#include  <stdio.h>
#include  <easyx.h>
#include <math.h>

#define PI 3.14

void fiveStar(int r, double startAngle)
{
    double d = 2 * PI / 5;
    POINT points[5];
    for (int i = 0; i < 5; i++)
    {
        points[i].x = r * cos(startAngle + i * d * 2);
        points[i].y = r * sin(startAngle + i * d * 2);
    }
    solidpolygon(points, 5);
}

int main()
{
    int width = 900, height = width / 3 * 2;
    int grid = width / 2 / 15;
    initgraph(width, height);
    setbkcolor(RED);
    cleardevice();

    setaspectratio(1, -1);
    setfillcolor(YELLOW);
    setpolyfillmode(WINDING);

    setorigin(grid * 5, grid * 5);
    fiveStar(grid * 3, PI / 2);

    setorigin(grid * 10, grid * 2);
    double startAngle = atan(3.0 / 5.0) + PI;
    fiveStar(grid, startAngle);

    setorigin(grid * 12, grid * 4);
    startAngle = atan(1.0 / 7.0) + PI;
    fiveStar(grid, startAngle);

    setorigin(grid * 12, grid * 7);
    startAngle = -atan(2.0 / 7.0) + PI;
    fiveStar(grid, startAngle);

    setorigin(grid * 10, grid * 9);
    startAngle = -atan(4.0 / 5.0) + PI;
    fiveStar(grid, startAngle);


    getchar();
    closegraph();
    return 0;

}