void page_draw_planet() {
  Planet *plan;
  SDL_Rect destr = {0, 0, 768, 768};
  plan = (Planet*)cur_object;
  SDL_BlitSurface(planet[plan->Type()], NULL, screen, &destr);
  lasttick = -1;
  page_update_planet();
  stats_draw_planet(plan, 0);
  }
void page_update_planet() {
  SDL_Rect srcr = {0, 0, 64, 64};
  SDL_Rect destr = {0, 0, 64, 64};
  Planet *plan = (Planet*)cur_object;
  if(lasttick != -1) {
    for(int sctr=0; sctr < plan->num_satellites; ++sctr) {
      Satellite *sat = plan->satellites[sctr];
      srcr.x = sat->XPos(lasttick) - 32;
      srcr.y = sat->YPos(lasttick) - 32;
      destr.x = sat->XPos(lasttick) - 32;
      destr.y = sat->YPos(lasttick) - 32;
      SDL_FillRect(screen, &destr, black);
      SDL_BlitSurface(planet[plan->Type()], &srcr, screen, &destr);
      update(&destr);
      }
    }
  for(int sctr=0; sctr < plan->num_satellites; ++sctr) {
    Satellite *sat = plan->satellites[sctr];
    if(!(sat->InFront(cur_game->tick))) {
      srcr.x = sat->XPos(cur_game->tick) - 32;
      srcr.y = sat->YPos(cur_game->tick) - 32;
      destr.x = sat->XPos(cur_game->tick) - 32;
      destr.y = sat->YPos(cur_game->tick) - 32;
      SDL_BlitSurface(satellite[sat->Type()], NULL, screen, &destr);
      SDL_BlitSurface(planet[plan->Type()], &srcr, screen, &destr);
      update(&destr);
      }
    }
  for(int sctr=0; sctr < plan->num_satellites; ++sctr) {
    Satellite *sat = plan->satellites[sctr];
    if(sat->InFront(cur_game->tick)) {
      srcr.x = sat->XPos(cur_game->tick) - 32;
      srcr.y = sat->YPos(cur_game->tick) - 32;
      destr.x = sat->XPos(cur_game->tick) - 32;
      destr.y = sat->YPos(cur_game->tick) - 32;
      SDL_BlitSurface(satellite[sat->Type()], NULL, screen, &destr);
      update(&destr);
      }
    }
  lasttick = cur_game->tick;
  }