Cuboid with different colors with its side

#include<windows.h>

#include<gl.h>

#include<glu.h>

#include<glut.h>

#include <math.h>

#include<stdio.h>

char title[] = "3D Shapes";

void initGL() {

   glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

   glClearDepth(1.0f);                  

   glEnable(GL_DEPTH_TEST);   

   glDepthFunc(GL_LEQUAL);   

   glShadeModel(GL_SMOOTH);  

   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); 

}

 void display() {

   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

   glMatrixMode(GL_MODELVIEW);     

   // Render a color-cube consisting of 6 quads with different colors

   glLoadIdentity();                 // Reset the model-view matrix

   glTranslatef(1.5f, 0.0f, -7.0f);  // Move right and into the screen

   glBegin(GL_QUADS);                // Begin drawing the color cube with 6 quads

      // Top face (y = 1.0f)

      // Define vertices in counter-clockwise (CCW) order with normal pointing out

      glColor3f(0.0f, 1.0f, 0.0f);     // Green

      glVertex3f( 1.0f, 1.0f, -1.0f);

      glVertex3f(-1.0f, 1.0f, -1.0f);

      glVertex3f(-1.0f, 1.0f,  1.0f);

      glVertex3f( 1.0f, 1.0f,  1.0f);

      // Bottom face (y = -1.0f)

      glColor3f(1.0f, 0.5f, 0.0f);     // Orange

      glVertex3f( 1.0f, -1.0f,  1.0f);

      glVertex3f(-1.0f, -1.0f,  1.0f);

      glVertex3f(-1.0f, -1.0f, -1.0f);

      glVertex3f( 1.0f, -1.0f, -1.0f);

      // Front face  (z = 1.0f)

      glColor3f(1.0f, 0.0f, 0.0f);     // Red

      glVertex3f( 1.0f,  1.0f, 1.0f);

      glVertex3f(-1.0f,  1.0f, 1.0f);

      glVertex3f(-1.0f, -1.0f, 1.0f);

      glVertex3f( 1.0f, -1.0f, 1.0f);

      // Back face (z = -1.0f)

      glColor3f(1.0f, 1.0f, 0.0f);     // Yellow

      glVertex3f( 1.0f, -1.0f, -1.0f);

      glVertex3f(-1.0f, -1.0f, -1.0f);

      glVertex3f(-1.0f,  1.0f, -1.0f);

      glVertex3f( 1.0f,  1.0f, -1.0f);

      // Left face (x = -1.0f)

      glColor3f(0.0f, 0.0f, 1.0f);     // Blue

      glVertex3f(-1.0f,  1.0f,  1.0f);

      glVertex3f(-1.0f,  1.0f, -1.0f);

      glVertex3f(-1.0f, -1.0f, -1.0f);

      glVertex3f(-1.0f, -1.0f,  1.0f);

       // Right face (x = 1.0f)

      glColor3f(1.0f, 0.0f, 1.0f);     // Magenta

      glVertex3f(1.0f,  1.0f, -1.0f);

      glVertex3f(1.0f,  1.0f,  1.0f);

      glVertex3f(1.0f, -1.0f,  1.0f);

      glVertex3f(1.0f, -1.0f, -1.0f);

   glEnd();  // End of drawing color-cube

    glLoadIdentity();                  // Reset the model-view matrix

   glTranslatef(-1.5f, 0.0f, -6.0f);  // Move left and into the screen

 glutSwapBuffers();  // Swap the front and back frame buffers (double buffering)

}

 void reshape(GLsizei width, GLsizei height) { 

    if (height == 0) height = 1;               

   GLfloat aspect = (GLfloat)width / (GLfloat)height;

 glViewport(0, 0, width, height);

    glMatrixMode(GL_PROJECTION);  // To operate on the Projection matrix

   glLoadIdentity();             // Reset

    gluPerspective(45.0f, aspect, 0.1f, 100.0f);

}

 int main(int argc, char** argv) {

   glutInit(&argc, argv);           

   glutInitDisplayMode(GLUT_DOUBLE);

   glutInitWindowSize(640, 480);  

   glutInitWindowPosition(50, 50);

   glutCreateWindow(title);         

   glutDisplayFunc(display);      

   glutReshapeFunc(reshape);      

   initGL();                      

   glutMainLoop();                

   return 0;

}