zNear
The camera’s near depth limit. Animatable.
Declaration
var zNear: Double { get set }Discussion
The near value determines the minimal distance between the camera and a visible surface. If a surface is closer to the camera than this distance, the surface is clipped and does not appear. The near value must not be zero. The default near value is 1.0.
You can animate changes to this property’s value. See Animating SceneKit Content.