};
private:
- enum ParameterMask
- {
- DIFFUSE = 1,
- SPECULAR = 2,
- POSITION = 4,
- SPOT_DIR = 8,
- SPOT_EXP = 16,
- SPOT_CUTOFF = 32,
- ATTENUATION = 64
- };
-
Color diffuse;
Color specular;
Vector4 position;
public:
Light();
- ~Light();
private:
- void update_parameter(int, int = -1) const;
void update_matrix();
public:
/** Sets the angular falloff exponent of the spotlight. Must be >= 0. */
void set_spot_exponent(float);
- /// Deprecated.
- void set_spot_cutoff(float);
-
/** Sets the cutoff angle of a spotlight. Beyond this angle from its axis
the spotlight provides no illumination. Must be between 0 and 90 degrees,
or exactly 180 degrees to indicate a non-spotlight. */
/** Updates a ProgramData object with the uniforms for the Light. A view
matrix and light source index must be passed in. */
void update_shader_data(ProgramData &, const Matrix &, unsigned) const;
-
- void bind() const { return bind_to(0); }
- void bind_to(unsigned) const;
-
- static const Light *current(unsigned = 0);
- static void unbind() { return unbind_from(0); }
- static void unbind_from(unsigned);
};
} // namespace GL