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title: IESSpotLightNode category: Core layout: docs

IESSpotLightNode

An IES version of the default spot light node.

Constructor

new IESSpotLightNode()

Methods

.getSpotAttenuation( builder : NodeBuilder, angleCosine : Node.<float> ) : Node.<float>

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

builder | The node builder.
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angleCosine | The angle to compute the spot attenuation for.

Overrides: SpotLightNode#getSpotAttenuation

Returns: The spot attenuation.

Source

src/nodes/lighting/IESSpotLightNode.js