[page:Object3D] →

# [name]

Creates a visual aid for a [page:HemisphereLight HemisphereLight].

## Constructor

### [name]([page:HemisphereLight light], [page:Number sphereSize])

light -- The HemisphereLight.
sphereSize -- The size of the sphere that shows the location.
Creates an helper for the hemispherelight.

## Properties

### [property:Mesh lightSphere]

The sphere mesh that shows the location of the hemispherelight.

### [property:HemisphereLight light]

Contains the HemisphereLight.

## Methods

### [method:null update]()

Updates the helper to match the position and direction of the [page:.light].

## Source

[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]