void Light::set_spot_cutoff(const Geometry::Angle<float> &c)
{
if(c<Geometry::Angle<float>::zero() || (c>Geometry::Angle<float>::right() && c!=Geometry::Angle<float>::straight()))
void Light::set_spot_cutoff(const Geometry::Angle<float> &c)
{
if(c<Geometry::Angle<float>::zero() || (c>Geometry::Angle<float>::right() && c!=Geometry::Angle<float>::straight()))