Построение графика по заданным точкам

// sin(x) graphic
#include <Windows.h>
#include <stdlib.h>
#include <math.h>
 
int main(void)
{
    float x;
    HDC hDC = GetDC(GetConsoleWindow());
    HPEN Pen = CreatePen( PS_SOLID, 2, RGB(255, 255, 255));
    SelectObject( hDC, Pen );
    MoveToEx( hDC, 0, 85, NULL );
    LineTo( hDC, 200, 85 );
    MoveToEx( hDC, 100, 0, NULL );
    LineTo( hDC, 100, 170 );
    for (x = -8.0f; x <= 8.0f; x += 0.01f ) // O(100,85) - center
    {
        MoveToEx( hDC, 10*x+100, -10*sin(x)+85, NULL );//10 - scale
        LineTo( hDC, 10*x+100, -10*sin(x)+85 );
    }
    system("pause");
    return 0;
}

#include <Windows.h>
#include <stdlib.h>
#include <math.h>
 
#define SIZE 17
#define CENTER_X 100
#define CENTER_Y  85
#define SCALE     10
 
int main(void)
{
    float x;
    int i;
    POINT p[SIZE];
 
    HDC hDC = GetDC(GetConsoleWindow());
    HPEN Pen = CreatePen( PS_SOLID, 2, RGB(255, 255, 255));
    SelectObject( hDC, Pen );
    
    MoveToEx( hDC, 0, CENTER_Y, NULL );
    LineTo  ( hDC, 2 * CENTER_X, CENTER_Y);
    MoveToEx( hDC, CENTER_X, 0, NULL );
    LineTo  ( hDC, CENTER_X, 2 * CENTER_Y );
    
    for (x = -8.0f, i = 0; x <= 8.0f && i < 17; ++x, ++i) 
    {
        p[i].x = SCALE * x + CENTER_X;
        p[i].y = (- SCALE) * sin(x) + CENTER_Y;
    }
 
    Polyline(hDC, p, SIZE);
 
    return 0;
}