import { LightsNode } from '../../nodes/Nodes.js'; import ChainMap from './ChainMap.js'; const _defaultLights = /*@__PURE__*/ new LightsNode(); class Lighting extends ChainMap { constructor() { super(); } createNode( lights = [] ) { return new LightsNode().setLights( lights ); } getNode( scene, camera ) { // ignore post-processing if ( scene.isQuadMesh ) return _defaultLights; // tiled lighting const keys = [ scene, camera ]; let node = this.get( keys ); if ( node === undefined ) { node = this.createNode(); this.set( keys, node ); } return node; } } export default Lighting;