new

#include <windows.h>
#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>

#define PI 3.1415

GLfloat angle=45.0f;
GLfloat cubesize;
boolean option=false;


void demo_menu(int id){
  if(id==3)
    exit(0);
  else if (id==1) {
    option=false;
  }
  else if (id==2){
    option=true;
  }

  glutPostRedisplay();
}

void timer(){

    glutPostRedisplay();

    angle+=0.2;
    if(angle>=360.0) angle-=360.0;

    cubesize=3+2*fabs(sin(angle*PI/180));

}

void myinit(void)
{
       typedef GLfloat point[3];
/* attributes */
glEnable(GL_BLEND);
      glClearColor(1.0, 1.0, 1.0, 0.0); /* white background */
       glColor3f(0.0, 0.0, 1.0); /* draw in red */

/* set up viewing */
/* 500 x 500 window with origin lower left */

       glMatrixMode(GL_PROJECTION);
       glLoadIdentity();
       glOrtho(-100.0,100.0,-100.0,100.0,-200.0,200.0);
       glMatrixMode(GL_MODELVIEW);

       glNewList(1,GL_COMPILE);

        point vertices[4]= {{1.0,1.0,1.0},{1.0,-1.0,1.0},{-1.0,-1.0,1.0},{-1.0,1.0,1.0}};

           glBegin(GL_POLYGON);
                 glVertex3fv(vertices[0]);
                 glVertex3fv(vertices[1]);
                 glVertex3fv(vertices[2]);
                 glVertex3fv(vertices[3]);
           glEnd();



       glEndList();


}

void cubefunc() {
    glLoadIdentity();
    if (option){
        glTranslatef(0,0,-22);
        glRotatef(angle,1,0,1);
        glTranslatef(0,0,-88);
       }
    else{
        glTranslatef(0,0,-110);
        glRotatef(angle,1,0,1);
    }
     glScalef(cubesize,cubesize,cubesize);
}


void pleures(){
    glColor3f(1.0,0.0,0.0); //red
    glCallList(1); //z

    glPushMatrix();
    glRotatef(90,1,0,0);//-y
    glColor3f(1.0,0.0,1.0); //purple
    glCallList(1);

    glColor3f(1.0,1.0,0.0); //yellow
    glRotatef(90, 1,0,0);
    glCallList(1); // -z

    glColor3f(0.0,0.0,1.0); //blue
    glRotatef(90, 1,0,0);
    glCallList(1); // y

    glPopMatrix();
    glColor3f(0.0,1.0,0.0); //green

    glPushMatrix();
    glRotatef(90,0,1,0);
    glCallList(1);//-x

    glColor3f(0.0,1.0,1.0); //cyan
    glRotatef(180,0,1,0);
    glCallList(1);//-x
    glPopMatrix();

}

void display( void )
{

   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* define a point data type */
    glColor3f(0.0,0.0, 1.0);
    glLoadIdentity();
    glTranslatef(0,0,-88);
    //glCallList(1);
    //glPushMatrix();

    cubefunc();
    pleures();

    //glPopMatrix();


    glFlush();
}



int main(int argc, char** argv)
{

/* Standard GLUT initialization */

        glutInit(&argc,argv);
        glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); /* default, not needed */
       // glDrawBuffer(GL_BACK) ;
        glutInitWindowSize(500.0,500.0); /* 500 x 500 pixel window */
        glutInitWindowPosition(0,0); /* place window top left on display */
        glutCreateWindow("Moving square"); /* window title */
        glutDisplayFunc(display); /* display callback invoked when window opened */

        myinit(); /* set attributes */

        glEnable(GL_DEPTH_TEST);
        glutIdleFunc(timer);

        glutCreateMenu(demo_menu);
        glutAddMenuEntry("a)",1);
        glutAddMenuEntry("b)",2);
        glutAddMenuEntry("Exit",3);
        glutAttachMenu(GLUT_RIGHT_BUTTON);

        glutMainLoop(); /* enter event loop */

    }