Hacker rain compile by g++ -std=c++0x hackerRain.cpp

color_console.h

#pragma once
#include <iostream>
#include <windows.h>

inline std::ostream& blue(std::ostream &s)
{
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout, FOREGROUND_BLUE
              |FOREGROUND_GREEN|FOREGROUND_INTENSITY);
    return s;
}

inline std::ostream& red(std::ostream &s)
{
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout, 
                FOREGROUND_RED|FOREGROUND_INTENSITY);
    return s;
}

inline std::ostream& green(std::ostream &s)
{
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout, 
              FOREGROUND_GREEN|FOREGROUND_INTENSITY);
    return s;
}

inline std::ostream& yellow(std::ostream &s)
{
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout, 
         FOREGROUND_GREEN|FOREGROUND_RED|FOREGROUND_INTENSITY);
    return s;
}

inline std::ostream& white(std::ostream &s)
{
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout, 
       FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE);
    return s;
}

struct color {
    color(WORD attribute):m_color(attribute){};
    WORD m_color;
};

template <class _Elem, class _Traits>
std::basic_ostream<_Elem,_Traits>& 
      operator<<(std::basic_ostream<_Elem,_Traits>& i, color& c)
{
    HANDLE hStdout=GetStdHandle(STD_OUTPUT_HANDLE); 
    SetConsoleTextAttribute(hStdout,c.m_color);
    return i;
}

// Copyleft Vincent Godin

hackerRain.cpp

#include <iostream>
#include <string>
#include <chrono>
#include <thread>
#include <cstdlib>
#include "console_color.h"

const int width = 158;        
const int flipsPerLine = 5;    
const int millisecondsOfSleep = 50; 

int main() {
    srand(time_t(NULL));
    bool switches[width] = { true };
    const std::string garbage = "1234567890/*-+.,./;[]\\=_~`!@#$%^&*()";
    const auto glen = garbage.size();
    while (true) {        // Waiting for Ctrl-C
	for (int i = 0; i != width; ++i) {
	    if (switches[i]) {
		std::cout << green << garbage[rand() % glen];
	    } else {
		std::cout << ' ';
	    }
	}
	std::cout << std::endl;
	for (int i = 0; i != flipsPerLine; ++i) {
	    int x = rand() % width;
	    switches[x] = !switches[x];
	}
	std::this_thread::sleep_for(std::chrono::milliseconds(millisecondsOfSleep));
    }
    return 0;
}

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