/// <summary>
/// This function calculates the slider's zoom factor for the specified camera and uses
/// it to adjust the slider shape transforms such as size for example. The zoom factor
/// is automatically applied during each gizmo 'UpdateBegin' step, so the ONLY time when
/// this function should be called is when more than one camera can render the slider.
/// In that case, before calling 'Render, the client code should call this function to
/// ensure that the slider is rendered correctly. The function has no effect if the look
/// and feel settings' 'UseZoomFactor' property returns false.
/// </summary>
public void ApplyZoomFactor(Camera camera)
{
if (LookAndFeel.UseZoomFactor)
{
float zoomFactor = GetZoomFactor(camera);
_controllers[(int)LookAndFeel.LineType].UpdateTransforms(zoomFactor);
_cap3D.ApplyZoomFactor(camera);
_cap3D.CapSlider3D(GetRealDirection(), GetRealEndPosition(zoomFactor));
}
}