constructor
constructor
friend istream& operator>>(istream&, DVspotlight_direction&)
DVspotlight_direction( const float x_val=+0.0, const float y_val=+0.0, const float z_val=-1.0 )
~DVspotlight_direction()
DVspotlight_direction(const DVspotlight_direction&)
const DVspotlight_direction& operator=(const DVspotlight_direction&)
const DVspotlight_direction& operator=(const DVsimple_point&)
int operator==(const DVspotlight_direction&) const
int operator!=(const DVspotlight_direction&) const
void set_data( const float x_val=+0.0, const float y_val=+0.0, const float z_val=-1.0 )
void set_data(const DVspotlight_direction&)
void set_data(const DVsimple_point&)
void get_data(float&, float&, float&) const
void get_data(DVspotlight_direction&) const
void get_data(DVsimple_point&) const
float& operator[](const int)
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