#include <iostream>
#include <graphics.h>
#include <math.h>
#include <fstream>
#define PI 3.1415
#define N 12
#define R 80

int poligon[2*N+2];
int poligon2[2*N+2];
int poligon3[3*N+2];

using namespace std;

void waitForLeftMouseClick();

void generarePCTE3()  ///genereaza punctele poligonului
{
    double alfa = 2*PI/N;
    for(int i=0; i<N+1; i++)
    {
        poligon3[2*i]   = R*cos(i*alfa)+250; ///coordonte x
        poligon3[2*i+1] = R*sin(i*alfa);  /// coordonate y
    }

}

void generarePCTE()  ///genereaza punctele poligonului
{
    double alfa = 2*PI/N;
    for(int i=0; i<N+1; i++)
    {
        poligon[2*i]   = R*cos(i*alfa); ///coordonte x
        poligon[2*i+1] = R*sin(i*alfa);  /// coordonate y
    }
}
void generarePCTE2()  ///genereaza punctele poligomului scalat cu 2.5
{
    double alfa = 2*PI/N;
    for(int i=0; i<N+1; i++)
    {
        poligon2[2*i]   = R*2.5*cos(i*alfa); ///coordonate x
        poligon2[2*i+1] = R*2.5*sin(i*alfa);  /// coordonate y
    }
}

void translatie(int points[], int tx, int ty)    ///se face translatia
{
    for(int i=0; i<N+1; i++)
    {
        points[2*i] = points[2*i] + tx;
        points[2*i+1]= points[2*i+1] + ty;
    }
}
int main()
{
    initwindow(1100,1100);
    setlinestyle(SOLID_LINE, 0,2);
    setcolor(RED);
    generarePCTE();
    generarePCTE2();
    translatie(poligon,420,250);
    drawpoly(13,poligon);
    delay(200);
    translatie(poligon2,420,250);
drawpoly(13,poligon2);
delay(200);
//generarePCTE3();
//setcolor(YELLOW);
//drawpoly(13,poligon3);
setcolor(2);
 waitForLeftMouseClick();
 cleardevice();
///B0 –A0 –A1 –B1 –B2 –A2 –A3 –B3 .. etc(2p
moveto(poligon2[0],poligon2[1]);
 lineto(poligon[0],poligon[1]);
 delay(30);
 lineto(poligon[2],poligon[3]);
 lineto(poligon2[2],poligon2[3]);
 delay(30);
 lineto(poligon2[4],poligon2[5]);
 lineto(poligon[4],poligon[5]);
 delay(30);
 lineto(poligon[6],poligon[7]);
 lineto(poligon2[6],poligon2[7]);
 delay(30);
 lineto(poligon2[8],poligon2[9]);
 lineto(poligon[8],poligon[9]);
 delay(30);
 lineto(poligon[10],poligon[11]);
 lineto(poligon2[10],poligon2[11]);
 delay(30);
 lineto(poligon2[12],poligon2[13]);
 lineto(poligon[12],poligon[13]);
 delay(30);
 lineto(poligon[14],poligon[15]);
 lineto(poligon2[14],poligon2[15]);
 delay(30);
 lineto(poligon2[16],poligon2[17]);
 lineto(poligon[16],poligon[17]);
 delay(30);
 lineto(poligon[18],poligon[19]);
 lineto(poligon2[18],poligon2[19]);
 delay(30);
 lineto(poligon2[20],poligon2[21]);
 lineto(poligon[20],poligon[21]);
 delay(30);
 lineto(poligon[22],poligon[23]);
 lineto(poligon2[22],poligon2[23]);
 delay(30);
 lineto(poligon2[24],poligon2[25]);
    waitForLeftMouseClick();
// moveto()

/*for(int i=0;i<12;i++)
{
    lineto(poligon[k],poligon[k+1]);
    lineto(poligon[k+2],poligon[k+3]);
    k++;
} */


   // waitForLeftMouseClick();
    cleardevice();
    generarePCTE3();
   // translatie(poligon3,420,250);
    drawpoly(13,poligon3);



    waitForLeftMouseClick();
}

void waitForLeftMouseClick()
{
    clearmouseclick(WM_LBUTTONDOWN);
    const int DELAY = 50; // Milliseconds of delay between checks
    int x, y;
    while (!ismouseclick(WM_LBUTTONDOWN))
        delay(DELAY);
    getmouseclick(WM_LBUTTONDOWN, x, y);
}