- /** Sets the color of the sky at zenith. Has no effect without shaders. */
- void set_sky_color(const Color &);
-
- /** Sets the direction of the zenith. Defaults to positive Z axis. Has no
- effect without shaders. */
- void set_zenith_direction(const Vector3 &);
-
- /** Sets the angle where skylight cuts off, counted from the true horizon.
- Has no effect without shaders. */
- void set_horizon_angle(const Geometry::Angle<float> &);
-