Returns the radiance of the light as received at a specific point in the same scene.
- iOS 9.0+
- macOS 10.11+
- tvOS 9.0+
- Mac Catalyst 13.0+Beta
- Model I/O
A point in the same world coordinate space as the light.
The color and intensity of the light’s effect on the specified point.
Calling this method is equivalent to calling the
irradiance(at method and passing the Rec. 709 color space. (See