Forum iot-tech.dev

Code: Select all

#include <ncurses.h>
#include <stdlib.h>
#include <time.h>
#include <stdbool.h>
#include <unistd.h>

#define WIDTH 30
#define HEIGHT 20
#define MAX_LENGTH 100

typedef struct {
    int x;
    int y;
} Segment;

Segment snake[MAX_LENGTH];
int length = 1;
int score = 0;
enum Direction { STOP = 0, LEFT, RIGHT, UP, DOWN };
enum Direction dir;
int foodX, foodY;
bool gameOver = false;

void generateFood() {
    bool valid;
    do {
        valid = true;
        foodX = (rand() % (WIDTH - 2)) + 1;
        foodY = (rand() % (HEIGHT - 2)) + 1;

        for (int i = 0; i < length; i++) {
            if (snake[i].x == foodX && snake[i].y == foodY) {
                valid = false;
                break;
            }
        }
    } while (!valid);
}

void setup() {
    initscr();
    cbreak();
    noecho();
    keypad(stdscr, TRUE);
    nodelay(stdscr, TRUE);
    curs_set(0);

    snake[0].x = WIDTH / 2;
    snake[0].y = HEIGHT / 2;
    dir = RIGHT;
    generateFood();
}

int main() {
    srand(time(NULL));
    setup();

    while (!gameOver) {
        int ch = getch();
        switch(ch) {
            case KEY_LEFT:
                if (dir != RIGHT) dir = LEFT;
                break;
            case KEY_RIGHT:
                if (dir != LEFT) dir = RIGHT;
                break;
            case KEY_UP:
                if (dir != DOWN) dir = UP;
                break;
            case KEY_DOWN:
                if (dir != UP) dir = DOWN;
                break;
            case 'q':
                gameOver = true;
                break;
        }

        int newHeadX = snake[0].x;
        int newHeadY = snake[0].y;
        
        switch(dir) {
            case LEFT: newHeadX--; break;
            case RIGHT: newHeadX++; break;
            case UP: newHeadY--; break;
            case DOWN: newHeadY++; break;
            case STOP: break;
        }

        if (newHeadX <= 0 || newHeadX >= WIDTH-1 || newHeadY <= 0 || newHeadY >= HEIGHT-1) {
            gameOver = true;
            continue;
        }

        for (int i = 1; i < length; i++) {
            if (snake[i].x == newHeadX && snake[i].y == newHeadY) {
                gameOver = true;
                break;
            }
        }

        if (gameOver) continue;

        if (newHeadX == foodX && newHeadY == foodY) {
            if (length < MAX_LENGTH) {
                for (int i = length; i > 0; i--) {
                    snake[i] = snake[i-1];
                }
                length++;
            }
            snake[0].x = newHeadX;
            snake[0].y = newHeadY;
            score += 10;
            generateFood();
        } else {
            for (int i = length-1; i > 0; i--) {
                snake[i] = snake[i-1];
            }
            snake[0].x = newHeadX;
            snake[0].y = newHeadY;
        }

        clear();
        for (int i = 0; i < WIDTH; i++) {
            mvaddch(0, i, '#');
            mvaddch(HEIGHT-1, i, '#');
        }
        for (int i = 0; i < HEIGHT; i++) {
            mvaddch(i, 0, '#');
            mvaddch(i, WIDTH-1, '#');
        }

        for (int i = 0; i < length; i++) {
            mvaddch(snake[i].y, snake[i].x, 'O');
        }

        mvaddch(foodY, foodX, '*');
        mvprintw(HEIGHT, 2, "Score: %d", score);
        refresh();
        usleep(100000);
    }

    endwin();
    printf("Game Over! Final Score: %d\n", score);
    return 0;
}

Code: Select all

sudo apt-get install libncurses-dev
gcc snake.c -o snake -lncurses
./snake