The maximum radius (in pixels) of the geometry’s bounding sphere 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 radius in pixels of the circle covered by a geometry’s bounding sphere, then renders the geometry for the
SCNLevel object with the smallest
radius parameter larger than that circle.