The minimum distance from the current point of view for this level of detail to appear.
- iOS 8.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 3.0+
When rendering a geometry with associated levels of detail, SceneKit calculates the distance from the current point of view to the geometry’s parent node, then renders the geometry for the
SCNLevel object with the largest
distance parameter less than that distance.