linux贪吃蛇代码

Linux贪吃蛇是一个经典的游戏，可以在终端中运行。下面是一个简单的Linux贪吃蛇代码示例：

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>

#define WIDTH 20
#define HEIGHT 10

int x, y; // 蛇头的坐标
int fruitX, fruitY; // 水果的坐标
int score; // 得分
int gameOver; // 游戏结束标志
int tailX[100], tailY[100]; // 蛇身的坐标
int tailLength; // 蛇身长度

enum Direction { STOP = 0, LEFT, RIGHT, UP, DOWN };
enum Direction dir; // 蛇的移动方向

int kbhit() {
    struct termios oldt, newt;
    int ch;
    int oldf;

    tcgetattr(STDIN_FILENO, &oldt);
    newt = oldt;
    newt.c_lflag &= ~(ICANON | ECHO);
    tcsetattr(STDIN_FILENO, TCSANOW, &newt);
    oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
    fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);

    ch = getchar();

    tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
    fcntl(STDIN_FILENO, F_SETFL, oldf);

    if (ch != EOF) {
        ungetc(ch, stdin);
        return 1;
    }

    return 0;
}

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

void draw() {
    system("clear");

    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");
            } else if (i == fruitY && j == fruitX) {
                printf("F");
            } else {
                int isTail = 0;
                for (int k = 0; k < tailLength; k++) {
                    if (tailX[k] == j && tailY[k] == i) {
                        printf("o");
                        isTail = 1;
                    }
                }
                if (!isTail) {
                    printf(" ");
                }
            }

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

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

    printf("Score: %d\n", score);
}

void input() {
    if (kbhit()) {
        switch (getchar()) {
            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;
        }
    }
}

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

    if (x >= WIDTH) {
        x = 0;
    } else if (x < 0) {
        x = WIDTH - 1;
    }

    if (y >= HEIGHT) {
        y = 0;
    } else if (y < 0) {
        y = HEIGHT - 1;
    }

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

    if (x == fruitX && y == fruitY) {
        score += 10;
        fruitX = rand() % WIDTH;
        fruitY = rand() % HEIGHT;
        tailLength++;
    }
}

int main() {
    setup();

    while (!gameOver) {
        draw();
        input();
        logic();
        usleep(100000);
    }

    return 0;
}

这段代码使用C语言编写，通过终端运行。它使用了标准库函数和Linux特定的函数来实现游戏逻辑。游戏中，你可以通过键盘的方向键来控制蛇的移动，目标是吃到水果并尽可能地延长蛇身，同时避免蛇头碰到蛇身或边界。