import * as THREE from "three" ; internal hidden export class LodMesh extends THREE . Mesh { private m_geometries : THREE . BufferGeometry [ ] | undefined ; param geometries param material constructor ( geometries ? , material ? ) { super ( undefined , material ) ; this . geometries = geometries ; } /**
     * Update geometries of mesh
     */ set geometries ( geometries ) { if ( this . m_geometries !== geometries ) { this . disposeGeometries ( ) ; } this . m_geometries = geometries ; if ( this . geometries && this . m_geometries ! . length > 0 ) { this . geometry = this . m_geometries ! [ 0 ] ; } } /**
     * Get geometries of mesh
     */ get geometries ( ) { return this . m_geometries ; } param level setLevelOfDetail ( level ) { if ( ! this . m_geometries || this . m_geometries . length === 0 ) { return ; } level = THREE . MathUtils . clamp ( level , 0 , this . m_geometries . length - 1 ) ; this . geometry = this . m_geometries [ level ] ; } /**
     * Dispose all geometries of mesh
     */ private disposeGeometries ( ) { if ( this . m_geometries ) { for ( const geometry of this . m_geometries ! ) { geometry . dispose ( ) ; } } this . geometry . dispose ( ) ; } }