import { Plane } from './Plane';
import { Matrix4 } from './Matrix4';
import { Object3D } from './../core/Object3D';
import { Sprite } from './../objects/Sprite';
import { Sphere } from './Sphere';
import { Box3 } from './Box3';
import { Vector3 } from './Vector3';

/**
 * Frustums are used to determine what is inside the camera's field of view. They help speed up the rendering process.
 */
export class Frustum {
  constructor(
    p0?: Plane,
    p1?: Plane,
    p2?: Plane,
    p3?: Plane,
    p4?: Plane,
    p5?: Plane
  );

  /**
   * Array of 6 vectors.
   */
  planes: Plane[];

  set(
    p0?: number,
    p1?: number,
    p2?: number,
    p3?: number,
    p4?: number,
    p5?: number
  ): Frustum;
  clone(): this;
  copy(frustum: Frustum): this;
  setFromMatrix(m: Matrix4): Frustum;
  intersectsObject(object: Object3D): boolean;
  intersectsObject(sprite: Sprite): boolean;
  intersectsSphere(sphere: Sphere): boolean;
  intersectsBox(box: Box3): boolean;
  containsPoint(point: Vector3): boolean;
}