黑客帝國數字雨後果VC6源代碼分享。本站提示廣大學習愛好者：（黑客帝國數字雨後果VC6源代碼分享）文章只能為提供參考，不一定能成為您想要的結果。以下是黑客帝國數字雨後果VC6源代碼分享正文
很不錯的後果 這個在Win7 X64 VC6編譯經由過程~~
代碼原作者不詳。
#include <windows.h>
#define ID_TIMER 1
#define STRMAXLEN 25 //一個顯示列的最年夜長度
#define STRMINLEN 8 //一個顯示列的最小長度
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
typedef struct tagCharChain //全部看成屏幕的一個顯示列,這是個雙向列表
{
struct tagCharChain *prev; //鏈表的前個元素
TCHAR ch; //一個顯示列中的一個字符
struct tagCharChain *next; //鏈表的後個元素
}CharChain, *pCharChain;
typedef struct tagCharColumn
{
CharChain *head, *current, *point;
int x, y, iStrLen; //顯示列的開端顯示的x,y坐標,iStrLen是這個列的長度
int iStopTimes, iMustStopTimes; //曾經停止的次數和必需停止的次數,必需停止的次數是隨機的
}CharColumn, *pCharColumn;
int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("matrix") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if(!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("此法式必需運轉在NT下!"), szAppName, MB_ICONERROR) ;
return 0;
}
hwnd = CreateWindow (szAppName, NULL,
WS_DLGFRAME | WS_THICKFRAME | WS_POPUP,
0, 0,
GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
NULL, NULL, hInstance,
NULL) ;
ShowWindow (hwnd, SW_SHOWMAXIMIZED) ; //最年夜化顯示
UpdateWindow (hwnd) ;
ShowCursor(FALSE); //隱蔽鼠標光標
srand ((int) GetCurrentTime ()) ; //初始化隨機數產生器
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
ShowCursor(TRUE); //顯示鼠標光標
return msg.wParam ;
}
TCHAR randomChar() //隨機字符發生函數
{
return (TCHAR)(rand()%(126-33)+33); //33到126之間
}
int init(CharColumn *cc, int cyScreen, int x) //初始化
{
int j;
cc->iStrLen = rand()%(STRMAXLEN-STRMINLEN) + STRMINLEN; //顯示列的長度
cc->x = x+3 ; //顯示列的開端顯示的x坐標
cc->y =rand()%3?rand()%cyScreen:0; //顯示列的開端顯示的y坐標
cc->iMustStopTimes = rand()%6 ;
cc->iStopTimes = 0 ;
cc->head = cc->current =
(pCharChain)calloc(cc->iStrLen, sizeof(CharChain)); //生成顯示列
for(j=0; j<cc->iStrLen-1; j++)
{
cc->current->prev = cc->point; //cc->point一個顯示列的前個元素
cc->current->ch = '';
cc->current->next = cc->current+1; //cc->current+1一個顯示列的後個元素
cc->point = cc->current++; //cc->point = cc->current; cc->current++;
}
cc->current->prev = cc->point; //最初一個節點
cc->current->ch = '';
cc->current->next = cc->head;
cc->head->prev = cc->current; //頭節點的前一個為此鏈的最初一個元素
cc->current = cc->point = cc->head; //free失落請求的內存要用current當參數
cc->head->ch = randomChar(); // 對鏈表頭的 元素填充
return 0;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
//ctn 用來肯定一個顯示鏈能否 向下進步,假如期待次數跨越必需期待的次數,ctn就代表要向下進步
int i, j, temp, ctn; //j為一個顯示鏈中除鏈表頭外的在屏幕上顯示的y坐標,temp綠色過度到黑色之用
static HDC hdcMem;
HFONT hFont;
static HBITMAP hBitmap;
static int cxScreen, cyScreen; //屏幕的寬度 高度.
static int iFontWidth=10, iFontHeight=15, iColumnCount; //字體的寬度 高度, 列數
static CharColumn *ccChain;
switch (message)
{
case WM_CREATE:
cxScreen = GetSystemMetrics(SM_CXSCREEN) ; //屏幕寬度
cyScreen = GetSystemMetrics(SM_CYSCREEN) ;
SetTimer (hwnd, ID_TIMER, 10, NULL) ;
hdc = GetDC(hwnd);
hdcMem = CreateCompatibleDC(hdc);
hBitmap = CreateCompatibleBitmap(hdc, cxScreen, cyScreen);
SelectObject(hdcMem, hBitmap);
ReleaseDC(hwnd, hdc);
//創立字體
hFont = CreateFont(iFontHeight, iFontWidth-5, 0, 0, FW_BOLD, 0, 0, 0,
DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DRAFT_QUALITY, FIXED_PITCH | FF_SWISS, TEXT("Fixedsys"));
SelectObject(hdcMem, hFont);
DeleteObject (hFont) ;
SetBkMode(hdcMem, TRANSPARENT); //設置配景形式為 通明
iColumnCount = cxScreen/(iFontWidth*3/2); //屏幕所顯示字母雨的列數
ccChain = (pCharColumn)calloc(iColumnCount, sizeof(CharColumn));
for(i=0; i<iColumnCount; i++)
{
init(ccChain+i, cyScreen, (iFontWidth*3/2)*i);
}
return 0 ;
case WM_TIMER:
hdc = GetDC(hwnd);
PatBlt (hdcMem, 0, 0, cxScreen, cyScreen, BLACKNESS) ; //將內存裝備映像刷成黑色
for(i=0; i<iColumnCount; i++)
{
ctn = (ccChain+i)->iStopTimes++ > (ccChain+i)->iMustStopTimes;
//
(ccChain+i)->point = (ccChain+i)->head; //point用於遍歷全部顯示列
//第一個字符顯示為 白色
SetTextColor(hdcMem, RGB(255, 255, 255));
TextOut(hdcMem, (ccChain+i)->x, (ccChain+i)->y, &((ccChain+i)->point->ch), 1);
j = (ccChain+i)->y;
(ccChain+i)->point = (ccChain+i)->point->next;
//遍歷全部顯示列,將這個顯示列裡的字符從下往上顯示
temp = 0 ; //temp綠色過度到黑色之用
while((ccChain+i)->point != (ccChain+i)->head && (ccChain+i)->point->ch)
{
SetTextColor(hdcMem, RGB(0, 255-(255*(temp++)/(ccChain+i)->iStrLen), 0));
TextOut(hdcMem, (ccChain+i)->x, j-=iFontHeight, &((ccChain+i)->point->ch), 1);
(ccChain+i)->point = (ccChain+i)->point->next;
}
if(ctn)
(ccChain+i)->iStopTimes = 0 ;
else continue;
(ccChain+i)->y += iFontHeight; //下次開端顯示的y坐標 為以後的y坐標加上 一個字符的高度
//假如開端顯示的y坐標減去 全部顯示列的長度跨越了屏幕的高度
if( (ccChain+i)->y-(ccChain+i)->iStrLen*iFontHeight > cyScreen)
{
free( (ccChain+i)->current );
init(ccChain+i, cyScreen, (iFontWidth*3/2)*i);
}
//鏈表的頭 為此鏈表的前個元素,由於下次開端顯示的時刻 就相當與在全部顯示列的開首添加個元素,然後在開端往上顯示
(ccChain+i)->head = (ccChain+i)->head->prev;
(ccChain+i)->head->ch = randomChar();
}
BitBlt(hdc, 0, 0, cxScreen, cyScreen, hdcMem, 0, 0, SRCCOPY);
ReleaseDC(hwnd, hdc);
return 0;
case WM_RBUTTONDOWN:
KillTimer (hwnd, ID_TIMER) ;
return 0;
case WM_RBUTTONUP:
SetTimer (hwnd, ID_TIMER, 10, NULL) ;
return 0;
//處置善後任務
case WM_KEYDOWN:
case WM_LBUTTONDOWN:
case WM_DESTROY:
KillTimer (hwnd, ID_TIMER) ;
DeleteObject(hBitmap);
DeleteDC(hdcMem);
for(i=0; i<iColumnCount; i++)
{
free( (ccChain+i)->current );
}
free(ccChain);
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
注：
我在 Win7 x86 VC6 下直接編譯經由過程不了，須要在 WinMain 後面加上 __stdcall，和修正兩行代碼：cc->current->ch = ‘ ‘;cc->current->ch = ‘ ‘; 能力編譯經由過程。運轉沒成績，很酷:-)
