سؤال

سلام ....هذا الكود ماشي ميه ميه open GL بفيجوال سي ++ يرتك تساعدوني و تخلو عقرب الثواني يدور علي طول مني عارفة كيف أخليه يتحرك ...يعني أريد انه من ساعة ما يطلع الرن يكون عقرب الثواني بيدور ....ولكم مقدما جزيل الشكر....

#include <GL/glut.h>
#define PI_ 6.28
#include<stdlib.h>
#include<math.h>
int i,r;
void display(void)
{

glBegin(GL_TRIANGLES);
   glColor3f (0.0, 0.5, 0.5);
   glVertex2i(500, 100);
   glColor3f (1.0, 0.5, 0.5);
   glVertex2i(300, 200);
   glColor3f (1.0, 1.5, 0.5);
   glVertex2i(700, 200);
   glEnd();
glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (0.3, 0.5, 0.5);
   glVertex2i(500, 800);
   glColor3f (1.0, 0.5, 0.5);
   glVertex2i(300, 700);
   glColor3f (1.0, 1.5, 0.5);
   glVertex2i(700, 700);
   glEnd();
glFlush();


glBegin(GL_TRIANGLES);
   glColor3f (1.5, 9.5, 0.5);
   glVertex2i(700, 700);
   glColor3f (1.0, 0.2, 0.7);
   glVertex2i(900, 650);
   glColor3f (7.3, 7.5, 0.4);
   glVertex2i(900, 450);
   glEnd();
glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (1.3, 0.5, 0.5);
   glVertex2i(900, 450);
      glColor3f (0.0, 0.5, 0.5);
   glVertex2i(900, 250);
     glColor3f (0.9, 8.5, 0.5);
   glVertex2i(700, 200);
   glEnd();
glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (5.4, 0.5, 0.5);
   glVertex2i(300, 200);
   glColor3f (1.0, 0.2, 0.7);
   glVertex2i(100, 450);
   glColor3f (0.3, 5.5, 0.5);
   glVertex2i(100, 250);
   glEnd();
glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (1.4, 0.5, 0.5);
   glVertex2i(100, 450);
   glColor3f (0.3, 0.2, 0.7);
   glVertex2i(100, 650);
   glColor3f (0.9, 8.5, 0.5);
   glVertex2i(300, 700);
   glEnd();
glFlush();

glBegin (GL_POLYGON);
   glColor3f (0.9, 8.5, 0.5);
   glVertex2i(485, 435);
   glVertex2i(515, 435);
   glVertex2i(515, 465);
   glVertex2i(485, 465);
glEnd();
glFlush();


	glLineWidth (5.0);
	glBegin (GL_LINE_STRIP); 
  glColor3f (0.9, 8.5, 0.5);
        glVertex2i (500,450);
  glVertex2i (500,640);
  glVertex2i (500,450);
  glVertex2i (675,450);
  glEnd ();
  glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (0.9, 8.5, 0.5);
   glVertex2i(500, 660);
   glVertex2i(475, 640);
   glVertex2i(525, 640);
   glEnd();
glFlush();

glBegin(GL_TRIANGLES);
   glColor3f (0.9, 8.5, 0.5);
   glVertex2i(675, 425);
   glVertex2i(675, 475);
   glVertex2i(700,450 );
   glEnd();
glFlush();

glLineWidth (3.75);
	glBegin (GL_LINE_STRIP);
  glVertex2i (500,450);
  glVertex2i (325,300);
  glEnd ();
  glFlush();
  
       
glBegin (GL_POINTS);
   glColor3f (1.5, 0.5, 0.5);
   glVertex2i (500,675);
      glVertex2i (800,450);
      glVertex2i (200,450);
      glVertex2i (500,225);
      glEnd ();
      glFlush();

   glLineWidth (2.0);
	glBegin (GL_LINES); 
  glColor3f (0.9, 8.5, 0.5);
        glVertex2i (640,660);
  glVertex2i (630,650);
        
  glVertex2i (750,550);
  glVertex2i (735,540);
  
     glVertex2i (640,230);
  glVertex2i (625,240);

  glVertex2i (760,320);
  glVertex2i (740,335);

  glVertex2i (330,230);
  glVertex2i (340,240);

  glVertex2i (220,330);
  glVertex2i (240,340);

  glVertex2i (220,550);
  glVertex2i (240,540);

  glVertex2i (330,660);
  glVertex2i (340,650);

  glEnd ();
  glFlush();



}


void main (int argc, char** argv)
{
	glutInit (&argc, argv);                      // Initialize GLUT.
	glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);// Set display mode.
	glutInitWindowPosition (400, 200);           // Set top-left display-window position.
	glutInitWindowSize (400, 400);               // Set display-window width and hight.
	glutCreateWindow ("... SHAIMAA ...");        // Create display window

	glClearColor(0.4, 0.4, 5.0, 5.0);            // Set display-window background color to blue.
    glClear (GL_COLOR_BUFFER_BIT);               // Clear display window.
    glPointSize (7.0);                           // Set points size to 7 .
	glMatrixMode(GL_PROJECTION);                 // Setup viewing  projection .
	glLoadIdentity();
	gluOrtho2D(0.0, 1000.0, 0.0, 1000.0);        // Setup a 10x 10x2 world ( Set projection parameters).
	glutDisplayFunc (display);                   // Send graphics to display window.
	glutMainLoop();                              // Display everything and wait.
}