#include<windows.h>
#include<iostream>
#include <cmath>
 
int main() 
{
    HWND console = GetConsoleWindow();
    HDC dc = GetDC(console);
    int pixel =0;
    COLORREF C1= RGB(255,0,0); //red
    for (double i = 0; i< 6.3; i+=0.05)
    {
        SetPixel(dc,pixel,(int)(100+50*sin(i)),C1);
        pixel+=1;
    } 
    ReleaseDC(console, dc);
    std::cin.ignore();
    return 0;
}

#define _WIN32_WINNT 0x0500
 
#include <windows.h>
#include <stdio.h>
#include <math.h>
 
int main()
{
    HWND console = GetConsoleWindow();
    HDC dc = GetDC(console);
    int pixel = 0;
    unsigned int loopcounter = 0;
    unsigned int loopmax = 126;
    COLORREF C1= RGB(255,0,0); //red
    double i = 0;
 
    for (loopcounter = 0; loopcounter < loopmax; loopcounter++)
    {
        SetPixel(dc,pixel,(int)(100+50*sin(i)),C1);
        pixel++;
        i += 0.05;
    }
    ReleaseDC(console, dc);
    getchar();
    return 0;
}