新建文本文档.txt

贪吃蛇(豆子和蛇都会,变色,边速度)程序

#include<afxwin.h>
#include<time.h>
#include<stdlib.h>
class CMainWnd:public CFrameWnd{
public:
    CMainWnd():uAddX(0),uAddY(0),lpptSNK(NULL),uSNKLong(0),ptBEA(5,5),
        Eat(false),SNKPace(500),BEAPace(4000){
        Create(NULL,"show",WS_OVERLAPPED|WS_SYSMENU|WS_CAPTION,
            CRect(0,0,408,465),NULL,NULL,WS_EX_OVERLAPPEDWINDOW);
    }
    void OnPaint();
    void OnChar(UINT,UINT,UINT);
    void OnTimer(UINT);
    int OnCreate(LPCREATESTRUCT);
    void OnClose();
protected:
    void SNKMove();
    void CreateBEA();
    bool EatIt();
    void Start();
    int uAddX;
    int uAddY;
    bool Eat;
    UINT SNKPace;
    UINT BEAPace;
    CPoint ptBEA;
    CBrush **lpMapBrush;
    UINT uSNKLong;
    CPoint *lpptSNK;
DECLARE_MESSAGE_MAP();
};
BEGIN_MESSAGE_MAP(CMainWnd,CFrameWnd)
     ON_WM_CREATE()
     ON_WM_CLOSE()
     ON_WM_PAINT()
     ON_WM_CHAR()
     ON_WM_TIMER()
END_MESSAGE_MAP()
class CWinMain:public CWinApp{
public:
    virtual BOOL InitInstance(){
        m_pMainWnd=new CMainWnd;
        m_pMainWnd->ShowWindow(SW_SHOW);
        m_pMainWnd->UpdateWindow();
        m_pMainWnd->SetTimer(1,500,NULL);
        m_pMainWnd->SetTimer(2,4000,NULL);
        return TRUE;
    }
}theMain;
void CMainWnd::OnPaint(){
    CDC *pDC=this->GetDC();
    pDC->Rectangle(0,0,400,430);
    pDC->Rectangle(0,0,400,400);
    char cBuffer[100];
    sprintf(cBuffer,"蛇的长度是:%d,蛇的速度是:%d,豆的出现速度是:%d       ",
        uSNKLong,500-SNKPace,4000-BEAPace);
    pDC->TextOut(20,400,cBuffer);
    for(UINT i=0;i<uSNKLong;i++){
        pDC->SelectObject(*(lpMapBrush+(lpptSNK+i)->x)+(lpptSNK+i)->y);
        pDC->Rectangle((lpptSNK+i)->x*20,(lpptSNK+i)->y*20,
            (lpptSNK+i)->x*20+20,(lpptSNK+i)->y*20+20);
    }
    if(!Eat){
        pDC->SelectObject(*(lpMapBrush+ptBEA.x)+ptBEA.y);
        pDC->Ellipse(ptBEA.x*20,ptBEA.y*20, ptBEA.x*20+20,ptBEA.y*20+20);
    }   
 
 
pDC->ReleaseAttribDC();
 ValidateRect(NULL);
}
void CMainWnd::OnTimer(UINT uID){
 if(uID==1)
 SNKMove();
 else if(uID==2)
 CreateBEA();
}
void CMainWnd::OnChar(UINT nChar,UINT,UINT){
 if(nChar=='w'){
 uAddX=0;
 uAddY=-1;
 }
 else if(nChar=='s'){
 uAddX=0;
 uAddY=1;
 }
 else if(nChar=='a'){
 uAddX=-1;
 uAddY=0;
 }
 else if(nChar=='d'){
 uAddX=1;
 uAddY=0;
 }
}
int CMainWnd::OnCreate(LPCREATESTRUCT){
 lpMapBrush=new CBrush*[20];
 for(int i=0;i<20;i++){
 *(lpMapBrush+i)=new CBrush[20];
 for(int j=0;j<20;j++)
 (*(lpMapBrush+i)+j)->
 CreateSolidBrush(RGB(50+i*10-j*8,50+i*10,255-j*10));
 }
 Start();
 return 1;
}
void CMainWnd::OnClose(){
 if(lpptSNK)
 delete[]lpptSNK;
 for(int i=0;i<20;i++)
 delete[]*(lpMapBrush+i);
 delete[]lpMapBrush;
 DestroyWindow();
}
void CMainWnd::Start(){
 if(lpptSNK)
 delete[]lpptSNK;
 lpptSNK=new CPoint[6];
 uAddX=0;
 uAddY=0;
 SNKPace=500;
 BEAPace=4000;
 uSNKLong=6;
 for(int i=1;i<=6;i++)
 *(lpptSNK+i-1)=CPoint(6-i,0);
 InvalidateRect(NULL);
}
bool CMainWnd::EatIt(){
 if(!uAddX&&!uAddY)
 return false;
 for(UINT i=0;i<uSNKLong;i++)
 if((lpptSNK->x+uAddX)==(lpptSNK+i)->x&&
 (lpptSNK->y+uAddY)==(lpptSNK+i)->y)
 return true;
 return false;
}
void CMainWnd::SNKMove(){
 if(uAddX+lpptSNK->x<0||uAddX+lpptSNK->x>=20|| uAddX+lpptSNK->y<0||uAddX+lpptSNK->y>=20||EatIt()){
 if(IDOK==MessageBox("GameOver"))
 Start();
 else
 PostMessage(WM_CLOSE);
 } 
else if(uAddX||uAddY){
 CPoint ptBuffer=*(lpptSNK),ptBuffer2;
 *(lpptSNK)+=CPoint(uAddX,uAddY);
 for(UINT i=1;i<uSNKLong;i++){
 ptBuffer2.x=(lpptSNK+i)->x;
 ptBuffer2.y=(lpptSNK+i)->y;
 (lpptSNK+i)->x=ptBuffer.x;
 (lpptSNK+i)->y=ptBuffer.y;
 ptBuffer.x=ptBuffer2.x;
 ptBuffer.y=ptBuffer2.y;
 }
 if(!Eat)
 if(*(lpptSNK)==ptBEA){
 Eat=true;
 uSNKLong+=1;
 CPoint *lpptOldSNK=lpptSNK;
 lpptSNK=new CPoint[uSNKLong];
 *(lpptSNK+uSNKLong-1)=ptBuffer;
 for(UINT j=0;j<uSNKLong-1;j++)
 *(lpptSNK+j)=*(lpptOldSNK+j);
 SNKPace-=10;
 BEAPace-=90;
 SetTimer(1,SNKPace,NULL);
 SetTimer(2,BEAPace,NULL);
 }
 }
 InvalidateRect(NULL);
}
void CMainWnd::CreateBEA(){
 if(Eat){
 srand((unsigned)time(0));
 CPoint ptBuffer;
 bool beaTrue=true;
 for(int i=0;i<10;i++){
 ptBuffer.x=rand()%20;
 ptBuffer.y=rand()%20;
 for(UINT j=0;j<uSNKLong;j++)
 if(ptBuffer==*(lpptSNK+j)){
 beaTrue=false;
 break;
 }
 if(beaTrue){
 ptBEA.y=ptBuffer.y;
 ptBEA.x=ptBuffer.x;
 Eat=false;
 break;
 }
 }
 InvalidateRect(NULL);
 }
}