This helper displays the directional cone of a [page:PositionalAudio].
const positionalAudio = new THREE.PositionalAudio( listener );
positionalAudio.setDirectionalCone( 180, 230, 0.1 );
const helper = new PositionalAudioHelper( positionalAudio );
positionalAudio.add( helper );
[page:PositionalAudio audio] -- The [page:PositionalAudio] to be visualized.
[page:Number range] -- (optional) The range of the directional cone.
[page:Number divisionsInnerAngle] -- (optional) The amount of divisions of the inner part of the directional cone.
[page:Number divisionsOuterAngle] -- (optional) The amount of divisions of the outer part of the directional cone.
See the base [page:Object3D] class for common properties.
[page:PositionalAudio] to be visualized.
The range of the directional cone.
The amount of divisions of the inner part of the directional cone.
The amount of divisions of the outer part of the directional cone.
See the base [page:Object3D] class for common methods.
Disposes of the helper.
Updates the helper.
[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/helpers/PositionalAudioHelper.js examples/jsm/helpers/PositionalAudioHelper.js]