#include〈windows.h〉

#include〈time.h〉

#include〈stdlib.h〉

#include〈iostream.h〉

const int SnowNumber=500; //雪点数量

struct SnowNode

{

POINT postion; //雪点位置

int iColor; //先前的颜色

int iSpeed; //下落速度

int iMove; //下落距离

int iStick; //粘贴度

};

SnowNode SnowNodes[SnowNumber]; //雪点数组

int hTimer=0;

int CrWind=0;

int CrStep=0; //当前循环步数(用于限速)

int ScreenWidth=0; //屏幕宽度

int ScreenHeight=0; //屏幕高度

void GetScreenSize();

void CALLBACK TimerProc(HANDLE hWnd,UINT uMsg,UINT idEvent,DWORD dwTime);

void InitSnowNodes();

void MoveSnowNodes();

int WINAPI WinMain(HINSTANCE hInstance,

HINSTANCE hPrevInstance,

LPSTR lpCmdLine,

int nCmdShow

)

{

MSG msg; //标准windows消息

LARGE_INTEGER Frequency; //高性能定时器频率

LARGE_INTEGER StartCt,EndCt;//高性能定时器计数

float ElapsedTime; //时间间隔

srand((unsigned)time(NULL));

GetScreenSize();

InitSnowNodes();

QueryPerformanceFrequency(&Frequency);

hTimer=SetTimer(0,0,rand()%5*500,(TIMERPROC)TimerProc);

if(hTimer==0)

{

MessageBox(0,TEXT(“创建定时器失败“),TEXT(“提示“),MB_OK|MB_ICONINFORMATION);

return -1;

}

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