用c语言写一个贪吃蛇游戏

好的，以下是一个简单的贪吃蛇游戏的C语言代码：

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>

#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77

int length = 1;
int bend_no;
int len;
char key;
void record();
void load();
int life;
void Delay(long double);
void Move();
int Score();
void Print();
void gotoxy(int x, int y);
void Bend();
void Boarder();

struct coordinate {
    int x;
    int y;
    int direction;
};

typedef struct coordinate coordinate;

coordinate head, bend[500], food, body[30];

int main() {
    char key;
    Print();
    system("cls");
    load();
    length = 1;
    head.x = 25;
    head.y = 20;
    head.direction = RIGHT;
    Boarder();
    food.x = 30;
    food.y = 20;
    life = 3;
    bend[0] = head;
    Move();
    return 0;
}

void Move() {
    int a, i;
    do {
        foodrand:
        food.x = rand() % 70;
        if (food.x <= 10) {
            food.x += 11;
        }
        food.y = rand() % 30;
        if (food.y <= 10) {
            food.y += 11;
        }
    } while (food.x == head.x && food.y == head.y);
    system("cls");
    Boarder();
    if (head.direction == RIGHT) {
        gotoxy(head.x, head.y);
        printf(">");
    } else if (head.direction == LEFT) {
        gotoxy(head.x, head.y);
        printf("<");
    } else if (head.direction == UP) {
        gotoxy(head.x, head.y);
        printf("^");
    } else if (head.direction == DOWN) {
        gotoxy(head.x, head.y);
        printf("v");
    }
    for (i = 0; i < length; i++) {
        body[i].x = bend[i].x;
        body[i].y = bend[i].y;
    }
    Bend();
    gotoxy(food.x, food.y);
    printf("*");
    if (head.x == food.x && head.y == food.y) {
        length++;
        life++;
        record();
        goto foodrand;
    }
    for (i = 0; i < bend_no; i++) {
        gotoxy(bend[i].x, bend[i].y);
        printf("O");
    }
    for (i = 0; i < length; i++) {
        gotoxy(body[i].x, body[i].y);
        printf("*");
    }
    Delay(length);
    coordinate prev = head;
    gotoxy(head.x, head.y);
    printf(" ");
    if (head.direction == RIGHT) {
        head.x++;
    } else if (head.direction == LEFT) {
        head.x--;
    } else if (head.direction == UP) {
        head.y--;
    } else if (head.direction == DOWN) {
        head.y++;
    }
    if (head.x >= 70 || head.x <= 10 || head.y >= 30 || head.y <= 10) {
        life--;
        if (life >= 0) {
            head = prev;
            Bend();
        } else {
            system("cls");
            printf("\n\n\n\n\n\n\n\n\n\t\t\t\tGame Over!\n\n\n\n\n\n\n\n\n");
            printf("\t\t\t\tPress any key to quit the game\n\n\n\n\n\n\n\n\n\n");
            exit(0);
        }
    }
}

void Delay(long double k) {
    long double i;
    for (i = 0; i <= 10000000; i++) {
    }
}

void Bend() {
    int i, j, diff;
    for (i = bend_no; i >= 0 && length < 5; i--) {
        if (bend[i].x == bend[i - 1].x) {
            diff = bend[i].y - bend[i - 1].y;
            if (diff < 0) {
                for (j = bend[i].y; j <= bend[i - 1].y; j++) {
                    bend[len].x = bend[i].x;
                    bend[len].y = j;
                    len++;
                    if (len == length) {
                        break;
                    }
                }
            } else {
                for (j = bend[i].y; j >= bend[i - 1].y; j--) {
                    bend[len].x = bend[i].x;
                    bend[len].y = j;
                    len++;
                    if (len == length) {
                        break;
                    }
                }
            }
        } else if (bend[i].y == bend[i - 1].y) {
            diff = bend[i].x - bend[i - 1].x;
            if (diff < 0) {
                for (j = bend[i].x; j <= bend[i - 1].x; j++) {
                    bend[len].x = j;
                    bend[len].y = bend[i].y;
                    len++;
                    if (len == length) {
                        break;
                    }
                }
            } else {
                for (j = bend[i].x; j >= bend[i - 1].x; j--) {
                    bend[len].x = j;
                    bend[len].y = bend[i].y;
                    len++;
                    if (len == length) {
                        break;
                    }
                }
            }
        }
    }
}

void Print() {
    gotoxy(10, 12);
    printf("\t\t\t\t--------------------------");
    gotoxy(10, 30);
    printf("\t\t\t\t--------------------------");
    gotoxy(20, 14);
    printf("WELCOME TO THE GAME 'SNAKE'");
    gotoxy(20, 16);
    printf("Use arrow keys to control the snake");
    gotoxy(20, 18);
    printf("Eat the food to increase the length");
    gotoxy(20, 20);
    printf("Press any key to start the game");
    gotoxy(10, 40);
    printf("\t\t\t\t--------------------------");
    gotoxy(10, 50);
    printf("\t\t\t\t--------------------------");
    getch();
}

void load() {
    int row, col, r, c;
    gotoxy(10, 12);
    printf("Loading...");
    gotoxy(10, 14);
    for (r = 1; r <= 20; r++) {
        for (c = 1; c <= 10000000; c++) {
        }
        printf("%c", 177);
    }
    printf("\n");
}

int Score() {
    int score;
    score = length - 1;
    return score;
}

void record() {
    int sc = Score();
    char plname[20], nplname[20], cha, c;
    FILE* f;
    f = fopen("score.txt", "a+");
    if (f == 0) {
        f = fopen("score.txt", "w+");
        system("cls");
        printf("Please wait while we configure your system files");
        printf("\nPress any key to continue");
        getch();
    }
    system("cls");
    gotoxy(10, 12);
    printf("Enter your name");
    gotoxy(10, 14);
    scanf("%s", plname);
    fprintf(f, "Name: %s\nScore: %d\n", plname, sc);
    gotoxy(10, 15);
    printf("Do you want to see past records? (y/n)");
    cha = getch();
    if (cha == 'y') {
        system("cls");
        rewind(f);
        printf("\t\tSCORES\n");
        while (fscanf(f, "\n%s\n%d\n", nplname, &score) != EOF) {
            printf("\n%s\n%d", nplname, score);
        }
        getch();
    }
    fclose(f);
}

void Boarder() {
    system("cls");
    int i;
    gotoxy(food.x, food.y);
    printf("*");
    gotoxy(10, 10);
    printf("SCORE: %d", Score());
    gotoxy(70, 10);
    printf("Life: %d", life);
    for (i = 10; i < 71; i++) {
        gotoxy(i, 10);
        printf("-");
        gotoxy(i, 30);
        printf("-");
    }
    for (i = 10; i < 31; i++) {
        gotoxy(10, i);
        printf("|");
        gotoxy(70, i);
        printf("|");
    }
}

void gotoxy(int x, int y) {
    COORD coord;
    coord.X = x;
    coord.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}

这是一个基于控制台的简单贪吃蛇游戏，游戏窗口大小为80x40，可以通过修改代码自定义窗口大小和其他游戏参数。