class HT_Ambient

class HT_Ambient_Light

Defines an ambient light object and its behavior.

Ambient, background or area lighting, similar to fluorescent ceiling lighting, is described by a polygon emitting parallel rays.

class HT_Ambient_Light : public HT_Light {
    HANDLE_CLASS_BASIC_FUNCTIONS (HT_Ambient_Light, HT_Ambient_Light_Data);

    public:
        HTK_LIGHT_API HT_Ambient_Light ();

See Also

HT_Filter, HT_Light, HT_Spot_Light, HT_Point_Light, HT_Distant_Light, HT_Ambient_Light, HT_Lighting_Info,

and chapter 8, "Lighting and Material Functions"

Details

Class HT_Lighting_Info returns the result of illumination information, basically color and direction for ambient light. illuminate determines how much light is contributed to that part of the object that is illuminated, whereas position is the coordinate point of the illuminated object.

HTK_LIGHT_API virtual HT_Lighting_Info
    illuminate (HT_Rendition const *    hr,
                HT_Vector const *       normal,
                HT_Point const *        position,
                HT_Parameter const *    parameter) const;