[page:Object3D] →

[name]

Helper object to assist with visualizing a [page:DirectionalLight]'s effect on the scene. This consists of plane and a line representing the light's position and direction.

Example


		var light = new THREE.DirectionalLight( 0xFFFFFF );

		var helper = new THREE.DirectionalLightHelper( light, 5 );

		scene.add( helper );

Constructor

[name]( [page:DirectionalLight light], [page:Number size] )

[page:DirectionalLight light]-- The light to be visualized.
[page:Number size] -- (optional) dimensions of the plane. Default is *1*.

Properties

See the base [page:Object3D] class for common properties.

[property:Line lightPlane]

Contains the line mesh showing the location of the directional light.

[property:DirectionalLight light]

Reference to the [page:DirectionalLight directionalLight] being visualized.

[property:object matrix]

Reference to the light's [page:Object3D.matrixWorld matrixWorld].

[property:object matrixAutoUpdate]

See [page:Object3D.matrixAutoUpdate]. Set to *false* here as the helper is using the light's [page:Object3D.matrixWorld matrixWorld].

Methods

See the base [page:Object3D] class for common properties.

[method:null dispose]()

Dispose of the directionalLightHelper.

[method:null update]()

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

Source

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