Method setZoom

src/Geoscape/Globe.cpp:675–687

* Changes the current globe zoom factor. * @param zoom New zoom. */

 * @param zoom New zoom.
 */
void Globe::setZoom(size_t zoom)
{
	_zoom = std::min(std::max(zoom, (size_t)0u), _zoomRadius.size() - 1);
	_radius = _zoomRadius[_zoom];
	_game->getSavedGame()->setGlobeZoom(_zoom);
	if (_isMouseScrolling)
	{
		_lonBeforeMouseScrolling = _cenLon;
		_latBeforeMouseScrolling = _cenLat;
		_totalMouseMoveX = 0; _totalMouseMoveY = 0;
	}
	invalidate();
}

/**
 * Increases the zoom level on the globe.