#include <iostream>
#include"graphics.h"
using namespace std;

void minmax(int n, double A[], double&Amin, double&Amax)
{
    Amin=A[0];
    Amax=A[0];

    for (int i=1; i<n; i++)
    {
        if(Amin<A[i])
        Amin=A[i];
        if(Amax>A[i])
        Amax=A[i];
    }
}

void points(int n,double Vhodx[], double VhodY[],double xmin,double ymin,int x0,int y0,double sx,double sy)
{
    int xp,yp;
   // int x0,y0;

    for(int i=0; i<n; i++)
    {
        xp=x0 + (Vhodx[i] - xmin)/sx;
        yp=y0 - (VhodY[i] - ymin)/sy;
        circle(xp,yp,5);
        //line (x0,y0,xp,yp);
    }
}

void Axiis(int Dir, int x0,int y0, int D, double min,  int P, double S)
{
    double val;
    double I;
    char intStr[20];
    char* t;
    if(Dir!=0)
    {
    line (x0,y0,x0+P,y0);
    I=(P/D)-1;
        for (int i=0;i<I;i++)
        {
     line(x0+(i*D),y0,(x0+i*D),(y0+3));
     val=min+i*D;
     t=gcvt(val,10,intStr);
     settextjustify(1,2);
     outtextxy(x0+i*D,(y0+3),t);
        }
    }
    if (Dir==0)
    {
        line(x0,y0,x0,(y0-P));
        I=(P/D)-1;
        for(int i=0;i<I;i++)
        {
        line(x0,(y0-(i*D)),(x0-3),(y0-i*D));
        val=min+i*D;
        t=gcvt(val,10,intStr);

        settextjustify(2,1);
        outtextxy(x0-3,(y0-i*D),t);

        }
    }
}
int main()
{
    initwindow(800,600,"");

    double VhodX[8]={3.7, 4.5, 5.1, 6.9, 2.4, 3.1, 9.2, 7.2};
    double VhodY[8]={5.7, 1.5, 2.1, 3.9, 4.4, 5.1, 8.2, 7.9};

    int px, py, y0, x0, dx, dy;
    x0=100;
    y0=500;
    px=500;
    py=300;
    dx=60;
    dy=60;
    double xmin, xmax, ymin, ymax, sx, sy;
    minmax(8,VhodX, xmin, xmax);
    minmax(8, VhodY, ymin, ymax);
    sx=(xmax-xmin)/px;
    sy=(ymax-ymin)/py;
    points(8,VhodX,VhodY,xmin,ymin,x0,y0,sx,sy);
    Axiis(1, x0,y0,50, xmin,  px, sx);
    Axiis(0, x0,y0,50, ymin,  px, sx);

    getch();
}