跳动的字符_多线程

Bomb — Tue, 13 Apr 2010 15:41:00 GMT

  1#include "windows.h"
  2#include "process.h"
  3#include "stddef.h"
  4#include "stdlib.h"
  5#include "conio.h"
  6#include "time.h"
  7
  8#define GetRandom(min, max) ( (rand()%(int)(((max)+1)-(min))) +(min))
  9void Bounce(void* ch);
10
11void CheckKey(void* dummy);
12
13
14BOOL repeat = TRUE;
15HANDLE hStdOut;                //Console handle
16CONSOLE_SCREEN_BUFFER_INFO    csbi;            //Console info struct
17
18void main()
19{
20    CHAR ch = 'A';
21
22    hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
23
24    //Get the size of screen
25    GetConsoleScreenBufferInfo(hStdOut,&csbi);
26
27    //
28    _beginthread(CheckKey,0,NULL);
29
30
31    while (repeat)
32    {
33        _beginthread(Bounce,0,(void*)(ch++));
34
35        Sleep(1000L);
36    }
37}
38
39void CheckKey(void* dummy)
40{
41    _getch();
42    repeat = FALSE;    //_endthread implied
43}
44
45void Bounce(void* ch)
46{
47    //select color according to the thread
48
49    char blankcell = 0x20;
50    char blockcell = (char)ch;
51    BOOL first = TRUE;
52    COORD oldCoord, newCoord;
53    DWORD result;
54
55    //
56    srand((unsigned)time(NULL));
57
58    newCoord.X = GetRandom(0,csbi.dwSize.X-1);
59    newCoord.Y = GetRandom(0,csbi.dwSize.Y-1);
60
63
64    while (repeat)
65    {
66        Sleep(100L);
67
68        //刷新老位置，在新位置绘制字符
69        if (first)
70        {
71            first = FALSE;
72        }
73        else
74        {
75            WriteConsoleOutputCharacter(hStdOut,&blankcell,1,oldCoord,&result);
76            WriteConsoleOutputCharacter(hStdOut,&blockcell,1,newCoord,&result);
77        }
78
79        oldCoord.X = newCoord.X;
80        oldCoord.Y = newCoord.Y;
81        newCoord.X += GetRandom(-1,1);
82        newCoord.Y += GetRandom(-1,1);
83
84        if (newCoord.X <0 || newCoord.X == csbi.dwSize.X || newCoord.Y <0 || newCoord.Y == csbi.dwSize.Y)
85        {
86            if (newCoord.X < 0)
87            {
88                newCoord.X = 1;
89            }
90            else if (newCoord.X == csbi.dwSize.X)
91            {
92                newCoord.X = csbi.dwSize.X-2;
93            }
94
95            if (newCoord.Y < 0)
96            {
97                newCoord.Y = 1;
98            }
99            else if (newCoord.Y == csbi.dwSize.Y)
100            {
101                newCoord.Y = csbi.dwSize.Y-2;
102            }
103        }
123        else
124            continue;
125
126        Beep(((char)ch-'A')*100,175);
127    }
128    _endthread();
129
130}

Bomb 2010-04-13 23:41 发表评论

C++博客-冬日飘雪-随笔分类-MultiThread

跳动的字符_多线程