Points and vectors using homogeneous coordinates.
Header file for V-ART class "SpotLight".
Point4D GetDirection(void)
void SetCutOffAngle(float coa)
SpotLight(Point4D a, float bw, float coa, Point4D l, Point4D d, float r)
void SetAttenuation(Point4D a)
void SetBeamWidth(float bw)
void SetDirection(Point4D d)
Point4D GetAttenuation(void)
float GetCutOffAngle(void)