irradiance(atPoint:colorSpace:)
Returns the radiance of the light as received at a specific point in the same scene, expressed using the specified color space.
Declaration
func irradiance(atPoint point: vector_float3, colorSpace: CGColorSpace) -> Unmanaged<CGColor>Parameters
- point:
A point in the same world coordinate space as the light.
- colorSpace:
The color space in which to interpret the light’s color.
Return Value
The color and intensity of the light’s effect on the specified point.