prev2X = tailX[i];
        prev2Y = tailY[i];
        tailX[i] = prevX;
        tailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }

    switch (dir) {
        case LEFT:  x--; break;
        case RIGHT: x++; break;
        case UP:    y--; break;
        case DOWN:  y++; break;
        default:    break;
    }

    // Check for collision with walls
    if (x >= WIDTH  x < 0  y >= HEIGHT || y < 0)
        gameOver = 1;

    // Check for collision with itself
    for (int i = 0; i < tailLength; i++) {
        if (tailX[i] == x && tailY[i] == y)
            gameOver = 1;
    }

    // Check for collision with fruit
    if (x == fruitX && y == fruitY) {
        score += 10;
        fruitX = rand() % WIDTH;
        fruitY = rand() % HEIGHT;
        tailLength++;
    }
}

// Main function
int main() {
    setup();

    while (!gameOver) {
        draw();
        input();
        logic();
        Sleep(100);  // Delay for smoother gameplay
    }

    printf("Game Over! Your score: %d\n", score);
    return 0;
}
/live