Method zoomIn

src/Geoscape/Globe.cpp:692–698

* Increases the zoom level on the globe. */

 * Increases the zoom level on the globe.
 */
void Globe::zoomIn()
{
	if (_zoom < _zoomRadius.size() - 1)
	{
		setZoom(_zoom + 1);
	}
}

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