win下的贪吃蛇模拟小程序

贪吃蛇模拟小程序注意点：

1. 蛇不能出界。

2. 食物不能出界，也不能出现在蛇身上。

1. 单头蛇的模拟： //蛇不能直接后退

[cpp]
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <conio.h>

#define SIZE 21
#define AREA SIZE-1
#define MAXLEN 100
#define SNAKE_MAX_LEN 100
#define ESC 0x1b
#define LEFT_ARROW_KEY 75
#define UP_ARROW_KEY 72
#define RIGHT_ARROW_KEY 77
#define DOWN_ARROW_KEY 80

volatile int food_count = 0;
typedef enum direction{up, down, left, right, logout, none} direction_t;
typedef enum ctlcmd{restart, end} ctlcmd_t;
typedef struct point {
    int x;
    int y;
} point_t;

static point_t food = {-1,-1};

typedef struct snake {
    point_t points[MAXLEN];
    int max_len;
    int cur_len;
    direction_t dir;
} snake_t;

void clearScreen() {
    system("cls");
}

void initSnake(snake_t *snake) {
    int i;
    int x = SIZE >> 1;
    int y = SIZE >> 1;

    snake->cur_len = 3;
    snake->max_len = MAXLEN;

    snake->points[0].x = x;
    snake->points[0].y = y;

    snake->points[1].x = x;
    snake->points[1].y = y+1;

    snake->points[2].x = x;
    snake->points[2].y = y+2;

    for(i=3; i<snake->max_len; i++){
        snake->points[i].x = -1;
        snake->points[i].y = -1;
    }

    snake->dir = up;
}

void initMatrix(char matrix[SIZE][SIZE]) {
    int i=0;
    int j=0;

    for(i=0; i<SIZE; i++) {
        for(j=0; j<SIZE; j++) {
            matrix[i][j] = ' ';

            if(i==0) matrix[i][j] = '-';    //上边界
            if(j==AREA) matrix[i][j]='|';   //右边界
            if(i==AREA) matrix[i][j]='-';   //下边界
            if(j==0) matrix[i][j] = '|';    //左边界
        }
        printf("\n");
    }

}

void getRandomFood(char matrix[SIZE][SIZE], snake_t *snake) {
    int i;
    int x;
    int y;
    int max = AREA - 1;

    srand((unsigned)time(NULL));

    if(food_count == 0)
    {
        do {

            x = rand() % max + 1;
            y = rand() % max + 1;
            for(i=0; i<snake->cur_len; i++) {
                if(x==snake->points[i].x && y==snake->points[i].y) break;
            }
            if(i!=snake->cur_len) continue;
        } while(0);

        food.x = x;
        food.y = y;

        matrix[x][y] = 'X';

        food_count++;
    }

}

void drawSnakeToMatrix(char matrix[SIZE][SIZE], snake_t *snake) {
    int i;
    for(i=0; i<snake->cur_len; i++) {
        matrix[snake->points[i].x][snake->points[i].y]= 'o';
    }

}

void drawMatrix(char matrix[SIZE][SIZE]) {
    int i;
    int j;

    clearScreen();
    for(i=0; i<SIZE; i++) {
        for(j=0; j<SIZE; j++) {
            printf("%c ", matrix[i][j]);
        }
        printf("\n");
    }

    printf("******Game Rules****** \n");
    printf(" 方向: left: a; up: w; right: d; down: s; 或者使用方向键;\n");
    printf("O表示蛇，X表示食物，当没有食物时，说明你胜利了，请按ESC键退出 \n");

}

direction_t changeDirection() {
    char c;
    direction_t dir;

    while(!kbhit());
    c = getch();
    switch (c) {
        case 'a':
        case LEFT_ARROW_KEY:
            dir = left;
            break;

        case 'w':
        case UP_ARROW_KEY:
            dir = up;
            break;

        case 'd':
        case RIGHT_ARROW_KEY:
&nb

补充：软件开发 , 其他 ,