Metrix Rain Effect Using C Language

Metrix Effect Using C Language:

 

metrix effect

 

Impress Your Friend Using This Coding In C:- 

 Download TEXT File From

HERE!!! 

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Use a Compiler Like CodeBlocks:: or Turbo C/C++

Rain Effect Not Stop 

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#include <stdlib.h>
#include <time.h>

#include <windows.h>

#define WIDTH  80
#define HEIGHT 40

#define idx(x, y) ((x)+WIDTH*(y))

struct trail {
    float start;
    float end;
    float speed;
} trails[WIDTH];

void init_trail(struct trail *trail)
{
    trail->start = -(float)(rand() % HEIGHT);
    trail->end = 0;
    trail->speed = (rand() % 5) / 10.0f + 0.2f;
}

void update(CHAR_INFO consoleBuffer[])
{
    CHAR_INFO space = {.Char.AsciiChar=' ', .Attributes=0};

    for (int x = 0; x < WIDTH; x++) {
        for (int y = 0; y < HEIGHT; y++)
            consoleBuffer[idx(x, y)] = space;

        int start = trails[x].start < 0 ? 0 : (int)trails[x].start;
        int end = trails[x].end > HEIGHT ? HEIGHT : (int)trails[x].end;

        for (int y = start; y < end; y++)
            consoleBuffer[idx(x, y)] = (CHAR_INFO) {
            .Char.AsciiChar = rand() % 256,
            .Attributes = FOREGROUND_GREEN |
            (y < (int)trails[x].end-1 ? 0 :
            FOREGROUND_RED | FOREGROUND_BLUE)};

        trails[x].start += trails[x].speed;
        trails[x].end += trails[x].speed;

        if (trails[x].start >= HEIGHT)
            init_trail(&trails[x]);
    }
}

int main(void)
{
    srand((unsigned)time(NULL));

    /* Console window */
    HANDLE wHnd = GetStdHandle(STD_OUTPUT_HANDLE);

    SMALL_RECT windowSize = {0, 0, WIDTH-1, HEIGHT-1};
    SetConsoleWindowInfo(wHnd, TRUE, &windowSize);

    COORD bufferSize = {WIDTH, HEIGHT};
    SetConsoleScreenBufferSize(wHnd, bufferSize);

    CHAR_INFO consoleBuffer[WIDTH * HEIGHT];
    COORD charBufSize = {WIDTH, HEIGHT};
    COORD characterPos = {0, 0};
    SMALL_RECT writeArea = {0, 0, WIDTH-1, HEIGHT-1};

    SetConsoleTitle(TEXT("Enter the Matrix"));

    /* Trails */
    for (int i = 0; i < WIDTH; i++)
        init_trail(&trails[i]);

    /* Matrix */
    for (;;) {
        update(consoleBuffer);
        WriteConsoleOutputA(wHnd, consoleBuffer,
                charBufSize, characterPos, &writeArea);
        Sleep(16);
    }

    return 0;
}
 

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