游走的字符程序C源代码
哪位高手帮下小弟！很急！！！！！！！
游走的字符（比如“A”）在屏幕或者窗口中游动，碰到屏幕的边界，自动改变方向。按任意键结束。用C语言做！
[解决办法]
- C/C++ code
#include <windows.h>#include <process.h> /* _beginthread, _endthread */#include <stddef.h>#include <stdlib.h>#include <conio.h>void Bounce( void *ch );void CheckKey( void *dummy );/* GetRandom returns a random integer between min and max. */#define GetRandom( min, max ) ((rand() % (int)(((max) + 1) - (min))) + (min))BOOL repeat = TRUE; /* Global repeat flag and video variable */HANDLE hStdOut; /* Handle for console window */CONSOLE_SCREEN_BUFFER_INFO csbi; /* Console information structure */void main(){ CHAR ch = 'A'; hStdOut = GetStdHandle( STD_OUTPUT_HANDLE ); /* Get display screen's text row and column information. */ GetConsoleScreenBufferInfo( hStdOut, &csbi ); /* Launch CheckKey thread to check for terminating keystroke. */ _beginthread( CheckKey, 0, NULL ); /* Loop until CheckKey terminates program. */ while( repeat ) { /* On first loops, launch character threads. */ _beginthread( Bounce, 0, (void *) (ch++) ); /* Wait one second between loops. */ Sleep( 1000L ); }}/* CheckKey - Thread to wait for a keystroke, then clear repeat flag. */void CheckKey( void *dummy ){ _getch(); repeat = 0; /* _endthread implied */}/* Bounce - Thread to create and and control a colored letter that moves * around on the screen. * * Params: ch - the letter to be moved */void Bounce( void *ch ){ /* Generate letter and color attribute from thread argument. */ char blankcell = 0x20; char blockcell = (char) ch; BOOL first = TRUE; COORD oldcoord, newcoord; DWORD result; /* Seed random number generator and get initial location. */ srand( _threadid ); newcoord.X = GetRandom( 0, csbi.dwSize.X - 1 ); newcoord.Y = GetRandom( 0, csbi.dwSize.Y - 1 ); while( repeat ) { /* Pause between loops. */ Sleep( 100L ); /* Blank out our old position on the screen, and draw new letter. */ if( first ) first = FALSE; else WriteConsoleOutputCharacter( hStdOut, &blankcell, 1, oldcoord, &result ); WriteConsoleOutputCharacter( hStdOut, &blockcell, 1, newcoord, &result ); /* Increment the coordinate for next placement of the block. */ oldcoord.X = newcoord.X; oldcoord.Y = newcoord.Y; newcoord.X += GetRandom( -1, 1 ); newcoord.Y += GetRandom( -1, 1 ); /* Correct placement (and beep) if about to go off the screen. */ if( newcoord.X < 0 ) newcoord.X = 1; else if( newcoord.X == csbi.dwSize.X ) newcoord.X = csbi.dwSize.X - 2; else if( newcoord.Y < 0 ) newcoord.Y = 1; else if( newcoord.Y == csbi.dwSize.Y ) newcoord.Y = csbi.dwSize.Y - 2; /* If not at a screen border, continue, otherwise beep. */ else continue;// Beep( ((char) ch - 'A') * 100, 175 ); } /* _endthread given to terminate */ _endthread();}
[解决办法]
- C/C++ code
回答楼上的MSDN源程序Example/* BEGTHRD.C illustrates multiple threads using functions: * * _beginthread _endthread * * * This program requires the multithreaded library. For example, * compile with the following command line: * CL /MT /D "_X86_" BEGTHRD.C * * If you are using the Visual C++ development environment, select the * Multi-Threaded runtime library in the compiler Project Settings * dialog box. * */#include <windows.h>#include <process.h> /* _beginthread, _endthread */#include <stddef.h>#include <stdlib.h>#include <conio.h>void Bounce( void *ch );void CheckKey( void *dummy );/* GetRandom returns a random integer between min and max. */#define GetRandom( min, max ) ((rand() % (int)(((max) + 1) - (min))) + (min))BOOL repeat = TRUE; /* Global repeat flag and video variable */HANDLE hStdOut; /* Handle for console window */CONSOLE_SCREEN_BUFFER_INFO csbi; /* Console information structure */void main(){ CHAR ch = 'A'; hStdOut = GetStdHandle( STD_OUTPUT_HANDLE ); /* Get display screen's text row and column information. */ GetConsoleScreenBufferInfo( hStdOut, &csbi ); /* Launch CheckKey thread to check for terminating keystroke. */ _beginthread( CheckKey, 0, NULL ); /* Loop until CheckKey terminates program. */ while( repeat ) { /* On first loops, launch character threads. */ _beginthread( Bounce, 0, (void *) (ch++) ); /* Wait one second between loops. */ Sleep( 1000L ); }}/* CheckKey - Thread to wait for a keystroke, then clear repeat flag. */void CheckKey( void *dummy ){ _getch(); repeat = 0; /* _endthread implied */}/* Bounce - Thread to create and and control a colored letter that moves * around on the screen. * * Params: ch - the letter to be moved */void Bounce( void *ch ){ /* Generate letter and color attribute from thread argument. */ char blankcell = 0x20; char blockcell = (char) ch; BOOL first = TRUE; COORD oldcoord, newcoord; DWORD result; /* Seed random number generator and get initial location. */ srand( _threadid ); newcoord.X = GetRandom( 0, csbi.dwSize.X - 1 ); newcoord.Y = GetRandom( 0, csbi.dwSize.Y - 1 ); while( repeat ) { /* Pause between loops. */ Sleep( 100L ); /* Blank out our old position on the screen, and draw new letter. */ if( first ) first = FALSE; else WriteConsoleOutputCharacter( hStdOut, &blankcell, 1, oldcoord, &result ); WriteConsoleOutputCharacter( hStdOut, &blockcell, 1, newcoord, &result ); /* Increment the coordinate for next placement of the block. */ oldcoord.X = newcoord.X; oldcoord.Y = newcoord.Y; newcoord.X += GetRandom( -1, 1 ); newcoord.Y += GetRandom( -1, 1 ); /* Correct placement (and beep) if about to go off the screen. */ if( newcoord.X < 0 ) newcoord.X = 1; else if( newcoord.X == csbi.dwSize.X ) newcoord.X = csbi.dwSize.X - 2; else if( newcoord.Y < 0 ) newcoord.Y = 1; else if( newcoord.Y == csbi.dwSize.Y ) newcoord.Y = csbi.dwSize.Y - 2; /* If not at a screen border, continue, otherwise beep. */ else continue; Beep( ((char) ch - 'A') * 100, 175 ); } /* _endthread given to terminate */ _endthread();}Process and Environment Control RoutinesSee Also _endthread, abort, exit