The_Matrix_Effect.cpp

#include<iostream>
#include<windows.h>
int Modulus(int iN, int iMod);
char GetChar(int iGenerator, char cBase, int iRange);
int main(){
	// Color code
	HANDLE hConsole;
	hConsole=GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleTextAttribute(hConsole,2);

	char caRow[80];
	int j = 7;
	int k = 2;
	int l = 5;
	int m = 1;
	while (true) {
		int i=0;
		// Output a random row of characters
		while (i<80) {
			if (caRow[i] != ' ') {
				caRow[i] = GetChar(j + i*i, 33, 30);
				if (((i*i + k) % 71) == 0)
					SetConsoleTextAttribute(hConsole,  7);
			 	else
					SetConsoleTextAttribute(hConsole,  2);
			}
			std::cout << caRow[i];
			++i;
			SetConsoleTextAttribute(hConsole,  2);
		}
		j = (j + 31);
		k = (k + 17);
		l = (l + 47);
		m = (m + 67);
		caRow[Modulus(j, 80)] = '-';
		caRow[Modulus(k, 80)] = ' ';
		caRow[Modulus(l, 80)] = '-';
		caRow[Modulus(m, 80)] = ' ';
		// Delay
		Sleep(10);
	}
    return 0;
}
int Modulus(int iN, int iMod){
	int iQ = (iN/iMod);
	return iN - (iQ*iMod);
}
char GetChar(int iGenerator, char cBase, int iRange){
	return (cBase + Modulus(iGenerator, iRange));
}