【小游戏】C++手工制作贪吃蛇

//#include<stdio.h>//键盘敲击#include <conio.h>//屏幕渲染周期，clock函数#include <time.h>//#include <stdlib.h> //刷新周期，控制游戏速度#define Period 100//地图宽度#define _width 25//地图高度#define _height 18//点 结构typedef struct point{int x;int y;};//----------------全局变量----------------//地图数组char g_map[_height][_width];//蛇长度，初始化为两个int g_snakeLen = 2;//蛇：一系列点struct point g_snake[(_width - 1)*(_height - 1)] = { { _height / 2, _width / 2 }, { 1, 1 } };//食物坐标struct point g_food;//----------------函数声明----------------//欢迎界面void Welcome();//置字符void SetChars();//设置食物void ResetFood();//处理蛇移动int JugeSnake(char c);//空格填充void Padding(int =0);//--------------------------------------int main(){//当前时间，上一次刷新时间，单位为ms（毫秒）long timeNow, timeLast = 0;int i, j,//计数变量keyLast = 'd',keyNow = 'd';//显示欢迎界面Welcome();//置随机数种子srand((unsigned)time(NULL));//初始化食物位置ResetFood();do{//***********************渲染开始***********************//获取当前时间timeNow = clock();//判断是否满足刷新条件if (timeNow - timeLast >= Period){//记录本次刷新时间timeLast = clock();//清屏system("cls");//1. 显示图像//----------------初始化地图界面----------------for (i = 0; i<_height; i++){for (j = 0; j<_width; j++){g_map[i][j] = ' ';if (i == 0 || i == _height - 1 || j == 0 || j == _width - 1)g_map[i][j] = '*';}}//----------------初始化地图界面----------------//空格填充Padding(-10);printf("----------当前长度%d，已游戏时间%ds-----------\n", g_snakeLen, timeNow / 1000);int resJuge = JugeSnake(keyLast);//此处若用switch，则不能跳出最外层的do-while循环//为了避免用goto语句，所以用if-else处理juge结果if (resJuge == 0){printf("游戏结束!");break;}else if (resJuge == 2){printf("恭喜你打穿游戏了!");break;}SetChars();for (i = 0; i<_height; i++){//空格填充Padding();for (j = 0; j<_width; j++){printf("%c", g_map[i][j]);}if (i<_height - 1)printf("\n");}}//2. 处理键盘事件if (kbhit() == 1){//keyNow = getch();if (keyNow == 'd'&&keyLast == 'a')keyLast = 'a';else if (keyNow == 'a'&&keyLast == 'd')keyLast = 'd';else if (keyNow == 'w'&&keyLast == 's')keyLast = 's';else if (keyNow == 's'&&keyLast == 'w')keyLast = 'w';else{keyLast = keyNow;}}//***********************渲染结束***********************} while (1);system("pause");}////判断 蛇的移动 并 处理 移动效果//int JugeSnake(char c){int i;int x, y;//目标位置struct point last;last = g_snake[g_snakeLen - 1];//记录移动前的尾巴位置x = g_snake[0].x;y = g_snake[0].y;switch (c){case 'w':case 'W':x--;break;case 's':case 'S':x++;break;case 'a':case 'A':y--;break;case 'd':case 'D':y++;break;}//在这里说明移动成功了if (x <= 0 || x >= _height - 1)return 0;if (y <= 0 || y >= _width - 1)return 0;for (i = g_snakeLen - 1; i>0; i--)//除头以外都移动g_snake[i] = g_snake[i - 1];//动完之后判断目标位置和移动后的躯体是否重合for (i = 1; i<g_snakeLen; i++){if (g_snake[i].x == x&&g_snake[i].y == y)return 0;//重合就撞了，撞了就GG了}//没GG。。。g_snake[0].x = x;g_snake[0].y = y;if (g_snake[0].x == g_food.x &&g_snake[0].y == g_food.y)//卧槽吃到食物了{g_snakeLen++;g_snake[g_snakeLen - 1] = last;ResetFood();}if (g_snakeLen == (_width - 1)*(_height - 1))return 2;return 1;}////设置蛇的字和食物字符//void SetChars(){int i;g_map[g_snake[0].x][g_snake[0].y] = 'M';for (i = 1; i<g_snakeLen; i++)g_map[g_snake[i].x][g_snake[i].y] = 'm';g_map[g_food.x][g_food.y] = 'O';}////重置食物位置//void ResetFood(){do{g_food.x = rand() % _height;g_food.y = rand() % _width;} while (g_food.x == 0 || g_food.x == _height - 1 || g_food.y == 0 || g_food.y == _width - 1);}////欢迎界面//void Welcome(){Padding(-10);printf("欢迎来到贪吃世界！\n");Padding(-10);printf("上下左右为wsad键(请调整输入法)，感受这款经典游戏带来的快感吧！\n");Padding(-10);printf("                           长沙理工大学 何健伟 QQ：296036136\n");system("pause");}////显示一定数量的空格//参数1：相对偏移void Padding(int shift){int total=20;total+=shift;for(int i=0;i<total;i++){putchar(' ');}}