int main(int argc, char **argv)
{
if(argc < 2)
{
printf("Usage: %s <speed>\n", argv[0]);
printf("\nHotkeys available:");
printf("\n Solar system controls\n");
printf(" r start/stop rotation\n");
printf(" c toggle circles/squares\n");
printf(" o show/hide orbit-polygons\n");
printf(" +/- increase/decrease orbital speed\n");
printf("\n Camera Movements\n");
printf(" w/s move camera forward/backwards\n");
printf(" a/d strafe camera left/right\n");
printf(" l_mouse use mouse for camera orientation\n");
printf(" q/e tilt camera left/right\n");
printf("\n Lightning\n");
printf(" 1 light switch for the sun\n");
printf(" 2 light switch for neighboring star\n");
printf("\n Other\n");
printf(" esq quit\n");
return 1;
}
/*parse rotation speed*/
speed = atof(argv[1]);
/*initialize graphics library*/
glutInit(&argc, argv);
glutInitWindowSize(600, 600);
glutCreateWindow("A7.3 - Planeten");
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
glutDisplayFunc(display);
glutIdleFunc(idle);
glutReshapeFunc(reshape); //handles window resizing
/*control settings*/
glutKeyboardFunc(keyboard);
glutMotionFunc(mousemove);
glutMouseFunc(mouseclick);
init_openGL();
glutMainLoop();
}
static int
set_openGL_sync(int val, void *param)
{
if (no_sync)
return 0;
openGL_sync = val;
if (openGL_sync && openGL_initialized)
init_openGL();
log_message(openGL_log, "%s openGL_sync",
openGL_sync? "enabling" : "disabling");
ui_update_menus();
return 0;
}
void
openGL_sync_init(void)
{
Display *dpy;
if (openGL_log == LOG_ERR)
openGL_log = log_open("openGL");
else
return; /* we've been initializied already */
dpy = x11ui_get_display_ptr();
if (check_openGL(dpy))
no_sync = 1;
else
init_openGL();
}
