[原创]用C++（TC3.0）做的贪吃蛇游戏---(3)

class Game{//最为关键的游戏类
 public:
  void MainBody();
  void GameInitialize();
  void MapObstacle(Obstacle Ob[],int x);
     void GraphicEnd();
  void Keywaiting();
  bool Continue();
  void PressAnyKey();
};
void Game::GameInitialize(){
  ScreenLayOut P;
  SuperCol Brush;
  int midx,midy,i;
  P.GraphicStart();
  P.ErrorDetect();
  midx=getmaxx()/2;midy=getmaxy()/2;
  Brush.bar2(midx-20*fudu,midy-15*fudu,midx+20*fudu,midy+15*fudu,LIGHTBLUE);
  Brush.bar2(midx-19*fudu,midy-14*fudu,midx+19*fudu,midy+14*fudu,BLACK);
 Brush.printword(midx-16*fudu, midy-19*fudu+5, "Snake",1,0,0,LIGHTGREEN);
 Brush.printword(midx-2*fudu,midy-17*fudu+10,"Made by:EmilMatthew 05/1/16 ",0,0,1,BROWN);
 }
void Game::MapObstacle(Obstacle Ob[],int x){
 SuperCol Brush;
 int i=0;
 int midx=getmaxx()/2,midy=getmaxy()/2;
 for(i=0;i<x;i++){
   if(Ob[i].flag){
   Brush.bar2(midx-19*fudu+Ob[i].x*fudu,midy-14*fudu+Ob[i].y*fudu,
   midx-18*fudu+Ob[i].x*fudu,midy-13*fudu+Ob[i].y*fudu,LIGHTBLUE);
   }
  }

}
void Game::Keywaiting(){
 gotoxy(5,10);
    printf ("Pause");
    while(bioskey(1)==0){;}
    gotoxy(5,10);
    printf("       ");
}
void Game::PressAnyKey(){
 gotoxy(5,10);
 printf("Press any key to continue...\n");
}
bool Game::Continue(){
  //  clrscr();
    char tmp;
 gotoxy(5,10);
 printf("                             ");
 gotoxy(8,11);
 printf("Oh ,you failure\n");
 gotoxy(8,12);
 printf("Try Again?(y/n)\n");
 gotoxy(8,13);
 scanf("%c",&tmp);
 if(tmp=='y')return true;
 else     return false;
}
void Game::MainBody(){
 //Declare Object or Variables
 ScreenLayOut Test;
 Drawhead sDh;
 Drawbody sDb;
 Cleantail   sCt;
 DrawBean dou;
 Obstacle stock[5];
 Bean     douzi;
 int key=0,index=0;
 bool Gotbean=false,check;
 bool KeyPressed=false;//如果按键过快，将出现不改变
 Direction tmdir=Right;
 //Set Start Data;
 Snake w(1,0,Right,NULL);
 Snake b2(2,0,Right,&w);
 Snake b1(3,0,Right,&b2);
 Snake h(4,0,Right,&b1);
 Snake tb1[300];//(0,0,Right,NULL);
 Snake tb2(0,0,Right,NULL);
 randomize();
 stock[0].flag=true;
 stock[0].x=random(22)+5;
 stock[0].y=random(26)+1;
 douzi.flag=true;
 Score=0;
  
    MapObstacle(stock,1);
    
 //Draw First Snake.
 sDh.Draw(h.getx(),h.gety());
 sDb.Draw(b1.getx(),b1.gety());
 sDb.Draw(b2.getx(),b2.gety());
    //Generate Bean.
 h.MakeNewBean(stock,5,douzi);//this interface is not a good one,as I thought
 dou.Draw(douzi.x,douzi.y);
 while(GameStatur==Gaming){
      while(bioskey(1)==0&&GameStatur==Gaming){
        if(Gotbean){
      //1Insert
     h.Insert(&tb1[index]);
    
     sDb.Draw(tb1[index].getx(),tb1[index].gety());

     index++;
     sDh.Draw(h.getx(),h.gety());
     Gotbean=false;
    //Not so perfect.
   //Add random make bean  code etc.
         // w.SetTail();
    h.MakeNewBean(stock,1,douzi);
    dou.Draw(douzi.x,douzi.y);
    }
         else{
    //2bian li
   //At first ,you use this:*tb=&h,of course it just stands for h,
   //can't work as your thought.
    tb2=h;//If you use tb1=h,there will be an error ,because of the shallow copy
    h.Bianlidir();
    h.setdir(tmdir);
    sDh.Draw(h.getx(),h.gety());
    sDb.Draw(tb2.getx(),tb2.gety());
    sCt.Draw(w.getx(),w.gety());
         }
        Delay2(0.15,SecPerFrame);
  //Collision Check
  //Eat self
     if(h.EatSelf())
  {   cout<<"Eat self"<<endl;
   PressAnyKey();
   GameStatur=Failure;
   break;
  }
 //Collision with wall
  if(h.HitWall())
  {   cout<<"Hit Wall"<<endl;
   PressAnyKey();
   GameStatur=Failure;
   break; //Attention here
  }
  //Collision with obstacle
  if(h.HitBrack(stock,1))
  {       cout<<"HitBrack"<<endl;
   PressAnyKey();
   GameStatur=Failure;
   break;
  }
     if(h.GotBean(douzi)){

   Gotbean=true;
  }
  KeyPressed=false;
  }
 //Check key
   key=bioskey(0);
         if(!KeyPressed)
          {switch(key){
    case KeyUp: if(tmdir!=Down){
         tmdir=Up;
           }
         break;
    case KeyDown:if(tmdir!=Up){
         tmdir=Down; }
         break;
    case KeyLeft:if(tmdir!=Right){
          tmdir=Left;}
          break;
    case KeyRight:if(tmdir!=Left){
           tmdir=Right;}
          break;
    case KeyEnter:
     //small KeyWaiting
     Keywaiting();
        break;
    case KeyEsc:
        GameStatur=Exit;
    break;
    default:
    break;
    }
    KeyPressed=true;
    }

 }

 if(GameStatur==Failure)
 {
  check=Continue();
  if(check)GameStatur=Gaming;
  else GameStatur=Exit;
  }
}

void Game::GraphicEnd(){
 ScreenLayOut P;
 P.GraphicEnd();
 }

void main(void){
 //ScreenLayOut Gg;
 Game Director;
 while(GameStatur==Gaming){
  Director.GameInitialize();
  if(GameStatur!=Exit)Director.MainBody();
     Director.GraphicEnd();
 }
 getch();
 }

void Delay2(double Times,float SecPerFrame){
bool Running=true;
double Tmptime=(double)clock()/(double)CLOCKS_PER_SEC;
double caculate=0,delaying=SecPerFrame;
while(Running&&caculate<Times){
   if((Tmptime+delaying)<((double)clock()/(double)CLOCKS_PER_SEC))
   {Tmptime=(double)clock()/(double)CLOCKS_PER_SEC;
   caculate+=delaying;
  }
}
}

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