Solar System In openGl

Solar System In openGl

How to make circle(at center) in OpenGL

xx=radius

for(i=0;i<=360;i++)

        {

            glBegin(GL_POINTS);

            ang=i*((3.14*2)/360);

            x=xx * cos(ang);

            y=xx * sin(ang);

            glVertex2f(x,y);

            glEnd();

         }

Program:-

Output:-