单一职责原则实现贪吃蛇代码的封装

单一职责原则(SRP),就一个类而言，应该仅有一个引起它
变化的原因。
一个c语言的贪吃蛇代码如何使用单一职责原则封装成c++面向对象呢

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include <windows.h>
#include <conio.h>
#define WIDE  60
#define HIGH  20
//1 设置地图范围(边界) 宽 高
//2 初始化蛇  初始化食物
//3 将蛇和食物显示在屏幕上
//4 蛇的移动(通过wasd按键控制蛇的移动方向)
/*a> 蛇碰到墙b> 蛇碰到蛇的身体c> 蛇碰到障碍物d> 蛇碰到食物( 蛇的身体增长一节,原食物消失,生成新的食物,增加分数)*/
//5 蛇的死亡 积分typedef struct _body
{int x;int y;}BODY;
typedef struct snake
{BODY list[WIDE*HIGH];//身体.身体的每一节坐标都是BODY类型int size;//蛇的身体大小BODY food;//食物的坐标COORD coord;//光标的位置信息int dx;//蛇x轴移动的方向int dy;//蛇y轴移动的方向int score;//得分BODY tail;
}SNAKE;void init_ui()
{for (int i = 0; i <HIGH;i++ ){for (int j = 0; j < WIDE; j++){printf("#");}printf("\n");}}
void init_food(SNAKE  *snake)
{srand(time(NULL));//设置随机数种子//初始化食物坐标snake->food.x =  rand() % WIDE;snake->food.y = rand() % HIGH;
}
void init_snake(SNAKE  *snake)
{//初始化蛇头坐标snake->list[0].x = WIDE / 2;snake->list[0].y = HIGH / 2;//初始化蛇尾坐标snake->list[1].x = WIDE / 2-1;snake->list[1].y = HIGH / 2;//初始化蛇的身体大小snake->size = 2;//初始化食物的坐标init_food(snake);//初始化蛇的移动方向snake->dx = 1;snake->dy = 0;//初始化分数snake->score = 0;}
void show_ui(SNAKE  *snake)
{//显示蛇 注意: 每次显示蛇或食物,都要设置显示的位置,(光标的位置)for (int i = 0; i < snake->size; i++){snake->coord.X = snake->list[i].x;snake->coord.Y = snake->list[i].y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);if (0 == i){printf("@");}else{printf("*");}}//显示食物snake->coord.X = snake->food.x;snake->coord.Y = snake->food.y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf("#");//将原来尾巴的位置显示为空格snake->coord.X = snake->tail.x;snake->coord.Y = snake->tail.y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf(" ");
}
void move_snake(SNAKE  *snake)
{//记录尾巴的坐标snake->tail.x = snake->list[snake->size - 1].x;snake->tail.y = snake->list[snake->size - 1].y;//更新蛇的身体坐标,除蛇头for (int i = snake->size - 1; i > 0; i--){snake->list[i] = snake->list[i-1];//将数组的前一个元素的坐标给后一节}//更新蛇头snake->list[0].x += snake->dx;snake->list[0].y += snake->dy;}
void control_snake(SNAKE  *snake)
{char  key=0;while (_kbhit()) //判断是否按下按键,按下不等于0 {key = _getch();}switch (key){case 'a':snake->dx = -1;snake->dy = 0;break;case 'w':snake->dx = 0;snake->dy = -1;break;case 's':snake->dx = 0;snake->dy = 1;break;case 'd':snake->dx = 1;snake->dy = 0;break;}}
void game_end(SNAKE  *snake)
{snake->coord.X = 25;snake->coord.Y = 25;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf("游戏结束 得分为%d\n",snake->score);Sleep(3000);exit(0);//退出进程}
//咬到自己
void snake_eat_body(SNAKE  *snake)
{//如果蛇头和蛇的身体的任意一节身体坐标相同,则吃到自己身体for (int i = 1; i < snake->size; i++){if (snake->list[0].x == snake->list[i].x &&snake->list[0].y == snake->list[i].y){game_end(snake);}}}
void snake_eat_food(SNAKE  *snake)
{//如果蛇头和食物的坐标重合.则吃到了食物if (snake->list[0].x == snake->food.x &&snake->list[0].y == snake->food.y){//原食物消失,生成新的食物init_food(snake);//蛇的身体增长一节snake->size++;//分数增加if()snake->score += 10;}}
void init_wall()
{for (int i = 0; i <= HIGH; i++){for (int j = 0; j <= WIDE; j++){if (i == HIGH || j == WIDE){printf("+");}else{printf(" ");}}printf("\n");}
}
void start_game(SNAKE  *snake)
{while ( snake->list[0].x <60  && snake->list[0].x >= 0 &&snake->list[0].y <20 && snake->list[0].y >=0){//控制蛇的方向control_snake(snake);//更新蛇的坐标move_snake(snake);//蛇移动//system("cls");//清屏//init_wall();show_ui(snake);//蛇是否碰到自己snake_eat_body(snake);//蛇是否碰到食物-(碰到食物,原食物消失,产生新的食物)snake_eat_food(snake);Sleep(100);//延时0.5s}game_end(snake);}void hide_cur()
{//隐藏控制台光标CONSOLE_CURSOR_INFO  cci;cci.dwSize = sizeof(cci);cci.bVisible = FALSE;SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cci);
}
int main()
{hide_cur();//init_ui();init_wall();//申请蛇的结构体SNAKE  *snake = (SNAKE  *)malloc(sizeof(SNAKE));init_snake(snake);//初始化蛇和食物show_ui(snake);//显示界面信息start_game(snake);//开始游戏system("pause");return 0;
}