---

title: RectAreaLightNode category: Core layout: docs

RectAreaLightNode

Module for representing rect area lights as nodes.

Constructor

new RectAreaLightNode( light : RectAreaLight )

Constructs a new rect area light node.

light | The rect area light source. Default is null.
---|---

Properties

.halfHeight : UniformNode.<vec3>

Uniform node representing the half height of the are light.

.halfWidth : UniformNode.<vec3>

Uniform node representing the half width of the are light.

.updateType : string

The updateType is set to NodeUpdateType.RENDER since the light relies on viewMatrix which might vary per render call.

Default is 'render'.

Overrides: AnalyticLightNode#updateType

Methods

.update( frame : NodeFrame )

Overwritten to updated rect area light specific uniforms.

frame | A reference to the current node frame.
---|---

Overrides: AnalyticLightNode#update

Static Methods

.setLTC( ltc : RectAreaLightTexturesLib )

Used to configure the internal BRDF approximation texture data.

ltc | The BRDF approximation texture data.
---|---

Source

src/nodes/lighting/RectAreaLightNode.js