Merry Christmas！能够下雪的程序，绝对唯美！！！

Ak.xuer · 发表于 2011-12-30 21:47:01

看看谢谢分享

涅槃的龙 · 发表于 2011-12-30 21:59:51

好东西，看看，

wang0001000 · 发表于 2012-1-12 10:36:53

就是别太小气代码发出来分享分享

李星 · 发表于 2012-1-12 14:57:33

相当唯美楼主真是不得了啊

大眼鱼 · 发表于 2012-1-14 00:09:36

其实，谷歌首页也能下雪，不需要程序，只需要打let it snow

lsgo · 发表于 2012-1-14 01:53:14

如果是单单几个雪花的话那就不好玩了

carp · 发表于 2012-1-15 15:55:02

看看漂亮不

bafengao · 发表于 2012-1-15 18:23:40

喜欢雪顶顶:lol:lol

liuphillpotts · 发表于 2012-1-15 18:32:18

简约不？？？

liuphillpotts · 发表于 2012-1-15 18:37:58

楼主，源码啊啊，跪求

liuphillpotts · 发表于 2012-1-15 18:40:13

代码中的有注译！
#include<windows.h>
#include<time.h>
#include<stdlib.h>

const 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
int 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;
}
RegisterHotKey(0,0,MOD_CONTROL,(int)'L');
while(1)
{
QueryPerformanceCounter(&StartCt); //执行运算前计数值
if(PeekMessage(&msg,0,0,0,1))
{
switch(msg.message)
{
   case WM_TIMER: TimerProc(0,0,0,0);
      break; //预设风向改变时间已到
   case WM_HOTKEY: KillTimer(0,hTimer);//删除随机风向定时器
      UnregisterHotKey(0,0);//删除退出热键
      InvalidateRect(0,NULL,true);
      exit(1);
      break;
   case WM_DISPLAYCHANGE:
      GetScreenSize(); //重新取屏幕的尺寸
      InitSnowNodes(); //初始化雪点的数组
      break;
}

}
MoveSnowNodes();
QueryPerformanceCounter(&EndCt);//执行运算后的计数值
ElapsedTime=(EndCt.QuadPart-StartCt.QuadPart)/Frequency.QuadPart;
if((ElapsedTime<0.0005))
Sleep(2); //简单限速
else if(ElapsedTime<0.0010)
   Sleep(1);
else if(ElapsedTime<0.0015)
   Sleep(3);

}
//MessageBox(0,TEXT("消息"),TEXT("消息"),MB_OK|MB_ICONINFORMATION);
return 0;
}
void GetScreenSize()
{
ScreenWidth=GetSystemMetrics(SM_CXSCREEN);
ScreenHeight=GetSystemMetrics(SM_CYSCREEN);
return ;
}

void CALLBACK TimerProc(HANDLE hWnd,UINT uMsg,UINT idEvent,DWORD dwTime)
{
// MessageBox(0,TEXT("消息"),TEXT("消息"),MB_OK|MB_ICONINFORMATION);
srand((unsigned)time(NULL));
if(hTimer==0)
{
MessageBox(0,TEXT("创建定时器失败"),TEXT("提示"),MB_OK|MB_ICONINFORMATION);
return ;
}
SetTimer(0,hTimer,((rand()%27+4)*500),(TIMERPROC)TimerProc); //// 重设下次风向改变时间
//修改风向
if(CrWind!=0)
CrWind=0;
else
   CrWind=rand()%3-1;
return ;
}

void InitSnowNodes()
{
HDC hScreenDC=0;
int j=0;
hScreenDC=CreateDC("DISPLAY",NULL,NULL,NULL);
if(hScreenDC==NULL)
{
MessageBox(0,"获取屏幕DC失败!","信息",MB_OK|MB_ICONERROR);
return ;
}
srand((unsigned)time(NULL));
for(j=0;j<SnowNumber;j++)
{
SnowNodes[j].postion.x=rand()%ScreenWidth;
SnowNodes[j].postion.y=rand()%ScreenHeight;
SnowNodes[j].iColor=GetPixel(hScreenDC,SnowNodes[j].postion.x,SnowNodes[j].postion.y);
SnowNodes[j].iSpeed=(rand()%5+1);    //每次下落距离（1-5）
SnowNodes[j].iStick=(30-rand()%SnowNodes[j].iSpeed); //粘贴度（几次循环作一次粘贴连判断

}
DeleteDC(hScreenDC);
}

void MoveSnowNodes()
{
// MessageBox(0,TEXT("消息"),TEXT("消息"),MB_OK|MB_ICONINFORMATION);
HDC hScreenDC=0;
srand((unsigned)time(NULL));
int x=0,y=0,i=0;
hScreenDC=CreateDC("DISPLAY",NULL,NULL,NULL);
if(hScreenDC==NULL)
{
MessageBox(0,"获取屏幕DC失败!","信息",MB_OK|MB_ICONERROR);
return ;
}
TextOut(hScreenDC,0,0,"虽然大检查顺顺藤摸瓜克格勃呀加",0);
for(i=0;i<SnowNumber;i++)
{
//控制雪点下降速度
if((CrStep%SnowNodes[i].iSpeed)!=0)
continue;
//恢复上次被覆盖点
if((GetPixel(hScreenDC,SnowNodes[i].postion.x,SnowNodes[i].postion.y))==0XFFFFFF)
SetPixel(hScreenDC,SnowNodes[i].postion.x,SnowNodes[i].postion.y,SnowNodes[i].iColor);
//根据几向作随机飘落
x=SnowNodes[i].postion.x+rand()%3+CrWind;
y=SnowNodes[i].postion.y+SnowNodes[i].iMove;

//积雪（停留）效果处理
if( ( (CrStep%SnowNodes[i].iStick)==0)
   &&( (GetPixel(hScreenDC,x,y))!=(GetPixel(hScreenDC,x,y+1)))
   &&( (GetPixel(hScreenDC,x-1,y))!=(GetPixel(hScreenDC,x-1,y+1)))
   &&( (GetPixel(hScreenDC,x+1,y))!=GetPixel(hScreenDC,x+1,y+1))
   )
{
//稍稍调整坐标
if(GetPixel(hScreenDC,x,y-1)==GetPixel(hScreenDC,x,y-2))
{
   y--;
}
else
{
   if(GetPixel(hScreenDC,x,y-1)==GetPixel(hScreenDC,x,y-2))
   y++;
   x+=CrWind;
}
//画三个雪花点
SetPixel(hScreenDC,x,y,0XFFFFFF);
SetPixel(hScreenDC,x+1,y+1,0XFFFFFF);
SetPixel(hScreenDC,x-1,y-1,0XFFFFFF);
//重生雪点
SnowNodes[i].postion.x=rand()%ScreenWidth;
SnowNodes[i].postion.y=rand()%10;
SnowNodes[i].iColor=GetPixel(hScreenDC,SnowNodes[i].postion.x,SnowNodes[i].postion.y);

}
else
{
if( (x<0) || (x>ScreenWidth) || (y>ScreenHeight))
{
   SnowNodes[i].postion.x=rand()%10;
   SnowNodes[i].postion.y=rand()%ScreenWidth;
   SnowNodes[i].iColor=GetPixel(hScreenDC,SnowNodes[i].postion.x,SnowNodes[i].postion.y);

}
else
{
   //保存颜色并绘制雪点
   SnowNodes[i].iColor=GetPixel(hScreenDC,x,y);
   SetPixel(hScreenDC,x,y,0XFFFFFF);
   //此时保存新雪点位置
   SnowNodes[i].postion.x=x;
   SnowNodes[i].postion.y=y;
}
}
DeleteDC(hScreenDC);
CrStep++;
}
}

xhbuming · 发表于 2012-1-15 18:54:57

看看哈:lol

583413088 · 发表于 2012-1-15 20:05:45

真滴吗？？？我撒撒

xcking · 发表于 2012-1-15 20:17:53

还真挺好看的，我看看改成Happy new year的

芊芊 · 发表于 2012-2-5 17:18:27

:({:1_1:}{:1_1:}{:1_1:}

这里的夜悄悄 · 发表于 2012-2-5 18:45:46

谢谢楼主分享啊

小军 · 发表于 2012-2-5 19:13:54

看看。。啥东西写的也。。

嗜血灵异狂 · 发表于 2012-2-5 19:52:47

肯定好东西都讲究包装了

isaced · 发表于 2012-2-5 20:48:11

看看！！！！！！！！！

1079629687 · 发表于 2012-2-5 22:35:48

感谢楼主分享

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[吹水] Merry Christmas！能够下雪的程序，绝对唯美！！！