Object3D →

SpotLightHelper

This displays a cone shaped helper object for a SpotLight.

Code Example


    const spotLight = new v3d.SpotLight(0xffffff);
    spotLight.position.set(10, 10, 10);
    scene.add(spotLight);

    const spotLightHelper = new v3d.SpotLightHelper(spotLight);
    scene.add(spotLightHelper);

Examples

WebGL/ lights / spotlights

Constructor

SpotLightHelper(light : SpotLight, color : Color | Integer | String)

light — The SpotLight to be visualized.
color — (optional) if this is not the set the helper will take the color of the light.

Properties

See the base Object3D class for common properties.

# .cone : LineSegments

LineSegments used to visualize the light.

# .light : SpotLight

Reference to the SpotLight being visualized.

# .matrix : Object

Reference to the spotLight's matrixWorld.

# .matrixAutoUpdate : Object

See Object3D.matrixAutoUpdate. Set to false here as the helper is using the spotLight's matrixWorld.

# .color : Color

The color parameter passed in the constructor. Default is undefined. If this is changed, the helper's color will update the next time update is called.

Methods

See the base Object3D class for common 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 light helper.

Source

For more info on how to obtain the source code of this module see this page.