用Visual C++6.0开发的贪吃蛇游戏（含注释）

//============================================================================================== #include<iostream> #include<ctime> #include<windows.h> #include<conio.h> //---------------------------------------------------------------------------------------------- using namespace std; //--------------------------------------------------------------------------------------------- enum Direction { UP, DOWN, LEFT, RIGHT }; typedef struct Snake_Position //保存每一节蛇躯的位置信息，同时保存下一节蛇躯的位置 { int x; int y; struct Snake_Position *next; }Snake_P; typedef struct Snake_Attribution { int length; Direction Dir; }Snake_A; typedef struct Food_Position //保存食物的位置信息 { int x; int y; }Food; //---------------------------------------------------------------------------------------------- Snake_P *head; Snake_A *Attribution; Food *food; int flag=1; int speed=500; //速度 int score=0; //分数 //---------------------------------------------------------------------------------------------- void Hide_Cursor(); void Interface(); void Set_Cursor_Position(int x,int y); //设置光标位置 void Init_Snake(); //初始化蛇躯 void Init_Food();//初始化食物 void KeyBoard(); void Snake_Move();//蛇的行动控制 void show(); //---------------------------------------------------------------------------------------------- int main() { Interface(); while(flag) { KeyBoard(); Snake_Move(); show(); Sleep(speed); } if(flag==0) { Set_Cursor_Position(25,20); cout<<" "; Set_Cursor_Position(25,21); cout<<" GAME OVER!!!"<<endl; system("pause>nul"); } return 0; }//============================================================================================= void Interface() { system("color 4E"); Hide_Cursor(); cout<<"|*|===============================|*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*| |*|\n"; cout<<"|*|===============================|*|\n"; Set_Cursor_Position(10,5); cout<<"按任意键开始游戏！"; system("pause>nul"); Set_Cursor_Position(10,5); cout<<" "; Init_Snake(); Init_Food(); }//--------------------------------------------------------------------------------------------- void Hide_Cursor() //光标隐藏 { HANDLE hCnd=GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_CURSOR_INFO Cursor_Info={1,0}; SetConsoleCursorInfo(hCnd,&Cursor_Info); }//--------------------------------------------------------------------------------------------- void Set_Cursor_Position(int x,int y) //设置光标位置 { HANDLE hOut=GetStdHandle(STD_OUTPUT_HANDLE); COORD pos; pos.X=x; pos.Y=y; SetConsoleCursorPosition(hOut,pos); }//--------------------------------------------------------------------------------------------- void Init_Snake() //初始化蛇躯 { Snake_P *p,*p1,*p2,*p3; char ch=2; Attribution=new Snake_A; Attribution->length=3; Attribution->Dir=RIGHT; p1=new Snake_P; p2=new Snake_P; p3=new Snake_P; head=p1; p1->x=8; p1->y=5; p1->next=p2; p2->x=7; p2->y=5; p2->next=p3; p3->x=6; p3->y=5; p3->next=NULL; p=head; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } }//--------------------------------------------------------------------------------------------- void Init_Food() //初始化食物 { char ch=3; food=new Food; Snake_P *p; p=head; srand((unsigned)time(NULL)); food->x=rand()%31+3; food->y=rand()%15+1; while(p!=NULL) { if( p->x==food->x && p->y==food->y) { food->x=rand()%31+3; food->y=rand()%15+1; } else p=p->next; } Set_Cursor_Position(food->x,food->y); cout<<ch; }//--------------------------------------------------------------------------------------------- void KeyBoard() //蛇的行动控制 { char ch; if(_kbhit()) { ch=getch(); //getch()在conio.h中定义 switch(ch) { case 'W': case 'w': if(Attribution->Dir==DOWN) break; else Attribution->Dir=UP; break; case 'S': case 's': if(Attribution->Dir==UP) break; else Attribution->Dir=DOWN; break; case 'A': case 'a': if(Attribution->Dir==RIGHT) break; else Attribution->Dir=LEFT; break; case 'D': case 'd': if(Attribution->Dir==LEFT) break; else Attribution->Dir=RIGHT; break; case ' ': Set_Cursor_Position(25,20); cout<<"游戏暂停，按任意键恢复！"; Set_Cursor_Position(26,21); cout<<" "; system("pause>nul"); Set_Cursor_Position(25,20); cout<<" ";break; default:break; } } }//--------------------------------------------------------------------------------------------- void Snake_Move() { Snake_P *t,*p,*p1,*p2,*p3; char ch=2; p3=head->next; while(p3) { if(head->x<3 || head->x>33 || head->y<1 || head->y>15) { flag=0; return; } if(head->x==p3->x && head->y==p3->y) { flag=0; return; } else p3=p3->next; } if(Attribution->Dir==UP) { t=new Snake_P; t->x=head->x; t->y=head->y-1; t->next=head; head=t; p1=p2=p=head; if(head->x==food->x && head->y==food->y) { Set_Cursor_Position(food->x,food->y); cout<<" "; if(speed>100) speed=speed-20; score++; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } Init_Food(); } else { while(p2->next!=NULL) { p1=p2; p2=p2->next; } p1->next=NULL; Set_Cursor_Position(p2->x,p2->y); cout<<" "; delete p2; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } } } if(Attribution->Dir==DOWN) { t=new Snake_P; t->x=head->x; t->y=head->y+1; t->next=head; head=t; p1=p2=p=head; if(head->x==food->x && head->y==food->y) { Set_Cursor_Position(food->x,food->y); cout<<" "; if(speed>100) speed=speed-20; score++; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } Init_Food(); } else { while(p2->next!=NULL) { p1=p2; p2=p2->next; } p1->next=NULL; Set_Cursor_Position(p2->x,p2->y); cout<<" "; delete p2; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } } } if(Attribution->Dir==LEFT) { t=new Snake_P; t->x=head->x-1; t->y=head->y; t->next=head; head=t; p1=p2=p=head; if(head->x==food->x && head->y==food->y) { Set_Cursor_Position(food->x,food->y); cout<<" "; if(speed>100) speed=speed-20; score++; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } Init_Food(); } else { while(p2->next!=NULL) { p1=p2; p2=p2->next; } p1->next=NULL; Set_Cursor_Position(p2->x,p2->y); cout<<" "; delete p2; while(p) { Set_Cursor_Position(p->x,p->y); cout<<ch; p=p->next; } } } if(Attribution->Dir==RIGHT) {