VC编程的小游戏乒乓球

#include<windows.h> int g_nX=50; int g_nY=50; int g_FormWidth=400; int g_FormHeigth=500; int nSpeedX=10; int nSpeedY=10; int g_SkateX=300; int g_SkateY=300; LRESULT CALLBACK WndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam); void DrawBall(HWND hWnd,int g_nX,int g_nY); void DrawbgBall(HWND hWnd,int g_nX,int g_nY); void DrawSkate(HWND hWnd,int g_nX,int g_nY); void DrawbgSkate(HWND hWnd,int g_nX,int g_nY); int _stdcall WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) { WNDCLASSEX wc; wc.cbClsExtra=0; wc.cbWndExtra=0; wc.cbSize=sizeof(WNDCLASSEX); wc.hbrBackground=(HBRUSH)(COLOR_WINDOW+1); wc.hCursor=::LoadCursor(NULL,IDC_ARROW); wc.hIcon=NULL; wc.hIconSm=NULL; wc.hInstance=hInstance; wc.lpfnWndProc=WndProc; wc.lpszClassName="MyApp"; wc.lpszMenuName=NULL; wc.style=CS_HREDRAW|CS_VREDRAW; ::RegisterClassEx(&wc); HWND hWnd=::CreateWindow("MyApp","小球", WS_OVERLAPPEDWINDOW, 0,0, g_FormWidth,g_FormHeigth, NULL,NULL, hInstance, NULL); ::ShowWindow(hWnd,nShowCmd); ::UpdateWindow(hWnd); MSG message; while(::GetMessage(&message,NULL,0,0)) { ::DispatchMessage(&message); } return 0; } LRESULT CALLBACK WndProc(HWND hWnd,UINT message ,WPARAM wParam,LPARAM lParam) { switch(message) { case WM_CREATE: { ::SetTimer(hWnd,1,5,NULL); break; } case WM_TIMER: { DrawbgBall(hWnd,g_nX,g_nY); if(g_nX<0||g_nX>g_FormWidth) nSpeedX*=-1; if(g_nY<0||g_nY>g_FormHeigth)nSpeedY*=-1; if((g_nY<g_SkateY+10&&g_nY>g_SkateY-10)&&(g_nX<g_SkateX+80&&g_nX>g_SkateX-10)) nSpeedY*=-1; g_nX += nSpeedX; g_nY += nSpeedY; DrawBall(hWnd,g_nX,g_nY); DrawSkate(hWnd,g_SkateX,g_SkateY); break; } case WM_KEYDOWN: { int g_SkateSpeedX=10; DrawbgSkate(hWnd,g_SkateX,g_SkateY); int nKeyNode=LOWORD(wParam); switch(nKeyNode) { case 37: if(g_SkateX<=0) { g_SkateX=0; } else g_SkateX-=g_SkateSpeedX; break; case 39: if(g_SkateX>=g_FormWidth-80) g_SkateX =g_FormWidth-80; else g_SkateX+=g_SkateSpeedX; break; } DrawSkate(hWnd,g_SkateX,g_SkateY); break; } case WM_SIZE: DrawBall(hWnd,100,100); break; case WM_DESTROY: ::PostQuitMessage(0); break; default: return DefWindowProc(hWnd,message,wParam,lParam); } return 0; } void DrawBall(HWND hWnd,int g_nX,int g_nY) { HDC hdc=::GetDC(hWnd); //载入图片 HBITMAP hbmp=(HBITMAP)::LoadImage(NULL,"image\\ball.bmp",IMAGE_BITMAP, 0,0,LR_LOADFROMFILE); //创建缓存 HDC hMeDc=::CreateCompatibleDC(hdc); //图片装入缓冲 ::SelectObject (hMeDc,hbmp); ::BitBlt(hdc,g_nX,g_nY,10,10,hMeDc,0,0,SRCCOPY); ::DeleteDC(hMeDc); ::DeleteObject(hbmp); ::ReleaseDC (hWnd,hdc); } void DrawbgBall(HWND hWnd,int g_nX,int g_nY) { HDC hdc=::GetDC(hWnd); //载入图片 HBITMAP hbmp=(HBITMAP)::LoadImage(NULL,"image\\bgball.bmp",IMAGE_BITMAP, 0,0,LR_LOADFROMFILE); //创建缓存 HDC hMeDc=::CreateCompatibleDC(hdc); //图片装入缓冲 ::SelectObject (hMeDc,hbmp); ::BitBlt(hdc,g_nX,g_nY,10,10,hMeDc,0,0,SRCCOPY); ::DeleteDC(hMeDc); ::DeleteObject(hbmp); ::ReleaseDC (hWnd,hdc); } void DrawSkate(HWND hWnd,int g_nX,int g_nY) { HDC hdc=::GetDC(hWnd); //载入图片 HBITMAP hbmp=(HBITMAP)::LoadImage(NULL,"image\\skate.bmp",IMAGE_BITMAP, 0,0,LR_LOADFROMFILE); //创建缓存 HDC hMeDc=::CreateCompatibleDC(hdc); //图片装入缓冲 ::SelectObject (hMeDc,hbmp); ::BitBlt(hdc,g_nX,g_nY,80,10,hMeDc,0,0,SRCCOPY); ::DeleteDC(hMeDc); ::DeleteObject(hbmp); ::ReleaseDC (hWnd,hdc); } void DrawbgSkate(HWND hWnd,int g_nX,int g_nY) { HDC hdc=::GetDC(hWnd); //载入图片 HBITMAP hbmp=(HBITMAP)::LoadImage(NULL,"image\\bgskate.bmp",IMAGE_BITMAP, 0,0,LR_LOADFROMFILE); //创建缓存 HDC hMeDc=::CreateCompatibleDC(hdc); //图片装入缓冲 ::SelectObject (hMeDc,hbmp); ::BitBlt(hdc,g_nX,g_nY,80,10,hMeDc,0,0,SRCCOPY); ::DeleteDC(hMeDc); ::DeleteObject(hbmp); ::ReleaseDC (hWnd,hdc); }