import {
  Box3Helper,
  BufferGeometry,
  Group,
  LineBasicMaterial,
  LineSegments,
  Mesh,
  MeshBasicMaterial,
  PlaneGeometry,
} from 'three'

import { CSM } from './CSM'

export class CSMHelper<TCSM extends CSM = CSM> extends Group {
  constructor(csm: TCSM)
  csm: TCSM
  displayFrustum: boolean
  displayPlanes: boolean
  displayShadowBounds: boolean
  frustumLines: LineSegments<BufferGeometry, LineBasicMaterial>
  cascadeLines: Box3Helper[]
  cascadePlanes: Array<Mesh<PlaneGeometry, MeshBasicMaterial>>
  shadowLines: Box3Helper[]
  updateVisibility(): void
  update(): void
}