TanChiShe.zip_C++ tanchishe_c++tanchishe_tanchishe_tanchishe c++

#include <iostream.h> #include <windows.h> #include <stdlib.h> #include <conio.h> #include <time.h> //使用当前时间做种子; enum dir{up,down,left,right}; //枚举类型enum dir; //围墙; class Fence{ public: void InitFence(); void OutputF(); public: char game[20][20]; }f; //定义对象; //画框框; void Fence::InitFence(){ for(int i=0; i<20; i++) for(int j=0; j<20; j++){ if(i==0||i==19||j==0||j==19) game[i][j]= '*'; else game[i][j]= ' '; } } //显示框框; void Fence::OutputF(){ for(int i=0; i<20; i++){ for(int j=0; j<20; j++) cout<<game[i][j]<<' '; cout<<endl; } } //蛇结点; class SnakeNode{ private: int x,y; SnakeNode *prior,*next; public: void add_head(int x,int y); int get_x(); int get_y(); void delete_tail(); }*head=NULL, *tail =NULL; //插入头结点; void SnakeNode::add_head(int x,int y){ SnakeNode *q=new SnakeNode; q->x =x; q->y =y; q->next =head; q->prior =NULL; if(head) head->prior =q; head =q; if(!tail) tail =head; f.game[x][y]= '*'; //f对象可以在定义Fence类时定义; 且Fence类在SnakeNode类前定义; } int SnakeNode::get_x(){ return x; } int SnakeNode::get_y(){ return y; } //删除尾结点; void SnakeNode::delete_tail(){ SnakeNode *p =tail; f.game[tail->get_x()][tail->get_y()]= ' ';//把尾结点的坐标表示的'*'置为空格; if(tail==head) tail= head= NULL; else{ tail= tail->prior; tail->next= NULL; } delete p; } //move移动; class move{ public: dir point; //枚举变量point: 控制方向; int food_x; int food_y; public: void moving(); void change_point(char); //改变方向; void get_food(); }; void move::moving(){ int a,b; a= head->get_x(); //取得头结点横坐标 b= head->get_y(); //头结点纵坐标 switch(point){ case up: --a; break; case down: ++a; break; case left: --b; break; case right: ++b; break; } if(a==19||b==19||a==0||b==0){ //判断是否撞墙; cout<<"game over!!!"<<endl; exit(0); } if(a==food_x && b==food_y){ //吃food; head->add_head(a,b); get_food(); } else{ head->add_head(a,b); //插入头结点; head->delete_tail(); //删除尾结点; } } void move::change_point(char keydown){ switch(keydown){ case 'w': point= up; break; case 's': point= down; break; case 'a': point= left; break; case 'd': point= right; break; } } void move::get_food(){ srand((unsigned int) time(NULL)); //做种子(程序运行时间); food_x= rand()%18+1; food_y= rand()%18+1; f.game[food_x][food_y]= '*'; } //main(); int main(){ cout<<"Using 'w,s,a,d'to control direction!!!\n\n\n"; //画框框和小蛇; move m; f.InitFence(); head->add_head(4,3); head->add_head(4,4); head->add_head(4,5); m.get_food(); f.OutputF(); while (true){ char keydown= getch(); //getch()返回键盘上读取的字符;包含头文件<conio.h> m.change_point(keydown); while(!kbhit()){ //判断有没有按键落下; system("cls"); //清屏函数; m.moving(); f.OutputF(); Sleep(200); } } return 0; }