// glutTimerFunc() example

void timerFcn(int value)
{

// rotation variables
        if (headrotate) theRobot.head.rotation += 2.;

// movement variables

        if (walkfwd) theRobot.movedZ += .01;
        else
        if (walkback) theRobot.movedZ -= .01;

// render + repeat
        glutPostRedisplay();
        glutTimerFunc(10, timerFcn, 1);

    // reset movement
//      r = 0;
//      walkfwd = false; walkback = false;

}

void reshape(int w, int h)
{
   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();

   gluPerspective(65, (GLfloat) w/(GLfloat) h, 1., 20.);

   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();

   glTranslatef (0.0, 0.0, -5.0);
}


void keyboard(unsigned char key, int x, int y)
{
   switch (key) {
      case 27:
         exit(0);
         break;

// wireframe
         case '1': w = !w; break;

// translation //
         case 'w': theRobot.movedZ += .1; break;
         case 's': theRobot.movedZ -= .1; break;

// rotation //
// head
         case 'h': headrotate = !headrotate; break;
// all
         case 'a': r = 5; break;
         case 'd': r = -5; break;
// stop
         case 'r':

             theRobot = buildRobot();
             walkfwd = false; walkback = false;
             headrotate = false;
             break;

     default: break;
   }
}

int main(int argc, char** argv)
{
   glutInit(&argc, argv);
   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
   glutInitWindowSize (1024, 768);
   glutInitWindowPosition(100, 0);
   glutCreateWindow("Assignment 2 - Liam Jenkin 6517080");

   init();

   glutReshapeFunc(reshape);
   glutDisplayFunc(display);
   glutKeyboardFunc(keyboard);
   glutTimerFunc(10,timerFcn, 0);

   glutMainLoop();


   return 0;
}