#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>

#include <stdlib.h>

#include <stdio.h>



//Dilosi metavliton ton 9 planiton toy iliakoy suystimatos mas

static int year = 0, day = 0; //metavliti gia tin peristrofi gyro apo ton ilio kai giro apo ton eayto ton planiton

static int afrody = 0, afrodd = 0; //afroditi

static int ermisy = 0, ermisd = 0; //ermis

static int earthy = 0, earthd = 0; //earth

static int arisy = 0, arisd = 0; //Aris 

static int diasy = 0, diasd = 0; //Dias

static int kronosy = 0, kronosd = 0; //Kronos

static int ouranosy = 0, ouranosd = 0; //Ouranos

static int posidony = 0, posidond = 0; //Posidonos

static int plutony = 0, plutond = 0; //Ploutonas

static int moony = 0, moond=0; //Moon

static int diasd1y=0, diasd1d=0; //Dias_Doriforos_1

static int diasd2y=0, diasd2d=0; //Dias_Doriforos_2



void init(void) 

{

   GLfloat light_ambient[] = { 1.0, 0.0, 0.0, 0.0 }; //einai gia to xroma tis sfairas

   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };

   GLfloat light_diffuse[] = { 1.0, 1.0, 0.0, 0.0 }; // einai gia to xroma tis sfairas

   GLfloat mat_shininess[] = { 60.0 };

   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.5 }; // einai gia tin topo8esia tou fotismou

   glClearColor (0.0, 0.0, 0.0, 0.0); //ka8arizoume to xroma 

   glShadeModel (GL_SMOOTH);

   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);

   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);

   glLightfv(GL_LIGHT0, GL_POSITION, light_position);

   glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);

   glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);

   glEnable(GL_LIGHTING);

   glEnable(GL_LIGHT0);

   glEnable(GL_DEPTH_TEST);

}

void display(void)

{





   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3); 

   glRotatef ((GLfloat) afrody, 0.0, 1.0, 0.3); 

   glTranslatef (1.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0); 

   glRotatef ((GLfloat) afrodd, 0.0, 1.0, 1.0);

   glutSolidSphere(0.1, 20, 16); //Afroditi//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3); 

   glRotatef ((GLfloat) ermisy, 0.0, 1.0, 0.3); 

   glTranslatef (1.5, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0); 

   glRotatef ((GLfloat) ermisd, 0.0, 1.0, 1.0); 

   glutWireSphere(0.13, 20, 16); //Ermis//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3); 

   glRotatef ((GLfloat) earthy, 0.0, 1.0, 0.3);

   glTranslatef (2.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) earthd, 0.0, 1.0, 1.0);

   glutSolidSphere(0.2, 20, 16); //Earth// 

   glFlush ();

   glPopMatrix();

   

   glPushMatrix();

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3); 

   glRotatef ((GLfloat) earthy, 0.0, 1.0, 0.3);

   glTranslatef (2.0, 0.0, 0.0);

   glutSolidSphere(0.2, 20, 16); //Earth// 

   glRotatef ((GLfloat) moony, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3); 

   glTranslatef (0.3, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) moond, 0.0, 1.0, 1.0);

   glutWireSphere(0.05, 20, 16); //Moon//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) arisy, 0.0, 1.0, 0.3);

   glTranslatef (3.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) arisd, 0.0, 1.0, 1.0);

   glutWireSphere(0.16, 20, 16); //Aris//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) diasy, 0.0, 1.0, 0.3);

   glTranslatef (4.5, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) diasd, 0.0, 1.0, 1.0);

   glutSolidSphere(0.4, 20, 16); //Dias//

   glFlush ();

   glPopMatrix();

   

   glPushMatrix();

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) diasy, 0.0, 1.0, 0.3);

   glTranslatef (4.5, 0.0, 0.0);

   glutSolidSphere(0.4, 20, 16); //Dias//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) diasd1y, 0.0, 1.0, 0.3);

   glTranslatef (0.4, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) diasd1d, 0.0, 1.0, 1.0);

   glutSolidSphere(0.05, 20, 16); //Doriforos 1//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) diasy, 0.0, 1.0, 0.3);

   glTranslatef (4.5, 0.0, 0.0);

   glutSolidSphere(0.4, 20, 16); //Dias//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) diasd2y, 0.0, 1.0, 0.3);

   glTranslatef (0.6, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) diasd2d, 0.0, 1.0, 1.0);

   glutWireSphere(0.09, 20, 16); //Doriforos 2//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) kronosy, 0.0, 1.0, 0.3);

   glTranslatef (6.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) kronosd, 0.0, 1.0, 1.0);

   glutWireSphere(0.25, 20, 16); //Kronos//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) ouranosy, 0.0, 1.0, 0.3);

   glTranslatef (7.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) ouranosd, 0.0, 1.0, 1.0);

   glutSolidSphere(0.2, 20, 16); //Ouranos//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.3);

   glRotatef ((GLfloat) posidony, 0.0, 1.0, 0.3);

   glTranslatef (8.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) posidond, 0.0, 1.0, 1.0);

   glutWireSphere(0.19, 20, 16); //Posidonas//

   glFlush ();

   glPopMatrix();



   glPushMatrix();

   glutSolidSphere (0.8, 20, 16); //Sun//

   glRotatef ((GLfloat) year, 0.0, 1.0, 0.8);

   glRotatef ((GLfloat) plutony, 0.0, 1.0, 0.8);

   glTranslatef (9.0, 0.0, 0.0);

   glRotatef ((GLfloat) day, 0.0, 1.0, 1.0);

   glRotatef ((GLfloat) plutond, 0.0, 1.0, 1.0);

   glutSolidSphere(0.12, 20, 16); //Plutonas//

   glFlush ();

   glPopMatrix();



   glutSwapBuffers();

}

void reshape (int w, int h)

{

  glViewport (0, 0, (GLsizei) w, (GLsizei) h); 

   glMatrixMode (GL_PROJECTION);

   glLoadIdentity ();

   gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);

   glMatrixMode(GL_MODELVIEW);

   glLoadIdentity();

   gluLookAt (0.0, 0.0, 11.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

}





void keyboard (unsigned char key, int x, int y)

{

   switch (key) {

	  case '1':

		   afrody = (afrody + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '2':

		   ermisy = (ermisy + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '3':

			earthy = (earthy + 5) % 360;

            moony = (moony + 9 ) % 360;

            glutPostRedisplay();

            break;



      case '4':

		   arisy = (arisy + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '5':

		   diasy = (diasy + 5 ) % 360;

           diasd1y = (diasd1y + 8 ) % 360;

           diasd2y = (diasd2y + 6 ) % 360;

           glutPostRedisplay();

            break;



      case '6':

		   kronosy = (kronosy + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '7':

		   ouranosy = (ouranosy + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '8':

		   posidony = (posidony + 5 ) % 360;

           glutPostRedisplay();

            break;



      case '9':

		   plutony = (plutony + 5 ) % 360;

           glutPostRedisplay();

            break;



      case 'm':

		   moony = (moony + 9 ) % 360;

		   moond =  (moond + 10) % 360;

           glutPostRedisplay();

            break;



      case 'a':

		   diasd1y = (diasd1y + 8 ) % 360;

		   diasd1d =  (diasd1d + 10) % 360;

           glutPostRedisplay();

            break;



      case 'b':

		   diasd2y = (diasd2y + 6 ) % 360;

		   diasd2d =  (diasd2d + 10) % 360;

           glutPostRedisplay();

            break;



      case 'd':

         day = (day + 10) % 360;

         glutPostRedisplay();

         break;



      case 'y':

         year = (year + 3) % 360;

         moony = (moony + 9 ) % 360;

         diasd1y = (diasd1y + 8 ) % 360;

         diasd2y = (diasd2y + 6 ) % 360;

         glutPostRedisplay();

         break;



      default:

         break;

   }

}

int main(int argc, char** argv)

{

   glutInit(&argc, argv);

   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);

   glutInitWindowSize (800,600); 

   glutInitWindowPosition (100,100);

   glutCreateWindow (argv[0]);

   init ();

   glutDisplayFunc(display); 

   glutReshapeFunc(reshape);

   glutKeyboardFunc(keyboard); 

   glutMainLoop();

   return 0;

}