#include"CGameMain.h"
extern bool g_bLDown;
CGameMain::CGameMain()
{
    m_pGraph=new CGraphic;
}
CGameMain::~CGameMain()
{
    delete m_pGraph;
    m_pGraph=NULL;
}
void CGameMain::GameInit(HWND hWnd)   //游戏初始化
{
    m_pGraph->InitDirectDraw(hWnd,true,800,600,32);
    m_pGraph->LoadToOffScreen(m_pBImage[0],800,600,"30.bmp",false,RGB(0,255,0));
    m_pGraph->LoadToOffScreen(m_pBImage[1],0,0,"64.bmp",true,RGB(255,0,0));
    ::ShowCursor(FALSE);
}
void CGameMain::Render()   //游戏宣染
{
    ::GetCursorPos(&m_MPos);
    SetRect(&m_rect,0,0,800,600);
    m_pGraph->BltBBuffer(m_pBImage[1],true,m_MPos.x,m_MPos.y,m_rect);
    m_pGraph->Flip();
}
void CGameMain::SetMouseRect(RECT* m_rect,int scWidth,int scHeight,int msWidth,int msHeight)
{
    int mouseX,mouseY;
    if(m_MPos.x>scWidth-msWidth)
    {
        mouseX=scWidth-m_MPos.x;
    }
    else
    {
        mouseX=msWidth;
    }
    if(m_MPos.y>scHeight-msHeight)
    {
        mouseY=scHeight-m_MPos.y;
    }
    else
    {
        mouseY=msHeight;
    }
    SetRect(m_rect,0,0,mouseX,mouseY);
}
 这是一个简单游戏开始时的图形页面，在WINMAIN函数下加在什么地方好呢，我加在显示窗口函数后，不行，加在更新窗口函数下也不行的，