Instance Property


The angle, in degrees, of the area fully lit by a spotlight. Animatable.


@property(nonatomic) CGFloat spotInnerAngle;


You define the cone-shaped illuminated area of a spotlight with a position and direction (from the node containing the light) and an angle specifying the cone’s width. Additionally, the illuminated area can smoothly transition from full illumination to no illumination. This property determines the width of the fully illuminated area.

The default value is 0.0, specifying that only the center of the area illuminated by the spotlight is lit at full intensity.

You can animate changes to this property’s value. See Animating SceneKit Content.

See Also

Managing Spotlight Extent


The angle, in degrees, of the area partially lit by a spotlight. Animatable.


An image or other visual content affecting the shape and color of a light’s illuminated area.