@pnext/three-loader/src/loading2/octree-geometry.ts

Potree loader for ThreeJS, converted and adapted to Typescript.

import { Box3, Sphere, Vector3 } from 'three';
import { OctreeGeometryNode } from './octree-geometry-node';
import { Metadata, NodeLoader } from './octree-loader';
import { PointAttributes } from './point-attributes';

export class OctreeGeometry {
  boundingSphere: Sphere;
  tightBoundingBox: Box3;
  tightBoundingSphere: Sphere;
  maxNumNodesLoading: number = 3;
  numNodesLoading: number = 0;
  needsUpdate: boolean = true;
  disposed: boolean = false;
  offset!: Vector3;
  pointAttributes: PointAttributes | null = null;
  projection?: Metadata['projection'];
  root!: OctreeGeometryNode;
  scale!: [number, number, number];
  spacing: number = 0;
  url: string | null = null;

  constructor(
    public loader: NodeLoader,
    public boundingBox: Box3,
  ) {
    this.tightBoundingBox = this.boundingBox.clone();
    this.boundingSphere = this.boundingBox.getBoundingSphere(new Sphere());
    this.tightBoundingSphere = this.boundingSphere.clone();
  }

  dispose(): void {
    this.root.traverse((node) => node.dispose());
    this.disposed = true;
  }
}