Instance Property


A factor that influences the color of the simulated sky.


var upperAtmosphereScattering: Float { get set }


This value affects the intensity of sunlight and the color of the sky. A value of 0.0 produces muted, dusky colors, and a value of 1.0 produces saturated, noon-like sky colors.

See Also

Working with Sky Simulation Parameters

var turbidity: Float

The cloudiness or haziness of the simulated sky.

var sunElevation: Float

The sun’s position in the simulated sky.

var groundAlbedo: Float

A factor that influences the clarity of the simulated sky.

var groundColor: CGColor?

The color of the simulated ground.

var horizonElevation: Float

The angle, in radians relative to center, below which to render the ground color.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software