@pnext/three-loader/src/point-cloud-octree-geometry.ts

Potree loader for ThreeJS, converted and adapted to Typescript.

import { Box3, Vector3 } from 'three';
import { BinaryLoader, XhrRequest } from './loading';
import { PointAttributes } from './point-attributes';
import { PointCloudOctreeGeometryNode } from './point-cloud-octree-geometry-node';

export class PointCloudOctreeGeometry {
  disposed: boolean = false;
  needsUpdate: boolean = true;
  root!: PointCloudOctreeGeometryNode;
  octreeDir: string = '';
  hierarchyStepSize: number = -1;
  nodes: Record<string, PointCloudOctreeGeometryNode> = {};
  numNodesLoading: number = 0;
  maxNumNodesLoading: number = 3;
  spacing: number = 0;
  pointAttributes: PointAttributes = new PointAttributes([]);
  projection: any = null;
  url: string | null = null;

  constructor(
    public loader: BinaryLoader,
    public boundingBox: Box3,
    public tightBoundingBox: Box3,
    public offset: Vector3,
    public xhrRequest: XhrRequest,
  ) {}

  dispose(): void {
    this.loader.dispose();
    this.root.traverse((node) => node.dispose());

    this.disposed = true;
  }

  addNodeLoadedCallback(callback: (node: PointCloudOctreeGeometryNode) => void): void {
    this.loader.callbacks.push(callback);
  }

  clearNodeLoadedCallbacks(): void {
    this.loader.callbacks = [];
  }
}