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

Inheritance: EventDispatcher → Object3D →

SpotLightHelper

This displays a cone shaped helper object for a SpotLight.

When the spot light or its target are transformed or light properties are changed, it's necessary to call the update() method of the respective helper.

Code Example

const spotLight = new THREE.SpotLight( 0xffffff );
spotLight.position.set( 10, 10, 10 );
scene.add( spotLight );
const spotLightHelper = new THREE.SpotLightHelper( spotLight );
scene.add( spotLightHelper );

Constructor

new SpotLightHelper( light : HemisphereLight, color : number | Color | string )

Constructs a new spot light helper.

light

The light to be visualized.

color

The helper's color. If not set, the helper will take the color of the light.

Properties

.color : number | Color | string

The color parameter passed in the constructor. If not set, the helper will take the color of the light.

.light : SpotLight

The light being visualized.

Methods

.dispose()

Frees the GPU-related resources allocated by this instance. Call this method whenever this instance is no longer used in your app.

.update()

Updates the helper to match the position and direction of the light being visualized.

Source

src/helpers/SpotLightHelper.js