1. 源代码

#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable:4996)
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<windows.h>
#include<time.h>
#include<conio.h>
#define High 20
#define Wide 60
int speed = 0;  //定义一个全局变量控制小蛇蛇的速度
char name[100] = "游客选手"; //用户名称
void Snake_Menu()
{COORD pos;pos.X = 50;pos.Y = 10;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);printf("Dxs版贪吃蛇\n\n\n");printf("\t\t\t\t\t         请选择游戏难度:\n\n");printf("\t\t\t\t\t       简单模式请按键盘'1'\n\n");printf("\t\t\t\t\t       困难模式请按键盘'2'\n\n");printf("\t\t\t\t\t       噩梦模式请按键盘'3'\n\n");printf("\t\t\t\t\t       注册用户请按键盘'4'\n\n");printf("\t\t\t\t\t       退出游戏请按ESC键！\n");
}
void Register()
{system("cls");COORD pos;pos.X = 50;pos.Y = 10;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);printf("Dxs版贪吃蛇\n\n\n");printf("\t\t\t\t\t         请输入用户名称:");scanf("%s", name);printf("注册成功!请按任意键返回游戏！\n");char ch = _getch();system("cls");
}
void Draw_map()
{printf("\t\t\t贪吃蛇小游戏\n");for (int i = 0; i <= High; i++){for (int j = 0; j <= Wide; j++){if (i==0||j==0||i== High || j == Wide){printf("&");}else {printf(" ");}		}if (i == 5){printf("   作者：Dxs 日期：2019-8-3");}if (i == 6){printf("   游戏按键提示如下：");}if (i == 7){printf("   上:w W ↑ 8");}if (i == 8){printf("   下:s S ↓ 2");}if (i == 9){printf("   左:a A ← 4");}if (i == 10){printf("   右:d D → 6");}if (i == 11){printf("   暂停：space(空格键)");}printf("\n");}
}
typedef struct body
{int x;int y;
}BODY;
typedef struct Snake
{BODY list[Wide*High];int size;BODY food;int dx;int dy;int score;COORD coord;//光标信息BODY tail;
}Snake;
void init_food(Snake *snake)    //食物初始化
{srand((unsigned int)time(NULL));snake->food.x = rand() % (Wide-2)+1;snake->food.y = rand() % (High-2)+2;
}
void init_snake(Snake *snake)
{//蛇头初始化snake->list[0].x = Wide / 2;snake->list[0].y = High / 2;//蛇尾初始化snake->list[1].x = Wide / 2-1;snake->list[1].y = High / 2;//初始化蛇的大小snake->size = 2;snake->score = 0;snake->dx = 1;snake->dy = 0;init_food(snake);
}
//移动光标
void test()
{COORD pos;pos.X = 20;pos.Y = 30;//设置光标的位置SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
}//隐藏光标
void hide_cur()
{//隐藏控制台的光标CONSOLE_CURSOR_INFO cci;cci.dwSize = sizeof(cci);cci.bVisible = FALSE;SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cci);
}//4.打印蛇和食物
void Show_ui(Snake *snake)
{for (int i = 0; i < snake->size; i++){//把蛇的位置坐标给光标的位置snake->coord.X = snake->list[i].x;snake->coord.Y = snake->list[i].y;//移动光标SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);if (i == 0){printf("@");}else{printf("*");}}//显示食物//把食物的坐标给光标snake->coord.X = snake->food.x;snake->coord.Y = snake->food.y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf("$");//将原来的蛇尾打印为空。snake->coord.X = snake->tail.x;snake->coord.Y = snake->tail.y;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf(" ");
}//移动蛇
void move_snake(Snake *snake)
{//记录蛇尾的坐标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，除蛇头外for (int i = snake->size - 1; i > 0; i--){//原来蛇头的位置赋值给蛇身，前面的蛇身位置赋值给后面的蛇身snake->list[i] = snake->list[i - 1];}//更新蛇头的位置snake->list[0].x += snake->dx;snake->list[0].y += snake->dy;
}void Eat_food(Snake * snake)
{if (snake->list[0].x == snake->food.x&&snake->list[0].y == snake->food.y){init_food(snake);snake->size += 1;//分数增加snake->score += 100;}
}
char key2 = 0;   //存储上一个按键值，通过两次按键比较防止小蛇可以反身撞击自己
void control_snake(Snake * snake)
{char key = 0;COORD pos;if (_kbhit()){key = _getch();switch (key){case 'w':case 'W':case '8':case 72:if (key2 == 's' || key2 == 'S' || key2 == 80||key2=='2'){break;}else{snake->dx = 0;snake->dy = -1;key2 = key;}break;case 's':case 'S':case '2':case 80:if (key2 == 'w' || key2 == 'W' || key2 == 72||key2=='8'){break;}else{snake->dx = 0;snake->dy = 1;key2 = key;}break;case 'a':case 'A':case '4':case 75:if (key2 == 'd' || key2 == 'D' || key2 == 77||key2=='6'){break;}else{snake->dx = -1;snake->dy = 0;key2 = key;}break;case 'd':case 'D':case '6':case 77:if (key2 == 'a' || key2 == 'A' || key2 == 75||key2=='4'){break;}else{snake->dx = 1;snake->dy = 0;key2 = key;}break;case 32:pos.X = Wide/2-10;pos.Y = High/2;//设置光标的位置SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);printf("游戏暂停！任意键继续！\n");_getch();system("cls");Draw_map();break;default:break;}}}
//游戏结束
void game_over(Snake * snake)
{snake->coord.X = 0;snake->coord.Y = 10;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), snake->coord);printf("            ####         #       ##     ##   ######         #####    #       #   ######   #######     ##\n""          ##            # #      ##     ##   #             #     #    #     #    #        #     ##    ##\n""          ##  ####     #####     # #   # #   ######        #     #     #   #     ######   # ##        ##\n""          ##    ##    #     #    #  # #  #   #             #     #      # #      #        #   ##        \n""           ######    #       #   #   #   #   ######         #####        #       ######   #     ##    ##\n");printf("\n\n\t\t您的分数为：%d分", snake->score);Sleep(10000);exit(0);
}
//蛇是否碰到自己
void snake_eat_body(Snake *snake)
{//如果蛇头碰到蛇身的任何一个，都算碰到自己，游戏结束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){//游戏结束system("cls");game_over(snake);}}
}
void CurrentScoreAndUser(Snake* snake)
{COORD pos;pos.X = 64;pos.Y = 2;//设置光标的位置SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);printf("当前得分:%d\n", snake->score);pos.X = 64;pos.Y = 3;SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);printf("当前用户:%s\n", name);
}//5.游戏业务逻辑
void start_game(Snake *snake)
{init_snake(snake);move_snake(snake);Show_ui(snake);while (snake->list[0].x < Wide&&snake->list[0].y < High&&snake->list[0].x>=1&&snake->list[0].y>=2){//1.控制蛇的方向control_snake(snake);//2。蛇移动，是不断的改变蛇的坐标和打印蛇move_snake(snake);Show_ui(snake);//更新蛇的坐标//打印蛇//3.蛇是否碰到自己snake_eat_body(snake);//4.蛇是否碰到食物（食物消失，产生新的事物）Eat_food(snake);CurrentScoreAndUser(snake);Sleep(speed);//控制蛇的速度}system("cls");game_over(snake);
}
int main(void)
{Loop:Loop2:hide_cur();Snake_Menu();char ss = _getch();switch (ss){case '1':speed = 800;system("cls");break;case '2':speed = 400;system("cls");break;case '3':speed = 80;system("cls");break;case '4':Register();goto Loop2;system("cls");break;case 27:exit(0);break;default:printf("输入错误，请重新输入！");Sleep(2000);goto Loop;break;}Draw_map();//2.申请蛇的结构体空间Snake *snake = (Snake *)malloc(sizeof(Snake));start_game(snake);printf("\n");system("pause");return 0;
}

2. 结果展示