The radius, in pixels, for the blurring portion of the bloom effect applied to highlights in the rendered scene. Animatable.
- iOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 10.0+
- watchOS 3.0+
A bloom effect adds a soft glow to highlights (areas of bright color) in the rendered scene, simulating the way bright highlights appear to the human eye or a physical camera in a real-world scene. The bloom effect combines selective brightening and blurring effects; this property controls the blur portion of the effect. A value of zero effectively disables the bloom effect, and higher values result in a broader, softer glow. The default value is
You can animate changes to this property’s value. See Animating SceneKit Content.
To enable this behavior, you must first enable the