three.js/docs/pages/IESSpotLightNode.html.md

Inheritance: EventDispatcher → Node → LightingNode → AnalyticLightNode → SpotLightNode →

IESSpotLightNode

An IES version of the default spot light node.

Constructor

new IESSpotLightNode( light : SpotLight )

Constructs a new IES spot light node.

light

The spot light source.

Default is null.

Properties

._iesTextureNode : TextureNode

The texture node representing the IES texture.

Default is null.

Methods

.getSpotAttenuation( builder : NodeBuilder, angleCosine : Node. ) : Node.

Overwrites the default implementation to compute an IES conform spot attenuation.

builder

The node builder.

angleCosine

The angle to compute the spot attenuation for.

Overrides: SpotLightNode#getSpotAttenuation

Returns: The spot attenuation.

.update( frame : NodeFrame )

Overwritten to update the IES spot light texture.

frame

A reference to the current node frame.

Overrides: SpotLightNode#update

Source

src/nodes/lighting/IESSpotLightNode.js