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c program for snake game

Stupid Sloth answered on October 4, 2023 Popularity 6/10 Helpfulness 8/10

answer c program for snake game

c program for snake game

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#include <stdio.h>
#include <stdlib.h>
#include <ncurses.h>
#include <unistd.h>

#define WIDTH 20
#define HEIGHT 10
#define INIT_SIZE 4
#define DELAY 100000

typedef struct {
    int x, y;
} Point;

enum Direction { UP, DOWN, LEFT, RIGHT };

int gameOver;
int score;
int headX, headY;
enum Direction direction;
Point food;
Point tail[WIDTH * HEIGHT];
int tailLength;

void setup();
void draw();
void input();
void logic();

int main() {
    setup();
    while (!gameOver) {
        draw();
        input();
        logic();
        usleep(DELAY); // Sleep for a while to control the game speed
    }
    endwin(); // End ncurses mode
    printf("Game Over! Your score: %d\n", score);
    return 0;
}

void setup() {
    initscr(); // Initialize ncurses
    clear();
    noecho(); // Don't print user input
    cbreak(); // Disable line buffering
    curs_set(0); // Hide the cursor
    keypad(stdscr, TRUE); // Enable special keys (e.g., arrow keys)
    nodelay(stdscr, TRUE); // Non-blocking input
    timeout(0);
    gameOver = 0;
    score = 0;
    headX = WIDTH / 2;
    headY = HEIGHT / 2;
    direction = RIGHT;
    food.x = rand() % WIDTH;
    food.y = rand() % HEIGHT;
    tailLength = INIT_SIZE;
}

void draw() {
    clear();
    
    // Draw borders
    for (int i = 0; i < WIDTH + 2; i++)
        mvprintw(0, i, "#");
    for (int i = 0; i < HEIGHT + 2; i++)
        mvprintw(i, 0, "#");
    for (int i = 0; i < HEIGHT + 2; i++)
        mvprintw(i, WIDTH + 1, "#");
    for (int i = 0; i < WIDTH + 2; i++)
        mvprintw(HEIGHT + 1, i, "#");
    
    // Draw food
    mvprintw(food.y + 1, food.x + 1, "F");
    
    // Draw snake
    for (int i = 0; i < tailLength; i++)
        mvprintw(tail[i].y + 1, tail[i].x + 1, "O");
    
    // Draw the head of the snake
    mvprintw(headY + 1, headX + 1, "X");
    
    // Display score
    mvprintw(HEIGHT + 3, 0, "Score: %d", score);
    
    refresh();
}

void input() {
    int ch = getch();
    switch (ch) {
        case KEY_UP:
            if (direction != DOWN)
                direction = UP;
            break;
        case KEY_DOWN:
            if (direction != UP)
                direction = DOWN;
            break;
        case KEY_LEFT:
            if (direction != RIGHT)
                direction = LEFT;
            break;
        case KEY_RIGHT:
            if (direction != LEFT)
                direction = RIGHT;
            break;
        case 'q':
            gameOver = 1;
            break;
    }
}

void logic() {
    int prevX = tail[0].x;
    int prevY = tail[0].y;
    int prev2X, prev2Y;
    tail[0].x = headX;
    tail[0].y = headY;
    for (int i = 1; i < tailLength; i++) {
        prev2X = tail[i].x;
        prev2Y = tail[i].y;
        tail[i].x = prevX;
        tail[i].y = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }

    switch (direction) {
        case UP:
            headY--;
            break;
        case DOWN:
            headY++;
            break;
        case LEFT:
            headX--;
            break;
        case RIGHT:
            headX++;
            break;
    }

    // Check collision with screen boundaries
    if (headX < 0 || headX >= WIDTH || headY < 0 || headY >= HEIGHT) {
        gameOver = 1;
        return;
    }

    // Check self-collision
    for (int i = 0; i < tailLength; i++) {
        if (tail[i].x == headX && tail[i].y == headY) {
            gameOver = 1;
            return;
        }
    }

    // Check collision with food
    if (headX == food.x && headY == food.y) {
        score += 10;
        food.x = rand() % WIDTH;
        food.y = rand() % HEIGHT;
        tailLength++;
    }
}

Popularity 6/10 Helpfulness 8/10 Language whatever

Source: chat.openai.com

Tags: c whatever

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Contributed on Oct 04 2023

Stupid Sloth

0 Answers Avg Quality 2/10

c program for snake game

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