C语言实现简单贪吃蛇代码

基本构成

穿墙控制

死亡控制

初始化蛇（init_snake函数）

移动蛇（move_snake函数）

打印蛇（print_snake函数）

利用for循环检测坐标对应的蛇的位置

代码演示

#include <stdio.h>#include <windows.h>#include <conio.h>#include <time.h>//游戏窗口#define FrameX 6 //游戏窗口左上角的X轴坐标#define FrameY 6 //游戏窗口左上角的Y轴坐标#define Frame_height 20 //游戏窗口的高度#define Frame_width 20 //游戏窗口的宽度//定义全局变量int i, j, p, q, temp;int a[2];//用于记住蛇尾坐标，其中a[0]、a[1]分别表示横、竖坐标//声明蛇的结构体struct Snake{int x[100]; //蛇的横坐标，其中x[0]表示蛇尾的横坐标，x[N-1]表示蛇头的横坐标int y[100]; //蛇的竖坐标，其中y[0]表示蛇尾的竖坐标，y[N-1]表示蛇头的竖坐标int count; //蛇吃食物的个数int length; //蛇的长度int speed; //蛇的速度};//声明食物的结构体struct Food{int x;//食物的横坐标int y;//食物的竖坐标};/******光标移到指定位置**************************************************************/void gotoxy(HANDLE hOut, int x, int y){COORD pos;pos.X = x; //横坐标pos.Y = y; //纵坐标SetConsoleCursorPosition(hOut, pos);}/******游戏开始菜单******************************************************************/void menu(){HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);void help();void about();void over_game();void start_game();int n;gotoxy(hOut, 35, 10);printf("开始游戏 [1]");gotoxy(hOut, 35, 13);printf("帮助 [2]");gotoxy(hOut, 35, 16);printf("关于 [3]");gotoxy(hOut, 35, 19);printf("退出游戏 [4]");gotoxy(hOut, 35, 22);printf("选择：");scanf_s("%d", &n);switch (n) {case 1:system("cls");start_game();over_game();break;case 2:system("cls");help();break;case 3:system("cls");about();break;case 4:system("cls");exit(0);break;default:printf("※※您的输入有误，请重新输入※※");system("pause >nul");over_game();menu();break;}}/******帮助菜单******************************************************************/void help(){HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);int m;gotoxy(hOut, 35, 10);printf("↑ up");gotoxy(hOut, 35, 13);printf("↓ down选择：");gotoxy(hOut, 35, 16);printf("← left");gotoxy(hOut, 35, 19);printf("→ right");gotoxy(hOut, 35, 22);printf("空格暂停");gotoxy(hOut, 35, 25);printf("return [1]+enter");gotoxy(hOut, 35, 28);printf("选择：");scanf_s("%d", &m);switch (m){case 1:system("cls");menu();break;}}/******关于******************************************************************/void about(){HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);int a;gotoxy(hOut, 35, 10);printf("Hello World");gotoxy(hOut, 35, 13);printf("This is a eating snake");gotoxy(hOut, 35, 16);printf("Notice:");gotoxy(hOut, 35, 19);printf("Designd by us");gotoxy(hOut, 35, 22);printf("Hello World");gotoxy(hOut, 35, 25);printf("return [1]+enter");gotoxy(hOut, 35, 28);printf("选择：");scanf_s("%d", &a);switch (a){case 1:system("cls");menu();break;}}/******制作游戏窗口******************************************************************/void make_frame(){HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); //定义显示器句柄变量gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 13); //打印选择菜单printf("Esc 退出游戏");gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 15);printf("长按方向键：加速");gotoxy(hOut, FrameX, FrameY); //打印框角printf("╔");gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY);printf("╗");gotoxy(hOut, FrameX, FrameY + Frame_height);printf("╚");gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY + Frame_height);printf("╝");gotoxy(hOut, FrameX + 2 * Frame_width - 26, FrameY + Frame_height - 13);printf("□");gotoxy(hOut, FrameX + 2 * Frame_width - 18, FrameY + Frame_height - 3);printf("□");gotoxy(hOut, FrameX + 2 * Frame_width - 12, FrameY + Frame_height - 8);printf("□");for (i = 2; i < 2 * Frame_width - 2; i += 2){gotoxy(hOut, FrameX + i, FrameY);printf("═"); //打印上横框}for (i = 2; i < 2 * Frame_width - 2; i += 2){gotoxy(hOut, FrameX + i, FrameY + Frame_height);printf("═"); //打印下横框}for (i = 1; i < Frame_height; i++){gotoxy(hOut, FrameX, FrameY + i);printf("║"); //打印左竖框}for (i = 1; i < Frame_height; i++){gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY + i);printf("║"); //打印右竖框}gotoxy(hOut, FrameX + Frame_width - 5, FrameY - 2); //打印游戏名称 printf("贪吃蛇游戏");}/******菜单信息***************************************************************/void print_information(HANDLE hOut, struct Snake* snake, struct Food* food){gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 1);printf("level : %d", snake->count / 5 + 1); //打印游戏等级gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 3);printf("score : %d", 10 * snake->count); //打印游戏得分gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 5);printf("eat food : %d", snake->count); //打印产生食物个数 gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 7);printf("speed : %dms", snake->speed); //打印游戏速度gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 9);printf("foodX : %d", food->x);//打印食物的横坐标gotoxy(hOut, FrameX + 2 * Frame_width + 8, FrameY + 11);printf("foodY : %d", food->y);//打印食物的竖坐标p = snake->count / 5 + 1;q = 10 * snake->count;}/******初始化蛇**********************************************************************/void init_snake(struct Snake* snake){snake->x[0] = FrameX + 2;//初始化蛇的横坐标snake->y[0] = FrameY + Frame_height / 2; //初始化蛇的竖坐标snake->speed = 300;//初始化蛇的速度为300mssnake->length = 3;//初始化蛇的长度为3节snake->count = 0; //初始化蛇吃的个数为0for (i = 1; i < snake->length; i++){/* 依次得到蛇身、蛇头的坐标 */snake->x[i] = snake->x[i - 1] + 2;snake->y[i] = snake->y[i - 1];}}/******移动蛇*************************************************************************/void move_snake(HANDLE hOut, struct Snake* snake){gotoxy(hOut, snake->x[0], snake->y[0]);printf(" "); /* 清除蛇尾*/for (i = 1; i < snake->length; i++){/* 后一节的坐标依次取代前一节的坐标 */snake->x[i - 1] = snake->x[i];snake->y[i - 1] = snake->y[i];}}/******打印蛇*************************************************************************/void print_snake(HANDLE hOut, struct Snake* snake){for (i = 0; i < snake->length; i++){gotoxy(hOut, snake->x[i], snake->y[i]);if (i == 0){printf("○"); //打印蛇尾}else if (i == snake->length - 1){printf("¤"); //打印蛇头}else{printf("⊙"); //打印蛇身}}}/******产生食物*************************************************************************/void get_food(HANDLE hOut, struct Snake* snake, struct Food* food){srand((unsigned)time(NULL)); //初始化随机数while (1){/* 产生食物的条件：1.在游戏窗口内 2.不在蛇的身上 */food->x = rand() % (Frame_width - 1);food->y = rand() % Frame_height;if (food->x == 0 || food->y == 0){continue;}food->x = 2 * food->x + FrameX;//得到食物的横坐标food->y += FrameY; //得到食物的竖坐标for (i = 0; i < snake->length; i++){/* 判断食物是否在蛇的身上，如果在蛇身上，则重新产生；否则，打印蛇身 */if (food->x == snake->x[i] && food->y == snake->y[i]){break;}}if (i == snake->length){gotoxy(hOut, food->x, food->y);if (temp % 2 == 0){printf("●");}else{printf("☆");}temp++;break;}}}/******吃食物***************************************************************************/void eat_food(HANDLE hOut, struct Snake* snake, struct Food* food){if (snake->x[snake->length - 1] == food->x && snake->y[snake->length - 1] == food->y){/* 如果蛇头位置与食物位置相同，吃食物 */snake->length++;//吃一个食物，蛇身增长一节for (i = snake->length - 1; i >= 1; i--){/* 蛇后节坐标依次赋值给蛇前一节的坐标，依次得到蛇身及蛇头的坐标 */snake->x[i] = snake->x[i - 1];snake->y[i] = snake->y[i - 1];}snake->x[0] = a[0];//得到蛇尾移动前的横坐标snake->y[0] = a[1];//得到蛇尾移动前的竖坐标 get_food(hOut, snake, food); //重新产生食物snake->count++; //食物的个数增1if (snake->count % 5 == 0){/* 当蛇吃Up_level个食物时，速度加快Up_speed毫秒并且升一级 */snake->speed -= 50;}}}/******穿墙**********************************************************************************/void through_wall(HANDLE hOut, struct Snake* snake, char ch){if (ch == 72 && snake->y[snake->length - 1] == FrameY){snake->y[snake->length - 1] = FrameY + Frame_height - 1; //如果蛇在上框且向上移动，穿墙}if (ch == 80 && snake->y[snake->length - 1] == FrameY + Frame_height){snake->y[snake->length - 1] = FrameY + 1; //如果蛇在下框且向下移动，穿墙}if (ch == 75 && snake->x[snake->length - 1] == FrameX){snake->x[snake->length - 1] = FrameX + 2 * Frame_width - 4; //如果蛇在左框且向左移动，穿墙}if (ch == 77 && snake->x[snake->length - 1] == FrameX + 2 * Frame_width - 2){snake->x[snake->length - 1] = FrameX + 2; //如果蛇在右框且向右移动，穿墙}}/******判断蛇是否死**************************************************************************/int if_die(struct Snake* snake){/* 当蛇头碰到自身时，蛇死，返回值为0 */for (i = 0; i < snake->length - 1; i++){if (snake->x[snake->length - 1] == snake->x[i] && snake->y[snake->length - 1] == snake->y[i]){return 0;}if (snake->x[snake->length - 1] == FrameX + 2 * Frame_width - 26 && snake->y[snake->length - 1] == FrameY + Frame_height - 13){return 0;}if (snake->x[snake->length - 1] == FrameX + 2 * Frame_width - 18 && snake->y[snake->length - 1] == FrameY + Frame_height - 3){return 0;}if (snake->x[snake->length - 1] == FrameX + 2 * Frame_width - 12 && snake->y[snake->length - 1] == FrameY + Frame_height - 8){return 0;}}return 1;}/******开始游戏*******************************************************************************/void start_game(){unsigned char ch = 77; //定义用于接收键盘输入的字符变量HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); //定义显示器句柄变量struct Snake s, * snake = &s;//定义蛇的结构体指针并指向蛇的结构体struct Food f, * food = &f; //定义食物的结构体指针并指向食物的结构体make_frame(); //制作游戏窗口 init_snake(snake); //初始化蛇get_food(hOut, snake, food);//随机产生食物while (1){print_information(hOut, snake, food); //打印菜单信息a[0] = snake->x[0]; //记住蛇尾的横坐标a[1] = snake->y[0]; //记住蛇尾的竖坐标j = 0;if (_kbhit()){/* 判断是否按下键盘，如果按下，ch接收键盘输入 */ch = _getch();if (_kbhit()){/* 如果长按键盘，则加速 */Sleep(20);j = 1;}}switch (ch){case 72:{/* 向上移动 */move_snake(hOut, snake); //移动蛇snake->y[snake->length - 1] -= 1; //蛇头的竖坐标向上移，即减1break;}case 80:{/* 向下移动 */move_snake(hOut, snake); //移动蛇snake->y[snake->length - 1] += 1; //蛇头的竖坐标向下移，即加1break;}case 75:{/* 向左移动 */move_snake(hOut, snake); //移动蛇snake->x[snake->length - 1] -= 2; //蛇头的横坐标向左移，即减2break;}case 77:{/* 向右移动 */move_snake(hOut, snake); //移动蛇snake->x[snake->length - 1] += 2; //蛇头的横坐标向右移，即加2break;}}through_wall(hOut, snake, ch); //穿墙 eat_food(hOut, snake, food);//吃食物print_snake(hOut, snake);//打印蛇if (if_die(snake) == 0){/* 游戏结束条件：1.蛇碰到自身 2.按Esc键 3.速度为50ms */gotoxy(hOut, FrameX + Frame_width - 2, FrameY + Frame_height / 2 - 1);printf("Game Over");Sleep(2000);break;}if (j == 0){Sleep(snake->speed);//延迟时间}else{Sleep(10);}}}void choose(){HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);void over_game();void start_game();int n;gotoxy(hOut, 10, 20);printf("Continue [1]");gotoxy(hOut, 30, 20);printf("Exit [2]");gotoxy(hOut, 55, 20);printf("选择：");scanf_s("%d", &n);switch (n) {case 1:system("cls");start_game();over_game();break;case 2:exit(0);break;default:printf("※※您的输入有误，请重新输入※※");system("pause >nul");over_game();choose();break;}}/******结束菜单*******************************************************************/void over_game() {HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);system("cls");printf("\n\n\n\n\n\n\n\n\t\t\t\t游戏结束\n\n\n");gotoxy(hOut, 15, 15);printf("level : %d", p);gotoxy(hOut, 35, 15);printf("score : %d", q);choose();system("pause");}void main(){menu();start_game(); //开始游戏over_game(); //结束游戏}