Write a glut program to draw rotating sphere

CODE:

#include <stdio.h>

#include <stdlib.h>

#include <windows.h>

#if defined(__APPLE__)

#include <GLUT/glut.h>

#else

#include <GL/glut.h>

#endif

#define PI 3.1415926535898 

GLfloat xRotated, yRotated, zRotated;

GLdouble radius=1;

void redisplayFunc(void)

{

    glMatrixMode(GL_MODELVIEW);

   

    glClear(GL_COLOR_BUFFER_BIT);

 

    glLoadIdentity();

   

    glTranslatef(0.0,0.0,-4.5);

  

    glColor3f(0.8, 0.2, 0.1);

   

    glRotatef(xRotated,1.0,0.0,0.0);

   

    glRotatef(yRotated,0.0,1.0,0.0);

   

    glRotatef(zRotated,0.0,0.0,1.0);

   

    glScalef(1.0,1.0,1.0);

   

    glutSolidSphere(radius,20,20);

   

    glFlush();       

   

}

void reshapeFunc(int x, int y)

{

    if (y == 0 || x == 0) return; 

    glMatrixMode(GL_PROJECTION); 

    glLoadIdentity();

    //Angle of view:40 degrees

    //Near clipping plane distance: 0.5

    //Far clipping plane distance: 20.0    

    gluPerspective(40.0,(GLdouble)x/(GLdouble)y,0.5,20.0);

    glMatrixMode(GL_MODELVIEW);

    glViewport(0,0,x,y); 

}

void idleFunc(void)

{

     yRotated += 0.01;

    

    redisplayFunc();

}

int main (int argc, char **argv)

{

   

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); 

        glutInitWindowSize(400,350);

        glutCreateWindow("Sphere Animation");

    glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);

    xRotated = yRotated = zRotated = 30.0;

     xRotated=33;

     yRotated=40;

    glClearColor(0.0,0.0,0.0,0.0);

      glutDisplayFunc(redisplayFunc);

   glutReshapeFunc(reshapeFunc);

    glutIdleFunc(idleFunc);

   

    glutMainLoop();

    return 0;

}

OUTPUT: