@polygonjs/polygonjs/dist/src/engine/nodes/post/utils/SelectionController.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
export class SelectionController {
  constructor() {
    this._map = /* @__PURE__ */ new Map();
    this._resolvedObjects = [];
  }
  updateSelection(scene, objectsMask, selection) {
    const foundObjects = scene.objectsByMask(objectsMask);
    this._map.clear();
    for (const object of foundObjects) {
      this._map.set(object.uuid, object);
    }
    const isAncestorNotInList = (object) => {
      let isAncestorInList = false;
      object.traverseAncestors((ancestor) => {
        if (this._map.has(ancestor.uuid)) {
          isAncestorInList = true;
        }
      });
      return !isAncestorInList;
    };
    this._resolvedObjects = foundObjects.filter(isAncestorNotInList);
    selection.clear();
    for (const object of this._resolvedObjects) {
      selection.add(object);
    }
  }
}